From c3d1ea7f35bc3addeef95a2d102d660d3884cff3 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Fri, 30 Aug 2019 11:12:49 -0400
Subject: [PATCH 01/94] plugin API revamp (#1595)

---
 plugins/AutoScroll/AutoScroll.js | 14 ++++----
 plugins/MultiDrag/MultiDrag.js   | 61 ++++++++++++++++----------------
 plugins/OnSpill/OnSpill.js       |  2 +-
 plugins/README.md                | 14 ++++----
 plugins/Swap/Swap.js             | 13 +++----
 src/EventDispatcher.js           |  8 ++---
 src/PluginManager.js             | 24 +++++++------
 7 files changed, 72 insertions(+), 64 deletions(-)

diff --git a/plugins/AutoScroll/AutoScroll.js b/plugins/AutoScroll/AutoScroll.js
index 97cba2e28..3027bb351 100644
--- a/plugins/AutoScroll/AutoScroll.js
+++ b/plugins/AutoScroll/AutoScroll.js
@@ -27,7 +27,7 @@ let autoScrolls = [],
 function AutoScrollPlugin() {
 
 	function AutoScroll() {
-		this.options = {
+		this.defaults = {
 			scroll: true,
 			scrollSensitivity: 30,
 			scrollSpeed: 10,
@@ -47,7 +47,7 @@ function AutoScrollPlugin() {
 			if (this.sortable.nativeDraggable) {
 				on(document, 'dragover', this._handleAutoScroll);
 			} else {
-				if (this.sortable.options.supportPointer) {
+				if (this.options.supportPointer) {
 					on(document, 'pointermove', this._handleFallbackAutoScroll);
 				} else if (originalEvent.touches) {
 					on(document, 'touchmove', this._handleFallbackAutoScroll);
@@ -59,7 +59,7 @@ function AutoScrollPlugin() {
 
 		dragOverCompleted({ originalEvent }) {
 			// For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
-			if (!this.sortable.options.dragOverBubble && !originalEvent.rootEl) {
+			if (!this.options.dragOverBubble && !originalEvent.rootEl) {
 				this._handleAutoScroll(originalEvent);
 			}
 		},
@@ -107,7 +107,7 @@ function AutoScrollPlugin() {
 			// MACOS Safari does not have autoscroll,
 			// Firefox and Chrome are good
 			if (fallback || Edge || IE11OrLess || Safari) {
-				autoScroll(evt, this.sortable.options, elem, fallback);
+				autoScroll(evt, this.options, elem, fallback);
 
 				// Listener for pointer element change
 				let ogElemScroller = getParentAutoScrollElement(elem, true);
@@ -127,18 +127,18 @@ function AutoScrollPlugin() {
 							ogElemScroller = newElem;
 							clearAutoScrolls();
 						}
-						autoScroll(evt, this.sortable.options, newElem, fallback);
+						autoScroll(evt, this.options, newElem, fallback);
 					}, 10);
 					lastAutoScrollX = x;
 					lastAutoScrollY = y;
 				}
 			} else {
 				// if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
-				if (!this.sortable.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
+				if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
 					clearAutoScrolls();
 					return;
 				}
-				autoScroll(evt, this.sortable.options, getParentAutoScrollElement(elem, false), false);
+				autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
 			}
 		}
 	};
diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 6d88b9895..988d9a537 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -45,7 +45,7 @@ function MultiDragPlugin() {
 		on(document, 'keydown', this._checkKeyDown);
 		on(document, 'keyup', this._checkKeyUp);
 
-		this.options = {
+		this.defaults = {
 			selectedClass: 'sortable-selected',
 			multiDragKey: null,
 			setData(dataTransfer, dragEl) {
@@ -75,7 +75,7 @@ function MultiDragPlugin() {
 			this.isMultiDrag = ~multiDragElements.indexOf(dragEl);
 		},
 
-		setupClone({ sortable }) {
+		setupClone({ sortable, cancel }) {
 			if (!this.isMultiDrag) return;
 			for (let i = 0; i < multiDragElements.length; i++) {
 				multiDragClones.push(clone(multiDragElements[i]));
@@ -85,27 +85,27 @@ function MultiDragPlugin() {
 				multiDragClones[i].draggable = false;
 				multiDragClones[i].style['will-change'] = '';
 
-				toggleClass(multiDragClones[i], sortable.options.selectedClass, false);
-				multiDragElements[i] === dragEl && toggleClass(multiDragClones[i], sortable.options.chosenClass, false);
+				toggleClass(multiDragClones[i], this.options.selectedClass, false);
+				multiDragElements[i] === dragEl && toggleClass(multiDragClones[i], this.options.chosenClass, false);
 			}
 
 			sortable._hideClone();
-			return true;
+			cancel();
 		},
 
-		clone({ sortable, rootEl, dispatchSortableEvent }) {
+		clone({ sortable, rootEl, dispatchSortableEvent, cancel }) {
 			if (!this.isMultiDrag) return;
-			if (!sortable.options.removeCloneOnHide) {
+			if (!this.options.removeCloneOnHide) {
 				if (multiDragElements.length && multiDragSortable === sortable) {
 					insertMultiDragClones(true, rootEl);
 					dispatchSortableEvent('clone');
 
-					return true;
+					cancel();
 				}
 			}
 		},
 
-		showClone({ cloneNowShown, rootEl }) {
+		showClone({ cloneNowShown, rootEl, cancel }) {
 			if (!this.isMultiDrag) return;
 			insertMultiDragClones(false, rootEl);
 			multiDragClones.forEach(clone => {
@@ -114,21 +114,21 @@ function MultiDragPlugin() {
 
 			cloneNowShown();
 			clonesHidden = false;
-			return true;
+			cancel();
 		},
 
-		hideClone({ sortable, cloneNowHidden }) {
+		hideClone({ sortable, cloneNowHidden, cancel }) {
 			if (!this.isMultiDrag) return;
 			multiDragClones.forEach(clone => {
 				css(clone, 'display', 'none');
-				if (sortable.options.removeCloneOnHide && clone.parentNode) {
+				if (this.options.removeCloneOnHide && clone.parentNode) {
 					clone.parentNode.removeChild(clone);
 				}
 			});
 
 			cloneNowHidden();
 			clonesHidden = true;
-			return true;
+			cancel();
 		},
 
 		dragStartGlobal({ sortable }) {
@@ -149,7 +149,7 @@ function MultiDragPlugin() {
 
 		dragStarted({ sortable }) {
 			if (!this.isMultiDrag) return;
-			if (sortable.options.sort) {
+			if (this.options.sort) {
 				// Capture rects,
 				// hide multi drag elements (by positioning them absolute),
 				// set multi drag elements rects to dragRect,
@@ -159,7 +159,7 @@ function MultiDragPlugin() {
 
 				sortable.captureAnimationState();
 
-				if (sortable.options.animation) {
+				if (this.options.animation) {
 					multiDragElements.forEach(multiDragElement => {
 						if (multiDragElement === dragEl) return;
 						css(multiDragElement, 'position', 'absolute');
@@ -177,26 +177,27 @@ function MultiDragPlugin() {
 				}
 			}
 
-			sortable.animateAll(function() {
+			sortable.animateAll(() => {
 				folding = false;
 				initialFolding = false;
 
-				if (sortable.options.animation) {
+				if (this.options.animation) {
 					multiDragElements.forEach(multiDragElement => {
 						unsetRect(multiDragElement);
 					});
 				}
 
 				// Remove all auxiliary multidrag items from el, if sorting enabled
-				if (sortable.options.sort) {
+				if (this.options.sort) {
 					removeMultiDragElements();
 				}
 			});
 		},
 
-		dragOver({ target, completed }) {
+		dragOver({ target, completed, cancel }) {
 			if (folding && ~multiDragElements.indexOf(target)) {
-				return completed(false);
+				completed(false);
+				cancel();
 			}
 		},
 
@@ -216,12 +217,12 @@ function MultiDragPlugin() {
 					fromSortable.removeAnimationState(multiDragElement);
 				});
 				folding = false;
-				insertMultiDragElements(!sortable.options.removeCloneOnHide, rootEl);
+				insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
 			}
 		},
 
 		dragOverCompleted({ sortable, isOwner, insertion, activeSortable, parentEl, putSortable }) {
-			let options = sortable.options;
+			let options = this.options;
 			if (insertion) {
 				// Clones must be hidden before folding animation to capture dragRectAbsolute properly
 				if (isOwner) {
@@ -301,7 +302,7 @@ function MultiDragPlugin() {
 
 			if (!evt) return;
 
-			let options = sortable.options,
+			let options = this.options,
 				children = parentEl.children;
 
 			// Multi-drag selection
@@ -344,7 +345,7 @@ function MultiDragPlugin() {
 								multiDragElements.push(children[i]);
 
 								dispatchEvent({
-									sortable: sortable,
+									sortable,
 									rootEl,
 									name: 'select',
 									targetEl: children[i],
@@ -375,7 +376,7 @@ function MultiDragPlugin() {
 				// Do not "unfold" after around dragEl if reverted
 				if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
 					let dragRect = getRect(dragEl),
-						multiDragIndex = index(dragEl, ':not(.' + sortable.options.selectedClass + ')');
+						multiDragIndex = index(dragEl, ':not(.' + this.options.selectedClass + ')');
 
 					if (!initialFolding && options.animation) dragEl.thisAnimationDuration = null;
 
@@ -472,14 +473,14 @@ function MultiDragPlugin() {
 			if (multiDragSortable !== this.sortable) return;
 
 			// Only deselect if target is not item in this sortable
-			if (evt && closest(evt.target, this.sortable.options.draggable, this.sortable.el, false)) return;
+			if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return;
 
 			// Only deselect if left click
 			if (evt && evt.button !== 0) return;
 
 			while (multiDragElements.length) {
 				let el = multiDragElements[0];
-				toggleClass(el, this.sortable.options.selectedClass, false);
+				toggleClass(el, this.options.selectedClass, false);
 				multiDragElements.shift();
 				dispatchEvent({
 					sortable: this.sortable,
@@ -492,13 +493,13 @@ function MultiDragPlugin() {
 		},
 
 		_checkKeyDown(evt) {
-			if (evt.key === this.sortable.options.multiDragKey) {
+			if (evt.key === this.options.multiDragKey) {
 				this.multiDragKeyDown = true;
 			}
 		},
 
 		_checkKeyUp(evt) {
-			if (evt.key === this.sortable.options.multiDragKey) {
+			if (evt.key === this.options.multiDragKey) {
 				this.multiDragKeyDown = false;
 			}
 		}
@@ -534,7 +535,7 @@ function MultiDragPlugin() {
 				multiDragElements.splice(index, 1);
 			}
 		},
-		eventOptions() {
+		eventProperties() {
 			const oldIndicies = [],
 				newIndicies = [];
 
diff --git a/plugins/OnSpill/OnSpill.js b/plugins/OnSpill/OnSpill.js
index 7c36af97e..ebd221936 100644
--- a/plugins/OnSpill/OnSpill.js
+++ b/plugins/OnSpill/OnSpill.js
@@ -33,7 +33,7 @@ Revert.prototype = {
 		if (putSortable) {
 			putSortable.captureAnimationState();
 		}
-		let nextSibling = getChild(this.sortable.el, this.startIndex, this.sortable.options);
+		let nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
 
 		if (nextSibling) {
 			this.sortable.el.insertBefore(dragEl, nextSibling);
diff --git a/plugins/README.md b/plugins/README.md
index 0e81d4d00..c48255a40 100644
--- a/plugins/README.md
+++ b/plugins/README.md
@@ -8,6 +8,8 @@ Sortable plugins are plugins that can be directly mounted to the Sortable class.
 
 `el: HTMLElement` — The element that the sortable is being initialized on
 
+`options: Object` — The options object that the user has passed into Sortable (not merged with defaults yet)
+
 
 ## Static Properties
 The constructor function passed to `Sortable.mount` may contain several static properties and methods. The following static properties may be defined:
@@ -16,10 +18,10 @@ The constructor function passed to `Sortable.mount` may contain several static p
 The name of the option that the user will use in their sortable's options to enable the plugin. Should start with a lower case and be camel-cased. For example: `'multiDrag'`. This is also the property name that the plugin's instance will be under in a sortable instance (ex. `sortableInstance.multiDrag`).
 
 `utils: Object`
-Object containing functions that will be added to the `Sortable.utils` default object on the Sortable class.
+Object containing functions that will be added to the `Sortable.utils` static object on the Sortable class.
 
 `eventOptions(eventName: String): Function`
-A function that is called whenever Sortable fires an event. This function should return an object to be combined with the event object that Sortable will emit. The function will be called in the context of the Sortable that is firing the event (ie. the `this` keyword will be the Sortable calling the event).
+A function that is called whenever Sortable fires an event. This function should return an object to be combined with the event object that Sortable will emit. The function will be called in the context of the instance of the plugin on the Sortable that is firing the event (ie. the `this` keyword will be the plugin instance).
 
 `initializeByDefault: Boolean`
 Determines whether or not the plugin will always be initialized on every new Sortable instance. If this option is enabled, it does not mean that by default the plugin will be enabled on the Sortable - this must still be done in the options via the plugin's `pluginName`, or it can be enabled by default if your plugin specifies it's pluginName as a default option that is truthy. Since the plugin will already be initialized on every Sortable instance, it can also be enabled dynamically via `sortableInstance.option('pluginName', true)`.
@@ -51,11 +53,11 @@ Plugin.optionModifiers = {
 ``` 
 
 ## Plugin Options
-Plugins may have custom options or override the defaults of certain options. In order to do this, there must be an `options` object on the initialized plugin. This can be set in the plugin's prototype, or during the initialization of the plugin (when the `el` is available). For example:
+Plugins may have custom default options or may override the defaults of other options. In order to do this, there must be a `defaults` object on the initialized plugin. This can be set in the plugin's prototype, or during the initialization of the plugin (when the `el` is available). For example:
 
 ```js
-function myPlugin(el) {
-	this.options = {
+function myPlugin(sortable, el, options) {
+	this.defaults = {
 		color: el.style.backgroundColor
 	};
 }
@@ -67,7 +69,7 @@ Sortable.mount(myPlugin);
 ## Plugin Events
 
 ### Context
-The events will be fired in the context of their own parent object (ie. context is not changed), however the plugin instance's Sortable instance is available under `this.sortable`.
+The events will be fired in the context of their own parent object (ie. context is not changed), however the plugin instance's Sortable instance is available under `this.sortable`. Likewise, the options are available under `this.options`.
 
 ### Event List
 The following table contains details on the events that a plugin may handle in the prototype of the plugin's constructor function.
diff --git a/plugins/Swap/Swap.js b/plugins/Swap/Swap.js
index c7a026dcf..3f0feb7dc 100644
--- a/plugins/Swap/Swap.js
+++ b/plugins/Swap/Swap.js
@@ -8,7 +8,7 @@ let lastSwapEl;
 
 function SwapPlugin() {
 	function Swap() {
-		this.options = {
+		this.defaults = {
 			swapClass: 'sortable-swap-highlight'
 		};
 	}
@@ -17,10 +17,10 @@ function SwapPlugin() {
 		dragStart({ dragEl }) {
 			lastSwapEl = dragEl;
 		},
-		dragOverValid({ completed, target, onMove, activeSortable, changed }) {
+		dragOverValid({ completed, target, onMove, activeSortable, changed, cancel }) {
 			if (!activeSortable.options.swap) return;
 			let el = this.sortable.el,
-				options = this.sortable.options;
+				options = this.options;
 			if (target && target !== el) {
 				let prevSwapEl = lastSwapEl;
 				if (onMove(target) !== false) {
@@ -36,11 +36,12 @@ function SwapPlugin() {
 			}
 			changed();
 
-			return completed(true);
+			completed(true);
+			cancel();
 		},
 		drop({ activeSortable, putSortable, dragEl }) {
 			let toSortable = (putSortable || this.sortable);
-			let options = this.sortable.options;
+			let options = this.options;
 			lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
 			if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
 				if (dragEl !== lastSwapEl) {
@@ -60,7 +61,7 @@ function SwapPlugin() {
 
 	return Object.assign(Swap, {
 		pluginName: 'swap',
-		eventOptions() {
+		eventProperties() {
 			return {
 				swapItem: lastSwapEl
 			};
diff --git a/src/EventDispatcher.js b/src/EventDispatcher.js
index db0361b27..e47cb5809 100644
--- a/src/EventDispatcher.js
+++ b/src/EventDispatcher.js
@@ -8,7 +8,7 @@ export default function dispatchEvent(
 		targetEl, cloneEl, toEl, fromEl,
 		oldIndex, newIndex,
 		oldDraggableIndex, newDraggableIndex,
-		originalEvent, putSortable, eventOptions
+		originalEvent, putSortable, extraEventProperties
 	}
 ) {
 	sortable = (sortable || (rootEl && rootEl[expando]));
@@ -42,9 +42,9 @@ export default function dispatchEvent(
 	evt.originalEvent = originalEvent;
 	evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-	let allEventOptions = { ...eventOptions, ...PluginManager.getEventOptions(name, sortable) };
-	for (let option in allEventOptions) {
-		evt[option] = allEventOptions[option];
+	let allEventProperties = { ...extraEventProperties, ...PluginManager.getEventProperties(name, sortable) };
+	for (let option in allEventProperties) {
+		evt[option] = allEventProperties[option];
 	}
 
 	if (rootEl) {
diff --git a/src/PluginManager.js b/src/PluginManager.js
index 8d65904dc..623c26f62 100644
--- a/src/PluginManager.js
+++ b/src/PluginManager.js
@@ -16,6 +16,9 @@ export default {
 	},
 	pluginEvent(eventName, sortable, evt) {
 		this.eventCanceled = false;
+		evt.cancel = () => {
+			this.eventCanceled = true;
+		};
 		const eventNameGlobal = eventName + 'Global';
 		plugins.forEach(plugin => {
 			if (!sortable[plugin.pluginName]) return;
@@ -23,7 +26,7 @@ export default {
 			if (
 				sortable[plugin.pluginName][eventNameGlobal]
 			) {
-				this.eventCanceled = !!sortable[plugin.pluginName][eventNameGlobal]({ sortable, ...evt });
+				sortable[plugin.pluginName][eventNameGlobal]({ sortable, ...evt });
 			}
 
 			// Only fire plugin event if plugin is enabled in this sortable,
@@ -32,21 +35,22 @@ export default {
 				sortable.options[plugin.pluginName] &&
 				sortable[plugin.pluginName][eventName]
 			) {
-				this.eventCanceled = this.eventCanceled || !!sortable[plugin.pluginName][eventName]({ sortable, ...evt });
+				sortable[plugin.pluginName][eventName]({ sortable, ...evt });
 			}
 		});
 	},
-	initializePlugins(sortable, el, defaults) {
+	initializePlugins(sortable, el, defaults, options) {
 		plugins.forEach(plugin => {
 			const pluginName = plugin.pluginName;
 			if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
 
-			let initialized = new plugin(sortable, el);
+			let initialized = new plugin(sortable, el, sortable.options);
 			initialized.sortable = sortable;
+			initialized.options = sortable.options;
 			sortable[pluginName] = initialized;
 
 			// Add default options from plugin
-			Object.assign(defaults, initialized.options);
+			Object.assign(defaults, initialized.defaults);
 		});
 
 		for (let option in sortable.options) {
@@ -57,14 +61,14 @@ export default {
 			}
 		}
 	},
-	getEventOptions(name, sortable) {
-		let eventOptions = {};
+	getEventProperties(name, sortable) {
+		let eventProperties = {};
 		plugins.forEach(plugin => {
-			if (typeof(plugin.eventOptions) !== 'function') return;
-			Object.assign(eventOptions, plugin.eventOptions.call(sortable, name));
+			if (typeof(plugin.eventProperties) !== 'function') return;
+			Object.assign(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
 		});
 
-		return eventOptions;
+		return eventProperties;
 	},
 	modifyOption(sortable, name, value) {
 		let modifiedValue;

From 0e4eabfef572f61df7a9cc38b5f56bbbc75d11ff Mon Sep 17 00:00:00 2001
From: owen <owen23355@gmail.com>
Date: Sun, 1 Sep 2019 21:43:10 -0400
Subject: [PATCH 02/94] #1611: Remove MultiDrag events on GLOBAL destroy

---
 plugins/MultiDrag/MultiDrag.js | 2 +-
 src/Sortable.js                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 988d9a537..6faeb8a8c 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -456,7 +456,7 @@ function MultiDragPlugin() {
 			multiDragClones.length = 0;
 		},
 
-		destroy() {
+		destroyGlobal() {
 			this._deselectMultiDrag();
 			off(document, 'pointerup', this._deselectMultiDrag);
 			off(document, 'mouseup', this._deselectMultiDrag);
diff --git a/src/Sortable.js b/src/Sortable.js
index af901a538..a330a4535 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1284,7 +1284,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			evt
 		});
 
-		parentEl = dragEl.parentNode;
+		parentEl = dragEl && dragEl.parentNode;
 
 		// Get again after plugin event
 		newIndex = index(dragEl);

From 4f17fb0604a67b3be820ab59b43180474c3e0ef0 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Mon, 2 Sep 2019 19:57:11 -0400
Subject: [PATCH 03/94] #1597: Fix docs for enabling plugins

---
 plugins/MultiDrag/README.md | 2 +-
 plugins/OnSpill/README.md   | 4 ++--
 plugins/Swap/README.md      | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/plugins/MultiDrag/README.md b/plugins/MultiDrag/README.md
index 0fff69afa..a7cb4d596 100644
--- a/plugins/MultiDrag/README.md
+++ b/plugins/MultiDrag/README.md
@@ -24,7 +24,7 @@ Sortable.mount(new MultiDrag());
 
 ```js
 new Sortable(el, {
-	multiDrag: false, // Enable the plugin
+	multiDrag: true, // Enable the plugin
 	selectedClass: "sortable-selected", // Class name for selected item
 	multiDragKey: null, // Key that must be down for items to be selected
 
diff --git a/plugins/OnSpill/README.md b/plugins/OnSpill/README.md
index d852898bd..816fd19cc 100644
--- a/plugins/OnSpill/README.md
+++ b/plugins/OnSpill/README.md
@@ -28,7 +28,7 @@ This plugin, when enabled, will cause the dragged item to be reverted to it's or
 
 ```js
 new Sortable(el, {
-	revertOnSpill: false, // Enable plugin
+	revertOnSpill: true, // Enable plugin
 	// Called when item is spilled
 	onSpill: function(/**Event*/evt) {
 		evt.item // The spilled item
@@ -51,7 +51,7 @@ This plugin, when enabled, will cause the dragged item to be removed from the DO
 
 ```js
 new Sortable(el, {
-	removeOnSpill: false, // Enable plugin
+	removeOnSpill: true, // Enable plugin
 	// Called when item is spilled
 	onSpill: function(/**Event*/evt) {
 		evt.item // The spilled item
diff --git a/plugins/Swap/README.md b/plugins/Swap/README.md
index c55fe80a2..7c6e3994a 100644
--- a/plugins/Swap/README.md
+++ b/plugins/Swap/README.md
@@ -22,7 +22,7 @@ Sortable.mount(new Swap());
 
 ```js
 new Sortable(el, {
-	swap: false, // Enable swap mode
+	swap: true, // Enable swap mode
 	swapClass: "sortable-swap-highlight" // Class name for swap item (if swap mode is enabled)
 });
 ```

From 1c7847b12b52cb35a31d95b2e370c24a8a5a0712 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Fri, 6 Sep 2019 11:35:32 -0400
Subject: [PATCH 04/94] #1599: Support for transforms on ghost element

---
 README.md       |  1 +
 src/Sortable.js | 50 +++++++++++++++++++++++++++++++++++++++++--------
 src/utils.js    | 18 +++++++++++-------
 3 files changed, 54 insertions(+), 15 deletions(-)

diff --git a/README.md b/README.md
index 824fd2f05..89227a438 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ Demo: http://sortablejs.github.io/Sortable/
  * Advanced swap detection
  * Smooth animations
  * [Multi-drag](https://github.com/SortableJS/Sortable/tree/master/plugins/MultiDrag) support
+ * Support for CSS transforms
  * Built using native HTML5 drag and drop API
  * Supports
    * [Meteor](https://github.com/SortableJS/meteor-sortablejs)
diff --git a/src/Sortable.js b/src/Sortable.js
index a330a4535..54725f275 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -120,6 +120,10 @@ let dragEl,
 
 	tapEvt,
 	touchEvt,
+	lastDx,
+	lastDy,
+	tapDistanceLeft,
+	tapDistanceTop,
 
 	moved,
 
@@ -548,6 +552,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			el = _this.el,
 			options = _this.options,
 			ownerDocument = el.ownerDocument,
+			dragRect = getRect(target),
 			dragStartFn;
 
 		if (target && !dragEl && (target.parentNode === el)) {
@@ -566,6 +571,9 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 				clientY: (touch || evt).clientY
 			};
 
+			tapDistanceLeft = tapEvt.clientX - dragRect.left;
+			tapDistanceTop = tapEvt.clientY - dragRect.top;
+
 			this._lastX = (touch || evt).clientX;
 			this._lastY = (touch || evt).clientY;
 
@@ -789,8 +797,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 						+ (relativeScrollOffset ? (relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0]) : 0) / (scaleX || 1),
 				dy = ((touch.clientY - tapEvt.clientY)
 						+ fallbackOffset.y) / (scaleY || 1)
-						+ (relativeScrollOffset ? (relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1]) : 0) / (scaleY || 1),
-				translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)';
+						+ (relativeScrollOffset ? (relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1]) : 0) / (scaleY || 1);
 
 			// only set the status to dragging, when we are actually dragging
 			if (!Sortable.active && !awaitingDragStarted) {
@@ -802,12 +809,33 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 				this._onDragStart(evt, true);
 			}
 
-			touchEvt = touch;
+			if (ghostEl) {
+				if (ghostMatrix) {
+					ghostMatrix.e += dx - (lastDx || 0);
+					ghostMatrix.f += dy - (lastDy || 0);
+				} else {
+					ghostMatrix = {
+						a: 1,
+						b: 0,
+						c: 0,
+						d: 1,
+						e: dx,
+						f: dy
+					};
+				}
+
+				let cssMatrix = `matrix(${ghostMatrix.a},${ghostMatrix.b},${ghostMatrix.c},${ghostMatrix.d},${ghostMatrix.e},${ghostMatrix.f})`;
+
+				css(ghostEl, 'webkitTransform', cssMatrix);
+				css(ghostEl, 'mozTransform', cssMatrix);
+				css(ghostEl, 'msTransform', cssMatrix);
+				css(ghostEl, 'transform', cssMatrix);
 
-			css(ghostEl, 'webkitTransform', translate3d);
-			css(ghostEl, 'mozTransform', translate3d);
-			css(ghostEl, 'msTransform', translate3d);
-			css(ghostEl, 'transform', translate3d);
+				lastDx = dx;
+				lastDy = dy;
+
+				touchEvt = touch;
+			}
 
 			evt.cancelable && evt.preventDefault();
 		}
@@ -866,9 +894,13 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			css(ghostEl, 'zIndex', '100000');
 			css(ghostEl, 'pointerEvents', 'none');
 
+
 			Sortable.ghost = ghostEl;
 
 			container.appendChild(ghostEl);
+
+			// Set transform-origin
+			css(ghostEl, 'transform-origin', (tapDistanceLeft / parseInt(ghostEl.style.width) * 100) + '% ' + (tapDistanceTop / parseInt(ghostEl.style.height) * 100) + '%');
 		}
 	},
 
@@ -1476,7 +1508,9 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			el.checked = true;
 		});
 
-		savedInputChecked.length = 0;
+		savedInputChecked.length =
+		lastDx =
+		lastDy = 0;
 	},
 
 	handleEvent: function (/**Event*/evt) {
diff --git a/src/utils.js b/src/utils.js
index a2b9ec142..500fdbf73 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -109,14 +109,18 @@ function css(el, prop, val) {
 
 function matrix(el, selfOnly) {
 	let appliedTransforms = '';
-	do {
-		let transform = css(el, 'transform');
+	if (typeof(el) === 'string') {
+		appliedTransforms = el;
+	} else {
+		do {
+			let transform = css(el, 'transform');
 
-		if (transform && transform !== 'none') {
-			appliedTransforms = transform + ' ' + appliedTransforms;
-		}
-		/* jshint boss:true */
-	} while (!selfOnly && (el = el.parentNode));
+			if (transform && transform !== 'none') {
+				appliedTransforms = transform + ' ' + appliedTransforms;
+			}
+			/* jshint boss:true */
+		} while (!selfOnly && (el = el.parentNode));
+	}
 
 	const matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
 	/*jshint -W056 */

From 652eec883094d330304847e7fe29cea1e8b6598f Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Wed, 11 Sep 2019 18:40:59 -0400
Subject: [PATCH 05/94] Animation performance improvements

---
 src/Animation.js | 37 +++++++------------------------------
 src/Sortable.js  |  4 ++--
 src/utils.js     |  5 ++---
 3 files changed, 11 insertions(+), 35 deletions(-)

diff --git a/src/Animation.js b/src/Animation.js
index fe33a671c..194799147 100644
--- a/src/Animation.js
+++ b/src/Animation.js
@@ -1,4 +1,4 @@
-import { getRect, css, isScrolledPast, matrix, isRectEqual, indexOfObject } from './utils.js';
+import { getRect, css, matrix, isRectEqual, indexOfObject } from './utils.js';
 import Sortable from './Sortable.js';
 
 export default function AnimationStateManager() {
@@ -17,7 +17,7 @@ export default function AnimationStateManager() {
 					target: child,
 					rect: getRect(child)
 				});
-				let fromRect = getRect(child);
+				let fromRect = { ...animationStates[animationStates.length - 1].rect };
 
 				// If animating: compensate for current animation
 				if (child.thisAnimationDuration) {
@@ -70,29 +70,6 @@ export default function AnimationStateManager() {
 
 				target.toRect = toRect;
 
-				// If element is scrolled out of view: Do not animate
-				if (
-					(
-						isScrolledPast(target, toRect, 'bottom', 'top') ||
-						isScrolledPast(target, toRect, 'top', 'bottom') ||
-						isScrolledPast(target, toRect, 'right', 'left') ||
-						isScrolledPast(target, toRect, 'left', 'right')
-					) &&
-					(
-						isScrolledPast(target, animatingRect, 'bottom', 'top') ||
-						isScrolledPast(target, animatingRect, 'top', 'bottom') ||
-						isScrolledPast(target, animatingRect, 'right', 'left') ||
-						isScrolledPast(target, animatingRect, 'left', 'right')
-					) &&
-					(
-						isScrolledPast(target, fromRect, 'bottom', 'top') ||
-						isScrolledPast(target, fromRect, 'top', 'bottom') ||
-						isScrolledPast(target, fromRect, 'right', 'left') ||
-						isScrolledPast(target, fromRect, 'left', 'right')
-					)
-				) return;
-
-
 				if (target.thisAnimationDuration) {
 					// Could also check if animatingRect is between fromRect and toRect
 					if (
@@ -120,6 +97,7 @@ export default function AnimationStateManager() {
 					this.animate(
 						target,
 						animatingRect,
+						toRect,
 						time
 					);
 				}
@@ -151,16 +129,15 @@ export default function AnimationStateManager() {
 			animationStates = [];
 		},
 
-		animate(target, prev, duration) {
+		animate(target, currentRect, toRect, duration) {
 			if (duration) {
 				css(target, 'transition', '');
 				css(target, 'transform', '');
-				let currentRect = getRect(target),
-					elMatrix = matrix(this.el),
+				let elMatrix = matrix(this.el),
 					scaleX = elMatrix && elMatrix.a,
 					scaleY = elMatrix && elMatrix.d,
-					translateX = (prev.left - currentRect.left) / (scaleX || 1),
-					translateY = (prev.top - currentRect.top) / (scaleY || 1);
+					translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+					translateY = (currentRect.top - toRect.top) / (scaleY || 1);
 
 				target.animatingX = !!translateX;
 				target.animatingY = !!translateY;
diff --git a/src/Sortable.js b/src/Sortable.js
index 54725f275..2cf4dd1f3 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -552,10 +552,10 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			el = _this.el,
 			options = _this.options,
 			ownerDocument = el.ownerDocument,
-			dragRect = getRect(target),
 			dragStartFn;
 
 		if (target && !dragEl && (target.parentNode === el)) {
+			let dragRect = getRect(target);
 			rootEl = el;
 			dragEl = target;
 			parentEl = dragEl.parentNode;
@@ -1194,7 +1194,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 					differentLevel = dragEl.parentNode !== el,
 					differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
 					side1 = vertical ? 'top' : 'left',
-					scrolledPastTop = isScrolledPast(target, null, 'top', 'top') || isScrolledPast(dragEl, null, 'top', 'top'),
+					scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
 					scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
 
 
diff --git a/src/utils.js b/src/utils.js
index 500fdbf73..7109c973b 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -255,14 +255,13 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
- * @param  {[DOMRect]}    rect         Optional rect of `el` to use
  * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')
  * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
  * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
  */
-function isScrolledPast(el, rect, elSide, parentSide) {
+function isScrolledPast(el, elSide, parentSide) {
 	let parent = getParentAutoScrollElement(el, true),
-		elSideVal = (rect ? rect : getRect(el))[elSide];
+		elSideVal = getRect(el)[elSide];
 
 	/* jshint boss:true */
 	while (parent) {

From f75c972d3cbebce24dc59b73d440c61a8727c9a5 Mon Sep 17 00:00:00 2001
From: Pete Stuart <pete@stuartmediaworks.com>
Date: Wed, 11 Sep 2019 18:48:48 -0600
Subject: [PATCH 06/94] Fix call to animate() (#1630)

---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 2cf4dd1f3..7a8274d21 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1692,7 +1692,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			}
 
 			if (this.options.group.revertClone) {
-				this._animate(dragEl, cloneEl);
+				this.animate(dragEl, cloneEl);
 			}
 
 			css(cloneEl, 'display', '');

From a60ded8c9400661ea024e5d73d1d0fd2a072246a Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Sun, 15 Sep 2019 11:36:57 -0400
Subject: [PATCH 07/94] #1634: Fix onSpill plugins on mobile

---
 plugins/OnSpill/OnSpill.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/OnSpill/OnSpill.js b/plugins/OnSpill/OnSpill.js
index ebd221936..a81962baf 100644
--- a/plugins/OnSpill/OnSpill.js
+++ b/plugins/OnSpill/OnSpill.js
@@ -12,9 +12,9 @@ const drop = function({
 }) {
 	let toSortable = putSortable || activeSortable;
 	hideGhostForTarget();
-	let target = document.elementFromPoint(originalEvent.clientX, originalEvent.clientY);
+	let touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
+	let target = document.elementFromPoint(touch.clientX, touch.clientY);
 	unhideGhostForTarget();
-
 	if (toSortable && !toSortable.el.contains(target)) {
 		dispatchSortableEvent('spill');
 		this.onSpill({ dragEl, putSortable });

From 2e6df839008bdab8d913a294b5ec4cf36d421a38 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Sun, 15 Sep 2019 14:52:25 -0400
Subject: [PATCH 08/94] #1598: Allow selecting with SHIFT key without
 multiDragKey being down

---
 plugins/MultiDrag/MultiDrag.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 6faeb8a8c..7b2c32cda 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -323,7 +323,7 @@ function MultiDragPlugin() {
 					});
 
 					// Modifier activated, select from last to dragEl
-					if ((!options.multiDragKey || this.multiDragKeyDown) && evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
+					if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
 						let lastIndex = index(lastMultiDragSelect),
 							currentIndex = index(dragEl);
 

From 82ce396042600f03e3cc63dd6f12a4966e417cad Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Sun, 15 Sep 2019 14:54:31 -0400
Subject: [PATCH 09/94] 1.10.0

---
 Sortable.js                      | 324 +++++++++++++++++++------------
 Sortable.min.js                  |   4 +-
 modular/sortable.complete.esm.js | 324 +++++++++++++++++++------------
 modular/sortable.core.esm.js     | 324 +++++++++++++++++++------------
 modular/sortable.esm.js          | 324 +++++++++++++++++++------------
 package.json                     |   2 +-
 6 files changed, 811 insertions(+), 491 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index ec10918ed..93503ccac 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0-rc3
+ * Sortable 1.10.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -132,7 +132,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance");
   }
 
-  var version = "1.10.0-rc3";
+  var version = "1.10.0";
 
   function userAgent(pattern) {
     return !!
@@ -250,15 +250,19 @@
   function matrix(el, selfOnly) {
     var appliedTransforms = '';
 
-    do {
-      var transform = css(el, 'transform');
+    if (typeof el === 'string') {
+      appliedTransforms = el;
+    } else {
+      do {
+        var transform = css(el, 'transform');
 
-      if (transform && transform !== 'none') {
-        appliedTransforms = transform + ' ' + appliedTransforms;
-      }
-      /* jshint boss:true */
+        if (transform && transform !== 'none') {
+          appliedTransforms = transform + ' ' + appliedTransforms;
+        }
+        /* jshint boss:true */
 
-    } while (!selfOnly && (el = el.parentNode));
+      } while (!selfOnly && (el = el.parentNode));
+    }
 
     var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
     /*jshint -W056 */
@@ -373,16 +377,15 @@
   /**
    * Checks if a side of an element is scrolled past a side of its parents
    * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
-   * @param  {[DOMRect]}    rect         Optional rect of `el` to use
    * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')
    * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
    * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
    */
 
 
-  function isScrolledPast(el, rect, elSide, parentSide) {
+  function isScrolledPast(el, elSide, parentSide) {
     var parent = getParentAutoScrollElement(el, true),
-        elSideVal = (rect ? rect : getRect(el))[elSide];
+        elSideVal = getRect(el)[elSide];
     /* jshint boss:true */
 
     while (parent) {
@@ -635,7 +638,9 @@
             target: child,
             rect: getRect(child)
           });
-          var fromRect = getRect(child); // If animating: compensate for current animation
+
+          var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+
 
           if (child.thisAnimationDuration) {
             var childMatrix = matrix(child, true);
@@ -684,9 +689,7 @@
             toRect.left -= targetMatrix.e;
           }
 
-          target.toRect = toRect; // If element is scrolled out of view: Do not animate
-
-          if ((isScrolledPast(target, toRect, 'bottom', 'top') || isScrolledPast(target, toRect, 'top', 'bottom') || isScrolledPast(target, toRect, 'right', 'left') || isScrolledPast(target, toRect, 'left', 'right')) && (isScrolledPast(target, animatingRect, 'bottom', 'top') || isScrolledPast(target, animatingRect, 'top', 'bottom') || isScrolledPast(target, animatingRect, 'right', 'left') || isScrolledPast(target, animatingRect, 'left', 'right')) && (isScrolledPast(target, fromRect, 'bottom', 'top') || isScrolledPast(target, fromRect, 'top', 'bottom') || isScrolledPast(target, fromRect, 'right', 'left') || isScrolledPast(target, fromRect, 'left', 'right'))) return;
+          target.toRect = toRect;
 
           if (target.thisAnimationDuration) {
             // Could also check if animatingRect is between fromRect and toRect
@@ -706,7 +709,7 @@
               time = _this.options.animation;
             }
 
-            _this.animate(target, animatingRect, time);
+            _this.animate(target, animatingRect, toRect, time);
           }
 
           if (time) {
@@ -735,16 +738,15 @@
 
         animationStates = [];
       },
-      animate: function animate(target, prev, duration) {
+      animate: function animate(target, currentRect, toRect, duration) {
         if (duration) {
           css(target, 'transition', '');
           css(target, 'transform', '');
-          var currentRect = getRect(target),
-              elMatrix = matrix(this.el),
+          var elMatrix = matrix(this.el),
               scaleX = elMatrix && elMatrix.a,
               scaleY = elMatrix && elMatrix.d,
-              translateX = (prev.left - currentRect.left) / (scaleX || 1),
-              translateY = (prev.top - currentRect.top) / (scaleY || 1);
+              translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+              translateY = (currentRect.top - toRect.top) / (scaleY || 1);
           target.animatingX = !!translateX;
           target.animatingY = !!translateY;
           css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -792,12 +794,17 @@
       var _this = this;
 
       this.eventCanceled = false;
+
+      evt.cancel = function () {
+        _this.eventCanceled = true;
+      };
+
       var eventNameGlobal = eventName + 'Global';
       plugins.forEach(function (plugin) {
         if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
         if (sortable[plugin.pluginName][eventNameGlobal]) {
-          _this.eventCanceled = !!sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+          sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
             sortable: sortable
           }, evt));
         } // Only fire plugin event if plugin is enabled in this sortable,
@@ -805,21 +812,22 @@
 
 
         if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-          _this.eventCanceled = _this.eventCanceled || !!sortable[plugin.pluginName][eventName](_objectSpread({
+          sortable[plugin.pluginName][eventName](_objectSpread({
             sortable: sortable
           }, evt));
         }
       });
     },
-    initializePlugins: function initializePlugins(sortable, el, defaults) {
+    initializePlugins: function initializePlugins(sortable, el, defaults, options) {
       plugins.forEach(function (plugin) {
         var pluginName = plugin.pluginName;
         if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
-        var initialized = new plugin(sortable, el);
+        var initialized = new plugin(sortable, el, sortable.options);
         initialized.sortable = sortable;
+        initialized.options = sortable.options;
         sortable[pluginName] = initialized; // Add default options from plugin
 
-        _extends(defaults, initialized.options);
+        _extends(defaults, initialized.defaults);
       });
 
       for (var option in sortable.options) {
@@ -831,14 +839,14 @@
         }
       }
     },
-    getEventOptions: function getEventOptions(name, sortable) {
-      var eventOptions = {};
+    getEventProperties: function getEventProperties(name, sortable) {
+      var eventProperties = {};
       plugins.forEach(function (plugin) {
-        if (typeof plugin.eventOptions !== 'function') return;
+        if (typeof plugin.eventProperties !== 'function') return;
 
-        _extends(eventOptions, plugin.eventOptions.call(sortable, name));
+        _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
       });
-      return eventOptions;
+      return eventProperties;
     },
     modifyOption: function modifyOption(sortable, name, value) {
       var modifiedValue;
@@ -868,8 +876,9 @@
         newDraggableIndex = _ref.newDraggableIndex,
         originalEvent = _ref.originalEvent,
         putSortable = _ref.putSortable,
-        eventOptions = _ref.eventOptions;
-    sortable = sortable || rootEl[expando];
+        extraEventProperties = _ref.extraEventProperties;
+    sortable = sortable || rootEl && rootEl[expando];
+    if (!sortable) return;
     var evt,
         options = sortable.options,
         onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
@@ -895,10 +904,10 @@
     evt.originalEvent = originalEvent;
     evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-    var allEventOptions = _objectSpread({}, eventOptions, PluginManager.getEventOptions(name, sortable));
+    var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
 
-    for (var option in allEventOptions) {
-      evt[option] = allEventOptions[option];
+    for (var option in allEventProperties) {
+      evt[option] = allEventProperties[option];
     }
 
     if (rootEl) {
@@ -986,6 +995,10 @@
       sortables = [],
       tapEvt,
       touchEvt,
+      lastDx,
+      lastDy,
+      tapDistanceLeft,
+      tapDistanceTop,
       moved,
       lastTarget,
       lastDirection,
@@ -1032,7 +1045,7 @@
       return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
     }
 
-    if (child1 && firstChildCSS["float"] !== 'none') {
+    if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
       var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
       return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
     }
@@ -1286,7 +1299,7 @@
           options = this.options,
           preventOnFilter = options.preventOnFilter,
           type = evt.type,
-          touch = evt.touches && evt.touches[0],
+          touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
           target = (touch || evt).target,
           originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
           filter = options.filter;
@@ -1387,6 +1400,7 @@
           dragStartFn;
 
       if (target && !dragEl && target.parentNode === el) {
+        var dragRect = getRect(target);
         rootEl = el;
         dragEl = target;
         parentEl = dragEl.parentNode;
@@ -1399,6 +1413,8 @@
           clientX: (touch || evt).clientX,
           clientY: (touch || evt).clientY
         };
+        tapDistanceLeft = tapEvt.clientX - dragRect.left;
+        tapDistanceTop = tapEvt.clientY - dragRect.top;
         this._lastX = (touch || evt).clientX;
         this._lastY = (touch || evt).clientY;
         dragEl.style['will-change'] = 'all';
@@ -1618,8 +1634,7 @@
             scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
             relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
             dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-            dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1),
-            translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)'; // only set the status to dragging, when we are actually dragging
+            dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
 
         if (!Sortable.active && !awaitingDragStarted) {
           if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
@@ -1629,11 +1644,31 @@
           this._onDragStart(evt, true);
         }
 
-        touchEvt = touch;
-        css(ghostEl, 'webkitTransform', translate3d);
-        css(ghostEl, 'mozTransform', translate3d);
-        css(ghostEl, 'msTransform', translate3d);
-        css(ghostEl, 'transform', translate3d);
+        if (ghostEl) {
+          if (ghostMatrix) {
+            ghostMatrix.e += dx - (lastDx || 0);
+            ghostMatrix.f += dy - (lastDy || 0);
+          } else {
+            ghostMatrix = {
+              a: 1,
+              b: 0,
+              c: 0,
+              d: 1,
+              e: dx,
+              f: dy
+            };
+          }
+
+          var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
+          css(ghostEl, 'webkitTransform', cssMatrix);
+          css(ghostEl, 'mozTransform', cssMatrix);
+          css(ghostEl, 'msTransform', cssMatrix);
+          css(ghostEl, 'transform', cssMatrix);
+          lastDx = dx;
+          lastDy = dy;
+          touchEvt = touch;
+        }
+
         evt.cancelable && evt.preventDefault();
       }
     },
@@ -1681,7 +1716,9 @@
         css(ghostEl, 'zIndex', '100000');
         css(ghostEl, 'pointerEvents', 'none');
         Sortable.ghost = ghostEl;
-        container.appendChild(ghostEl);
+        container.appendChild(ghostEl); // Set transform-origin
+
+        css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
       }
     },
     _onDragStart: function _onDragStart(
@@ -1960,7 +1997,7 @@
               differentLevel = dragEl.parentNode !== el,
               differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
               side1 = vertical ? 'top' : 'left',
-              scrolledPastTop = isScrolledPast(target, null, 'top', 'top') || isScrolledPast(dragEl, null, 'top', 'top'),
+              scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
               scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
 
           if (lastTarget !== target) {
@@ -2061,7 +2098,8 @@
       newDraggableIndex = index(dragEl, options.draggable);
       pluginEvent('drop', this, {
         evt: evt
-      }); // Get again after plugin event
+      });
+      parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
 
       newIndex = index(dragEl);
       newDraggableIndex = index(dragEl, options.draggable);
@@ -2220,7 +2258,7 @@
       savedInputChecked.forEach(function (el) {
         el.checked = true;
       });
-      savedInputChecked.length = 0;
+      savedInputChecked.length = lastDx = lastDy = 0;
     },
     handleEvent: function handleEvent(
     /**Event*/
@@ -2396,7 +2434,7 @@
         }
 
         if (this.options.group.revertClone) {
-          this._animate(dragEl, cloneEl);
+          this.animate(dragEl, cloneEl);
         }
 
         css(cloneEl, 'display', '');
@@ -2548,8 +2586,8 @@
     var idx = inputs.length;
 
     while (idx--) {
-      var _el = inputs[idx];
-      _el.checked && savedInputChecked.push(_el);
+      var el = inputs[idx];
+      el.checked && savedInputChecked.push(el);
     }
   }
 
@@ -2587,11 +2625,21 @@
     detectDirection: _detectDirection,
     getChild: getChild
   };
+  /**
+   * Get the Sortable instance of an element
+   * @param  {HTMLElement} element The element
+   * @return {Sortable|undefined}         The instance of Sortable
+   */
+
+  Sortable.get = function (element) {
+    return element[expando];
+  };
   /**
    * Mount a plugin to Sortable
    * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
    */
 
+
   Sortable.mount = function () {
     for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
       plugins[_key] = arguments[_key];
@@ -2600,7 +2648,7 @@
     if (plugins[0].constructor === Array) plugins = plugins[0];
     plugins.forEach(function (plugin) {
       if (!plugin.prototype || !plugin.prototype.constructor) {
-        throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(el));
+        throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
       }
 
       if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
@@ -2632,7 +2680,7 @@
 
   function AutoScrollPlugin() {
     function AutoScroll() {
-      this.options = {
+      this.defaults = {
         scroll: true,
         scrollSensitivity: 30,
         scrollSpeed: 10,
@@ -2653,7 +2701,7 @@
         if (this.sortable.nativeDraggable) {
           on(document, 'dragover', this._handleAutoScroll);
         } else {
-          if (this.sortable.options.supportPointer) {
+          if (this.options.supportPointer) {
             on(document, 'pointermove', this._handleFallbackAutoScroll);
           } else if (originalEvent.touches) {
             on(document, 'touchmove', this._handleFallbackAutoScroll);
@@ -2666,7 +2714,7 @@
         var originalEvent = _ref2.originalEvent;
 
         // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
-        if (!this.sortable.options.dragOverBubble && !originalEvent.rootEl) {
+        if (!this.options.dragOverBubble && !originalEvent.rootEl) {
           this._handleAutoScroll(originalEvent);
         }
       },
@@ -2693,8 +2741,8 @@
       _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
         var _this = this;
 
-        var x = evt.clientX,
-            y = evt.clientY,
+        var x = (evt.touches ? evt.touches[0] : evt).clientX,
+            y = (evt.touches ? evt.touches[0] : evt).clientY,
             elem = document.elementFromPoint(x, y);
         touchEvt$1 = evt; // IE does not seem to have native autoscroll,
         // Edge's autoscroll seems too conditional,
@@ -2724,7 +2772,7 @@
           }
         } else {
           // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
-          if (!this.sortable.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
+          if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
             clearAutoScrolls();
             return;
           }
@@ -2753,7 +2801,9 @@
   var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
     // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
     if (!options.scroll) return;
-    var sens = options.scrollSensitivity,
+    var x = (evt.touches ? evt.touches[0] : evt).clientX,
+        y = (evt.touches ? evt.touches[0] : evt).clientY,
+        sens = options.scrollSensitivity,
         speed = options.scrollSpeed,
         winScroller = getWindowScrollingElement();
     var scrollThisInstance = false,
@@ -2798,8 +2848,8 @@
         canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
       }
 
-      var vx = canScrollX && (Math.abs(right - evt.clientX) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - evt.clientX) <= sens && !!scrollPosX);
-      var vy = canScrollY && (Math.abs(bottom - evt.clientY) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - evt.clientY) <= sens && !!scrollPosY);
+      var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
+      var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
 
       if (!autoScrolls[layersOut]) {
         for (var i = 0; i <= layersOut; i++) {
@@ -2858,12 +2908,16 @@
         unhideGhostForTarget = _ref.unhideGhostForTarget;
     var toSortable = putSortable || activeSortable;
     hideGhostForTarget();
-    var target = document.elementFromPoint(originalEvent.clientX, originalEvent.clientY);
+    var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
+    var target = document.elementFromPoint(touch.clientX, touch.clientY);
     unhideGhostForTarget();
 
     if (toSortable && !toSortable.el.contains(target)) {
       dispatchSortableEvent('spill');
-      this.onSpill(dragEl);
+      this.onSpill({
+        dragEl: dragEl,
+        putSortable: putSortable
+      });
     }
   };
 
@@ -2875,9 +2929,16 @@
       var oldDraggableIndex = _ref2.oldDraggableIndex;
       this.startIndex = oldDraggableIndex;
     },
-    onSpill: function onSpill(dragEl) {
+    onSpill: function onSpill(_ref3) {
+      var dragEl = _ref3.dragEl,
+          putSortable = _ref3.putSortable;
       this.sortable.captureAnimationState();
-      var nextSibling = getChild(this.sortable.el, this.startIndex, this.sortable.options);
+
+      if (putSortable) {
+        putSortable.captureAnimationState();
+      }
+
+      var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
 
       if (nextSibling) {
         this.sortable.el.insertBefore(dragEl, nextSibling);
@@ -2886,6 +2947,10 @@
       }
 
       this.sortable.animateAll();
+
+      if (putSortable) {
+        putSortable.animateAll();
+      }
     },
     drop: drop
   };
@@ -2897,10 +2962,13 @@
   function Remove() {}
 
   Remove.prototype = {
-    onSpill: function onSpill(dragEl) {
-      this.sortable.captureAnimationState();
+    onSpill: function onSpill(_ref4) {
+      var dragEl = _ref4.dragEl,
+          putSortable = _ref4.putSortable;
+      var parentSortable = putSortable || this.sortable;
+      parentSortable.captureAnimationState();
       dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
-      this.sortable.animateAll();
+      parentSortable.animateAll();
     },
     drop: drop
   };
@@ -2913,7 +2981,7 @@
 
   function SwapPlugin() {
     function Swap() {
-      this.options = {
+      this.defaults = {
         swapClass: 'sortable-swap-highlight'
       };
     }
@@ -2928,10 +2996,11 @@
             target = _ref2.target,
             onMove = _ref2.onMove,
             activeSortable = _ref2.activeSortable,
-            changed = _ref2.changed;
+            changed = _ref2.changed,
+            cancel = _ref2.cancel;
         if (!activeSortable.options.swap) return;
         var el = this.sortable.el,
-            options = this.sortable.options;
+            options = this.options;
 
         if (target && target !== el) {
           var prevSwapEl = lastSwapEl;
@@ -2949,14 +3018,15 @@
         }
 
         changed();
-        return completed(true);
+        completed(true);
+        cancel();
       },
       drop: function drop(_ref3) {
         var activeSortable = _ref3.activeSortable,
             putSortable = _ref3.putSortable,
             dragEl = _ref3.dragEl;
         var toSortable = putSortable || this.sortable;
-        var options = this.sortable.options;
+        var options = this.options;
         lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
 
         if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
@@ -2975,7 +3045,7 @@
     };
     return _extends(Swap, {
       pluginName: 'swap',
-      eventOptions: function eventOptions() {
+      eventProperties: function eventProperties() {
         return {
           swapItem: lastSwapEl
         };
@@ -3032,7 +3102,7 @@
 
       on(document, 'keydown', this._checkKeyDown);
       on(document, 'keyup', this._checkKeyUp);
-      this.options = {
+      this.defaults = {
         selectedClass: 'sortable-selected',
         multiDragKey: null,
         setData: function setData(dataTransfer, dragEl) {
@@ -3062,39 +3132,42 @@
         this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
       },
       setupClone: function setupClone(_ref2) {
-        var sortable = _ref2.sortable;
+        var sortable = _ref2.sortable,
+            cancel = _ref2.cancel;
         if (!this.isMultiDrag) return;
 
-        for (var _i = 0; _i < multiDragElements.length; _i++) {
-          multiDragClones.push(clone(multiDragElements[_i]));
-          multiDragClones[_i].sortableIndex = multiDragElements[_i].sortableIndex;
-          multiDragClones[_i].draggable = false;
-          multiDragClones[_i].style['will-change'] = '';
-          toggleClass(multiDragClones[_i], sortable.options.selectedClass, false);
-          multiDragElements[_i] === dragEl$1 && toggleClass(multiDragClones[_i], sortable.options.chosenClass, false);
+        for (var i = 0; i < multiDragElements.length; i++) {
+          multiDragClones.push(clone(multiDragElements[i]));
+          multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
+          multiDragClones[i].draggable = false;
+          multiDragClones[i].style['will-change'] = '';
+          toggleClass(multiDragClones[i], this.options.selectedClass, false);
+          multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
         }
 
         sortable._hideClone();
 
-        return true;
+        cancel();
       },
       clone: function clone(_ref3) {
         var sortable = _ref3.sortable,
             rootEl = _ref3.rootEl,
-            dispatchSortableEvent = _ref3.dispatchSortableEvent;
+            dispatchSortableEvent = _ref3.dispatchSortableEvent,
+            cancel = _ref3.cancel;
         if (!this.isMultiDrag) return;
 
-        if (!sortable.options.removeCloneOnHide) {
+        if (!this.options.removeCloneOnHide) {
           if (multiDragElements.length && multiDragSortable === sortable) {
             insertMultiDragClones(true, rootEl);
             dispatchSortableEvent('clone');
-            return true;
+            cancel();
           }
         }
       },
       showClone: function showClone(_ref4) {
         var cloneNowShown = _ref4.cloneNowShown,
-            rootEl = _ref4.rootEl;
+            rootEl = _ref4.rootEl,
+            cancel = _ref4.cancel;
         if (!this.isMultiDrag) return;
         insertMultiDragClones(false, rootEl);
         multiDragClones.forEach(function (clone) {
@@ -3102,22 +3175,25 @@
         });
         cloneNowShown();
         clonesHidden = false;
-        return true;
+        cancel();
       },
       hideClone: function hideClone(_ref5) {
+        var _this = this;
+
         var sortable = _ref5.sortable,
-            cloneNowHidden = _ref5.cloneNowHidden;
+            cloneNowHidden = _ref5.cloneNowHidden,
+            cancel = _ref5.cancel;
         if (!this.isMultiDrag) return;
         multiDragClones.forEach(function (clone) {
           css(clone, 'display', 'none');
 
-          if (sortable.options.removeCloneOnHide && clone.parentNode) {
+          if (_this.options.removeCloneOnHide && clone.parentNode) {
             clone.parentNode.removeChild(clone);
           }
         });
         cloneNowHidden();
         clonesHidden = true;
-        return true;
+        cancel();
       },
       dragStartGlobal: function dragStartGlobal(_ref6) {
         var sortable = _ref6.sortable;
@@ -3136,10 +3212,12 @@
         dragStarted = true;
       },
       dragStarted: function dragStarted(_ref7) {
+        var _this2 = this;
+
         var sortable = _ref7.sortable;
         if (!this.isMultiDrag) return;
 
-        if (sortable.options.sort) {
+        if (this.options.sort) {
           // Capture rects,
           // hide multi drag elements (by positioning them absolute),
           // set multi drag elements rects to dragRect,
@@ -3148,7 +3226,7 @@
           // unset rects & remove from DOM
           sortable.captureAnimationState();
 
-          if (sortable.options.animation) {
+          if (this.options.animation) {
             multiDragElements.forEach(function (multiDragElement) {
               if (multiDragElement === dragEl$1) return;
               css(multiDragElement, 'position', 'absolute');
@@ -3167,24 +3245,26 @@
           folding = false;
           initialFolding = false;
 
-          if (sortable.options.animation) {
+          if (_this2.options.animation) {
             multiDragElements.forEach(function (multiDragElement) {
               unsetRect(multiDragElement);
             });
           } // Remove all auxiliary multidrag items from el, if sorting enabled
 
 
-          if (sortable.options.sort) {
+          if (_this2.options.sort) {
             removeMultiDragElements();
           }
         });
       },
       dragOver: function dragOver(_ref8) {
         var target = _ref8.target,
-            completed = _ref8.completed;
+            completed = _ref8.completed,
+            cancel = _ref8.cancel;
 
         if (folding && ~multiDragElements.indexOf(target)) {
-          return completed(false);
+          completed(false);
+          cancel();
         }
       },
       revert: function revert(_ref9) {
@@ -3205,7 +3285,7 @@
             fromSortable.removeAnimationState(multiDragElement);
           });
           folding = false;
-          insertMultiDragElements(!sortable.options.removeCloneOnHide, rootEl);
+          insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
         }
       },
       dragOverCompleted: function dragOverCompleted(_ref10) {
@@ -3215,7 +3295,7 @@
             activeSortable = _ref10.activeSortable,
             parentEl = _ref10.parentEl,
             putSortable = _ref10.putSortable;
-        var options = sortable.options;
+        var options = this.options;
 
         if (insertion) {
           // Clones must be hidden before folding animation to capture dragRectAbsolute properly
@@ -3298,7 +3378,7 @@
             putSortable = _ref12.putSortable;
         var toSortable = putSortable || this.sortable;
         if (!evt) return;
-        var options = sortable.options,
+        var options = this.options,
             children = parentEl.children; // Multi-drag selection
 
         if (!dragStarted) {
@@ -3318,32 +3398,32 @@
               originalEvt: evt
             }); // Modifier activated, select from last to dragEl
 
-            if ((!options.multiDragKey || this.multiDragKeyDown) && evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
+            if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
               var lastIndex = index(lastMultiDragSelect),
                   currentIndex = index(dragEl$1);
 
               if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
                 // Must include lastMultiDragSelect (select it), in case modified selection from no selection
                 // (but previous selection existed)
-                var n, _i2;
+                var n, i;
 
                 if (currentIndex > lastIndex) {
-                  _i2 = lastIndex;
+                  i = lastIndex;
                   n = currentIndex;
                 } else {
-                  _i2 = currentIndex;
+                  i = currentIndex;
                   n = lastIndex + 1;
                 }
 
-                for (; _i2 < n; _i2++) {
-                  if (~multiDragElements.indexOf(children[_i2])) continue;
-                  toggleClass(children[_i2], options.selectedClass, true);
-                  multiDragElements.push(children[_i2]);
+                for (; i < n; i++) {
+                  if (~multiDragElements.indexOf(children[i])) continue;
+                  toggleClass(children[i], options.selectedClass, true);
+                  multiDragElements.push(children[i]);
                   dispatchEvent({
                     sortable: sortable,
                     rootEl: rootEl,
                     name: 'select',
-                    targetEl: children[_i2],
+                    targetEl: children[i],
                     originalEvt: evt
                   });
                 }
@@ -3444,7 +3524,7 @@
         this.isMultiDrag = dragStarted = false;
         multiDragClones.length = 0;
       },
-      destroy: function destroy() {
+      destroyGlobal: function destroyGlobal() {
         this._deselectMultiDrag();
 
         off(document, 'pointerup', this._deselectMultiDrag);
@@ -3458,13 +3538,13 @@
 
         if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
-        if (evt && closest(evt.target, this.sortable.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+        if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
 
         if (evt && evt.button !== 0) return;
 
         while (multiDragElements.length) {
           var el = multiDragElements[0];
-          toggleClass(el, this.sortable.options.selectedClass, false);
+          toggleClass(el, this.options.selectedClass, false);
           multiDragElements.shift();
           dispatchEvent({
             sortable: this.sortable,
@@ -3476,12 +3556,12 @@
         }
       },
       _checkKeyDown: function _checkKeyDown(evt) {
-        if (evt.key === this.sortable.options.multiDragKey) {
+        if (evt.key === this.options.multiDragKey) {
           this.multiDragKeyDown = true;
         }
       },
       _checkKeyUp: function _checkKeyUp(evt) {
-        if (evt.key === this.sortable.options.multiDragKey) {
+        if (evt.key === this.options.multiDragKey) {
           this.multiDragKeyDown = false;
         }
       }
@@ -3520,8 +3600,8 @@
           multiDragElements.splice(index, 1);
         }
       },
-      eventOptions: function eventOptions() {
-        var _this = this;
+      eventProperties: function eventProperties() {
+        var _this3 = this;
 
         var oldIndicies = [],
             newIndicies = [];
@@ -3536,7 +3616,7 @@
           if (folding && multiDragElement !== dragEl$1) {
             newIndex = -1;
           } else if (folding) {
-            newIndex = index(multiDragElement, ':not(.' + _this.options.selectedClass + ')');
+            newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
           } else {
             newIndex = index(multiDragElement);
           }
@@ -3570,7 +3650,7 @@
   }
 
   function insertMultiDragElements(clonesInserted, rootEl) {
-    multiDragElements.forEach(function (multiDragElement) {
+    multiDragElements.forEach(function (multiDragElement, i) {
       var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
 
       if (target) {
@@ -3588,7 +3668,7 @@
 
 
   function insertMultiDragClones(elementsInserted, rootEl) {
-    multiDragClones.forEach(function (clone) {
+    multiDragClones.forEach(function (clone, i) {
       var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
 
       if (target) {
diff --git a/Sortable.min.js b/Sortable.min.js
index bd16c4054..693054f62 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
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e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,l=t.unhideGhostForTarget,s=n||i;a();var c=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,u=document.elementFromPoint(c.clientX,c.clientY);l(),s&&!s.el.contains(u)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n}))}var $t,Jt=D(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=N(),u=!1;jt!==e&&(jt=e,Vt(),Lt=t.scroll,i=t.scrollFn,!0===Lt&&(Lt=H(e,!0)));var d=0,h=Lt;do{var f=h,p=X(f),g=p.top,v=p.bottom,m=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 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t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;ie=e},delayEnded:function(){this.isMultiDrag=~le.indexOf(ie)},setupClone:function(t){var e=t.sortable,n=t.cancel;if(this.isMultiDrag){for(var o=0;o<le.length;o++)se.push(S(le[o])),se[o].sortableIndex=le[o].sortableIndex,se[o].draggable=!1,se[o].style["will-change"]="",k(se[o],this.options.selectedClass,!1),le[o]===ie&&k(se[o],this.options.chosenClass,!1);e._hideClone(),n()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,i=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||le.length&&oe===e&&(he(!0,n),o("clone"),i()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,o=t.cancel;this.isMultiDrag&&(he(!1,n),se.forEach(function(t){R(t,"display","")}),e(),ae=!1,o())},hideClone:function(t){var 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e=t.fromSortable,n=t.rootEl,o=t.sortable,i=t.dragRect;1<le.length&&(le.forEach(function(t){o.addAnimationState({target:t,rect:ue?X(t):i}),C(t),t.fromRect=i,e.removeAnimationState(t)}),ue=!1,function(o,i){le.forEach(function(t,e){var n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}(!this.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,i=t.activeSortable,r=t.parentEl,a=t.putSortable,l=this.options;if(o){if(n&&i._hideClone(),ce=!1,l.animation&&1<le.length&&(ue||!n&&!i.options.sort&&!a)){var s=X(ie,!1,!0,!0);le.forEach(function(t){t!==ie&&(_(t,s),r.appendChild(t))}),ue=!0}if(!n)if(ue||fe(),1<le.length){var c=ae;i._showClone(e),i.options.animation&&!ae&&c&&se.forEach(function(t){i.addAnimationState({target:t,rect:re}),t.fromRect=re,t.thisAnimationDuration=null})}else i._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(le.forEach(function(t){t.thisAnimationDuration=null}),o.options.animation&&!n&&o.multiDrag.isMultiDrag){re=a({},e);var i=v(ie,!0);re.top-=i.f,re.left-=i.e}},dragOverAnimationComplete:function(){ue&&(ue=!1,fe())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=this.options,u=o.children;if(!de)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(ie,c.selectedClass,!~le.indexOf(ie)),~le.indexOf(ie))le.splice(le.indexOf(ie),1),ne=null,A({sortable:i,rootEl:n,name:"deselect",targetEl:ie,originalEvt:e});else{if(le.push(ie),A({sortable:i,rootEl:n,name:"select",targetEl:ie,originalEvt:e}),e.shiftKey&&ne&&i.el.contains(ne)){var d,h,f=F(ne),p=F(ie);if(~f&&~p&&f!==p)for(d=f<p?(h=f,p):(h=p,f+1);h<d;h++)~le.indexOf(u[h])||(k(u[h],c.selectedClass,!0),le.push(u[h]),A({sortable:i,rootEl:n,name:"select",targetEl:u[h],originalEvt:e}))}else ne=ie;oe=s}if(de&&this.isMultiDrag){if((o[j].options.sort||o!==n)&&1<le.length){var g=X(ie),v=F(ie,":not(."+this.options.selectedClass+")");if(!ce&&c.animation&&(ie.thisAnimationDuration=null),s.captureAnimationState(),!ce&&(c.animation&&(ie.fromRect=g,le.forEach(function(t){if(t.thisAnimationDuration=null,t!==ie){var e=ue?X(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}})),fe(),le.forEach(function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++}),a===F(ie))){var m=!1;le.forEach(function(t){t.sortableIndex===F(t)||(m=!0)}),m&&r("update")}le.forEach(function(t){C(t)}),s.animateAll()}oe=s}(n===o||l&&"clone"!==l.lastPutMode)&&se.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=de=!1,se.length=0},destroyGlobal:function(){this._deselectMultiDrag(),d(document,"pointerup",this._deselectMultiDrag),d(document,"mouseup",this._deselectMultiDrag),d(document,"touchend",this._deselectMultiDrag),d(document,"keydown",this._checkKeyDown),d(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!de&&oe===this.sortable&&!(t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;le.length;){var e=le[0];k(e,this.options.selectedClass,!1),le.shift(),A({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~le.indexOf(t)&&(oe&&oe!==e&&(oe.multiDrag._deselectMultiDrag(),oe=e),k(t,e.options.selectedClass,!0),le.push(t))},deselect:function(t){var e=t.parentNode[j],n=le.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),le.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return le.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=ue&&t!==ie?-1:ue?F(t,":not(."+n.options.selectedClass+")"):F(t),i.push({multiDragElement:t,index:e})}),{items:e(le),clones:[].concat(se),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),kt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index a869dd087..79a392b76 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0-rc3
+ * Sortable 1.10.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.0-rc3";
+var version = "1.10.0";
 
 function userAgent(pattern) {
   return !!
@@ -244,15 +244,19 @@ function css(el, prop, val) {
 function matrix(el, selfOnly) {
   var appliedTransforms = '';
 
-  do {
-    var transform = css(el, 'transform');
+  if (typeof el === 'string') {
+    appliedTransforms = el;
+  } else {
+    do {
+      var transform = css(el, 'transform');
 
-    if (transform && transform !== 'none') {
-      appliedTransforms = transform + ' ' + appliedTransforms;
-    }
-    /* jshint boss:true */
+      if (transform && transform !== 'none') {
+        appliedTransforms = transform + ' ' + appliedTransforms;
+      }
+      /* jshint boss:true */
 
-  } while (!selfOnly && (el = el.parentNode));
+    } while (!selfOnly && (el = el.parentNode));
+  }
 
   var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
   /*jshint -W056 */
@@ -367,16 +371,15 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
- * @param  {[DOMRect]}    rect         Optional rect of `el` to use
  * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')
  * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
  * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
  */
 
 
-function isScrolledPast(el, rect, elSide, parentSide) {
+function isScrolledPast(el, elSide, parentSide) {
   var parent = getParentAutoScrollElement(el, true),
-      elSideVal = (rect ? rect : getRect(el))[elSide];
+      elSideVal = getRect(el)[elSide];
   /* jshint boss:true */
 
   while (parent) {
@@ -629,7 +632,9 @@ function AnimationStateManager() {
           target: child,
           rect: getRect(child)
         });
-        var fromRect = getRect(child); // If animating: compensate for current animation
+
+        var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+
 
         if (child.thisAnimationDuration) {
           var childMatrix = matrix(child, true);
@@ -678,9 +683,7 @@ function AnimationStateManager() {
           toRect.left -= targetMatrix.e;
         }
 
-        target.toRect = toRect; // If element is scrolled out of view: Do not animate
-
-        if ((isScrolledPast(target, toRect, 'bottom', 'top') || isScrolledPast(target, toRect, 'top', 'bottom') || isScrolledPast(target, toRect, 'right', 'left') || isScrolledPast(target, toRect, 'left', 'right')) && (isScrolledPast(target, animatingRect, 'bottom', 'top') || isScrolledPast(target, animatingRect, 'top', 'bottom') || isScrolledPast(target, animatingRect, 'right', 'left') || isScrolledPast(target, animatingRect, 'left', 'right')) && (isScrolledPast(target, fromRect, 'bottom', 'top') || isScrolledPast(target, fromRect, 'top', 'bottom') || isScrolledPast(target, fromRect, 'right', 'left') || isScrolledPast(target, fromRect, 'left', 'right'))) return;
+        target.toRect = toRect;
 
         if (target.thisAnimationDuration) {
           // Could also check if animatingRect is between fromRect and toRect
@@ -700,7 +703,7 @@ function AnimationStateManager() {
             time = _this.options.animation;
           }
 
-          _this.animate(target, animatingRect, time);
+          _this.animate(target, animatingRect, toRect, time);
         }
 
         if (time) {
@@ -729,16 +732,15 @@ function AnimationStateManager() {
 
       animationStates = [];
     },
-    animate: function animate(target, prev, duration) {
+    animate: function animate(target, currentRect, toRect, duration) {
       if (duration) {
         css(target, 'transition', '');
         css(target, 'transform', '');
-        var currentRect = getRect(target),
-            elMatrix = matrix(this.el),
+        var elMatrix = matrix(this.el),
             scaleX = elMatrix && elMatrix.a,
             scaleY = elMatrix && elMatrix.d,
-            translateX = (prev.left - currentRect.left) / (scaleX || 1),
-            translateY = (prev.top - currentRect.top) / (scaleY || 1);
+            translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+            translateY = (currentRect.top - toRect.top) / (scaleY || 1);
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -786,12 +788,17 @@ var PluginManager = {
     var _this = this;
 
     this.eventCanceled = false;
+
+    evt.cancel = function () {
+      _this.eventCanceled = true;
+    };
+
     var eventNameGlobal = eventName + 'Global';
     plugins.forEach(function (plugin) {
       if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
       if (sortable[plugin.pluginName][eventNameGlobal]) {
-        _this.eventCanceled = !!sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+        sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
           sortable: sortable
         }, evt));
       } // Only fire plugin event if plugin is enabled in this sortable,
@@ -799,21 +806,22 @@ var PluginManager = {
 
 
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-        _this.eventCanceled = _this.eventCanceled || !!sortable[plugin.pluginName][eventName](_objectSpread({
+        sortable[plugin.pluginName][eventName](_objectSpread({
           sortable: sortable
         }, evt));
       }
     });
   },
-  initializePlugins: function initializePlugins(sortable, el, defaults) {
+  initializePlugins: function initializePlugins(sortable, el, defaults, options) {
     plugins.forEach(function (plugin) {
       var pluginName = plugin.pluginName;
       if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
-      var initialized = new plugin(sortable, el);
+      var initialized = new plugin(sortable, el, sortable.options);
       initialized.sortable = sortable;
+      initialized.options = sortable.options;
       sortable[pluginName] = initialized; // Add default options from plugin
 
-      _extends(defaults, initialized.options);
+      _extends(defaults, initialized.defaults);
     });
 
     for (var option in sortable.options) {
@@ -825,14 +833,14 @@ var PluginManager = {
       }
     }
   },
-  getEventOptions: function getEventOptions(name, sortable) {
-    var eventOptions = {};
+  getEventProperties: function getEventProperties(name, sortable) {
+    var eventProperties = {};
     plugins.forEach(function (plugin) {
-      if (typeof plugin.eventOptions !== 'function') return;
+      if (typeof plugin.eventProperties !== 'function') return;
 
-      _extends(eventOptions, plugin.eventOptions.call(sortable, name));
+      _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
     });
-    return eventOptions;
+    return eventProperties;
   },
   modifyOption: function modifyOption(sortable, name, value) {
     var modifiedValue;
@@ -862,8 +870,9 @@ function dispatchEvent(_ref) {
       newDraggableIndex = _ref.newDraggableIndex,
       originalEvent = _ref.originalEvent,
       putSortable = _ref.putSortable,
-      eventOptions = _ref.eventOptions;
-  sortable = sortable || rootEl[expando];
+      extraEventProperties = _ref.extraEventProperties;
+  sortable = sortable || rootEl && rootEl[expando];
+  if (!sortable) return;
   var evt,
       options = sortable.options,
       onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
@@ -889,10 +898,10 @@ function dispatchEvent(_ref) {
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-  var allEventOptions = _objectSpread({}, eventOptions, PluginManager.getEventOptions(name, sortable));
+  var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
 
-  for (var option in allEventOptions) {
-    evt[option] = allEventOptions[option];
+  for (var option in allEventProperties) {
+    evt[option] = allEventProperties[option];
   }
 
   if (rootEl) {
@@ -980,6 +989,10 @@ var dragEl,
     sortables = [],
     tapEvt,
     touchEvt,
+    lastDx,
+    lastDy,
+    tapDistanceLeft,
+    tapDistanceTop,
     moved,
     lastTarget,
     lastDirection,
@@ -1026,7 +1039,7 @@ supportDraggable = !ChromeForAndroid && !IOS && 'draggable' in document.createEl
     return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
   }
 
-  if (child1 && firstChildCSS["float"] !== 'none') {
+  if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
     var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
     return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
   }
@@ -1280,7 +1293,7 @@ Sortable.prototype =
         options = this.options,
         preventOnFilter = options.preventOnFilter,
         type = evt.type,
-        touch = evt.touches && evt.touches[0],
+        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
         target = (touch || evt).target,
         originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
         filter = options.filter;
@@ -1381,6 +1394,7 @@ Sortable.prototype =
         dragStartFn;
 
     if (target && !dragEl && target.parentNode === el) {
+      var dragRect = getRect(target);
       rootEl = el;
       dragEl = target;
       parentEl = dragEl.parentNode;
@@ -1393,6 +1407,8 @@ Sortable.prototype =
         clientX: (touch || evt).clientX,
         clientY: (touch || evt).clientY
       };
+      tapDistanceLeft = tapEvt.clientX - dragRect.left;
+      tapDistanceTop = tapEvt.clientY - dragRect.top;
       this._lastX = (touch || evt).clientX;
       this._lastY = (touch || evt).clientY;
       dragEl.style['will-change'] = 'all';
@@ -1612,8 +1628,7 @@ Sortable.prototype =
           scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
           relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
           dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1),
-          translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)'; // only set the status to dragging, when we are actually dragging
+          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
 
       if (!Sortable.active && !awaitingDragStarted) {
         if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
@@ -1623,11 +1638,31 @@ Sortable.prototype =
         this._onDragStart(evt, true);
       }
 
-      touchEvt = touch;
-      css(ghostEl, 'webkitTransform', translate3d);
-      css(ghostEl, 'mozTransform', translate3d);
-      css(ghostEl, 'msTransform', translate3d);
-      css(ghostEl, 'transform', translate3d);
+      if (ghostEl) {
+        if (ghostMatrix) {
+          ghostMatrix.e += dx - (lastDx || 0);
+          ghostMatrix.f += dy - (lastDy || 0);
+        } else {
+          ghostMatrix = {
+            a: 1,
+            b: 0,
+            c: 0,
+            d: 1,
+            e: dx,
+            f: dy
+          };
+        }
+
+        var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
+        css(ghostEl, 'webkitTransform', cssMatrix);
+        css(ghostEl, 'mozTransform', cssMatrix);
+        css(ghostEl, 'msTransform', cssMatrix);
+        css(ghostEl, 'transform', cssMatrix);
+        lastDx = dx;
+        lastDy = dy;
+        touchEvt = touch;
+      }
+
       evt.cancelable && evt.preventDefault();
     }
   },
@@ -1675,7 +1710,9 @@ Sortable.prototype =
       css(ghostEl, 'zIndex', '100000');
       css(ghostEl, 'pointerEvents', 'none');
       Sortable.ghost = ghostEl;
-      container.appendChild(ghostEl);
+      container.appendChild(ghostEl); // Set transform-origin
+
+      css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
     }
   },
   _onDragStart: function _onDragStart(
@@ -1954,7 +1991,7 @@ Sortable.prototype =
             differentLevel = dragEl.parentNode !== el,
             differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
             side1 = vertical ? 'top' : 'left',
-            scrolledPastTop = isScrolledPast(target, null, 'top', 'top') || isScrolledPast(dragEl, null, 'top', 'top'),
+            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
             scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
 
         if (lastTarget !== target) {
@@ -2055,7 +2092,8 @@ Sortable.prototype =
     newDraggableIndex = index(dragEl, options.draggable);
     pluginEvent('drop', this, {
       evt: evt
-    }); // Get again after plugin event
+    });
+    parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
 
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
@@ -2214,7 +2252,7 @@ Sortable.prototype =
     savedInputChecked.forEach(function (el) {
       el.checked = true;
     });
-    savedInputChecked.length = 0;
+    savedInputChecked.length = lastDx = lastDy = 0;
   },
   handleEvent: function handleEvent(
   /**Event*/
@@ -2390,7 +2428,7 @@ Sortable.prototype =
       }
 
       if (this.options.group.revertClone) {
-        this._animate(dragEl, cloneEl);
+        this.animate(dragEl, cloneEl);
       }
 
       css(cloneEl, 'display', '');
@@ -2542,8 +2580,8 @@ function _saveInputCheckedState(root) {
   var idx = inputs.length;
 
   while (idx--) {
-    var _el = inputs[idx];
-    _el.checked && savedInputChecked.push(_el);
+    var el = inputs[idx];
+    el.checked && savedInputChecked.push(el);
   }
 }
 
@@ -2581,11 +2619,21 @@ Sortable.utils = {
   detectDirection: _detectDirection,
   getChild: getChild
 };
+/**
+ * Get the Sortable instance of an element
+ * @param  {HTMLElement} element The element
+ * @return {Sortable|undefined}         The instance of Sortable
+ */
+
+Sortable.get = function (element) {
+  return element[expando];
+};
 /**
  * Mount a plugin to Sortable
  * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
  */
 
+
 Sortable.mount = function () {
   for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
     plugins[_key] = arguments[_key];
@@ -2594,7 +2642,7 @@ Sortable.mount = function () {
   if (plugins[0].constructor === Array) plugins = plugins[0];
   plugins.forEach(function (plugin) {
     if (!plugin.prototype || !plugin.prototype.constructor) {
-      throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(el));
+      throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
 
     if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
@@ -2626,7 +2674,7 @@ var autoScrolls = [],
 
 function AutoScrollPlugin() {
   function AutoScroll() {
-    this.options = {
+    this.defaults = {
       scroll: true,
       scrollSensitivity: 30,
       scrollSpeed: 10,
@@ -2647,7 +2695,7 @@ function AutoScrollPlugin() {
       if (this.sortable.nativeDraggable) {
         on(document, 'dragover', this._handleAutoScroll);
       } else {
-        if (this.sortable.options.supportPointer) {
+        if (this.options.supportPointer) {
           on(document, 'pointermove', this._handleFallbackAutoScroll);
         } else if (originalEvent.touches) {
           on(document, 'touchmove', this._handleFallbackAutoScroll);
@@ -2660,7 +2708,7 @@ function AutoScrollPlugin() {
       var originalEvent = _ref2.originalEvent;
 
       // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
-      if (!this.sortable.options.dragOverBubble && !originalEvent.rootEl) {
+      if (!this.options.dragOverBubble && !originalEvent.rootEl) {
         this._handleAutoScroll(originalEvent);
       }
     },
@@ -2687,8 +2735,8 @@ function AutoScrollPlugin() {
     _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
       var _this = this;
 
-      var x = evt.clientX,
-          y = evt.clientY,
+      var x = (evt.touches ? evt.touches[0] : evt).clientX,
+          y = (evt.touches ? evt.touches[0] : evt).clientY,
           elem = document.elementFromPoint(x, y);
       touchEvt$1 = evt; // IE does not seem to have native autoscroll,
       // Edge's autoscroll seems too conditional,
@@ -2718,7 +2766,7 @@ function AutoScrollPlugin() {
         }
       } else {
         // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
-        if (!this.sortable.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
+        if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
           clearAutoScrolls();
           return;
         }
@@ -2747,7 +2795,9 @@ function clearPointerElemChangedInterval() {
 var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
   // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
   if (!options.scroll) return;
-  var sens = options.scrollSensitivity,
+  var x = (evt.touches ? evt.touches[0] : evt).clientX,
+      y = (evt.touches ? evt.touches[0] : evt).clientY,
+      sens = options.scrollSensitivity,
       speed = options.scrollSpeed,
       winScroller = getWindowScrollingElement();
   var scrollThisInstance = false,
@@ -2792,8 +2842,8 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
     }
 
-    var vx = canScrollX && (Math.abs(right - evt.clientX) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - evt.clientX) <= sens && !!scrollPosX);
-    var vy = canScrollY && (Math.abs(bottom - evt.clientY) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - evt.clientY) <= sens && !!scrollPosY);
+    var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
+    var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
 
     if (!autoScrolls[layersOut]) {
       for (var i = 0; i <= layersOut; i++) {
@@ -2852,12 +2902,16 @@ var drop = function drop(_ref) {
       unhideGhostForTarget = _ref.unhideGhostForTarget;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
-  var target = document.elementFromPoint(originalEvent.clientX, originalEvent.clientY);
+  var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
+  var target = document.elementFromPoint(touch.clientX, touch.clientY);
   unhideGhostForTarget();
 
   if (toSortable && !toSortable.el.contains(target)) {
     dispatchSortableEvent('spill');
-    this.onSpill(dragEl);
+    this.onSpill({
+      dragEl: dragEl,
+      putSortable: putSortable
+    });
   }
 };
 
@@ -2869,9 +2923,16 @@ Revert.prototype = {
     var oldDraggableIndex = _ref2.oldDraggableIndex;
     this.startIndex = oldDraggableIndex;
   },
-  onSpill: function onSpill(dragEl) {
+  onSpill: function onSpill(_ref3) {
+    var dragEl = _ref3.dragEl,
+        putSortable = _ref3.putSortable;
     this.sortable.captureAnimationState();
-    var nextSibling = getChild(this.sortable.el, this.startIndex, this.sortable.options);
+
+    if (putSortable) {
+      putSortable.captureAnimationState();
+    }
+
+    var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
 
     if (nextSibling) {
       this.sortable.el.insertBefore(dragEl, nextSibling);
@@ -2880,6 +2941,10 @@ Revert.prototype = {
     }
 
     this.sortable.animateAll();
+
+    if (putSortable) {
+      putSortable.animateAll();
+    }
   },
   drop: drop
 };
@@ -2891,10 +2956,13 @@ _extends(Revert, {
 function Remove() {}
 
 Remove.prototype = {
-  onSpill: function onSpill(dragEl) {
-    this.sortable.captureAnimationState();
+  onSpill: function onSpill(_ref4) {
+    var dragEl = _ref4.dragEl,
+        putSortable = _ref4.putSortable;
+    var parentSortable = putSortable || this.sortable;
+    parentSortable.captureAnimationState();
     dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
-    this.sortable.animateAll();
+    parentSortable.animateAll();
   },
   drop: drop
 };
@@ -2907,7 +2975,7 @@ var lastSwapEl;
 
 function SwapPlugin() {
   function Swap() {
-    this.options = {
+    this.defaults = {
       swapClass: 'sortable-swap-highlight'
     };
   }
@@ -2922,10 +2990,11 @@ function SwapPlugin() {
           target = _ref2.target,
           onMove = _ref2.onMove,
           activeSortable = _ref2.activeSortable,
-          changed = _ref2.changed;
+          changed = _ref2.changed,
+          cancel = _ref2.cancel;
       if (!activeSortable.options.swap) return;
       var el = this.sortable.el,
-          options = this.sortable.options;
+          options = this.options;
 
       if (target && target !== el) {
         var prevSwapEl = lastSwapEl;
@@ -2943,14 +3012,15 @@ function SwapPlugin() {
       }
 
       changed();
-      return completed(true);
+      completed(true);
+      cancel();
     },
     drop: function drop(_ref3) {
       var activeSortable = _ref3.activeSortable,
           putSortable = _ref3.putSortable,
           dragEl = _ref3.dragEl;
       var toSortable = putSortable || this.sortable;
-      var options = this.sortable.options;
+      var options = this.options;
       lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
 
       if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
@@ -2969,7 +3039,7 @@ function SwapPlugin() {
   };
   return _extends(Swap, {
     pluginName: 'swap',
-    eventOptions: function eventOptions() {
+    eventProperties: function eventProperties() {
       return {
         swapItem: lastSwapEl
       };
@@ -3026,7 +3096,7 @@ function MultiDragPlugin() {
 
     on(document, 'keydown', this._checkKeyDown);
     on(document, 'keyup', this._checkKeyUp);
-    this.options = {
+    this.defaults = {
       selectedClass: 'sortable-selected',
       multiDragKey: null,
       setData: function setData(dataTransfer, dragEl) {
@@ -3056,39 +3126,42 @@ function MultiDragPlugin() {
       this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
     },
     setupClone: function setupClone(_ref2) {
-      var sortable = _ref2.sortable;
+      var sortable = _ref2.sortable,
+          cancel = _ref2.cancel;
       if (!this.isMultiDrag) return;
 
-      for (var _i = 0; _i < multiDragElements.length; _i++) {
-        multiDragClones.push(clone(multiDragElements[_i]));
-        multiDragClones[_i].sortableIndex = multiDragElements[_i].sortableIndex;
-        multiDragClones[_i].draggable = false;
-        multiDragClones[_i].style['will-change'] = '';
-        toggleClass(multiDragClones[_i], sortable.options.selectedClass, false);
-        multiDragElements[_i] === dragEl$1 && toggleClass(multiDragClones[_i], sortable.options.chosenClass, false);
+      for (var i = 0; i < multiDragElements.length; i++) {
+        multiDragClones.push(clone(multiDragElements[i]));
+        multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
+        multiDragClones[i].draggable = false;
+        multiDragClones[i].style['will-change'] = '';
+        toggleClass(multiDragClones[i], this.options.selectedClass, false);
+        multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
       }
 
       sortable._hideClone();
 
-      return true;
+      cancel();
     },
     clone: function clone(_ref3) {
       var sortable = _ref3.sortable,
           rootEl = _ref3.rootEl,
-          dispatchSortableEvent = _ref3.dispatchSortableEvent;
+          dispatchSortableEvent = _ref3.dispatchSortableEvent,
+          cancel = _ref3.cancel;
       if (!this.isMultiDrag) return;
 
-      if (!sortable.options.removeCloneOnHide) {
+      if (!this.options.removeCloneOnHide) {
         if (multiDragElements.length && multiDragSortable === sortable) {
           insertMultiDragClones(true, rootEl);
           dispatchSortableEvent('clone');
-          return true;
+          cancel();
         }
       }
     },
     showClone: function showClone(_ref4) {
       var cloneNowShown = _ref4.cloneNowShown,
-          rootEl = _ref4.rootEl;
+          rootEl = _ref4.rootEl,
+          cancel = _ref4.cancel;
       if (!this.isMultiDrag) return;
       insertMultiDragClones(false, rootEl);
       multiDragClones.forEach(function (clone) {
@@ -3096,22 +3169,25 @@ function MultiDragPlugin() {
       });
       cloneNowShown();
       clonesHidden = false;
-      return true;
+      cancel();
     },
     hideClone: function hideClone(_ref5) {
+      var _this = this;
+
       var sortable = _ref5.sortable,
-          cloneNowHidden = _ref5.cloneNowHidden;
+          cloneNowHidden = _ref5.cloneNowHidden,
+          cancel = _ref5.cancel;
       if (!this.isMultiDrag) return;
       multiDragClones.forEach(function (clone) {
         css(clone, 'display', 'none');
 
-        if (sortable.options.removeCloneOnHide && clone.parentNode) {
+        if (_this.options.removeCloneOnHide && clone.parentNode) {
           clone.parentNode.removeChild(clone);
         }
       });
       cloneNowHidden();
       clonesHidden = true;
-      return true;
+      cancel();
     },
     dragStartGlobal: function dragStartGlobal(_ref6) {
       var sortable = _ref6.sortable;
@@ -3130,10 +3206,12 @@ function MultiDragPlugin() {
       dragStarted = true;
     },
     dragStarted: function dragStarted(_ref7) {
+      var _this2 = this;
+
       var sortable = _ref7.sortable;
       if (!this.isMultiDrag) return;
 
-      if (sortable.options.sort) {
+      if (this.options.sort) {
         // Capture rects,
         // hide multi drag elements (by positioning them absolute),
         // set multi drag elements rects to dragRect,
@@ -3142,7 +3220,7 @@ function MultiDragPlugin() {
         // unset rects & remove from DOM
         sortable.captureAnimationState();
 
-        if (sortable.options.animation) {
+        if (this.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
             css(multiDragElement, 'position', 'absolute');
@@ -3161,24 +3239,26 @@ function MultiDragPlugin() {
         folding = false;
         initialFolding = false;
 
-        if (sortable.options.animation) {
+        if (_this2.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
         } // Remove all auxiliary multidrag items from el, if sorting enabled
 
 
-        if (sortable.options.sort) {
+        if (_this2.options.sort) {
           removeMultiDragElements();
         }
       });
     },
     dragOver: function dragOver(_ref8) {
       var target = _ref8.target,
-          completed = _ref8.completed;
+          completed = _ref8.completed,
+          cancel = _ref8.cancel;
 
       if (folding && ~multiDragElements.indexOf(target)) {
-        return completed(false);
+        completed(false);
+        cancel();
       }
     },
     revert: function revert(_ref9) {
@@ -3199,7 +3279,7 @@ function MultiDragPlugin() {
           fromSortable.removeAnimationState(multiDragElement);
         });
         folding = false;
-        insertMultiDragElements(!sortable.options.removeCloneOnHide, rootEl);
+        insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
       }
     },
     dragOverCompleted: function dragOverCompleted(_ref10) {
@@ -3209,7 +3289,7 @@ function MultiDragPlugin() {
           activeSortable = _ref10.activeSortable,
           parentEl = _ref10.parentEl,
           putSortable = _ref10.putSortable;
-      var options = sortable.options;
+      var options = this.options;
 
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
@@ -3292,7 +3372,7 @@ function MultiDragPlugin() {
           putSortable = _ref12.putSortable;
       var toSortable = putSortable || this.sortable;
       if (!evt) return;
-      var options = sortable.options,
+      var options = this.options,
           children = parentEl.children; // Multi-drag selection
 
       if (!dragStarted) {
@@ -3312,32 +3392,32 @@ function MultiDragPlugin() {
             originalEvt: evt
           }); // Modifier activated, select from last to dragEl
 
-          if ((!options.multiDragKey || this.multiDragKeyDown) && evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
+          if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
             var lastIndex = index(lastMultiDragSelect),
                 currentIndex = index(dragEl$1);
 
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
               // Must include lastMultiDragSelect (select it), in case modified selection from no selection
               // (but previous selection existed)
-              var n, _i2;
+              var n, i;
 
               if (currentIndex > lastIndex) {
-                _i2 = lastIndex;
+                i = lastIndex;
                 n = currentIndex;
               } else {
-                _i2 = currentIndex;
+                i = currentIndex;
                 n = lastIndex + 1;
               }
 
-              for (; _i2 < n; _i2++) {
-                if (~multiDragElements.indexOf(children[_i2])) continue;
-                toggleClass(children[_i2], options.selectedClass, true);
-                multiDragElements.push(children[_i2]);
+              for (; i < n; i++) {
+                if (~multiDragElements.indexOf(children[i])) continue;
+                toggleClass(children[i], options.selectedClass, true);
+                multiDragElements.push(children[i]);
                 dispatchEvent({
                   sortable: sortable,
                   rootEl: rootEl,
                   name: 'select',
-                  targetEl: children[_i2],
+                  targetEl: children[i],
                   originalEvt: evt
                 });
               }
@@ -3438,7 +3518,7 @@ function MultiDragPlugin() {
       this.isMultiDrag = dragStarted = false;
       multiDragClones.length = 0;
     },
-    destroy: function destroy() {
+    destroyGlobal: function destroyGlobal() {
       this._deselectMultiDrag();
 
       off(document, 'pointerup', this._deselectMultiDrag);
@@ -3452,13 +3532,13 @@ function MultiDragPlugin() {
 
       if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
-      if (evt && closest(evt.target, this.sortable.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
 
       if (evt && evt.button !== 0) return;
 
       while (multiDragElements.length) {
         var el = multiDragElements[0];
-        toggleClass(el, this.sortable.options.selectedClass, false);
+        toggleClass(el, this.options.selectedClass, false);
         multiDragElements.shift();
         dispatchEvent({
           sortable: this.sortable,
@@ -3470,12 +3550,12 @@ function MultiDragPlugin() {
       }
     },
     _checkKeyDown: function _checkKeyDown(evt) {
-      if (evt.key === this.sortable.options.multiDragKey) {
+      if (evt.key === this.options.multiDragKey) {
         this.multiDragKeyDown = true;
       }
     },
     _checkKeyUp: function _checkKeyUp(evt) {
-      if (evt.key === this.sortable.options.multiDragKey) {
+      if (evt.key === this.options.multiDragKey) {
         this.multiDragKeyDown = false;
       }
     }
@@ -3514,8 +3594,8 @@ function MultiDragPlugin() {
         multiDragElements.splice(index, 1);
       }
     },
-    eventOptions: function eventOptions() {
-      var _this = this;
+    eventProperties: function eventProperties() {
+      var _this3 = this;
 
       var oldIndicies = [],
           newIndicies = [];
@@ -3530,7 +3610,7 @@ function MultiDragPlugin() {
         if (folding && multiDragElement !== dragEl$1) {
           newIndex = -1;
         } else if (folding) {
-          newIndex = index(multiDragElement, ':not(.' + _this.options.selectedClass + ')');
+          newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
         } else {
           newIndex = index(multiDragElement);
         }
@@ -3564,7 +3644,7 @@ function MultiDragPlugin() {
 }
 
 function insertMultiDragElements(clonesInserted, rootEl) {
-  multiDragElements.forEach(function (multiDragElement) {
+  multiDragElements.forEach(function (multiDragElement, i) {
     var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
 
     if (target) {
@@ -3582,7 +3662,7 @@ function insertMultiDragElements(clonesInserted, rootEl) {
 
 
 function insertMultiDragClones(elementsInserted, rootEl) {
-  multiDragClones.forEach(function (clone) {
+  multiDragClones.forEach(function (clone, i) {
     var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
 
     if (target) {
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 1345a108f..fd4b551c0 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0-rc3
+ * Sortable 1.10.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.0-rc3";
+var version = "1.10.0";
 
 function userAgent(pattern) {
   return !!
@@ -244,15 +244,19 @@ function css(el, prop, val) {
 function matrix(el, selfOnly) {
   var appliedTransforms = '';
 
-  do {
-    var transform = css(el, 'transform');
+  if (typeof el === 'string') {
+    appliedTransforms = el;
+  } else {
+    do {
+      var transform = css(el, 'transform');
 
-    if (transform && transform !== 'none') {
-      appliedTransforms = transform + ' ' + appliedTransforms;
-    }
-    /* jshint boss:true */
+      if (transform && transform !== 'none') {
+        appliedTransforms = transform + ' ' + appliedTransforms;
+      }
+      /* jshint boss:true */
 
-  } while (!selfOnly && (el = el.parentNode));
+    } while (!selfOnly && (el = el.parentNode));
+  }
 
   var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
   /*jshint -W056 */
@@ -367,16 +371,15 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
- * @param  {[DOMRect]}    rect         Optional rect of `el` to use
  * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')
  * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
  * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
  */
 
 
-function isScrolledPast(el, rect, elSide, parentSide) {
+function isScrolledPast(el, elSide, parentSide) {
   var parent = getParentAutoScrollElement(el, true),
-      elSideVal = (rect ? rect : getRect(el))[elSide];
+      elSideVal = getRect(el)[elSide];
   /* jshint boss:true */
 
   while (parent) {
@@ -629,7 +632,9 @@ function AnimationStateManager() {
           target: child,
           rect: getRect(child)
         });
-        var fromRect = getRect(child); // If animating: compensate for current animation
+
+        var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+
 
         if (child.thisAnimationDuration) {
           var childMatrix = matrix(child, true);
@@ -678,9 +683,7 @@ function AnimationStateManager() {
           toRect.left -= targetMatrix.e;
         }
 
-        target.toRect = toRect; // If element is scrolled out of view: Do not animate
-
-        if ((isScrolledPast(target, toRect, 'bottom', 'top') || isScrolledPast(target, toRect, 'top', 'bottom') || isScrolledPast(target, toRect, 'right', 'left') || isScrolledPast(target, toRect, 'left', 'right')) && (isScrolledPast(target, animatingRect, 'bottom', 'top') || isScrolledPast(target, animatingRect, 'top', 'bottom') || isScrolledPast(target, animatingRect, 'right', 'left') || isScrolledPast(target, animatingRect, 'left', 'right')) && (isScrolledPast(target, fromRect, 'bottom', 'top') || isScrolledPast(target, fromRect, 'top', 'bottom') || isScrolledPast(target, fromRect, 'right', 'left') || isScrolledPast(target, fromRect, 'left', 'right'))) return;
+        target.toRect = toRect;
 
         if (target.thisAnimationDuration) {
           // Could also check if animatingRect is between fromRect and toRect
@@ -700,7 +703,7 @@ function AnimationStateManager() {
             time = _this.options.animation;
           }
 
-          _this.animate(target, animatingRect, time);
+          _this.animate(target, animatingRect, toRect, time);
         }
 
         if (time) {
@@ -729,16 +732,15 @@ function AnimationStateManager() {
 
       animationStates = [];
     },
-    animate: function animate(target, prev, duration) {
+    animate: function animate(target, currentRect, toRect, duration) {
       if (duration) {
         css(target, 'transition', '');
         css(target, 'transform', '');
-        var currentRect = getRect(target),
-            elMatrix = matrix(this.el),
+        var elMatrix = matrix(this.el),
             scaleX = elMatrix && elMatrix.a,
             scaleY = elMatrix && elMatrix.d,
-            translateX = (prev.left - currentRect.left) / (scaleX || 1),
-            translateY = (prev.top - currentRect.top) / (scaleY || 1);
+            translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+            translateY = (currentRect.top - toRect.top) / (scaleY || 1);
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -786,12 +788,17 @@ var PluginManager = {
     var _this = this;
 
     this.eventCanceled = false;
+
+    evt.cancel = function () {
+      _this.eventCanceled = true;
+    };
+
     var eventNameGlobal = eventName + 'Global';
     plugins.forEach(function (plugin) {
       if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
       if (sortable[plugin.pluginName][eventNameGlobal]) {
-        _this.eventCanceled = !!sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+        sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
           sortable: sortable
         }, evt));
       } // Only fire plugin event if plugin is enabled in this sortable,
@@ -799,21 +806,22 @@ var PluginManager = {
 
 
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-        _this.eventCanceled = _this.eventCanceled || !!sortable[plugin.pluginName][eventName](_objectSpread({
+        sortable[plugin.pluginName][eventName](_objectSpread({
           sortable: sortable
         }, evt));
       }
     });
   },
-  initializePlugins: function initializePlugins(sortable, el, defaults) {
+  initializePlugins: function initializePlugins(sortable, el, defaults, options) {
     plugins.forEach(function (plugin) {
       var pluginName = plugin.pluginName;
       if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
-      var initialized = new plugin(sortable, el);
+      var initialized = new plugin(sortable, el, sortable.options);
       initialized.sortable = sortable;
+      initialized.options = sortable.options;
       sortable[pluginName] = initialized; // Add default options from plugin
 
-      _extends(defaults, initialized.options);
+      _extends(defaults, initialized.defaults);
     });
 
     for (var option in sortable.options) {
@@ -825,14 +833,14 @@ var PluginManager = {
       }
     }
   },
-  getEventOptions: function getEventOptions(name, sortable) {
-    var eventOptions = {};
+  getEventProperties: function getEventProperties(name, sortable) {
+    var eventProperties = {};
     plugins.forEach(function (plugin) {
-      if (typeof plugin.eventOptions !== 'function') return;
+      if (typeof plugin.eventProperties !== 'function') return;
 
-      _extends(eventOptions, plugin.eventOptions.call(sortable, name));
+      _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
     });
-    return eventOptions;
+    return eventProperties;
   },
   modifyOption: function modifyOption(sortable, name, value) {
     var modifiedValue;
@@ -862,8 +870,9 @@ function dispatchEvent(_ref) {
       newDraggableIndex = _ref.newDraggableIndex,
       originalEvent = _ref.originalEvent,
       putSortable = _ref.putSortable,
-      eventOptions = _ref.eventOptions;
-  sortable = sortable || rootEl[expando];
+      extraEventProperties = _ref.extraEventProperties;
+  sortable = sortable || rootEl && rootEl[expando];
+  if (!sortable) return;
   var evt,
       options = sortable.options,
       onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
@@ -889,10 +898,10 @@ function dispatchEvent(_ref) {
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-  var allEventOptions = _objectSpread({}, eventOptions, PluginManager.getEventOptions(name, sortable));
+  var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
 
-  for (var option in allEventOptions) {
-    evt[option] = allEventOptions[option];
+  for (var option in allEventProperties) {
+    evt[option] = allEventProperties[option];
   }
 
   if (rootEl) {
@@ -980,6 +989,10 @@ var dragEl,
     sortables = [],
     tapEvt,
     touchEvt,
+    lastDx,
+    lastDy,
+    tapDistanceLeft,
+    tapDistanceTop,
     moved,
     lastTarget,
     lastDirection,
@@ -1026,7 +1039,7 @@ supportDraggable = !ChromeForAndroid && !IOS && 'draggable' in document.createEl
     return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
   }
 
-  if (child1 && firstChildCSS["float"] !== 'none') {
+  if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
     var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
     return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
   }
@@ -1280,7 +1293,7 @@ Sortable.prototype =
         options = this.options,
         preventOnFilter = options.preventOnFilter,
         type = evt.type,
-        touch = evt.touches && evt.touches[0],
+        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
         target = (touch || evt).target,
         originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
         filter = options.filter;
@@ -1381,6 +1394,7 @@ Sortable.prototype =
         dragStartFn;
 
     if (target && !dragEl && target.parentNode === el) {
+      var dragRect = getRect(target);
       rootEl = el;
       dragEl = target;
       parentEl = dragEl.parentNode;
@@ -1393,6 +1407,8 @@ Sortable.prototype =
         clientX: (touch || evt).clientX,
         clientY: (touch || evt).clientY
       };
+      tapDistanceLeft = tapEvt.clientX - dragRect.left;
+      tapDistanceTop = tapEvt.clientY - dragRect.top;
       this._lastX = (touch || evt).clientX;
       this._lastY = (touch || evt).clientY;
       dragEl.style['will-change'] = 'all';
@@ -1612,8 +1628,7 @@ Sortable.prototype =
           scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
           relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
           dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1),
-          translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)'; // only set the status to dragging, when we are actually dragging
+          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
 
       if (!Sortable.active && !awaitingDragStarted) {
         if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
@@ -1623,11 +1638,31 @@ Sortable.prototype =
         this._onDragStart(evt, true);
       }
 
-      touchEvt = touch;
-      css(ghostEl, 'webkitTransform', translate3d);
-      css(ghostEl, 'mozTransform', translate3d);
-      css(ghostEl, 'msTransform', translate3d);
-      css(ghostEl, 'transform', translate3d);
+      if (ghostEl) {
+        if (ghostMatrix) {
+          ghostMatrix.e += dx - (lastDx || 0);
+          ghostMatrix.f += dy - (lastDy || 0);
+        } else {
+          ghostMatrix = {
+            a: 1,
+            b: 0,
+            c: 0,
+            d: 1,
+            e: dx,
+            f: dy
+          };
+        }
+
+        var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
+        css(ghostEl, 'webkitTransform', cssMatrix);
+        css(ghostEl, 'mozTransform', cssMatrix);
+        css(ghostEl, 'msTransform', cssMatrix);
+        css(ghostEl, 'transform', cssMatrix);
+        lastDx = dx;
+        lastDy = dy;
+        touchEvt = touch;
+      }
+
       evt.cancelable && evt.preventDefault();
     }
   },
@@ -1675,7 +1710,9 @@ Sortable.prototype =
       css(ghostEl, 'zIndex', '100000');
       css(ghostEl, 'pointerEvents', 'none');
       Sortable.ghost = ghostEl;
-      container.appendChild(ghostEl);
+      container.appendChild(ghostEl); // Set transform-origin
+
+      css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
     }
   },
   _onDragStart: function _onDragStart(
@@ -1954,7 +1991,7 @@ Sortable.prototype =
             differentLevel = dragEl.parentNode !== el,
             differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
             side1 = vertical ? 'top' : 'left',
-            scrolledPastTop = isScrolledPast(target, null, 'top', 'top') || isScrolledPast(dragEl, null, 'top', 'top'),
+            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
             scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
 
         if (lastTarget !== target) {
@@ -2055,7 +2092,8 @@ Sortable.prototype =
     newDraggableIndex = index(dragEl, options.draggable);
     pluginEvent('drop', this, {
       evt: evt
-    }); // Get again after plugin event
+    });
+    parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
 
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
@@ -2214,7 +2252,7 @@ Sortable.prototype =
     savedInputChecked.forEach(function (el) {
       el.checked = true;
     });
-    savedInputChecked.length = 0;
+    savedInputChecked.length = lastDx = lastDy = 0;
   },
   handleEvent: function handleEvent(
   /**Event*/
@@ -2390,7 +2428,7 @@ Sortable.prototype =
       }
 
       if (this.options.group.revertClone) {
-        this._animate(dragEl, cloneEl);
+        this.animate(dragEl, cloneEl);
       }
 
       css(cloneEl, 'display', '');
@@ -2542,8 +2580,8 @@ function _saveInputCheckedState(root) {
   var idx = inputs.length;
 
   while (idx--) {
-    var _el = inputs[idx];
-    _el.checked && savedInputChecked.push(_el);
+    var el = inputs[idx];
+    el.checked && savedInputChecked.push(el);
   }
 }
 
@@ -2581,11 +2619,21 @@ Sortable.utils = {
   detectDirection: _detectDirection,
   getChild: getChild
 };
+/**
+ * Get the Sortable instance of an element
+ * @param  {HTMLElement} element The element
+ * @return {Sortable|undefined}         The instance of Sortable
+ */
+
+Sortable.get = function (element) {
+  return element[expando];
+};
 /**
  * Mount a plugin to Sortable
  * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
  */
 
+
 Sortable.mount = function () {
   for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
     plugins[_key] = arguments[_key];
@@ -2594,7 +2642,7 @@ Sortable.mount = function () {
   if (plugins[0].constructor === Array) plugins = plugins[0];
   plugins.forEach(function (plugin) {
     if (!plugin.prototype || !plugin.prototype.constructor) {
-      throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(el));
+      throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
 
     if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
@@ -2626,7 +2674,7 @@ var autoScrolls = [],
 
 function AutoScrollPlugin() {
   function AutoScroll() {
-    this.options = {
+    this.defaults = {
       scroll: true,
       scrollSensitivity: 30,
       scrollSpeed: 10,
@@ -2647,7 +2695,7 @@ function AutoScrollPlugin() {
       if (this.sortable.nativeDraggable) {
         on(document, 'dragover', this._handleAutoScroll);
       } else {
-        if (this.sortable.options.supportPointer) {
+        if (this.options.supportPointer) {
           on(document, 'pointermove', this._handleFallbackAutoScroll);
         } else if (originalEvent.touches) {
           on(document, 'touchmove', this._handleFallbackAutoScroll);
@@ -2660,7 +2708,7 @@ function AutoScrollPlugin() {
       var originalEvent = _ref2.originalEvent;
 
       // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
-      if (!this.sortable.options.dragOverBubble && !originalEvent.rootEl) {
+      if (!this.options.dragOverBubble && !originalEvent.rootEl) {
         this._handleAutoScroll(originalEvent);
       }
     },
@@ -2687,8 +2735,8 @@ function AutoScrollPlugin() {
     _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
       var _this = this;
 
-      var x = evt.clientX,
-          y = evt.clientY,
+      var x = (evt.touches ? evt.touches[0] : evt).clientX,
+          y = (evt.touches ? evt.touches[0] : evt).clientY,
           elem = document.elementFromPoint(x, y);
       touchEvt$1 = evt; // IE does not seem to have native autoscroll,
       // Edge's autoscroll seems too conditional,
@@ -2718,7 +2766,7 @@ function AutoScrollPlugin() {
         }
       } else {
         // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
-        if (!this.sortable.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
+        if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
           clearAutoScrolls();
           return;
         }
@@ -2747,7 +2795,9 @@ function clearPointerElemChangedInterval() {
 var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
   // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
   if (!options.scroll) return;
-  var sens = options.scrollSensitivity,
+  var x = (evt.touches ? evt.touches[0] : evt).clientX,
+      y = (evt.touches ? evt.touches[0] : evt).clientY,
+      sens = options.scrollSensitivity,
       speed = options.scrollSpeed,
       winScroller = getWindowScrollingElement();
   var scrollThisInstance = false,
@@ -2792,8 +2842,8 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
     }
 
-    var vx = canScrollX && (Math.abs(right - evt.clientX) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - evt.clientX) <= sens && !!scrollPosX);
-    var vy = canScrollY && (Math.abs(bottom - evt.clientY) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - evt.clientY) <= sens && !!scrollPosY);
+    var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
+    var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
 
     if (!autoScrolls[layersOut]) {
       for (var i = 0; i <= layersOut; i++) {
@@ -2852,12 +2902,16 @@ var drop = function drop(_ref) {
       unhideGhostForTarget = _ref.unhideGhostForTarget;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
-  var target = document.elementFromPoint(originalEvent.clientX, originalEvent.clientY);
+  var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
+  var target = document.elementFromPoint(touch.clientX, touch.clientY);
   unhideGhostForTarget();
 
   if (toSortable && !toSortable.el.contains(target)) {
     dispatchSortableEvent('spill');
-    this.onSpill(dragEl);
+    this.onSpill({
+      dragEl: dragEl,
+      putSortable: putSortable
+    });
   }
 };
 
@@ -2869,9 +2923,16 @@ Revert.prototype = {
     var oldDraggableIndex = _ref2.oldDraggableIndex;
     this.startIndex = oldDraggableIndex;
   },
-  onSpill: function onSpill(dragEl) {
+  onSpill: function onSpill(_ref3) {
+    var dragEl = _ref3.dragEl,
+        putSortable = _ref3.putSortable;
     this.sortable.captureAnimationState();
-    var nextSibling = getChild(this.sortable.el, this.startIndex, this.sortable.options);
+
+    if (putSortable) {
+      putSortable.captureAnimationState();
+    }
+
+    var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
 
     if (nextSibling) {
       this.sortable.el.insertBefore(dragEl, nextSibling);
@@ -2880,6 +2941,10 @@ Revert.prototype = {
     }
 
     this.sortable.animateAll();
+
+    if (putSortable) {
+      putSortable.animateAll();
+    }
   },
   drop: drop
 };
@@ -2891,10 +2956,13 @@ _extends(Revert, {
 function Remove() {}
 
 Remove.prototype = {
-  onSpill: function onSpill(dragEl) {
-    this.sortable.captureAnimationState();
+  onSpill: function onSpill(_ref4) {
+    var dragEl = _ref4.dragEl,
+        putSortable = _ref4.putSortable;
+    var parentSortable = putSortable || this.sortable;
+    parentSortable.captureAnimationState();
     dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
-    this.sortable.animateAll();
+    parentSortable.animateAll();
   },
   drop: drop
 };
@@ -2909,7 +2977,7 @@ var lastSwapEl;
 
 function SwapPlugin() {
   function Swap() {
-    this.options = {
+    this.defaults = {
       swapClass: 'sortable-swap-highlight'
     };
   }
@@ -2924,10 +2992,11 @@ function SwapPlugin() {
           target = _ref2.target,
           onMove = _ref2.onMove,
           activeSortable = _ref2.activeSortable,
-          changed = _ref2.changed;
+          changed = _ref2.changed,
+          cancel = _ref2.cancel;
       if (!activeSortable.options.swap) return;
       var el = this.sortable.el,
-          options = this.sortable.options;
+          options = this.options;
 
       if (target && target !== el) {
         var prevSwapEl = lastSwapEl;
@@ -2945,14 +3014,15 @@ function SwapPlugin() {
       }
 
       changed();
-      return completed(true);
+      completed(true);
+      cancel();
     },
     drop: function drop(_ref3) {
       var activeSortable = _ref3.activeSortable,
           putSortable = _ref3.putSortable,
           dragEl = _ref3.dragEl;
       var toSortable = putSortable || this.sortable;
-      var options = this.sortable.options;
+      var options = this.options;
       lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
 
       if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
@@ -2971,7 +3041,7 @@ function SwapPlugin() {
   };
   return _extends(Swap, {
     pluginName: 'swap',
-    eventOptions: function eventOptions() {
+    eventProperties: function eventProperties() {
       return {
         swapItem: lastSwapEl
       };
@@ -3028,7 +3098,7 @@ function MultiDragPlugin() {
 
     on(document, 'keydown', this._checkKeyDown);
     on(document, 'keyup', this._checkKeyUp);
-    this.options = {
+    this.defaults = {
       selectedClass: 'sortable-selected',
       multiDragKey: null,
       setData: function setData(dataTransfer, dragEl) {
@@ -3058,39 +3128,42 @@ function MultiDragPlugin() {
       this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
     },
     setupClone: function setupClone(_ref2) {
-      var sortable = _ref2.sortable;
+      var sortable = _ref2.sortable,
+          cancel = _ref2.cancel;
       if (!this.isMultiDrag) return;
 
-      for (var _i = 0; _i < multiDragElements.length; _i++) {
-        multiDragClones.push(clone(multiDragElements[_i]));
-        multiDragClones[_i].sortableIndex = multiDragElements[_i].sortableIndex;
-        multiDragClones[_i].draggable = false;
-        multiDragClones[_i].style['will-change'] = '';
-        toggleClass(multiDragClones[_i], sortable.options.selectedClass, false);
-        multiDragElements[_i] === dragEl$1 && toggleClass(multiDragClones[_i], sortable.options.chosenClass, false);
+      for (var i = 0; i < multiDragElements.length; i++) {
+        multiDragClones.push(clone(multiDragElements[i]));
+        multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
+        multiDragClones[i].draggable = false;
+        multiDragClones[i].style['will-change'] = '';
+        toggleClass(multiDragClones[i], this.options.selectedClass, false);
+        multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
       }
 
       sortable._hideClone();
 
-      return true;
+      cancel();
     },
     clone: function clone(_ref3) {
       var sortable = _ref3.sortable,
           rootEl = _ref3.rootEl,
-          dispatchSortableEvent = _ref3.dispatchSortableEvent;
+          dispatchSortableEvent = _ref3.dispatchSortableEvent,
+          cancel = _ref3.cancel;
       if (!this.isMultiDrag) return;
 
-      if (!sortable.options.removeCloneOnHide) {
+      if (!this.options.removeCloneOnHide) {
         if (multiDragElements.length && multiDragSortable === sortable) {
           insertMultiDragClones(true, rootEl);
           dispatchSortableEvent('clone');
-          return true;
+          cancel();
         }
       }
     },
     showClone: function showClone(_ref4) {
       var cloneNowShown = _ref4.cloneNowShown,
-          rootEl = _ref4.rootEl;
+          rootEl = _ref4.rootEl,
+          cancel = _ref4.cancel;
       if (!this.isMultiDrag) return;
       insertMultiDragClones(false, rootEl);
       multiDragClones.forEach(function (clone) {
@@ -3098,22 +3171,25 @@ function MultiDragPlugin() {
       });
       cloneNowShown();
       clonesHidden = false;
-      return true;
+      cancel();
     },
     hideClone: function hideClone(_ref5) {
+      var _this = this;
+
       var sortable = _ref5.sortable,
-          cloneNowHidden = _ref5.cloneNowHidden;
+          cloneNowHidden = _ref5.cloneNowHidden,
+          cancel = _ref5.cancel;
       if (!this.isMultiDrag) return;
       multiDragClones.forEach(function (clone) {
         css(clone, 'display', 'none');
 
-        if (sortable.options.removeCloneOnHide && clone.parentNode) {
+        if (_this.options.removeCloneOnHide && clone.parentNode) {
           clone.parentNode.removeChild(clone);
         }
       });
       cloneNowHidden();
       clonesHidden = true;
-      return true;
+      cancel();
     },
     dragStartGlobal: function dragStartGlobal(_ref6) {
       var sortable = _ref6.sortable;
@@ -3132,10 +3208,12 @@ function MultiDragPlugin() {
       dragStarted = true;
     },
     dragStarted: function dragStarted(_ref7) {
+      var _this2 = this;
+
       var sortable = _ref7.sortable;
       if (!this.isMultiDrag) return;
 
-      if (sortable.options.sort) {
+      if (this.options.sort) {
         // Capture rects,
         // hide multi drag elements (by positioning them absolute),
         // set multi drag elements rects to dragRect,
@@ -3144,7 +3222,7 @@ function MultiDragPlugin() {
         // unset rects & remove from DOM
         sortable.captureAnimationState();
 
-        if (sortable.options.animation) {
+        if (this.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
             css(multiDragElement, 'position', 'absolute');
@@ -3163,24 +3241,26 @@ function MultiDragPlugin() {
         folding = false;
         initialFolding = false;
 
-        if (sortable.options.animation) {
+        if (_this2.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
         } // Remove all auxiliary multidrag items from el, if sorting enabled
 
 
-        if (sortable.options.sort) {
+        if (_this2.options.sort) {
           removeMultiDragElements();
         }
       });
     },
     dragOver: function dragOver(_ref8) {
       var target = _ref8.target,
-          completed = _ref8.completed;
+          completed = _ref8.completed,
+          cancel = _ref8.cancel;
 
       if (folding && ~multiDragElements.indexOf(target)) {
-        return completed(false);
+        completed(false);
+        cancel();
       }
     },
     revert: function revert(_ref9) {
@@ -3201,7 +3281,7 @@ function MultiDragPlugin() {
           fromSortable.removeAnimationState(multiDragElement);
         });
         folding = false;
-        insertMultiDragElements(!sortable.options.removeCloneOnHide, rootEl);
+        insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
       }
     },
     dragOverCompleted: function dragOverCompleted(_ref10) {
@@ -3211,7 +3291,7 @@ function MultiDragPlugin() {
           activeSortable = _ref10.activeSortable,
           parentEl = _ref10.parentEl,
           putSortable = _ref10.putSortable;
-      var options = sortable.options;
+      var options = this.options;
 
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
@@ -3294,7 +3374,7 @@ function MultiDragPlugin() {
           putSortable = _ref12.putSortable;
       var toSortable = putSortable || this.sortable;
       if (!evt) return;
-      var options = sortable.options,
+      var options = this.options,
           children = parentEl.children; // Multi-drag selection
 
       if (!dragStarted) {
@@ -3314,32 +3394,32 @@ function MultiDragPlugin() {
             originalEvt: evt
           }); // Modifier activated, select from last to dragEl
 
-          if ((!options.multiDragKey || this.multiDragKeyDown) && evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
+          if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
             var lastIndex = index(lastMultiDragSelect),
                 currentIndex = index(dragEl$1);
 
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
               // Must include lastMultiDragSelect (select it), in case modified selection from no selection
               // (but previous selection existed)
-              var n, _i2;
+              var n, i;
 
               if (currentIndex > lastIndex) {
-                _i2 = lastIndex;
+                i = lastIndex;
                 n = currentIndex;
               } else {
-                _i2 = currentIndex;
+                i = currentIndex;
                 n = lastIndex + 1;
               }
 
-              for (; _i2 < n; _i2++) {
-                if (~multiDragElements.indexOf(children[_i2])) continue;
-                toggleClass(children[_i2], options.selectedClass, true);
-                multiDragElements.push(children[_i2]);
+              for (; i < n; i++) {
+                if (~multiDragElements.indexOf(children[i])) continue;
+                toggleClass(children[i], options.selectedClass, true);
+                multiDragElements.push(children[i]);
                 dispatchEvent({
                   sortable: sortable,
                   rootEl: rootEl,
                   name: 'select',
-                  targetEl: children[_i2],
+                  targetEl: children[i],
                   originalEvt: evt
                 });
               }
@@ -3440,7 +3520,7 @@ function MultiDragPlugin() {
       this.isMultiDrag = dragStarted = false;
       multiDragClones.length = 0;
     },
-    destroy: function destroy() {
+    destroyGlobal: function destroyGlobal() {
       this._deselectMultiDrag();
 
       off(document, 'pointerup', this._deselectMultiDrag);
@@ -3454,13 +3534,13 @@ function MultiDragPlugin() {
 
       if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
-      if (evt && closest(evt.target, this.sortable.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
 
       if (evt && evt.button !== 0) return;
 
       while (multiDragElements.length) {
         var el = multiDragElements[0];
-        toggleClass(el, this.sortable.options.selectedClass, false);
+        toggleClass(el, this.options.selectedClass, false);
         multiDragElements.shift();
         dispatchEvent({
           sortable: this.sortable,
@@ -3472,12 +3552,12 @@ function MultiDragPlugin() {
       }
     },
     _checkKeyDown: function _checkKeyDown(evt) {
-      if (evt.key === this.sortable.options.multiDragKey) {
+      if (evt.key === this.options.multiDragKey) {
         this.multiDragKeyDown = true;
       }
     },
     _checkKeyUp: function _checkKeyUp(evt) {
-      if (evt.key === this.sortable.options.multiDragKey) {
+      if (evt.key === this.options.multiDragKey) {
         this.multiDragKeyDown = false;
       }
     }
@@ -3516,8 +3596,8 @@ function MultiDragPlugin() {
         multiDragElements.splice(index, 1);
       }
     },
-    eventOptions: function eventOptions() {
-      var _this = this;
+    eventProperties: function eventProperties() {
+      var _this3 = this;
 
       var oldIndicies = [],
           newIndicies = [];
@@ -3532,7 +3612,7 @@ function MultiDragPlugin() {
         if (folding && multiDragElement !== dragEl$1) {
           newIndex = -1;
         } else if (folding) {
-          newIndex = index(multiDragElement, ':not(.' + _this.options.selectedClass + ')');
+          newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
         } else {
           newIndex = index(multiDragElement);
         }
@@ -3566,7 +3646,7 @@ function MultiDragPlugin() {
 }
 
 function insertMultiDragElements(clonesInserted, rootEl) {
-  multiDragElements.forEach(function (multiDragElement) {
+  multiDragElements.forEach(function (multiDragElement, i) {
     var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
 
     if (target) {
@@ -3584,7 +3664,7 @@ function insertMultiDragElements(clonesInserted, rootEl) {
 
 
 function insertMultiDragClones(elementsInserted, rootEl) {
-  multiDragClones.forEach(function (clone) {
+  multiDragClones.forEach(function (clone, i) {
     var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
 
     if (target) {
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 286d09d27..76f8be820 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0-rc3
+ * Sortable 1.10.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.0-rc3";
+var version = "1.10.0";
 
 function userAgent(pattern) {
   return !!
@@ -244,15 +244,19 @@ function css(el, prop, val) {
 function matrix(el, selfOnly) {
   var appliedTransforms = '';
 
-  do {
-    var transform = css(el, 'transform');
+  if (typeof el === 'string') {
+    appliedTransforms = el;
+  } else {
+    do {
+      var transform = css(el, 'transform');
 
-    if (transform && transform !== 'none') {
-      appliedTransforms = transform + ' ' + appliedTransforms;
-    }
-    /* jshint boss:true */
+      if (transform && transform !== 'none') {
+        appliedTransforms = transform + ' ' + appliedTransforms;
+      }
+      /* jshint boss:true */
 
-  } while (!selfOnly && (el = el.parentNode));
+    } while (!selfOnly && (el = el.parentNode));
+  }
 
   var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
   /*jshint -W056 */
@@ -367,16 +371,15 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
- * @param  {[DOMRect]}    rect         Optional rect of `el` to use
  * @param  {String}       elSide       Side of the element in question ('top', 'left', 'right', 'bottom')
  * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
  * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
  */
 
 
-function isScrolledPast(el, rect, elSide, parentSide) {
+function isScrolledPast(el, elSide, parentSide) {
   var parent = getParentAutoScrollElement(el, true),
-      elSideVal = (rect ? rect : getRect(el))[elSide];
+      elSideVal = getRect(el)[elSide];
   /* jshint boss:true */
 
   while (parent) {
@@ -629,7 +632,9 @@ function AnimationStateManager() {
           target: child,
           rect: getRect(child)
         });
-        var fromRect = getRect(child); // If animating: compensate for current animation
+
+        var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+
 
         if (child.thisAnimationDuration) {
           var childMatrix = matrix(child, true);
@@ -678,9 +683,7 @@ function AnimationStateManager() {
           toRect.left -= targetMatrix.e;
         }
 
-        target.toRect = toRect; // If element is scrolled out of view: Do not animate
-
-        if ((isScrolledPast(target, toRect, 'bottom', 'top') || isScrolledPast(target, toRect, 'top', 'bottom') || isScrolledPast(target, toRect, 'right', 'left') || isScrolledPast(target, toRect, 'left', 'right')) && (isScrolledPast(target, animatingRect, 'bottom', 'top') || isScrolledPast(target, animatingRect, 'top', 'bottom') || isScrolledPast(target, animatingRect, 'right', 'left') || isScrolledPast(target, animatingRect, 'left', 'right')) && (isScrolledPast(target, fromRect, 'bottom', 'top') || isScrolledPast(target, fromRect, 'top', 'bottom') || isScrolledPast(target, fromRect, 'right', 'left') || isScrolledPast(target, fromRect, 'left', 'right'))) return;
+        target.toRect = toRect;
 
         if (target.thisAnimationDuration) {
           // Could also check if animatingRect is between fromRect and toRect
@@ -700,7 +703,7 @@ function AnimationStateManager() {
             time = _this.options.animation;
           }
 
-          _this.animate(target, animatingRect, time);
+          _this.animate(target, animatingRect, toRect, time);
         }
 
         if (time) {
@@ -729,16 +732,15 @@ function AnimationStateManager() {
 
       animationStates = [];
     },
-    animate: function animate(target, prev, duration) {
+    animate: function animate(target, currentRect, toRect, duration) {
       if (duration) {
         css(target, 'transition', '');
         css(target, 'transform', '');
-        var currentRect = getRect(target),
-            elMatrix = matrix(this.el),
+        var elMatrix = matrix(this.el),
             scaleX = elMatrix && elMatrix.a,
             scaleY = elMatrix && elMatrix.d,
-            translateX = (prev.left - currentRect.left) / (scaleX || 1),
-            translateY = (prev.top - currentRect.top) / (scaleY || 1);
+            translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+            translateY = (currentRect.top - toRect.top) / (scaleY || 1);
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -786,12 +788,17 @@ var PluginManager = {
     var _this = this;
 
     this.eventCanceled = false;
+
+    evt.cancel = function () {
+      _this.eventCanceled = true;
+    };
+
     var eventNameGlobal = eventName + 'Global';
     plugins.forEach(function (plugin) {
       if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
       if (sortable[plugin.pluginName][eventNameGlobal]) {
-        _this.eventCanceled = !!sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+        sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
           sortable: sortable
         }, evt));
       } // Only fire plugin event if plugin is enabled in this sortable,
@@ -799,21 +806,22 @@ var PluginManager = {
 
 
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-        _this.eventCanceled = _this.eventCanceled || !!sortable[plugin.pluginName][eventName](_objectSpread({
+        sortable[plugin.pluginName][eventName](_objectSpread({
           sortable: sortable
         }, evt));
       }
     });
   },
-  initializePlugins: function initializePlugins(sortable, el, defaults) {
+  initializePlugins: function initializePlugins(sortable, el, defaults, options) {
     plugins.forEach(function (plugin) {
       var pluginName = plugin.pluginName;
       if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
-      var initialized = new plugin(sortable, el);
+      var initialized = new plugin(sortable, el, sortable.options);
       initialized.sortable = sortable;
+      initialized.options = sortable.options;
       sortable[pluginName] = initialized; // Add default options from plugin
 
-      _extends(defaults, initialized.options);
+      _extends(defaults, initialized.defaults);
     });
 
     for (var option in sortable.options) {
@@ -825,14 +833,14 @@ var PluginManager = {
       }
     }
   },
-  getEventOptions: function getEventOptions(name, sortable) {
-    var eventOptions = {};
+  getEventProperties: function getEventProperties(name, sortable) {
+    var eventProperties = {};
     plugins.forEach(function (plugin) {
-      if (typeof plugin.eventOptions !== 'function') return;
+      if (typeof plugin.eventProperties !== 'function') return;
 
-      _extends(eventOptions, plugin.eventOptions.call(sortable, name));
+      _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
     });
-    return eventOptions;
+    return eventProperties;
   },
   modifyOption: function modifyOption(sortable, name, value) {
     var modifiedValue;
@@ -862,8 +870,9 @@ function dispatchEvent(_ref) {
       newDraggableIndex = _ref.newDraggableIndex,
       originalEvent = _ref.originalEvent,
       putSortable = _ref.putSortable,
-      eventOptions = _ref.eventOptions;
-  sortable = sortable || rootEl[expando];
+      extraEventProperties = _ref.extraEventProperties;
+  sortable = sortable || rootEl && rootEl[expando];
+  if (!sortable) return;
   var evt,
       options = sortable.options,
       onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
@@ -889,10 +898,10 @@ function dispatchEvent(_ref) {
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-  var allEventOptions = _objectSpread({}, eventOptions, PluginManager.getEventOptions(name, sortable));
+  var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
 
-  for (var option in allEventOptions) {
-    evt[option] = allEventOptions[option];
+  for (var option in allEventProperties) {
+    evt[option] = allEventProperties[option];
   }
 
   if (rootEl) {
@@ -980,6 +989,10 @@ var dragEl,
     sortables = [],
     tapEvt,
     touchEvt,
+    lastDx,
+    lastDy,
+    tapDistanceLeft,
+    tapDistanceTop,
     moved,
     lastTarget,
     lastDirection,
@@ -1026,7 +1039,7 @@ supportDraggable = !ChromeForAndroid && !IOS && 'draggable' in document.createEl
     return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
   }
 
-  if (child1 && firstChildCSS["float"] !== 'none') {
+  if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
     var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
     return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
   }
@@ -1280,7 +1293,7 @@ Sortable.prototype =
         options = this.options,
         preventOnFilter = options.preventOnFilter,
         type = evt.type,
-        touch = evt.touches && evt.touches[0],
+        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
         target = (touch || evt).target,
         originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
         filter = options.filter;
@@ -1381,6 +1394,7 @@ Sortable.prototype =
         dragStartFn;
 
     if (target && !dragEl && target.parentNode === el) {
+      var dragRect = getRect(target);
       rootEl = el;
       dragEl = target;
       parentEl = dragEl.parentNode;
@@ -1393,6 +1407,8 @@ Sortable.prototype =
         clientX: (touch || evt).clientX,
         clientY: (touch || evt).clientY
       };
+      tapDistanceLeft = tapEvt.clientX - dragRect.left;
+      tapDistanceTop = tapEvt.clientY - dragRect.top;
       this._lastX = (touch || evt).clientX;
       this._lastY = (touch || evt).clientY;
       dragEl.style['will-change'] = 'all';
@@ -1612,8 +1628,7 @@ Sortable.prototype =
           scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
           relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
           dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1),
-          translate3d = evt.touches ? 'translate3d(' + dx + 'px,' + dy + 'px,0)' : 'translate(' + dx + 'px,' + dy + 'px)'; // only set the status to dragging, when we are actually dragging
+          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
 
       if (!Sortable.active && !awaitingDragStarted) {
         if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
@@ -1623,11 +1638,31 @@ Sortable.prototype =
         this._onDragStart(evt, true);
       }
 
-      touchEvt = touch;
-      css(ghostEl, 'webkitTransform', translate3d);
-      css(ghostEl, 'mozTransform', translate3d);
-      css(ghostEl, 'msTransform', translate3d);
-      css(ghostEl, 'transform', translate3d);
+      if (ghostEl) {
+        if (ghostMatrix) {
+          ghostMatrix.e += dx - (lastDx || 0);
+          ghostMatrix.f += dy - (lastDy || 0);
+        } else {
+          ghostMatrix = {
+            a: 1,
+            b: 0,
+            c: 0,
+            d: 1,
+            e: dx,
+            f: dy
+          };
+        }
+
+        var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
+        css(ghostEl, 'webkitTransform', cssMatrix);
+        css(ghostEl, 'mozTransform', cssMatrix);
+        css(ghostEl, 'msTransform', cssMatrix);
+        css(ghostEl, 'transform', cssMatrix);
+        lastDx = dx;
+        lastDy = dy;
+        touchEvt = touch;
+      }
+
       evt.cancelable && evt.preventDefault();
     }
   },
@@ -1675,7 +1710,9 @@ Sortable.prototype =
       css(ghostEl, 'zIndex', '100000');
       css(ghostEl, 'pointerEvents', 'none');
       Sortable.ghost = ghostEl;
-      container.appendChild(ghostEl);
+      container.appendChild(ghostEl); // Set transform-origin
+
+      css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
     }
   },
   _onDragStart: function _onDragStart(
@@ -1954,7 +1991,7 @@ Sortable.prototype =
             differentLevel = dragEl.parentNode !== el,
             differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
             side1 = vertical ? 'top' : 'left',
-            scrolledPastTop = isScrolledPast(target, null, 'top', 'top') || isScrolledPast(dragEl, null, 'top', 'top'),
+            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
             scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
 
         if (lastTarget !== target) {
@@ -2055,7 +2092,8 @@ Sortable.prototype =
     newDraggableIndex = index(dragEl, options.draggable);
     pluginEvent('drop', this, {
       evt: evt
-    }); // Get again after plugin event
+    });
+    parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
 
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
@@ -2214,7 +2252,7 @@ Sortable.prototype =
     savedInputChecked.forEach(function (el) {
       el.checked = true;
     });
-    savedInputChecked.length = 0;
+    savedInputChecked.length = lastDx = lastDy = 0;
   },
   handleEvent: function handleEvent(
   /**Event*/
@@ -2390,7 +2428,7 @@ Sortable.prototype =
       }
 
       if (this.options.group.revertClone) {
-        this._animate(dragEl, cloneEl);
+        this.animate(dragEl, cloneEl);
       }
 
       css(cloneEl, 'display', '');
@@ -2542,8 +2580,8 @@ function _saveInputCheckedState(root) {
   var idx = inputs.length;
 
   while (idx--) {
-    var _el = inputs[idx];
-    _el.checked && savedInputChecked.push(_el);
+    var el = inputs[idx];
+    el.checked && savedInputChecked.push(el);
   }
 }
 
@@ -2581,11 +2619,21 @@ Sortable.utils = {
   detectDirection: _detectDirection,
   getChild: getChild
 };
+/**
+ * Get the Sortable instance of an element
+ * @param  {HTMLElement} element The element
+ * @return {Sortable|undefined}         The instance of Sortable
+ */
+
+Sortable.get = function (element) {
+  return element[expando];
+};
 /**
  * Mount a plugin to Sortable
  * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
  */
 
+
 Sortable.mount = function () {
   for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
     plugins[_key] = arguments[_key];
@@ -2594,7 +2642,7 @@ Sortable.mount = function () {
   if (plugins[0].constructor === Array) plugins = plugins[0];
   plugins.forEach(function (plugin) {
     if (!plugin.prototype || !plugin.prototype.constructor) {
-      throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(el));
+      throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
 
     if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
@@ -2626,7 +2674,7 @@ var autoScrolls = [],
 
 function AutoScrollPlugin() {
   function AutoScroll() {
-    this.options = {
+    this.defaults = {
       scroll: true,
       scrollSensitivity: 30,
       scrollSpeed: 10,
@@ -2647,7 +2695,7 @@ function AutoScrollPlugin() {
       if (this.sortable.nativeDraggable) {
         on(document, 'dragover', this._handleAutoScroll);
       } else {
-        if (this.sortable.options.supportPointer) {
+        if (this.options.supportPointer) {
           on(document, 'pointermove', this._handleFallbackAutoScroll);
         } else if (originalEvent.touches) {
           on(document, 'touchmove', this._handleFallbackAutoScroll);
@@ -2660,7 +2708,7 @@ function AutoScrollPlugin() {
       var originalEvent = _ref2.originalEvent;
 
       // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
-      if (!this.sortable.options.dragOverBubble && !originalEvent.rootEl) {
+      if (!this.options.dragOverBubble && !originalEvent.rootEl) {
         this._handleAutoScroll(originalEvent);
       }
     },
@@ -2687,8 +2735,8 @@ function AutoScrollPlugin() {
     _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
       var _this = this;
 
-      var x = evt.clientX,
-          y = evt.clientY,
+      var x = (evt.touches ? evt.touches[0] : evt).clientX,
+          y = (evt.touches ? evt.touches[0] : evt).clientY,
           elem = document.elementFromPoint(x, y);
       touchEvt$1 = evt; // IE does not seem to have native autoscroll,
       // Edge's autoscroll seems too conditional,
@@ -2718,7 +2766,7 @@ function AutoScrollPlugin() {
         }
       } else {
         // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
-        if (!this.sortable.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
+        if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
           clearAutoScrolls();
           return;
         }
@@ -2747,7 +2795,9 @@ function clearPointerElemChangedInterval() {
 var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
   // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
   if (!options.scroll) return;
-  var sens = options.scrollSensitivity,
+  var x = (evt.touches ? evt.touches[0] : evt).clientX,
+      y = (evt.touches ? evt.touches[0] : evt).clientY,
+      sens = options.scrollSensitivity,
       speed = options.scrollSpeed,
       winScroller = getWindowScrollingElement();
   var scrollThisInstance = false,
@@ -2792,8 +2842,8 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
     }
 
-    var vx = canScrollX && (Math.abs(right - evt.clientX) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - evt.clientX) <= sens && !!scrollPosX);
-    var vy = canScrollY && (Math.abs(bottom - evt.clientY) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - evt.clientY) <= sens && !!scrollPosY);
+    var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
+    var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
 
     if (!autoScrolls[layersOut]) {
       for (var i = 0; i <= layersOut; i++) {
@@ -2852,12 +2902,16 @@ var drop = function drop(_ref) {
       unhideGhostForTarget = _ref.unhideGhostForTarget;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
-  var target = document.elementFromPoint(originalEvent.clientX, originalEvent.clientY);
+  var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
+  var target = document.elementFromPoint(touch.clientX, touch.clientY);
   unhideGhostForTarget();
 
   if (toSortable && !toSortable.el.contains(target)) {
     dispatchSortableEvent('spill');
-    this.onSpill(dragEl);
+    this.onSpill({
+      dragEl: dragEl,
+      putSortable: putSortable
+    });
   }
 };
 
@@ -2869,9 +2923,16 @@ Revert.prototype = {
     var oldDraggableIndex = _ref2.oldDraggableIndex;
     this.startIndex = oldDraggableIndex;
   },
-  onSpill: function onSpill(dragEl) {
+  onSpill: function onSpill(_ref3) {
+    var dragEl = _ref3.dragEl,
+        putSortable = _ref3.putSortable;
     this.sortable.captureAnimationState();
-    var nextSibling = getChild(this.sortable.el, this.startIndex, this.sortable.options);
+
+    if (putSortable) {
+      putSortable.captureAnimationState();
+    }
+
+    var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
 
     if (nextSibling) {
       this.sortable.el.insertBefore(dragEl, nextSibling);
@@ -2880,6 +2941,10 @@ Revert.prototype = {
     }
 
     this.sortable.animateAll();
+
+    if (putSortable) {
+      putSortable.animateAll();
+    }
   },
   drop: drop
 };
@@ -2891,10 +2956,13 @@ _extends(Revert, {
 function Remove() {}
 
 Remove.prototype = {
-  onSpill: function onSpill(dragEl) {
-    this.sortable.captureAnimationState();
+  onSpill: function onSpill(_ref4) {
+    var dragEl = _ref4.dragEl,
+        putSortable = _ref4.putSortable;
+    var parentSortable = putSortable || this.sortable;
+    parentSortable.captureAnimationState();
     dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
-    this.sortable.animateAll();
+    parentSortable.animateAll();
   },
   drop: drop
 };
@@ -2907,7 +2975,7 @@ var lastSwapEl;
 
 function SwapPlugin() {
   function Swap() {
-    this.options = {
+    this.defaults = {
       swapClass: 'sortable-swap-highlight'
     };
   }
@@ -2922,10 +2990,11 @@ function SwapPlugin() {
           target = _ref2.target,
           onMove = _ref2.onMove,
           activeSortable = _ref2.activeSortable,
-          changed = _ref2.changed;
+          changed = _ref2.changed,
+          cancel = _ref2.cancel;
       if (!activeSortable.options.swap) return;
       var el = this.sortable.el,
-          options = this.sortable.options;
+          options = this.options;
 
       if (target && target !== el) {
         var prevSwapEl = lastSwapEl;
@@ -2943,14 +3012,15 @@ function SwapPlugin() {
       }
 
       changed();
-      return completed(true);
+      completed(true);
+      cancel();
     },
     drop: function drop(_ref3) {
       var activeSortable = _ref3.activeSortable,
           putSortable = _ref3.putSortable,
           dragEl = _ref3.dragEl;
       var toSortable = putSortable || this.sortable;
-      var options = this.sortable.options;
+      var options = this.options;
       lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
 
       if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
@@ -2969,7 +3039,7 @@ function SwapPlugin() {
   };
   return _extends(Swap, {
     pluginName: 'swap',
-    eventOptions: function eventOptions() {
+    eventProperties: function eventProperties() {
       return {
         swapItem: lastSwapEl
       };
@@ -3026,7 +3096,7 @@ function MultiDragPlugin() {
 
     on(document, 'keydown', this._checkKeyDown);
     on(document, 'keyup', this._checkKeyUp);
-    this.options = {
+    this.defaults = {
       selectedClass: 'sortable-selected',
       multiDragKey: null,
       setData: function setData(dataTransfer, dragEl) {
@@ -3056,39 +3126,42 @@ function MultiDragPlugin() {
       this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
     },
     setupClone: function setupClone(_ref2) {
-      var sortable = _ref2.sortable;
+      var sortable = _ref2.sortable,
+          cancel = _ref2.cancel;
       if (!this.isMultiDrag) return;
 
-      for (var _i = 0; _i < multiDragElements.length; _i++) {
-        multiDragClones.push(clone(multiDragElements[_i]));
-        multiDragClones[_i].sortableIndex = multiDragElements[_i].sortableIndex;
-        multiDragClones[_i].draggable = false;
-        multiDragClones[_i].style['will-change'] = '';
-        toggleClass(multiDragClones[_i], sortable.options.selectedClass, false);
-        multiDragElements[_i] === dragEl$1 && toggleClass(multiDragClones[_i], sortable.options.chosenClass, false);
+      for (var i = 0; i < multiDragElements.length; i++) {
+        multiDragClones.push(clone(multiDragElements[i]));
+        multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
+        multiDragClones[i].draggable = false;
+        multiDragClones[i].style['will-change'] = '';
+        toggleClass(multiDragClones[i], this.options.selectedClass, false);
+        multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
       }
 
       sortable._hideClone();
 
-      return true;
+      cancel();
     },
     clone: function clone(_ref3) {
       var sortable = _ref3.sortable,
           rootEl = _ref3.rootEl,
-          dispatchSortableEvent = _ref3.dispatchSortableEvent;
+          dispatchSortableEvent = _ref3.dispatchSortableEvent,
+          cancel = _ref3.cancel;
       if (!this.isMultiDrag) return;
 
-      if (!sortable.options.removeCloneOnHide) {
+      if (!this.options.removeCloneOnHide) {
         if (multiDragElements.length && multiDragSortable === sortable) {
           insertMultiDragClones(true, rootEl);
           dispatchSortableEvent('clone');
-          return true;
+          cancel();
         }
       }
     },
     showClone: function showClone(_ref4) {
       var cloneNowShown = _ref4.cloneNowShown,
-          rootEl = _ref4.rootEl;
+          rootEl = _ref4.rootEl,
+          cancel = _ref4.cancel;
       if (!this.isMultiDrag) return;
       insertMultiDragClones(false, rootEl);
       multiDragClones.forEach(function (clone) {
@@ -3096,22 +3169,25 @@ function MultiDragPlugin() {
       });
       cloneNowShown();
       clonesHidden = false;
-      return true;
+      cancel();
     },
     hideClone: function hideClone(_ref5) {
+      var _this = this;
+
       var sortable = _ref5.sortable,
-          cloneNowHidden = _ref5.cloneNowHidden;
+          cloneNowHidden = _ref5.cloneNowHidden,
+          cancel = _ref5.cancel;
       if (!this.isMultiDrag) return;
       multiDragClones.forEach(function (clone) {
         css(clone, 'display', 'none');
 
-        if (sortable.options.removeCloneOnHide && clone.parentNode) {
+        if (_this.options.removeCloneOnHide && clone.parentNode) {
           clone.parentNode.removeChild(clone);
         }
       });
       cloneNowHidden();
       clonesHidden = true;
-      return true;
+      cancel();
     },
     dragStartGlobal: function dragStartGlobal(_ref6) {
       var sortable = _ref6.sortable;
@@ -3130,10 +3206,12 @@ function MultiDragPlugin() {
       dragStarted = true;
     },
     dragStarted: function dragStarted(_ref7) {
+      var _this2 = this;
+
       var sortable = _ref7.sortable;
       if (!this.isMultiDrag) return;
 
-      if (sortable.options.sort) {
+      if (this.options.sort) {
         // Capture rects,
         // hide multi drag elements (by positioning them absolute),
         // set multi drag elements rects to dragRect,
@@ -3142,7 +3220,7 @@ function MultiDragPlugin() {
         // unset rects & remove from DOM
         sortable.captureAnimationState();
 
-        if (sortable.options.animation) {
+        if (this.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
             css(multiDragElement, 'position', 'absolute');
@@ -3161,24 +3239,26 @@ function MultiDragPlugin() {
         folding = false;
         initialFolding = false;
 
-        if (sortable.options.animation) {
+        if (_this2.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
         } // Remove all auxiliary multidrag items from el, if sorting enabled
 
 
-        if (sortable.options.sort) {
+        if (_this2.options.sort) {
           removeMultiDragElements();
         }
       });
     },
     dragOver: function dragOver(_ref8) {
       var target = _ref8.target,
-          completed = _ref8.completed;
+          completed = _ref8.completed,
+          cancel = _ref8.cancel;
 
       if (folding && ~multiDragElements.indexOf(target)) {
-        return completed(false);
+        completed(false);
+        cancel();
       }
     },
     revert: function revert(_ref9) {
@@ -3199,7 +3279,7 @@ function MultiDragPlugin() {
           fromSortable.removeAnimationState(multiDragElement);
         });
         folding = false;
-        insertMultiDragElements(!sortable.options.removeCloneOnHide, rootEl);
+        insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
       }
     },
     dragOverCompleted: function dragOverCompleted(_ref10) {
@@ -3209,7 +3289,7 @@ function MultiDragPlugin() {
           activeSortable = _ref10.activeSortable,
           parentEl = _ref10.parentEl,
           putSortable = _ref10.putSortable;
-      var options = sortable.options;
+      var options = this.options;
 
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
@@ -3292,7 +3372,7 @@ function MultiDragPlugin() {
           putSortable = _ref12.putSortable;
       var toSortable = putSortable || this.sortable;
       if (!evt) return;
-      var options = sortable.options,
+      var options = this.options,
           children = parentEl.children; // Multi-drag selection
 
       if (!dragStarted) {
@@ -3312,32 +3392,32 @@ function MultiDragPlugin() {
             originalEvt: evt
           }); // Modifier activated, select from last to dragEl
 
-          if ((!options.multiDragKey || this.multiDragKeyDown) && evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
+          if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
             var lastIndex = index(lastMultiDragSelect),
                 currentIndex = index(dragEl$1);
 
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
               // Must include lastMultiDragSelect (select it), in case modified selection from no selection
               // (but previous selection existed)
-              var n, _i2;
+              var n, i;
 
               if (currentIndex > lastIndex) {
-                _i2 = lastIndex;
+                i = lastIndex;
                 n = currentIndex;
               } else {
-                _i2 = currentIndex;
+                i = currentIndex;
                 n = lastIndex + 1;
               }
 
-              for (; _i2 < n; _i2++) {
-                if (~multiDragElements.indexOf(children[_i2])) continue;
-                toggleClass(children[_i2], options.selectedClass, true);
-                multiDragElements.push(children[_i2]);
+              for (; i < n; i++) {
+                if (~multiDragElements.indexOf(children[i])) continue;
+                toggleClass(children[i], options.selectedClass, true);
+                multiDragElements.push(children[i]);
                 dispatchEvent({
                   sortable: sortable,
                   rootEl: rootEl,
                   name: 'select',
-                  targetEl: children[_i2],
+                  targetEl: children[i],
                   originalEvt: evt
                 });
               }
@@ -3438,7 +3518,7 @@ function MultiDragPlugin() {
       this.isMultiDrag = dragStarted = false;
       multiDragClones.length = 0;
     },
-    destroy: function destroy() {
+    destroyGlobal: function destroyGlobal() {
       this._deselectMultiDrag();
 
       off(document, 'pointerup', this._deselectMultiDrag);
@@ -3452,13 +3532,13 @@ function MultiDragPlugin() {
 
       if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
-      if (evt && closest(evt.target, this.sortable.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
 
       if (evt && evt.button !== 0) return;
 
       while (multiDragElements.length) {
         var el = multiDragElements[0];
-        toggleClass(el, this.sortable.options.selectedClass, false);
+        toggleClass(el, this.options.selectedClass, false);
         multiDragElements.shift();
         dispatchEvent({
           sortable: this.sortable,
@@ -3470,12 +3550,12 @@ function MultiDragPlugin() {
       }
     },
     _checkKeyDown: function _checkKeyDown(evt) {
-      if (evt.key === this.sortable.options.multiDragKey) {
+      if (evt.key === this.options.multiDragKey) {
         this.multiDragKeyDown = true;
       }
     },
     _checkKeyUp: function _checkKeyUp(evt) {
-      if (evt.key === this.sortable.options.multiDragKey) {
+      if (evt.key === this.options.multiDragKey) {
         this.multiDragKeyDown = false;
       }
     }
@@ -3514,8 +3594,8 @@ function MultiDragPlugin() {
         multiDragElements.splice(index, 1);
       }
     },
-    eventOptions: function eventOptions() {
-      var _this = this;
+    eventProperties: function eventProperties() {
+      var _this3 = this;
 
       var oldIndicies = [],
           newIndicies = [];
@@ -3530,7 +3610,7 @@ function MultiDragPlugin() {
         if (folding && multiDragElement !== dragEl$1) {
           newIndex = -1;
         } else if (folding) {
-          newIndex = index(multiDragElement, ':not(.' + _this.options.selectedClass + ')');
+          newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
         } else {
           newIndex = index(multiDragElement);
         }
@@ -3564,7 +3644,7 @@ function MultiDragPlugin() {
 }
 
 function insertMultiDragElements(clonesInserted, rootEl) {
-  multiDragElements.forEach(function (multiDragElement) {
+  multiDragElements.forEach(function (multiDragElement, i) {
     var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
 
     if (target) {
@@ -3582,7 +3662,7 @@ function insertMultiDragElements(clonesInserted, rootEl) {
 
 
 function insertMultiDragClones(elementsInserted, rootEl) {
-  multiDragClones.forEach(function (clone) {
+  multiDragClones.forEach(function (clone, i) {
     var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
 
     if (target) {
diff --git a/package.json b/package.json
index 81b64e8f6..37104d28c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.10.0-rc3",
+	"version": "1.10.0",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 425cd3576d5e5314644137a494561472a3d7081b Mon Sep 17 00:00:00 2001
From: zjffun <zjffun@gmail.com>
Date: Wed, 18 Sep 2019 16:09:12 +0800
Subject: [PATCH 10/94] disable delayed drag events during destory

---
 src/Sortable.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Sortable.js b/src/Sortable.js
index 7a8274d21..8e73521a2 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1652,6 +1652,8 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 
 		this._onDrop();
 
+		this._disableDelayedDragEvents();
+
 		sortables.splice(sortables.indexOf(this.el), 1);
 
 		this.el = el = null;

From 3f0a9bde8c82d0a3f57f5d5aa03c5b1480e00233 Mon Sep 17 00:00:00 2001
From: pangjian <pangjian1010@gmail.com>
Date: Wed, 25 Sep 2019 11:03:42 +0800
Subject: [PATCH 11/94] Fix(utils): Chrome < 44 not support scrollingElement

---
 src/utils.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/utils.js b/src/utils.js
index 7109c973b..bd30854dd 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -147,10 +147,12 @@ function find(ctx, tagName, iterator) {
 
 
 function getWindowScrollingElement() {
-	if (IE11OrLess) {
-		return document.documentElement;
+	let scrollingElement = document.scrollingElement;
+
+	if (scrollingElement) {
+		return scrollingElement
 	} else {
-		return document.scrollingElement;
+		return document.documentElement
 	}
 }
 

From 9fd576951eed5742138152c36cd68122c162e1bc Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Thu, 26 Sep 2019 21:31:56 -0400
Subject: [PATCH 12/94] #1640: Fix OnSpill destroy error

---
 plugins/OnSpill/OnSpill.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/OnSpill/OnSpill.js b/plugins/OnSpill/OnSpill.js
index a81962baf..e8c6439d9 100644
--- a/plugins/OnSpill/OnSpill.js
+++ b/plugins/OnSpill/OnSpill.js
@@ -10,6 +10,7 @@ const drop = function({
 	hideGhostForTarget,
 	unhideGhostForTarget
 }) {
+	if (!originalEvent) return;
 	let toSortable = putSortable || activeSortable;
 	hideGhostForTarget();
 	let touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;

From 5fccf71d9c9971a48acc6aa02d911bd9ebfeed08 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Fri, 27 Sep 2019 19:17:08 -0400
Subject: [PATCH 13/94] #1646: Fix SSR rendering

---
 src/Sortable.js    | 6 ++----
 src/windowCheck.js | 3 +++
 2 files changed, 5 insertions(+), 4 deletions(-)
 create mode 100644 src/windowCheck.js

diff --git a/src/Sortable.js b/src/Sortable.js
index 7a8274d21..8df9be449 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -5,6 +5,8 @@
  * @license MIT
  */
 
+import './windowCheck.js'; // Always import first
+
 import { version } from '../package.json';
 
 import { IE11OrLess, Edge, FireFox, Safari, IOS, ChromeForAndroid } from './BrowserInfo.js';
@@ -92,10 +94,6 @@ function _dispatchEvent(info) {
 }
 
 
-if (typeof window === "undefined" || !window.document) {
-	throw new Error("Sortable.js requires a window with a document");
-}
-
 let dragEl,
 	parentEl,
 	ghostEl,
diff --git a/src/windowCheck.js b/src/windowCheck.js
new file mode 100644
index 000000000..e6cf9e033
--- /dev/null
+++ b/src/windowCheck.js
@@ -0,0 +1,3 @@
+if (typeof window === "undefined" || !window.document) {
+	throw new Error("Sortable.js requires a window with a document");
+}

From 576e33540c545dcefe0d805754ac2f454b55538f Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Mon, 30 Sep 2019 22:03:50 -0400
Subject: [PATCH 14/94] Do not throw error if imported in nodeJS context

---
 src/BrowserInfo.js |  4 +++-
 src/Sortable.js    | 43 ++++++++++++++++++++++++-------------------
 src/windowCheck.js |  3 ---
 3 files changed, 27 insertions(+), 23 deletions(-)
 delete mode 100644 src/windowCheck.js

diff --git a/src/BrowserInfo.js b/src/BrowserInfo.js
index 2e6b28029..304a853a2 100644
--- a/src/BrowserInfo.js
+++ b/src/BrowserInfo.js
@@ -1,5 +1,7 @@
 function userAgent(pattern) {
-	return !!/*@__PURE__*/navigator.userAgent.match(pattern);
+	if (typeof window !== 'undefined' && window.navigator) {
+		return !!/*@__PURE__*/navigator.userAgent.match(pattern);
+	}
 }
 
 export const IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
diff --git a/src/Sortable.js b/src/Sortable.js
index 8df9be449..22d886240 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -5,8 +5,6 @@
  * @license MIT
  */
 
-import './windowCheck.js'; // Always import first
-
 import { version } from '../package.json';
 
 import { IE11OrLess, Edge, FireFox, Safari, IOS, ChromeForAndroid } from './BrowserInfo.js';
@@ -140,14 +138,17 @@ let dragEl,
 	savedInputChecked = [];
 
 	/** @const */
-	const PositionGhostAbsolutely = IOS,
+	const documentExists = typeof document !== 'undefined',
+
+	PositionGhostAbsolutely = IOS,
 
 	CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
 
 	// This will not pass for IE9, because IE9 DnD only works on anchors
-	supportDraggable = !ChromeForAndroid && !IOS && ('draggable' in document.createElement('div')),
+	supportDraggable = documentExists && !ChromeForAndroid && !IOS && ('draggable' in document.createElement('div')),
 
 	supportCssPointerEvents = (function() {
+		if (!documentExists) return;
 		// false when <= IE11
 		if (IE11OrLess) {
 			return false;
@@ -297,15 +298,17 @@ let dragEl,
 
 
 // #1184 fix - Prevent click event on fallback if dragged but item not changed position
-document.addEventListener('click', function(evt) {
-	if (ignoreNextClick) {
-		evt.preventDefault();
-		evt.stopPropagation && evt.stopPropagation();
-		evt.stopImmediatePropagation && evt.stopImmediatePropagation();
-		ignoreNextClick = false;
-		return false;
-	}
-}, true);
+if (documentExists) {
+	document.addEventListener('click', function(evt) {
+		if (ignoreNextClick) {
+			evt.preventDefault();
+			evt.stopPropagation && evt.stopPropagation();
+			evt.stopImmediatePropagation && evt.stopImmediatePropagation();
+			ignoreNextClick = false;
+			return false;
+		}
+	}, true);
+}
 
 let nearestEmptyInsertDetectEvent = function(evt) {
 	if (dragEl) {
@@ -1613,7 +1616,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			return options[name];
 		} else {
 			let modifiedValue = PluginManager.modifyOption(this, name, value);
-			if (typeof(modifiedValue) !== 'undefined') {
+			if (typeof modifiedValue !== 'undefined') {
 				options[name] = modifiedValue;
 			} else {
 				options[name] = value;
@@ -1884,11 +1887,13 @@ function _cancelNextTick(id) {
 }
 
 // Fixed #973:
-on(document, 'touchmove', function(evt) {
-	if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
-		evt.preventDefault();
-	}
-});
+if (documentExists) {
+	on(document, 'touchmove', function(evt) {
+		if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
+			evt.preventDefault();
+		}
+	});
+}
 
 
 // Export utils
diff --git a/src/windowCheck.js b/src/windowCheck.js
deleted file mode 100644
index e6cf9e033..000000000
--- a/src/windowCheck.js
+++ /dev/null
@@ -1,3 +0,0 @@
-if (typeof window === "undefined" || !window.document) {
-	throw new Error("Sortable.js requires a window with a document");
-}

From 278b587246eff62f9abbf742a3eb63bbb4dec7c1 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Tue, 1 Oct 2019 17:35:31 -0400
Subject: [PATCH 15/94] Fix saucelabs logo for npm

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 89227a438..ada20d694 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Sortable is a JavaScript library for reorderable drag-and-drop lists.
 
 Demo: http://sortablejs.github.io/Sortable/
 
-[<img width="250px" src="./st/saucelabs.svg">](https://saucelabs.com/)
+[<img width="250px" src="https://raw.githubusercontent.com/SortableJS/Sortable/HEAD/st/saucelabs.svg?sanitize=true">](https://saucelabs.com/)
 
 ## Features
 

From 8d7cb8840cc90cd5026c467a5a9c392ba9be547c Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Tue, 1 Oct 2019 17:42:48 -0400
Subject: [PATCH 16/94] 1.10.1

---
 Sortable.js                      | 58 ++++++++++++++++++--------------
 Sortable.min.js                  |  4 +--
 modular/sortable.complete.esm.js | 58 ++++++++++++++++++--------------
 modular/sortable.core.esm.js     | 58 ++++++++++++++++++--------------
 modular/sortable.esm.js          | 58 ++++++++++++++++++--------------
 package.json                     |  2 +-
 6 files changed, 131 insertions(+), 107 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index 93503ccac..e1804bf5c 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0
+ * Sortable 1.10.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -132,12 +132,14 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance");
   }
 
-  var version = "1.10.0";
+  var version = "1.10.1";
 
   function userAgent(pattern) {
-    return !!
-    /*@__PURE__*/
-    navigator.userAgent.match(pattern);
+    if (typeof window !== 'undefined' && window.navigator) {
+      return !!
+      /*@__PURE__*/
+      navigator.userAgent.match(pattern);
+    }
   }
 
   var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
@@ -972,10 +974,6 @@
     }, info));
   }
 
-  if (typeof window === "undefined" || !window.document) {
-    throw new Error("Sortable.js requires a window with a document");
-  }
-
   var dragEl,
       parentEl,
       ghostEl,
@@ -1013,12 +1011,14 @@
       savedInputChecked = [];
   /** @const */
 
-  var PositionGhostAbsolutely = IOS,
+  var documentExists = typeof document !== 'undefined',
+      PositionGhostAbsolutely = IOS,
       CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
       // This will not pass for IE9, because IE9 DnD only works on anchors
-  supportDraggable = !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+  supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
       supportCssPointerEvents = function () {
-    // false when <= IE11
+    if (!documentExists) return; // false when <= IE11
+
     if (IE11OrLess) {
       return false;
     }
@@ -1132,15 +1132,17 @@
   }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-  document.addEventListener('click', function (evt) {
-    if (ignoreNextClick) {
-      evt.preventDefault();
-      evt.stopPropagation && evt.stopPropagation();
-      evt.stopImmediatePropagation && evt.stopImmediatePropagation();
-      ignoreNextClick = false;
-      return false;
-    }
-  }, true);
+  if (documentExists) {
+    document.addEventListener('click', function (evt) {
+      if (ignoreNextClick) {
+        evt.preventDefault();
+        evt.stopPropagation && evt.stopPropagation();
+        evt.stopImmediatePropagation && evt.stopImmediatePropagation();
+        ignoreNextClick = false;
+        return false;
+      }
+    }, true);
+  }
 
   var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
     if (dragEl) {
@@ -2600,11 +2602,14 @@
   } // Fixed #973:
 
 
-  on(document, 'touchmove', function (evt) {
-    if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
-      evt.preventDefault();
-    }
-  }); // Export utils
+  if (documentExists) {
+    on(document, 'touchmove', function (evt) {
+      if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
+        evt.preventDefault();
+      }
+    });
+  } // Export utils
+
 
   Sortable.utils = {
     on: on,
@@ -2906,6 +2911,7 @@
         dispatchSortableEvent = _ref.dispatchSortableEvent,
         hideGhostForTarget = _ref.hideGhostForTarget,
         unhideGhostForTarget = _ref.unhideGhostForTarget;
+    if (!originalEvent) return;
     var toSortable = putSortable || activeSortable;
     hideGhostForTarget();
     var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
diff --git a/Sortable.min.js b/Sortable.min.js
index 693054f62..79898819a 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
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s=X(n);if(q=r,G=(z=n).parentNode,V=z.nextSibling,Z=n,ot=a.group,rt={target:kt.dragged=z,clientX:(e||t).clientX,clientY:(e||t).clientY},ct=rt.clientX-s.left,ut=rt.clientY-s.top,this._lastX=(e||t).clientX,this._lastY=(e||t).clientY,z.style["will-change"]="all",o=function(){K("delayEnded",i,{evt:t}),kt.eventCanceled?i._onDrop():(i._disableDelayedDragEvents(),!c&&i.nativeDraggable&&(z.draggable=!0),i._triggerDragStart(t,e),W({sortable:i,name:"choose",originalEvent:t}),k(z,a.chosenClass,!0))},a.ignore.split(",").forEach(function(t){g(z,t.trim(),Xt)}),u(l,"dragover",It),u(l,"mousemove",It),u(l,"touchmove",It),u(l,"mouseup",i._onDrop),u(l,"touchend",i._onDrop),u(l,"touchcancel",i._onDrop),c&&this.nativeDraggable&&(this.options.touchStartThreshold=4,z.draggable=!0),K("delayStart",this,{evt:t}),!a.delay||a.delayOnTouchOnly&&!e||this.nativeDraggable&&(E||w))o();else{if(kt.eventCanceled)return void 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t=this.el.ownerDocument;d(t,"mouseup",this._disableDelayedDrag),d(t,"touchend",this._disableDelayedDrag),d(t,"touchcancel",this._disableDelayedDrag),d(t,"mousemove",this._delayedDragTouchMoveHandler),d(t,"touchmove",this._delayedDragTouchMoveHandler),d(t,"pointermove",this._delayedDragTouchMoveHandler)},_triggerDragStart:function(t,e){e=e||"touch"==t.pointerType&&t,!this.nativeDraggable||e?this.options.supportPointer?u(document,"pointermove",this._onTouchMove):u(document,e?"touchmove":"mousemove",this._onTouchMove):(u(z,"dragend",this),u(q,"dragstart",this._onDragStart));try{document.selection?Ft(function(){document.selection.empty()}):window.getSelection().removeAllRanges()}catch(t){}},_dragStarted:function(t,e){if(vt=!1,q&&z){K("dragStarted",this,{evt:e}),this.nativeDraggable&&u(document,"dragover",Pt);var n=this.options;t||k(z,n.dragClass,!1),k(z,n.ghostClass,!0),kt.active=this,t&&this._appendGhost(),W({sortable:this,name:"start",originalEvent:e})}else this._nulling()},_emulateDragOver:function(){if(at){this._lastX=at.clientX,this._lastY=at.clientY,At();for(var t=document.elementFromPoint(at.clientX,at.clientY),e=t;t&&t.shadowRoot&&(t=t.shadowRoot.elementFromPoint(at.clientX,at.clientY))!==e;)e=t;if(z.parentNode[j]._isOutsideThisEl(t),e)do{if(e[j]){if(e[j]._onDragOver({clientX:at.clientX,clientY:at.clientY,target:t,rootEl:e})&&!this.options.dragoverBubble)break}t=e}while(e=e.parentNode);Nt()}},_onTouchMove:function(t){if(rt){var e=this.options,n=e.fallbackTolerance,o=e.fallbackOffset,i=t.touches?t.touches[0]:t,r=U&&v(U),a=U&&r&&r.a,l=U&&r&&r.d,s=_t&&gt&&b(gt),c=(i.clientX-rt.clientX+o.x)/(a||1)+(s?s[0]-Et[0]:0)/(a||1),u=(i.clientY-rt.clientY+o.y)/(l||1)+(s?s[1]-Et[1]:0)/(l||1);if(!kt.active&&!vt){if(n&&Math.max(Math.abs(i.clientX-this._lastX),Math.abs(i.clientY-this._lastY))<n)return;this._onDragStart(t,!0)}if(U){r?(r.e+=c-(lt||0),r.f+=u-(st||0)):r={a:1,b:0,c:0,d:1,e:c,f:u};var 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0!==n.preventDefault&&n.cancelable&&n.preventDefault(),s=P(s,e.draggable,l,!0),M("dragOver"),kt.eventCanceled)return p;if(z.contains(n.target)||s.animated&&s.animatingX&&s.animatingY||f._ignoreWhileAnimating===s)return A(!1);if(mt=!1,c&&!e.disabled&&(u?d||(r=!q.contains(z)):it===this||(this.lastPutMode=ot.checkPull(this,c,z,n))&&t.checkPut(this,c,z,n))){if(a="vertical"===this._getDirection(n,s),o=X(z),M("dragOverValid"),kt.eventCanceled)return p;if(r)return G=q,O(),this._hideClone(),M("revert"),kt.eventCanceled||(V?q.insertBefore(z,V):q.appendChild(z)),A(!0);var g=B(l,e.draggable);if(!g||function(t,e,n){var o=X(B(n.el,n.options.draggable));return e?t.clientX>o.right+10||t.clientX<=o.right&&t.clientY>o.bottom&&t.clientX>=o.left:t.clientX>o.right&&t.clientY>o.top||t.clientX<=o.right&&t.clientY>o.bottom+10}(n,a,this)&&!g.animated){if(g===z)return A(!1);if(g&&l===n.target&&(s=g),s&&(i=X(s)),!1!==Rt(q,l,z,o,s,i,n,!!s))return O(),l.appendChild(z),G=l,N(),A(!0)}else 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M("dragOverCompleted",{insertion:t}),t&&(u?c._hideClone():c._showClone(f),f!==h&&(k(z,it?it.options.ghostClass:c.options.ghostClass,!1),k(z,e.ghostClass,!0)),it!==f&&f!==kt.active?it=f:f===kt.active&&it&&(it=null),h===f&&(f._ignoreWhileAnimating=s),f.animateAll(function(){M("dragOverAnimationComplete"),f._ignoreWhileAnimating=null}),f!==h&&(h.animateAll(),h._ignoreWhileAnimating=null)),(s===z&&!z.animated||s===l&&!s.animated)&&(ht=null),e.dragoverBubble||n.rootEl||s===document||(z.parentNode[j]._isOutsideThisEl(n.target),t||It(n)),!e.dragoverBubble&&n.stopPropagation&&n.stopPropagation(),p=!0}function 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e=this.el,n=this.options;tt=F(z),nt=F(z,n.draggable),K("drop",this,{evt:t}),G=z&&z.parentNode,tt=F(z),nt=F(z,n.draggable),kt.eventCanceled||(yt=wt=vt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),Ht(this.cloneId),Ht(this._dragStartId),this.nativeDraggable&&(d(document,"drop",this),d(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),s&&R(document.body,"user-select",""),t&&(dt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),U&&U.parentNode&&U.parentNode.removeChild(U),(q===G||it&&"clone"!==it.lastPutMode)&&Q&&Q.parentNode&&Q.parentNode.removeChild(Q),z&&(this.nativeDraggable&&d(z,"dragend",this),Xt(z),z.style["will-change"]="",dt&&!vt&&k(z,it?it.options.ghostClass:this.options.ghostClass,!1),k(z,this.options.chosenClass,!1),W({sortable:this,name:"unchoose",toEl:G,newIndex:null,newDraggableIndex:null,originalEvent:t}),q!==G?(0<=tt&&(W({rootEl:G,name:"add",toEl:G,fromEl:q,originalEvent:t}),W({sortable:this,name:"remove",toEl:G,originalEvent:t}),W({rootEl:G,name:"sort",toEl:G,fromEl:q,originalEvent:t}),W({sortable:this,name:"sort",toEl:G,originalEvent:t})),it&&it.save()):tt!==J&&0<=tt&&(W({sortable:this,name:"update",toEl:G,originalEvent:t}),W({sortable:this,name:"sort",toEl:G,originalEvent:t})),kt.active&&(null!=tt&&-1!==tt||(tt=J,nt=et),W({sortable:this,name:"end",toEl:G,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){K("nulling",this),q=z=G=U=V=Q=Z=$=rt=at=dt=tt=nt=J=et=ht=ft=it=ot=kt.dragged=kt.ghost=kt.clone=kt.active=null,St.forEach(function(t){t.checked=!0}),St.length=lt=st=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":z&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||Bt(t));return e},sort:function(t){var o={},i=this.el;this.toArray().forEach(function(t,e){var n=i.children[e];P(n,this.options.draggable,i,!1)&&(o[t]=n)},this),t.forEach(function(t){o[t]&&(i.removeChild(o[t]),i.appendChild(o[t]))})},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=O.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Ot(n)},destroy:function(){K("destroy",this);var t=this.el;t[j]=null,d(t,"mousedown",this._onTapStart),d(t,"touchstart",this._onTapStart),d(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(d(t,"dragover",this),d(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),bt.splice(bt.indexOf(this.el),1),this.el=t=null},_hideClone:function(){if(!$){if(K("hideClone",this),kt.eventCanceled)return;R(Q,"display","none"),this.options.removeCloneOnHide&&Q.parentNode&&Q.parentNode.removeChild(Q),$=!0}},_showClone:function(t){if("clone"===t.lastPutMode){if($){if(K("showClone",this),kt.eventCanceled)return;q.contains(z)&&!this.options.group.revertClone?q.insertBefore(Q,z):V?q.insertBefore(Q,V):q.appendChild(Q),this.options.group.revertClone&&this.animate(z,Q),R(Q,"display",""),$=!1}}else 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e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,l=t.unhideGhostForTarget,s=n||i;a();var c=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,u=document.elementFromPoint(c.clientX,c.clientY);l(),s&&!s.el.contains(u)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n}))}var $t,Jt=D(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=N(),u=!1;jt!==e&&(jt=e,Vt(),Lt=t.scroll,i=t.scrollFn,!0===Lt&&(Lt=H(e,!0)));var d=0,h=Lt;do{var f=h,p=X(f),g=p.top,v=p.bottom,m=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 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t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||Ft(t));return e},sort:function(t){var o={},i=this.el;this.toArray().forEach(function(t,e){var n=i.children[e];P(n,this.options.draggable,i,!1)&&(o[t]=n)},this),t.forEach(function(t){o[t]&&(i.removeChild(o[t]),i.appendChild(o[t]))})},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=O.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&At(n)},destroy:function(){K("destroy",this);var t=this.el;t[j]=null,d(t,"mousedown",this._onTapStart),d(t,"touchstart",this._onTapStart),d(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(d(t,"dragover",this),d(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),bt.splice(bt.indexOf(this.el),1),this.el=t=null},_hideClone:function(){if(!$){if(K("hideClone",this),Rt.eventCanceled)return;R(Q,"display","none"),this.options.removeCloneOnHide&&Q.parentNode&&Q.parentNode.removeChild(Q),$=!0}},_showClone:function(t){if("clone"===t.lastPutMode){if($){if(K("showClone",this),Rt.eventCanceled)return;q.contains(z)&&!this.options.group.revertClone?q.insertBefore(Q,z):V?q.insertBefore(Q,V):q.appendChild(Q),this.options.group.revertClone&&this.animate(z,Q),R(Q,"display",""),$=!1}}else 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e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,l=t.unhideGhostForTarget;if(e){var s=n||i;a();var c=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,u=document.elementFromPoint(c.clientX,c.clientY);l(),s&&!s.el.contains(u)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n}))}}var Jt,te=D(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=N(),u=!1;Kt!==e&&(Kt=e,Zt(),jt=t.scroll,i=t.scrollFn,!0===jt&&(jt=H(e,!0)));var d=0,h=jt;do{var f=h,p=X(f),g=p.top,v=p.bottom,m=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 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n,o,i=t.parentNode,r=e.parentNode;if(!i||!r||i.isEqualNode(e)||r.isEqualNode(t))return;n=F(t),o=F(e),i.isEqualNode(r)&&n<o&&o++;i.insertBefore(e,i.children[n]),r.insertBefore(t,r.children[o])}(o,Jt),i.animateAll(),i!==e&&e.animateAll())},nulling:function(){Jt=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:Jt}}})}),Rt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.supportPointer?u(document,"pointerup",this._deselectMultiDrag):(u(document,"mouseup",this._deselectMultiDrag),u(document,"touchend",this._deselectMultiDrag)),u(document,"keydown",this._checkKeyDown),u(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,setData:function(t,e){var n="";se.length&&ie===o?se.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;re=e},delayEnded:function(){this.isMultiDrag=~se.indexOf(re)},setupClone:function(t){var e=t.sortable,n=t.cancel;if(this.isMultiDrag){for(var o=0;o<se.length;o++)ce.push(_(se[o])),ce[o].sortableIndex=se[o].sortableIndex,ce[o].draggable=!1,ce[o].style["will-change"]="",k(ce[o],this.options.selectedClass,!1),se[o]===re&&k(ce[o],this.options.chosenClass,!1);e._hideClone(),n()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,i=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||se.length&&ie===e&&(fe(!0,n),o("clone"),i()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,o=t.cancel;this.isMultiDrag&&(fe(!1,n),ce.forEach(function(t){R(t,"display","")}),e(),le=!1,o())},hideClone:function(t){var 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e=t.fromSortable,n=t.rootEl,o=t.sortable,i=t.dragRect;1<se.length&&(se.forEach(function(t){o.addAnimationState({target:t,rect:de?X(t):i}),C(t),t.fromRect=i,e.removeAnimationState(t)}),de=!1,function(o,i){se.forEach(function(t,e){var n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}(!this.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,i=t.activeSortable,r=t.parentEl,a=t.putSortable,l=this.options;if(o){if(n&&i._hideClone(),ue=!1,l.animation&&1<se.length&&(de||!n&&!i.options.sort&&!a)){var s=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&(S(t,s),r.appendChild(t))}),de=!0}if(!n)if(de||pe(),1<se.length){var c=le;i._showClone(e),i.options.animation&&!le&&c&&ce.forEach(function(t){i.addAnimationState({target:t,rect:ae}),t.fromRect=ae,t.thisAnimationDuration=null})}else i._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(se.forEach(function(t){t.thisAnimationDuration=null}),o.options.animation&&!n&&o.multiDrag.isMultiDrag){ae=a({},e);var i=v(re,!0);ae.top-=i.f,ae.left-=i.e}},dragOverAnimationComplete:function(){de&&(de=!1,pe())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=this.options,u=o.children;if(!he)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(re,c.selectedClass,!~se.indexOf(re)),~se.indexOf(re))se.splice(se.indexOf(re),1),oe=null,A({sortable:i,rootEl:n,name:"deselect",targetEl:re,originalEvt:e});else{if(se.push(re),A({sortable:i,rootEl:n,name:"select",targetEl:re,originalEvt:e}),e.shiftKey&&oe&&i.el.contains(oe)){var d,h,f=F(oe),p=F(re);if(~f&&~p&&f!==p)for(d=f<p?(h=f,p):(h=p,f+1);h<d;h++)~se.indexOf(u[h])||(k(u[h],c.selectedClass,!0),se.push(u[h]),A({sortable:i,rootEl:n,name:"select",targetEl:u[h],originalEvt:e}))}else oe=re;ie=s}if(he&&this.isMultiDrag){if((o[j].options.sort||o!==n)&&1<se.length){var g=X(re),v=F(re,":not(."+this.options.selectedClass+")");if(!ue&&c.animation&&(re.thisAnimationDuration=null),s.captureAnimationState(),!ue&&(c.animation&&(re.fromRect=g,se.forEach(function(t){if(t.thisAnimationDuration=null,t!==re){var e=de?X(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}})),pe(),se.forEach(function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++}),a===F(re))){var m=!1;se.forEach(function(t){t.sortableIndex===F(t)||(m=!0)}),m&&r("update")}se.forEach(function(t){C(t)}),s.animateAll()}ie=s}(n===o||l&&"clone"!==l.lastPutMode)&&ce.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=he=!1,ce.length=0},destroyGlobal:function(){this._deselectMultiDrag(),d(document,"pointerup",this._deselectMultiDrag),d(document,"mouseup",this._deselectMultiDrag),d(document,"touchend",this._deselectMultiDrag),d(document,"keydown",this._checkKeyDown),d(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!he&&ie===this.sortable&&!(t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;se.length;){var e=se[0];k(e,this.options.selectedClass,!1),se.shift(),A({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~se.indexOf(t)&&(ie&&ie!==e&&(ie.multiDrag._deselectMultiDrag(),ie=e),k(t,e.options.selectedClass,!0),se.push(t))},deselect:function(t){var e=t.parentNode[j],n=se.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),se.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return se.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=de&&t!==re?-1:de?F(t,":not(."+n.options.selectedClass+")"):F(t),i.push({multiDragElement:t,index:e})}),{items:e(se),clones:[].concat(ce),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Rt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 79a392b76..17f1e4638 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0
+ * Sortable 1.10.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,12 +126,14 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.0";
+var version = "1.10.1";
 
 function userAgent(pattern) {
-  return !!
-  /*@__PURE__*/
-  navigator.userAgent.match(pattern);
+  if (typeof window !== 'undefined' && window.navigator) {
+    return !!
+    /*@__PURE__*/
+    navigator.userAgent.match(pattern);
+  }
 }
 
 var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
@@ -966,10 +968,6 @@ function _dispatchEvent(info) {
   }, info));
 }
 
-if (typeof window === "undefined" || !window.document) {
-  throw new Error("Sortable.js requires a window with a document");
-}
-
 var dragEl,
     parentEl,
     ghostEl,
@@ -1007,12 +1005,14 @@ _silent = false,
     savedInputChecked = [];
 /** @const */
 
-var PositionGhostAbsolutely = IOS,
+var documentExists = typeof document !== 'undefined',
+    PositionGhostAbsolutely = IOS,
     CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
     // This will not pass for IE9, because IE9 DnD only works on anchors
-supportDraggable = !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
     supportCssPointerEvents = function () {
-  // false when <= IE11
+  if (!documentExists) return; // false when <= IE11
+
   if (IE11OrLess) {
     return false;
   }
@@ -1126,15 +1126,17 @@ _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
 }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-document.addEventListener('click', function (evt) {
-  if (ignoreNextClick) {
-    evt.preventDefault();
-    evt.stopPropagation && evt.stopPropagation();
-    evt.stopImmediatePropagation && evt.stopImmediatePropagation();
-    ignoreNextClick = false;
-    return false;
-  }
-}, true);
+if (documentExists) {
+  document.addEventListener('click', function (evt) {
+    if (ignoreNextClick) {
+      evt.preventDefault();
+      evt.stopPropagation && evt.stopPropagation();
+      evt.stopImmediatePropagation && evt.stopImmediatePropagation();
+      ignoreNextClick = false;
+      return false;
+    }
+  }, true);
+}
 
 var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
   if (dragEl) {
@@ -2594,11 +2596,14 @@ function _cancelNextTick(id) {
 } // Fixed #973:
 
 
-on(document, 'touchmove', function (evt) {
-  if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
-    evt.preventDefault();
-  }
-}); // Export utils
+if (documentExists) {
+  on(document, 'touchmove', function (evt) {
+    if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
+      evt.preventDefault();
+    }
+  });
+} // Export utils
+
 
 Sortable.utils = {
   on: on,
@@ -2900,6 +2905,7 @@ var drop = function drop(_ref) {
       dispatchSortableEvent = _ref.dispatchSortableEvent,
       hideGhostForTarget = _ref.hideGhostForTarget,
       unhideGhostForTarget = _ref.unhideGhostForTarget;
+  if (!originalEvent) return;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
   var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index fd4b551c0..48852e2f4 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0
+ * Sortable 1.10.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,12 +126,14 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.0";
+var version = "1.10.1";
 
 function userAgent(pattern) {
-  return !!
-  /*@__PURE__*/
-  navigator.userAgent.match(pattern);
+  if (typeof window !== 'undefined' && window.navigator) {
+    return !!
+    /*@__PURE__*/
+    navigator.userAgent.match(pattern);
+  }
 }
 
 var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
@@ -966,10 +968,6 @@ function _dispatchEvent(info) {
   }, info));
 }
 
-if (typeof window === "undefined" || !window.document) {
-  throw new Error("Sortable.js requires a window with a document");
-}
-
 var dragEl,
     parentEl,
     ghostEl,
@@ -1007,12 +1005,14 @@ _silent = false,
     savedInputChecked = [];
 /** @const */
 
-var PositionGhostAbsolutely = IOS,
+var documentExists = typeof document !== 'undefined',
+    PositionGhostAbsolutely = IOS,
     CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
     // This will not pass for IE9, because IE9 DnD only works on anchors
-supportDraggable = !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
     supportCssPointerEvents = function () {
-  // false when <= IE11
+  if (!documentExists) return; // false when <= IE11
+
   if (IE11OrLess) {
     return false;
   }
@@ -1126,15 +1126,17 @@ _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
 }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-document.addEventListener('click', function (evt) {
-  if (ignoreNextClick) {
-    evt.preventDefault();
-    evt.stopPropagation && evt.stopPropagation();
-    evt.stopImmediatePropagation && evt.stopImmediatePropagation();
-    ignoreNextClick = false;
-    return false;
-  }
-}, true);
+if (documentExists) {
+  document.addEventListener('click', function (evt) {
+    if (ignoreNextClick) {
+      evt.preventDefault();
+      evt.stopPropagation && evt.stopPropagation();
+      evt.stopImmediatePropagation && evt.stopImmediatePropagation();
+      ignoreNextClick = false;
+      return false;
+    }
+  }, true);
+}
 
 var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
   if (dragEl) {
@@ -2594,11 +2596,14 @@ function _cancelNextTick(id) {
 } // Fixed #973:
 
 
-on(document, 'touchmove', function (evt) {
-  if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
-    evt.preventDefault();
-  }
-}); // Export utils
+if (documentExists) {
+  on(document, 'touchmove', function (evt) {
+    if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
+      evt.preventDefault();
+    }
+  });
+} // Export utils
+
 
 Sortable.utils = {
   on: on,
@@ -2900,6 +2905,7 @@ var drop = function drop(_ref) {
       dispatchSortableEvent = _ref.dispatchSortableEvent,
       hideGhostForTarget = _ref.hideGhostForTarget,
       unhideGhostForTarget = _ref.unhideGhostForTarget;
+  if (!originalEvent) return;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
   var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 76f8be820..0104e85df 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.0
+ * Sortable 1.10.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,12 +126,14 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.0";
+var version = "1.10.1";
 
 function userAgent(pattern) {
-  return !!
-  /*@__PURE__*/
-  navigator.userAgent.match(pattern);
+  if (typeof window !== 'undefined' && window.navigator) {
+    return !!
+    /*@__PURE__*/
+    navigator.userAgent.match(pattern);
+  }
 }
 
 var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
@@ -966,10 +968,6 @@ function _dispatchEvent(info) {
   }, info));
 }
 
-if (typeof window === "undefined" || !window.document) {
-  throw new Error("Sortable.js requires a window with a document");
-}
-
 var dragEl,
     parentEl,
     ghostEl,
@@ -1007,12 +1005,14 @@ _silent = false,
     savedInputChecked = [];
 /** @const */
 
-var PositionGhostAbsolutely = IOS,
+var documentExists = typeof document !== 'undefined',
+    PositionGhostAbsolutely = IOS,
     CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
     // This will not pass for IE9, because IE9 DnD only works on anchors
-supportDraggable = !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
     supportCssPointerEvents = function () {
-  // false when <= IE11
+  if (!documentExists) return; // false when <= IE11
+
   if (IE11OrLess) {
     return false;
   }
@@ -1126,15 +1126,17 @@ _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
 }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-document.addEventListener('click', function (evt) {
-  if (ignoreNextClick) {
-    evt.preventDefault();
-    evt.stopPropagation && evt.stopPropagation();
-    evt.stopImmediatePropagation && evt.stopImmediatePropagation();
-    ignoreNextClick = false;
-    return false;
-  }
-}, true);
+if (documentExists) {
+  document.addEventListener('click', function (evt) {
+    if (ignoreNextClick) {
+      evt.preventDefault();
+      evt.stopPropagation && evt.stopPropagation();
+      evt.stopImmediatePropagation && evt.stopImmediatePropagation();
+      ignoreNextClick = false;
+      return false;
+    }
+  }, true);
+}
 
 var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
   if (dragEl) {
@@ -2594,11 +2596,14 @@ function _cancelNextTick(id) {
 } // Fixed #973:
 
 
-on(document, 'touchmove', function (evt) {
-  if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
-    evt.preventDefault();
-  }
-}); // Export utils
+if (documentExists) {
+  on(document, 'touchmove', function (evt) {
+    if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
+      evt.preventDefault();
+    }
+  });
+} // Export utils
+
 
 Sortable.utils = {
   on: on,
@@ -2900,6 +2905,7 @@ var drop = function drop(_ref) {
       dispatchSortableEvent = _ref.dispatchSortableEvent,
       hideGhostForTarget = _ref.hideGhostForTarget,
       unhideGhostForTarget = _ref.unhideGhostForTarget;
+  if (!originalEvent) return;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
   var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
diff --git a/package.json b/package.json
index 37104d28c..d19fb7003 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.10.0",
+	"version": "1.10.1",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From e824ed17d1aeea15a692874f326ad0bf685b5b74 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Wed, 2 Oct 2019 20:31:05 -0400
Subject: [PATCH 17/94] Fix optionListeners typo

---
 plugins/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/README.md b/plugins/README.md
index c48255a40..1dbef58d0 100644
--- a/plugins/README.md
+++ b/plugins/README.md
@@ -38,7 +38,7 @@ Example:
 
 ```js
 Plugin.name = 'generateTitle';
-Plugin.optionModifiers = {
+Plugin.optionListeners = {
 	// Listen for option 'generateTitle'
 	generateTitle: function(title) {
 		// Store the option in all caps

From 8b07ba20e943c7c3a251d4086e84076a41da8e8f Mon Sep 17 00:00:00 2001
From: jess <jessachandler@gmail.com>
Date: Fri, 11 Oct 2019 06:36:51 -0700
Subject: [PATCH 18/94] Added Open Collective

---
 README.md | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ada20d694..1126c18d5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Sortable &nbsp; [![CircleCI](https://circleci.com/gh/SortableJS/Sortable.svg?style=svg)](https://circleci.com/gh/SortableJS/Sortable) [![DeepScan grade](https://deepscan.io/api/teams/3901/projects/5666/branches/43977/badge/grade.svg)](https://deepscan.io/dashboard#view=project&tid=3901&pid=5666&bid=43977) [![](https://data.jsdelivr.com/v1/package/npm/sortablejs/badge)](https://www.jsdelivr.com/package/npm/sortablejs) [![npm](https://img.shields.io/npm/v/sortablejs.svg)](https://www.npmjs.com/package/sortablejs)
+# Sortable &nbsp; [![Financial Contributors on Open Collective](https://opencollective.com/Sortable/all/badge.svg?label=financial+contributors)](https://opencollective.com/Sortable) [![CircleCI](https://circleci.com/gh/SortableJS/Sortable.svg?style=svg)](https://circleci.com/gh/SortableJS/Sortable) [![DeepScan grade](https://deepscan.io/api/teams/3901/projects/5666/branches/43977/badge/grade.svg)](https://deepscan.io/dashboard#view=project&tid=3901&pid=5666&bid=43977) [![](https://data.jsdelivr.com/v1/package/npm/sortablejs/badge)](https://www.jsdelivr.com/package/npm/sortablejs) [![npm](https://img.shields.io/npm/v/sortablejs.svg)](https://www.npmjs.com/package/sortablejs)
 
 Sortable is a JavaScript library for reorderable drag-and-drop lists.
 
@@ -761,6 +761,36 @@ Please, [read this](CONTRIBUTING.md).
 ---
 
 
+## Contributors
+
+### Code Contributors
+
+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="https://github.com/SortableJS/Sortable/graphs/contributors"><img src="https://opencollective.com/Sortable/contributors.svg?width=890&button=false" /></a>
+
+### Financial Contributors
+
+Become a financial contributor and help us sustain our community. [[Contribute](https://opencollective.com/Sortable/contribute)]
+
+#### Individuals
+
+<a href="https://opencollective.com/Sortable"><img src="https://opencollective.com/Sortable/individuals.svg?width=890"></a>
+
+#### Organizations
+
+Support this project with your organization. Your logo will show up here with a link to your website. [[Contribute](https://opencollective.com/Sortable/contribute)]
+
+<a href="https://opencollective.com/Sortable/organization/0/website"><img src="https://opencollective.com/Sortable/organization/0/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/1/website"><img src="https://opencollective.com/Sortable/organization/1/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/2/website"><img src="https://opencollective.com/Sortable/organization/2/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/3/website"><img src="https://opencollective.com/Sortable/organization/3/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/4/website"><img src="https://opencollective.com/Sortable/organization/4/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/5/website"><img src="https://opencollective.com/Sortable/organization/5/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/6/website"><img src="https://opencollective.com/Sortable/organization/6/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/7/website"><img src="https://opencollective.com/Sortable/organization/7/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/8/website"><img src="https://opencollective.com/Sortable/organization/8/avatar.svg"></a>
+<a href="https://opencollective.com/Sortable/organization/9/website"><img src="https://opencollective.com/Sortable/organization/9/avatar.svg"></a>
+
 ## MIT LICENSE
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

From e97937010a112b4550b613e47f9e0019624d827d Mon Sep 17 00:00:00 2001
From: Oliver Hepworth-Bell <ohepworthbell@users.noreply.github.com>
Date: Sat, 12 Oct 2019 01:15:22 +0100
Subject: [PATCH 19/94] #1644: Remove transform on drop

---
 src/Sortable.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Sortable.js b/src/Sortable.js
index 22d886240..8537ad0b3 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1352,6 +1352,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			css(document.body, 'user-select', '');
 		}
 
+		css(dragEl, 'transform', '');
 
 		if (evt) {
 			if (moved) {

From caca04a00eddf478945120a143c676e51fc3d898 Mon Sep 17 00:00:00 2001
From: Jeremy Folds <2747251+jmfolds@users.noreply.github.com>
Date: Mon, 21 Oct 2019 13:16:38 -0600
Subject: [PATCH 20/94] add MSCSSMatrix to matrixFn options

---
 src/utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils.js b/src/utils.js
index 7109c973b..2758830b1 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -122,7 +122,7 @@ function matrix(el, selfOnly) {
 		} while (!selfOnly && (el = el.parentNode));
 	}
 
-	const matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
+	const matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
 	/*jshint -W056 */
 	return matrixFn && (new matrixFn(appliedTransforms));
 }

From 61a06e7c62590addfae6bcbe4d8eead00efb6429 Mon Sep 17 00:00:00 2001
From: Emil Ibatullin <emil.ibatullin@gmail.com>
Date: Thu, 7 Nov 2019 14:23:30 +0300
Subject: [PATCH 21/94] Fix clicking select tag

---
 src/Sortable.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Sortable.js b/src/Sortable.js
index 048a38b1c..a509a83c5 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -484,6 +484,11 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			return;
 		}
 
+		// Safari ignores further event handling after mousedown
+		if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
+			return;
+		}
+
 		target = closest(target, options.draggable, el, false);
 
 

From ac5ec44ac666c1278699e84f79046ea60ef8af3e Mon Sep 17 00:00:00 2001
From: Ashish Kumar KC <ashishkumar.kc@cdk.com>
Date: Tue, 19 Nov 2019 08:54:07 +0530
Subject: [PATCH 22/94] Added type check for 'dragStarted' variable as this is
 causing thousands of console errors in Chrome, Firefox, Edge, IE, Safari
 before the first drag. This change is harmless because it is just checking if
 the variable dragStarted is declared before using it.

Tested across all of the above browsers and working fine after this change.
---
 plugins/MultiDrag/MultiDrag.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 7b2c32cda..61f690137 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -467,7 +467,7 @@ function MultiDragPlugin() {
 		},
 
 		_deselectMultiDrag(evt) {
-			if (dragStarted) return;
+			if (typeof dragStarted !== "undefined" && dragStarted) return;
 
 			// Only deselect if selection is in this sortable
 			if (multiDragSortable !== this.sortable) return;

From eea402765a1e5320e00d1e926c41130b8941918d Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 5 Dec 2019 16:26:55 +0000
Subject: [PATCH 23/94] Bump mixin-deep from 1.3.1 to 1.3.2

Bumps [mixin-deep](https://github.com/jonschlinkert/mixin-deep) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/jonschlinkert/mixin-deep/releases)
- [Commits](https://github.com/jonschlinkert/mixin-deep/compare/1.3.1...1.3.2)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package-lock.json | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index e14c8db0f..dbc696bd5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "sortablejs",
-	"version": "1.10.0-rc3",
+	"version": "1.10.1",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
@@ -3862,9 +3862,9 @@
 			"dev": true
 		},
 		"mixin-deep": {
-			"version": "1.3.1",
-			"resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz",
-			"integrity": "sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==",
+			"version": "1.3.2",
+			"resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
+			"integrity": "sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==",
 			"dev": true,
 			"requires": {
 				"for-in": "^1.0.2",

From 4105c13108da8ce51d585d56393a1a731558a0a7 Mon Sep 17 00:00:00 2001
From: Wayne Van Son <waynevspersonal@gmail.com>
Date: Mon, 16 Dec 2019 09:41:42 +1100
Subject: [PATCH 24/94] Update README.md

Adds Typescript definitions package in Features
---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 1126c18d5..cc06e8223 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Demo: http://sortablejs.github.io/Sortable/
  * Support for [plugins](#plugins)
  * [CDN](#cdn)
  * No jQuery required (but there is [support](https://github.com/SortableJS/jquery-sortablejs))
+ * Typescript definitions at `@types/sortablejs`
 
 
 <br/>

From aae2c97180e2096aaa539ba3357080612469d000 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Wed, 25 Dec 2019 00:17:16 -0500
Subject: [PATCH 25/94] #1699: Fixed multiplying ghost transform

---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 048a38b1c..c791c4f7c 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -789,7 +789,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 				fallbackTolerance = options.fallbackTolerance,
 				fallbackOffset = options.fallbackOffset,
 				touch = evt.touches ? evt.touches[0] : evt,
-				ghostMatrix = ghostEl && matrix(ghostEl),
+				ghostMatrix = ghostEl && matrix(ghostEl, true),
 				scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
 				scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
 				relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),

From 2addddd67387b6e4b6b5e51806eb698f0a3eee88 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Wed, 25 Dec 2019 14:38:51 -0500
Subject: [PATCH 26/94] 1.10.2

---
 Sortable.js                      | 22 ++++++++++++++--------
 Sortable.min.js                  |  4 ++--
 modular/sortable.complete.esm.js | 22 ++++++++++++++--------
 modular/sortable.core.esm.js     | 22 ++++++++++++++--------
 modular/sortable.esm.js          | 22 ++++++++++++++--------
 package.json                     |  2 +-
 6 files changed, 59 insertions(+), 35 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index e1804bf5c..c6d7f9da6 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.1
+ * Sortable 1.10.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -132,7 +132,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance");
   }
 
-  var version = "1.10.1";
+  var version = "1.10.2";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -266,7 +266,7 @@
       } while (!selfOnly && (el = el.parentNode));
     }
 
-    var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
+    var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
     /*jshint -W056 */
 
     return matrixFn && new matrixFn(appliedTransforms);
@@ -291,10 +291,12 @@
   }
 
   function getWindowScrollingElement() {
-    if (IE11OrLess) {
-      return document.documentElement;
+    var scrollingElement = document.scrollingElement;
+
+    if (scrollingElement) {
+      return scrollingElement;
     } else {
-      return document.scrollingElement;
+      return document.documentElement;
     }
   }
   /**
@@ -1631,7 +1633,7 @@
             fallbackTolerance = options.fallbackTolerance,
             fallbackOffset = options.fallbackOffset,
             touch = evt.touches ? evt.touches[0] : evt,
-            ghostMatrix = ghostEl && matrix(ghostEl),
+            ghostMatrix = ghostEl && matrix(ghostEl, true),
             scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
             scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
             relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
@@ -2136,6 +2138,8 @@
         css(document.body, 'user-select', '');
       }
 
+      css(dragEl, 'transform', '');
+
       if (evt) {
         if (moved) {
           evt.cancelable && evt.preventDefault();
@@ -2400,6 +2404,8 @@
 
       this._onDrop();
 
+      this._disableDelayedDragEvents();
+
       sortables.splice(sortables.indexOf(this.el), 1);
       this.el = el = null;
     },
@@ -3540,7 +3546,7 @@
         off(document, 'keyup', this._checkKeyUp);
       },
       _deselectMultiDrag: function _deselectMultiDrag(evt) {
-        if (dragStarted) return; // Only deselect if selection is in this sortable
+        if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
 
         if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
diff --git a/Sortable.min.js b/Sortable.min.js
index 79898819a..eba061497 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.10.1 - MIT | git://github.com/SortableJS/Sortable.git */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Sortable=e()}(this,function(){"use strict";function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function a(){return(a=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var o in n)Object.prototype.hasOwnProperty.call(n,o)&&(t[o]=n[o])}return t}).apply(this,arguments)}function I(i){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},e=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(e=e.concat(Object.getOwnPropertySymbols(r).filter(function(t){return Object.getOwnPropertyDescriptor(r,t).enumerable}))),e.forEach(function(t){var e,n,o;e=i,o=r[n=t],n in e?Object.defineProperty(e,n,{value:o,enumerable:!0,configurable:!0,writable:!0}):e[n]=o})}return i}function l(t,e){if(null==t)return{};var n,o,i=function(t,e){if(null==t)return{};var n,o,i={},r=Object.keys(t);for(o=0;o<r.length;o++)n=r[o],0<=e.indexOf(n)||(i[n]=t[n]);return i}(t,e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);for(o=0;o<r.length;o++)n=r[o],0<=e.indexOf(n)||Object.prototype.propertyIsEnumerable.call(t,n)&&(i[n]=t[n])}return i}function e(t){return function(t){if(Array.isArray(t)){for(var e=0,n=new Array(t.length);e<t.length;e++)n[e]=t[e];return n}}(t)||function(t){if(Symbol.iterator in Object(t)||"[object Arguments]"===Object.prototype.toString.call(t))return Array.from(t)}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance")}()}function t(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var w=t(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),E=t(/Edge/i),c=t(/firefox/i),s=t(/safari/i)&&!t(/chrome/i)&&!t(/android/i),n=t(/iP(ad|od|hone)/i),i=t(/chrome/i)&&t(/android/i),r={capture:!1,passive:!1};function u(t,e,n){t.addEventListener(e,n,!w&&r)}function d(t,e,n){t.removeEventListener(e,n,!w&&r)}function h(t,e){if(e){if(">"===e[0]&&(e=e.substring(1)),t)try{if(t.matches)return t.matches(e);if(t.msMatchesSelector)return t.msMatchesSelector(e);if(t.webkitMatchesSelector)return t.webkitMatchesSelector(e)}catch(t){return!1}return!1}}function P(t,e,n,o){if(t){n=n||document;do{if(null!=e&&(">"===e[0]?t.parentNode===n&&h(t,e):h(t,e))||o&&t===n)return t;if(t===n)break}while(t=(i=t).host&&i!==document&&i.host.nodeType?i.host:i.parentNode)}var i;return null}var f,p=/\s+/g;function k(t,e,n){if(t&&e)if(t.classList)t.classList[n?"add":"remove"](e);else{var o=(" "+t.className+" ").replace(p," ").replace(" "+e+" "," ");t.className=(o+(n?" 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e=this.el,n=this.options;tt=F(z),nt=F(z,n.draggable),K("drop",this,{evt:t}),G=z&&z.parentNode,tt=F(z),nt=F(z,n.draggable),Rt.eventCanceled||(yt=wt=vt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),Lt(this.cloneId),Lt(this._dragStartId),this.nativeDraggable&&(d(document,"drop",this),d(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),s&&R(document.body,"user-select",""),t&&(dt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),U&&U.parentNode&&U.parentNode.removeChild(U),(q===G||it&&"clone"!==it.lastPutMode)&&Q&&Q.parentNode&&Q.parentNode.removeChild(Q),z&&(this.nativeDraggable&&d(z,"dragend",this),Yt(z),z.style["will-change"]="",dt&&!vt&&k(z,it?it.options.ghostClass:this.options.ghostClass,!1),k(z,this.options.chosenClass,!1),W({sortable:this,name:"unchoose",toEl:G,newIndex:null,newDraggableIndex:null,originalEvent:t}),q!==G?(0<=tt&&(W({rootEl:G,name:"add",toEl:G,fromEl:q,originalEvent:t}),W({sortable:this,name:"remove",toEl:G,originalEvent:t}),W({rootEl:G,name:"sort",toEl:G,fromEl:q,originalEvent:t}),W({sortable:this,name:"sort",toEl:G,originalEvent:t})),it&&it.save()):tt!==J&&0<=tt&&(W({sortable:this,name:"update",toEl:G,originalEvent:t}),W({sortable:this,name:"sort",toEl:G,originalEvent:t})),Rt.active&&(null!=tt&&-1!==tt||(tt=J,nt=et),W({sortable:this,name:"end",toEl:G,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){K("nulling",this),q=z=G=U=V=Q=Z=$=rt=at=dt=tt=nt=J=et=ht=ft=it=ot=Rt.dragged=Rt.ghost=Rt.clone=Rt.active=null,_t.forEach(function(t){t.checked=!0}),_t.length=lt=st=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":z&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||Ft(t));return e},sort:function(t){var o={},i=this.el;this.toArray().forEach(function(t,e){var n=i.children[e];P(n,this.options.draggable,i,!1)&&(o[t]=n)},this),t.forEach(function(t){o[t]&&(i.removeChild(o[t]),i.appendChild(o[t]))})},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=O.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&At(n)},destroy:function(){K("destroy",this);var t=this.el;t[j]=null,d(t,"mousedown",this._onTapStart),d(t,"touchstart",this._onTapStart),d(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(d(t,"dragover",this),d(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),bt.splice(bt.indexOf(this.el),1),this.el=t=null},_hideClone:function(){if(!$){if(K("hideClone",this),Rt.eventCanceled)return;R(Q,"display","none"),this.options.removeCloneOnHide&&Q.parentNode&&Q.parentNode.removeChild(Q),$=!0}},_showClone:function(t){if("clone"===t.lastPutMode){if($){if(K("showClone",this),Rt.eventCanceled)return;q.contains(z)&&!this.options.group.revertClone?q.insertBefore(Q,z):V?q.insertBefore(Q,V):q.appendChild(Q),this.options.group.revertClone&&this.animate(z,Q),R(Q,"display",""),$=!1}}else 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e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,l=t.unhideGhostForTarget;if(e){var s=n||i;a();var c=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,u=document.elementFromPoint(c.clientX,c.clientY);l(),s&&!s.el.contains(u)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n}))}}var Jt,te=D(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=N(),u=!1;Kt!==e&&(Kt=e,Zt(),jt=t.scroll,i=t.scrollFn,!0===jt&&(jt=H(e,!0)));var d=0,h=jt;do{var f=h,p=X(f),g=p.top,v=p.bottom,m=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 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e=t.originalEvent;this.options.dragOverBubble||e.rootEl||this._handleAutoScroll(e)},drop:function(){this.sortable.nativeDraggable?d(document,"dragover",this._handleAutoScroll):(d(document,"pointermove",this._handleFallbackAutoScroll),d(document,"touchmove",this._handleFallbackAutoScroll),d(document,"mousemove",this._handleFallbackAutoScroll)),Qt(),Zt(),clearTimeout(f),f=void 0},nulling:function(){Gt=Kt=jt=Vt=Ut=Wt=zt=null,qt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o=this,i=(e.touches?e.touches[0]:e).clientX,r=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(i,r);if(Gt=e,n||E||w||s){te(e,this.options,t,n);var a=H(t,!0);!Vt||Ut&&i===Wt&&r===zt||(Ut&&Qt(),Ut=setInterval(function(){var t=H(document.elementFromPoint(i,r),!0);t!==a&&(a=t,Zt()),te(e,o.options,t,n)},10),Wt=i,zt=r)}else{if(!this.options.bubbleScroll||H(t,!0)===N())return void Zt();te(e,this.options,H(t,!1),!1)}}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Rt.mount(ne,ee),Rt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){var e=t.dragEl;Jt=e},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;if(i.options.swap){var l=this.sortable.el,s=this.options;if(n&&n!==l){var c=Jt;Jt=!1!==o(n)?(k(n,s.swapClass,!0),n):null,c&&c!==Jt&&k(c,s.swapClass,!1)}r(),e(!0),a()}},drop:function(t){var e=t.activeSortable,n=t.putSortable,o=t.dragEl,i=n||this.sortable,r=this.options;Jt&&k(Jt,r.swapClass,!1),Jt&&(r.swap||n&&n.options.swap)&&o!==Jt&&(i.captureAnimationState(),i!==e&&e.captureAnimationState(),function(t,e){var n,o,i=t.parentNode,r=e.parentNode;if(!i||!r||i.isEqualNode(e)||r.isEqualNode(t))return;n=F(t),o=F(e),i.isEqualNode(r)&&n<o&&o++;i.insertBefore(e,i.children[n]),r.insertBefore(t,r.children[o])}(o,Jt),i.animateAll(),i!==e&&e.animateAll())},nulling:function(){Jt=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:Jt}}})}),Rt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.supportPointer?u(document,"pointerup",this._deselectMultiDrag):(u(document,"mouseup",this._deselectMultiDrag),u(document,"touchend",this._deselectMultiDrag)),u(document,"keydown",this._checkKeyDown),u(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,setData:function(t,e){var n="";se.length&&ie===o?se.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;re=e},delayEnded:function(){this.isMultiDrag=~se.indexOf(re)},setupClone:function(t){var e=t.sortable,n=t.cancel;if(this.isMultiDrag){for(var o=0;o<se.length;o++)ce.push(_(se[o])),ce[o].sortableIndex=se[o].sortableIndex,ce[o].draggable=!1,ce[o].style["will-change"]="",k(ce[o],this.options.selectedClass,!1),se[o]===re&&k(ce[o],this.options.chosenClass,!1);e._hideClone(),n()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,i=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||se.length&&ie===e&&(fe(!0,n),o("clone"),i()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,o=t.cancel;this.isMultiDrag&&(fe(!1,n),ce.forEach(function(t){R(t,"display","")}),e(),le=!1,o())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),o=t.cancel;this.isMultiDrag&&(ce.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),le=!0,o())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ie&&ie.multiDrag._deselectMultiDrag(),se.forEach(function(t){t.sortableIndex=F(t)}),se=se.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),he=!0},dragStarted:function(t){var e=this,n=t.sortable;if(this.isMultiDrag){if(this.options.sort&&(n.captureAnimationState(),this.options.animation)){se.forEach(function(t){t!==re&&R(t,"position","absolute")});var o=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&S(t,o)}),ue=de=!0}n.animateAll(function(){ue=de=!1,e.options.animation&&se.forEach(function(t){C(t)}),e.options.sort&&pe()})}},dragOver:function(t){var e=t.target,n=t.completed,o=t.cancel;de&&~se.indexOf(e)&&(n(!1),o())},revert:function(t){var e=t.fromSortable,n=t.rootEl,o=t.sortable,i=t.dragRect;1<se.length&&(se.forEach(function(t){o.addAnimationState({target:t,rect:de?X(t):i}),C(t),t.fromRect=i,e.removeAnimationState(t)}),de=!1,function(o,i){se.forEach(function(t,e){var n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}(!this.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,i=t.activeSortable,r=t.parentEl,a=t.putSortable,l=this.options;if(o){if(n&&i._hideClone(),ue=!1,l.animation&&1<se.length&&(de||!n&&!i.options.sort&&!a)){var s=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&(S(t,s),r.appendChild(t))}),de=!0}if(!n)if(de||pe(),1<se.length){var c=le;i._showClone(e),i.options.animation&&!le&&c&&ce.forEach(function(t){i.addAnimationState({target:t,rect:ae}),t.fromRect=ae,t.thisAnimationDuration=null})}else i._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(se.forEach(function(t){t.thisAnimationDuration=null}),o.options.animation&&!n&&o.multiDrag.isMultiDrag){ae=a({},e);var i=v(re,!0);ae.top-=i.f,ae.left-=i.e}},dragOverAnimationComplete:function(){de&&(de=!1,pe())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=this.options,u=o.children;if(!he)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(re,c.selectedClass,!~se.indexOf(re)),~se.indexOf(re))se.splice(se.indexOf(re),1),oe=null,A({sortable:i,rootEl:n,name:"deselect",targetEl:re,originalEvt:e});else{if(se.push(re),A({sortable:i,rootEl:n,name:"select",targetEl:re,originalEvt:e}),e.shiftKey&&oe&&i.el.contains(oe)){var d,h,f=F(oe),p=F(re);if(~f&&~p&&f!==p)for(d=f<p?(h=f,p):(h=p,f+1);h<d;h++)~se.indexOf(u[h])||(k(u[h],c.selectedClass,!0),se.push(u[h]),A({sortable:i,rootEl:n,name:"select",targetEl:u[h],originalEvt:e}))}else oe=re;ie=s}if(he&&this.isMultiDrag){if((o[j].options.sort||o!==n)&&1<se.length){var g=X(re),v=F(re,":not(."+this.options.selectedClass+")");if(!ue&&c.animation&&(re.thisAnimationDuration=null),s.captureAnimationState(),!ue&&(c.animation&&(re.fromRect=g,se.forEach(function(t){if(t.thisAnimationDuration=null,t!==re){var e=de?X(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}})),pe(),se.forEach(function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++}),a===F(re))){var m=!1;se.forEach(function(t){t.sortableIndex===F(t)||(m=!0)}),m&&r("update")}se.forEach(function(t){C(t)}),s.animateAll()}ie=s}(n===o||l&&"clone"!==l.lastPutMode)&&ce.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=he=!1,ce.length=0},destroyGlobal:function(){this._deselectMultiDrag(),d(document,"pointerup",this._deselectMultiDrag),d(document,"mouseup",this._deselectMultiDrag),d(document,"touchend",this._deselectMultiDrag),d(document,"keydown",this._checkKeyDown),d(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!he&&ie===this.sortable&&!(t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;se.length;){var e=se[0];k(e,this.options.selectedClass,!1),se.shift(),A({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~se.indexOf(t)&&(ie&&ie!==e&&(ie.multiDrag._deselectMultiDrag(),ie=e),k(t,e.options.selectedClass,!0),se.push(t))},deselect:function(t){var e=t.parentNode[j],n=se.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),se.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return se.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=de&&t!==re?-1:de?F(t,":not(."+n.options.selectedClass+")"):F(t),i.push({multiDragElement:t,index:e})}),{items:e(se),clones:[].concat(ce),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Rt});
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t=this.el.ownerDocument;d(t,"mouseup",this._disableDelayedDrag),d(t,"touchend",this._disableDelayedDrag),d(t,"touchcancel",this._disableDelayedDrag),d(t,"mousemove",this._delayedDragTouchMoveHandler),d(t,"touchmove",this._delayedDragTouchMoveHandler),d(t,"pointermove",this._delayedDragTouchMoveHandler)},_triggerDragStart:function(t,e){e=e||"touch"==t.pointerType&&t,!this.nativeDraggable||e?this.options.supportPointer?u(document,"pointermove",this._onTouchMove):u(document,e?"touchmove":"mousemove",this._onTouchMove):(u(z,"dragend",this),u(q,"dragstart",this._onDragStart));try{document.selection?Ht(function(){document.selection.empty()}):window.getSelection().removeAllRanges()}catch(t){}},_dragStarted:function(t,e){if(vt=!1,q&&z){K("dragStarted",this,{evt:e}),this.nativeDraggable&&u(document,"dragover",kt);var n=this.options;t||k(z,n.dragClass,!1),k(z,n.ghostClass,!0),Rt.active=this,t&&this._appendGhost(),W({sortable:this,name:"start",originalEvent:e})}else this._nulling()},_emulateDragOver:function(){if(at){this._lastX=at.clientX,this._lastY=at.clientY,Nt();for(var t=document.elementFromPoint(at.clientX,at.clientY),e=t;t&&t.shadowRoot&&(t=t.shadowRoot.elementFromPoint(at.clientX,at.clientY))!==e;)e=t;if(z.parentNode[j]._isOutsideThisEl(t),e)do{if(e[j]){if(e[j]._onDragOver({clientX:at.clientX,clientY:at.clientY,target:t,rootEl:e})&&!this.options.dragoverBubble)break}t=e}while(e=e.parentNode);It()}},_onTouchMove:function(t){if(rt){var e=this.options,n=e.fallbackTolerance,o=e.fallbackOffset,i=t.touches?t.touches[0]:t,r=U&&v(U,!0),a=U&&r&&r.a,l=U&&r&&r.d,s=Ct&&gt&&b(gt),c=(i.clientX-rt.clientX+o.x)/(a||1)+(s?s[0]-Et[0]:0)/(a||1),u=(i.clientY-rt.clientY+o.y)/(l||1)+(s?s[1]-Et[1]:0)/(l||1);if(!Rt.active&&!vt){if(n&&Math.max(Math.abs(i.clientX-this._lastX),Math.abs(i.clientY-this._lastY))<n)return;this._onDragStart(t,!0)}if(U){r?(r.e+=c-(lt||0),r.f+=u-(st||0)):r={a:1,b:0,c:0,d:1,e:c,f:u};var 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t=this.options.fallbackOnBody?document.body:q,e=X(z,!0,Ct,!0,t),n=this.options;if(Ct){for(gt=t;"static"===R(gt,"position")&&"none"===R(gt,"transform")&&gt!==document;)gt=gt.parentNode;gt!==document.body&&gt!==document.documentElement?(gt===document&&(gt=N()),e.top+=gt.scrollTop,e.left+=gt.scrollLeft):gt=N(),Et=b(gt)}k(U=z.cloneNode(!0),n.ghostClass,!1),k(U,n.fallbackClass,!0),k(U,n.dragClass,!0),R(U,"transition",""),R(U,"transform",""),R(U,"box-sizing","border-box"),R(U,"margin",0),R(U,"top",e.top),R(U,"left",e.left),R(U,"width",e.width),R(U,"height",e.height),R(U,"opacity","0.8"),R(U,"position",Ct?"absolute":"fixed"),R(U,"zIndex","100000"),R(U,"pointerEvents","none"),Rt.ghost=U,t.appendChild(U),R(U,"transform-origin",ct/parseInt(U.style.width)*100+"% "+ut/parseInt(U.style.height)*100+"%")}},_onDragStart:function(t,e){var n=this,o=t.dataTransfer,i=n.options;K("dragStart",this,{evt:t}),Rt.eventCanceled?this._onDrop():(K("setupClone",this),Rt.eventCanceled||((Q=S(z)).draggable=!1,Q.style["will-change"]="",this._hideClone(),k(Q,this.options.chosenClass,!1),Rt.clone=Q),n.cloneId=Ht(function(){K("clone",n),Rt.eventCanceled||(n.options.removeCloneOnHide||q.insertBefore(Q,z),n._hideClone(),W({sortable:n,name:"clone"}))}),e||k(z,i.dragClass,!0),e?(mt=!0,n._loopId=setInterval(n._emulateDragOver,50)):(d(document,"mouseup",n._onDrop),d(document,"touchend",n._onDrop),d(document,"touchcancel",n._onDrop),o&&(o.effectAllowed="move",i.setData&&i.setData.call(n,o,z)),u(document,"drop",n),R(z,"transform","translateZ(0)")),vt=!0,n._dragStartId=Ht(n._dragStarted.bind(n,e,t)),u(document,"selectstart",n),dt=!0,s&&R(document.body,"user-select","none"))},_onDragOver:function(n){var o,i,r,a,l=this.el,s=n.target,e=this.options,t=e.group,c=Rt.active,u=ot===t,d=e.sort,h=it||c,f=this,p=!1;if(!Dt){if(void 0!==n.preventDefault&&n.cancelable&&n.preventDefault(),s=P(s,e.draggable,l,!0),M("dragOver"),Rt.eventCanceled)return p;if(z.contains(n.target)||s.animated&&s.animatingX&&s.animatingY||f._ignoreWhileAnimating===s)return A(!1);if(mt=!1,c&&!e.disabled&&(u?d||(r=!q.contains(z)):it===this||(this.lastPutMode=ot.checkPull(this,c,z,n))&&t.checkPut(this,c,z,n))){if(a="vertical"===this._getDirection(n,s),o=X(z),M("dragOverValid"),Rt.eventCanceled)return p;if(r)return G=q,O(),this._hideClone(),M("revert"),Rt.eventCanceled||(V?q.insertBefore(z,V):q.appendChild(z)),A(!0);var g=B(l,e.draggable);if(!g||function(t,e,n){var o=X(B(n.el,n.options.draggable));return e?t.clientX>o.right+10||t.clientX<=o.right&&t.clientY>o.bottom&&t.clientX>=o.left:t.clientX>o.right&&t.clientY>o.top||t.clientX<=o.right&&t.clientY>o.bottom+10}(n,a,this)&&!g.animated){if(g===z)return A(!1);if(g&&l===n.target&&(s=g),s&&(i=X(s)),!1!==Xt(q,l,z,o,s,i,n,!!s))return O(),l.appendChild(z),G=l,N(),A(!0)}else 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n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}function pe(){se.forEach(function(t){t!==re&&t.parentNode&&t.parentNode.removeChild(t)})}return Rt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){var e=t.originalEvent;this.sortable.nativeDraggable?u(document,"dragover",this._handleAutoScroll):this.options.supportPointer?u(document,"pointermove",this._handleFallbackAutoScroll):e.touches?u(document,"touchmove",this._handleFallbackAutoScroll):u(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){var e=t.originalEvent;this.options.dragOverBubble||e.rootEl||this._handleAutoScroll(e)},drop:function(){this.sortable.nativeDraggable?d(document,"dragover",this._handleAutoScroll):(d(document,"pointermove",this._handleFallbackAutoScroll),d(document,"touchmove",this._handleFallbackAutoScroll),d(document,"mousemove",this._handleFallbackAutoScroll)),Qt(),Zt(),clearTimeout(f),f=void 0},nulling:function(){Gt=Kt=jt=Vt=Ut=Wt=zt=null,qt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o=this,i=(e.touches?e.touches[0]:e).clientX,r=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(i,r);if(Gt=e,n||E||w||s){te(e,this.options,t,n);var a=H(t,!0);!Vt||Ut&&i===Wt&&r===zt||(Ut&&Qt(),Ut=setInterval(function(){var t=H(document.elementFromPoint(i,r),!0);t!==a&&(a=t,Zt()),te(e,o.options,t,n)},10),Wt=i,zt=r)}else{if(!this.options.bubbleScroll||H(t,!0)===N())return void Zt();te(e,this.options,H(t,!1),!1)}}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Rt.mount(ne,ee),Rt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){var e=t.dragEl;Jt=e},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;if(i.options.swap){var l=this.sortable.el,s=this.options;if(n&&n!==l){var c=Jt;Jt=!1!==o(n)?(k(n,s.swapClass,!0),n):null,c&&c!==Jt&&k(c,s.swapClass,!1)}r(),e(!0),a()}},drop:function(t){var e=t.activeSortable,n=t.putSortable,o=t.dragEl,i=n||this.sortable,r=this.options;Jt&&k(Jt,r.swapClass,!1),Jt&&(r.swap||n&&n.options.swap)&&o!==Jt&&(i.captureAnimationState(),i!==e&&e.captureAnimationState(),function(t,e){var n,o,i=t.parentNode,r=e.parentNode;if(!i||!r||i.isEqualNode(e)||r.isEqualNode(t))return;n=F(t),o=F(e),i.isEqualNode(r)&&n<o&&o++;i.insertBefore(e,i.children[n]),r.insertBefore(t,r.children[o])}(o,Jt),i.animateAll(),i!==e&&e.animateAll())},nulling:function(){Jt=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:Jt}}})}),Rt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.supportPointer?u(document,"pointerup",this._deselectMultiDrag):(u(document,"mouseup",this._deselectMultiDrag),u(document,"touchend",this._deselectMultiDrag)),u(document,"keydown",this._checkKeyDown),u(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,setData:function(t,e){var n="";se.length&&ie===o?se.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;re=e},delayEnded:function(){this.isMultiDrag=~se.indexOf(re)},setupClone:function(t){var e=t.sortable,n=t.cancel;if(this.isMultiDrag){for(var o=0;o<se.length;o++)ce.push(S(se[o])),ce[o].sortableIndex=se[o].sortableIndex,ce[o].draggable=!1,ce[o].style["will-change"]="",k(ce[o],this.options.selectedClass,!1),se[o]===re&&k(ce[o],this.options.chosenClass,!1);e._hideClone(),n()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,i=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||se.length&&ie===e&&(fe(!0,n),o("clone"),i()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,o=t.cancel;this.isMultiDrag&&(fe(!1,n),ce.forEach(function(t){R(t,"display","")}),e(),le=!1,o())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),o=t.cancel;this.isMultiDrag&&(ce.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),le=!0,o())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ie&&ie.multiDrag._deselectMultiDrag(),se.forEach(function(t){t.sortableIndex=F(t)}),se=se.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),he=!0},dragStarted:function(t){var e=this,n=t.sortable;if(this.isMultiDrag){if(this.options.sort&&(n.captureAnimationState(),this.options.animation)){se.forEach(function(t){t!==re&&R(t,"position","absolute")});var o=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&_(t,o)}),ue=de=!0}n.animateAll(function(){ue=de=!1,e.options.animation&&se.forEach(function(t){C(t)}),e.options.sort&&pe()})}},dragOver:function(t){var e=t.target,n=t.completed,o=t.cancel;de&&~se.indexOf(e)&&(n(!1),o())},revert:function(t){var e=t.fromSortable,n=t.rootEl,o=t.sortable,i=t.dragRect;1<se.length&&(se.forEach(function(t){o.addAnimationState({target:t,rect:de?X(t):i}),C(t),t.fromRect=i,e.removeAnimationState(t)}),de=!1,function(o,i){se.forEach(function(t,e){var n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}(!this.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,i=t.activeSortable,r=t.parentEl,a=t.putSortable,l=this.options;if(o){if(n&&i._hideClone(),ue=!1,l.animation&&1<se.length&&(de||!n&&!i.options.sort&&!a)){var s=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&(_(t,s),r.appendChild(t))}),de=!0}if(!n)if(de||pe(),1<se.length){var c=le;i._showClone(e),i.options.animation&&!le&&c&&ce.forEach(function(t){i.addAnimationState({target:t,rect:ae}),t.fromRect=ae,t.thisAnimationDuration=null})}else i._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(se.forEach(function(t){t.thisAnimationDuration=null}),o.options.animation&&!n&&o.multiDrag.isMultiDrag){ae=a({},e);var i=v(re,!0);ae.top-=i.f,ae.left-=i.e}},dragOverAnimationComplete:function(){de&&(de=!1,pe())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=this.options,u=o.children;if(!he)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(re,c.selectedClass,!~se.indexOf(re)),~se.indexOf(re))se.splice(se.indexOf(re),1),oe=null,A({sortable:i,rootEl:n,name:"deselect",targetEl:re,originalEvt:e});else{if(se.push(re),A({sortable:i,rootEl:n,name:"select",targetEl:re,originalEvt:e}),e.shiftKey&&oe&&i.el.contains(oe)){var d,h,f=F(oe),p=F(re);if(~f&&~p&&f!==p)for(d=f<p?(h=f,p):(h=p,f+1);h<d;h++)~se.indexOf(u[h])||(k(u[h],c.selectedClass,!0),se.push(u[h]),A({sortable:i,rootEl:n,name:"select",targetEl:u[h],originalEvt:e}))}else oe=re;ie=s}if(he&&this.isMultiDrag){if((o[j].options.sort||o!==n)&&1<se.length){var g=X(re),v=F(re,":not(."+this.options.selectedClass+")");if(!ue&&c.animation&&(re.thisAnimationDuration=null),s.captureAnimationState(),!ue&&(c.animation&&(re.fromRect=g,se.forEach(function(t){if(t.thisAnimationDuration=null,t!==re){var e=de?X(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}})),pe(),se.forEach(function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++}),a===F(re))){var m=!1;se.forEach(function(t){t.sortableIndex===F(t)||(m=!0)}),m&&r("update")}se.forEach(function(t){C(t)}),s.animateAll()}ie=s}(n===o||l&&"clone"!==l.lastPutMode)&&ce.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=he=!1,ce.length=0},destroyGlobal:function(){this._deselectMultiDrag(),d(document,"pointerup",this._deselectMultiDrag),d(document,"mouseup",this._deselectMultiDrag),d(document,"touchend",this._deselectMultiDrag),d(document,"keydown",this._checkKeyDown),d(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==he&&he||ie!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;se.length;){var e=se[0];k(e,this.options.selectedClass,!1),se.shift(),A({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~se.indexOf(t)&&(ie&&ie!==e&&(ie.multiDrag._deselectMultiDrag(),ie=e),k(t,e.options.selectedClass,!0),se.push(t))},deselect:function(t){var e=t.parentNode[j],n=se.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),se.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return se.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=de&&t!==re?-1:de?F(t,":not(."+n.options.selectedClass+")"):F(t),i.push({multiDragElement:t,index:e})}),{items:e(se),clones:[].concat(ce),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Rt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 17f1e4638..9d60bc0af 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.1
+ * Sortable 1.10.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.1";
+var version = "1.10.2";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -260,7 +260,7 @@ function matrix(el, selfOnly) {
     } while (!selfOnly && (el = el.parentNode));
   }
 
-  var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
+  var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
   /*jshint -W056 */
 
   return matrixFn && new matrixFn(appliedTransforms);
@@ -285,10 +285,12 @@ function find(ctx, tagName, iterator) {
 }
 
 function getWindowScrollingElement() {
-  if (IE11OrLess) {
-    return document.documentElement;
+  var scrollingElement = document.scrollingElement;
+
+  if (scrollingElement) {
+    return scrollingElement;
   } else {
-    return document.scrollingElement;
+    return document.documentElement;
   }
 }
 /**
@@ -1625,7 +1627,7 @@ Sortable.prototype =
           fallbackTolerance = options.fallbackTolerance,
           fallbackOffset = options.fallbackOffset,
           touch = evt.touches ? evt.touches[0] : evt,
-          ghostMatrix = ghostEl && matrix(ghostEl),
+          ghostMatrix = ghostEl && matrix(ghostEl, true),
           scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
           scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
           relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
@@ -2130,6 +2132,8 @@ Sortable.prototype =
       css(document.body, 'user-select', '');
     }
 
+    css(dragEl, 'transform', '');
+
     if (evt) {
       if (moved) {
         evt.cancelable && evt.preventDefault();
@@ -2394,6 +2398,8 @@ Sortable.prototype =
 
     this._onDrop();
 
+    this._disableDelayedDragEvents();
+
     sortables.splice(sortables.indexOf(this.el), 1);
     this.el = el = null;
   },
@@ -3534,7 +3540,7 @@ function MultiDragPlugin() {
       off(document, 'keyup', this._checkKeyUp);
     },
     _deselectMultiDrag: function _deselectMultiDrag(evt) {
-      if (dragStarted) return; // Only deselect if selection is in this sortable
+      if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
 
       if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 48852e2f4..6e6d13829 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.1
+ * Sortable 1.10.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.1";
+var version = "1.10.2";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -260,7 +260,7 @@ function matrix(el, selfOnly) {
     } while (!selfOnly && (el = el.parentNode));
   }
 
-  var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
+  var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
   /*jshint -W056 */
 
   return matrixFn && new matrixFn(appliedTransforms);
@@ -285,10 +285,12 @@ function find(ctx, tagName, iterator) {
 }
 
 function getWindowScrollingElement() {
-  if (IE11OrLess) {
-    return document.documentElement;
+  var scrollingElement = document.scrollingElement;
+
+  if (scrollingElement) {
+    return scrollingElement;
   } else {
-    return document.scrollingElement;
+    return document.documentElement;
   }
 }
 /**
@@ -1625,7 +1627,7 @@ Sortable.prototype =
           fallbackTolerance = options.fallbackTolerance,
           fallbackOffset = options.fallbackOffset,
           touch = evt.touches ? evt.touches[0] : evt,
-          ghostMatrix = ghostEl && matrix(ghostEl),
+          ghostMatrix = ghostEl && matrix(ghostEl, true),
           scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
           scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
           relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
@@ -2130,6 +2132,8 @@ Sortable.prototype =
       css(document.body, 'user-select', '');
     }
 
+    css(dragEl, 'transform', '');
+
     if (evt) {
       if (moved) {
         evt.cancelable && evt.preventDefault();
@@ -2394,6 +2398,8 @@ Sortable.prototype =
 
     this._onDrop();
 
+    this._disableDelayedDragEvents();
+
     sortables.splice(sortables.indexOf(this.el), 1);
     this.el = el = null;
   },
@@ -3536,7 +3542,7 @@ function MultiDragPlugin() {
       off(document, 'keyup', this._checkKeyUp);
     },
     _deselectMultiDrag: function _deselectMultiDrag(evt) {
-      if (dragStarted) return; // Only deselect if selection is in this sortable
+      if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
 
       if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 0104e85df..f8a64b180 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.1
+ * Sortable 1.10.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.1";
+var version = "1.10.2";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -260,7 +260,7 @@ function matrix(el, selfOnly) {
     } while (!selfOnly && (el = el.parentNode));
   }
 
-  var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix;
+  var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
   /*jshint -W056 */
 
   return matrixFn && new matrixFn(appliedTransforms);
@@ -285,10 +285,12 @@ function find(ctx, tagName, iterator) {
 }
 
 function getWindowScrollingElement() {
-  if (IE11OrLess) {
-    return document.documentElement;
+  var scrollingElement = document.scrollingElement;
+
+  if (scrollingElement) {
+    return scrollingElement;
   } else {
-    return document.scrollingElement;
+    return document.documentElement;
   }
 }
 /**
@@ -1625,7 +1627,7 @@ Sortable.prototype =
           fallbackTolerance = options.fallbackTolerance,
           fallbackOffset = options.fallbackOffset,
           touch = evt.touches ? evt.touches[0] : evt,
-          ghostMatrix = ghostEl && matrix(ghostEl),
+          ghostMatrix = ghostEl && matrix(ghostEl, true),
           scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
           scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
           relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
@@ -2130,6 +2132,8 @@ Sortable.prototype =
       css(document.body, 'user-select', '');
     }
 
+    css(dragEl, 'transform', '');
+
     if (evt) {
       if (moved) {
         evt.cancelable && evt.preventDefault();
@@ -2394,6 +2398,8 @@ Sortable.prototype =
 
     this._onDrop();
 
+    this._disableDelayedDragEvents();
+
     sortables.splice(sortables.indexOf(this.el), 1);
     this.el = el = null;
   },
@@ -3534,7 +3540,7 @@ function MultiDragPlugin() {
       off(document, 'keyup', this._checkKeyUp);
     },
     _deselectMultiDrag: function _deselectMultiDrag(evt) {
-      if (dragStarted) return; // Only deselect if selection is in this sortable
+      if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
 
       if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
 
diff --git a/package.json b/package.json
index d19fb7003..434473690 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.10.1",
+	"version": "1.10.2",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From ed7042acfc8931fbbf9e196a52306fee1e1a5193 Mon Sep 17 00:00:00 2001
From: xyx <xyx>
Date: Tue, 28 Jan 2020 22:52:50 +0900
Subject: [PATCH 27/94] Minor fix for IE compatibility in st/app.js UI of
 thresholds demo

---
 st/app.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/st/app.js b/st/app.js
index 3c9e93d06..c29177ed0 100644
--- a/st/app.js
+++ b/st/app.js
@@ -102,7 +102,7 @@ var example7SizeProperty = 'width';
 
 function renderThresholdWidth(evt) {
 	example7SwapThreshold = Number(evt.target.value);
-	example7SwapThresholdCode.innerHTML = evt.target.value.indexOf('.') > -1 ? evt.target.value.padEnd(4, '0') : evt.target.value;
+	example7SwapThresholdCode.innerHTML = evt.target.value.indexOf('.') > -1 ? (evt.target.value + '0000').slice(0, 4) : evt.target.value;
 
 	for (var i = 0; i < activeIndicators.length; i++) {
 		activeIndicators[i].style[example7SizeProperty] = (evt.target.value * 100) /
@@ -113,8 +113,9 @@ function renderThresholdWidth(evt) {
 }
 
 example7SwapThresholdInput.addEventListener('input', renderThresholdWidth);
+example7SwapThresholdInput.addEventListener('change', renderThresholdWidth);
 
-example7InvertSwapInput.addEventListener('input', function(evt) {
+example7InvertSwapInput.addEventListener('change', function(evt) {
 	example7Sortable.option('invertSwap', evt.target.checked);
 
 
@@ -180,7 +181,7 @@ function renderDirection(evt) {
 		target: example7SwapThresholdInput
 	});
 }
-example7DirectionInput.addEventListener('input', renderDirection);
+example7DirectionInput.addEventListener('change', renderDirection);
 
 renderDirection({
 	target: example7DirectionInput

From 901c5b22b7ffaff23751cf820dd4fc2eda4fb4b0 Mon Sep 17 00:00:00 2001
From: owen <owen23355@gmail.com>
Date: Sun, 16 Feb 2020 18:22:11 -0500
Subject: [PATCH 28/94] update example

---
 index.html | 5 +++--
 st/app.js  | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/index.html b/index.html
index b52fe5850..35264911d 100644
--- a/index.html
+++ b/index.html
@@ -364,8 +364,9 @@ <h4 class="col-12">MultiDrag</h4>
 			</div>
 			<div style="padding: 0" class="col-12">
 <pre class="prettyprint">new Sortable(multiDragDemo, {
-	multiDrag: true, // Enable multi-drag
-	selectedClass: 'selected', // The class applied to the selected items
+	multiDrag: true,
+	selectedClass: 'selected',
+	fallbackTolerance: 3, // So that we can select items on mobile
 	animation: 150
 });</pre>
 			</div>
diff --git a/st/app.js b/st/app.js
index c29177ed0..a4853f3ec 100644
--- a/st/app.js
+++ b/st/app.js
@@ -211,6 +211,7 @@ for (var i = 0; i < nestedSortables.length; i++) {
 new Sortable(multiDragDemo, {
 	multiDrag: true,
 	selectedClass: 'selected',
+	fallbackTolerance: 3, // So that we can select items on mobile
 	animation: 150
 });
 

From 44972f429654de913c6fda288fe71ab985466580 Mon Sep 17 00:00:00 2001
From: Dragomir Denev <ddenev@gmail.com>
Date: Sat, 7 Mar 2020 17:50:01 +0200
Subject: [PATCH 29/94] Fixed a typo in the description of the 'closest' method

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index cc06e8223..956564bae 100644
--- a/README.md
+++ b/README.md
@@ -555,7 +555,7 @@ Get or set the option.
 
 
 
-##### closest(el:`String`[, selector:`HTMLElement`]):`HTMLElement|null`
+##### closest(el:`HTMLElement`[, selector:`String`]):`HTMLElement|null`
 For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
 
 

From c724964869515c7c4cd50c491461eb45e15a8197 Mon Sep 17 00:00:00 2001
From: RomualdoGrillo <rom.grillo@gmail.com>
Date: Sat, 4 Apr 2020 12:25:10 +0200
Subject: [PATCH 30/94] Solves "inser Before" issue on nested lists
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

That solves an issue with nested sortables.
example of error https://codepen.io/romualdogrillo/pen/jOPoRJe
An error appears when all following conditions are met:
1)You have two nested sortable containers
2)option “pull:clone” i set at least on the parent container
3)You drag an item from the parent container into the nested container

The item is moved but not cloned and you get the error:
“Failed to execute 'insertBefore' on 'Node': The node before which the new node is to be inserted”
---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 7a096301d..89b3a20e4 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1692,7 +1692,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			if (Sortable.eventCanceled) return;
 
 			// show clone at dragEl or original position
-			if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
+			if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
 				rootEl.insertBefore(cloneEl, dragEl);
 			} else if (nextEl) {
 				rootEl.insertBefore(cloneEl, nextEl);

From 4427db5485965c24de2d2bbebf07f123585cb94a Mon Sep 17 00:00:00 2001
From: Wayne Van Son <waynevspersonal@gmail.com>
Date: Mon, 13 Apr 2020 22:23:32 +1000
Subject: [PATCH 31/94] creates new github issue templates

---
 .github/bug-report.md      | 33 +++++++++++++++++++++++++++++++++
 .github/custom-template.md |  7 +++++++
 .github/feature-request.md | 19 +++++++++++++++++++
 3 files changed, 59 insertions(+)
 create mode 100644 .github/bug-report.md
 create mode 100644 .github/custom-template.md
 create mode 100644 .github/feature-request.md

diff --git a/.github/bug-report.md b/.github/bug-report.md
new file mode 100644
index 000000000..3d7891a66
--- /dev/null
+++ b/.github/bug-report.md
@@ -0,0 +1,33 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: "[bug] "
+labels: ""
+assignees: ""
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Information**
+This is required. Issues without this critical information will be closed.
+
+Versions - Look in your `package.json` for this information:
+react-sortable = ^x.x.x
+react = ^x.x.x
+
+**Additional context**
+Add any other context about the problem here.
+
+Please provide examples, screenshots or a code sandbox for faster resolution times.
diff --git a/.github/custom-template.md b/.github/custom-template.md
new file mode 100644
index 000000000..15257d99b
--- /dev/null
+++ b/.github/custom-template.md
@@ -0,0 +1,7 @@
+---
+name: Custom issue template
+about: Not a feature request or a bug report. Usually questions, queries or concerns
+title: ""
+labels: ""
+assignees: ""
+---
diff --git a/.github/feature-request.md b/.github/feature-request.md
new file mode 100644
index 000000000..718170cdc
--- /dev/null
+++ b/.github/feature-request.md
@@ -0,0 +1,19 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: "[feature] "
+labels: ""
+assignees: ""
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

From f959618fb1b45384ea7b5a5784b59460277215aa Mon Sep 17 00:00:00 2001
From: Wayne Van Son <waynevspersonal@gmail.com>
Date: Mon, 13 Apr 2020 22:42:31 +1000
Subject: [PATCH 32/94] adds message with links to issue and codesandbox

---
 .github/bug-report.md      | 52 +++++++++++++++++++++++++++++++++-----
 .github/custom-template.md | 41 ++++++++++++++++++++++++++++++
 .github/feature-request.md | 22 ++++++++++++++++
 3 files changed, 109 insertions(+), 6 deletions(-)

diff --git a/.github/bug-report.md b/.github/bug-report.md
index 3d7891a66..53a033cfd 100644
--- a/.github/bug-report.md
+++ b/.github/bug-report.md
@@ -6,8 +6,31 @@ labels: ""
 assignees: ""
 ---
 
+<!--
+
+PLEASE READ BEFORE POSTING YOUR ISSUE!
+
+If your issue is related to a framework or @types/sortablejs,
+please post an issue on it's relevant repository instead:
+
+- Angular
+  - 2.0+: https://github.com/SortableJS/angular-sortablejs/issues
+  - legacy: https://github.com/SortableJS/angular-legacy-sortablejs/issues
+- React
+  - ES2015+: https://github.com/SortableJS/react-sortablejs/issues
+  - mixin: https://github.com/SortableJS/react-mixin-sortablejs/issues
+- Polymer: https://github.com/SortableJS/polymer-sortablejs/issues
+- Knockout: https://github.com/SortableJS/knockout-sortablejs/issues
+- Meteor: https://github.com/SortableJS/meteor-sortablejs/issues
+
+
+If it is a bug found from using one of these, please link to the related issue.
+
+-->
+
 **Describe the bug**
-A clear and concise description of what the bug is.
+
+<!-- A clear and concise description of what the bug is. -->
 
 **To Reproduce**
 Steps to reproduce the behavior:
@@ -18,16 +41,33 @@ Steps to reproduce the behavior:
 4. See error
 
 **Expected behavior**
-A clear and concise description of what you expected to happen.
+
+<!-- A clear and concise description of what you expected to happen. -->
 
 **Information**
-This is required. Issues without this critical information will be closed.
+
+<!-- This is required. Issues without this critical information will be closed. -->
 
 Versions - Look in your `package.json` for this information:
-react-sortable = ^x.x.x
-react = ^x.x.x
+sortablejs = ^x.x.x
+@types/sortablejs = ^x.x.x
 
 **Additional context**
 Add any other context about the problem here.
 
-Please provide examples, screenshots or a code sandbox for faster resolution times.
+**Reproduction**
+codesandbox: <your_url_here>
+
+<!--
+
+Providing a codesandbox really helps us understand your issue.
+Bugs with codesandboxes attached are likely to be resolved more quickly than others.
+
+Once you've created a public codesandbox, please paste a link in here
+
+Here are some templates to get you started.
+
+- Javascript: https://codesandbox.io/s/sortablejs-javascript-jy3tl?file=/src/index.js
+- Typescript: https://codesandbox.io/s/sortablejs-typescript-6it9n?file=/src/index.ts
+
+-->
diff --git a/.github/custom-template.md b/.github/custom-template.md
index 15257d99b..14e2a2239 100644
--- a/.github/custom-template.md
+++ b/.github/custom-template.md
@@ -5,3 +5,44 @@ title: ""
 labels: ""
 assignees: ""
 ---
+
+**Custom**
+
+<!--
+
+PLEASE READ BEFORE POSTING YOUR ISSUE!
+
+If your issue is related to a framework or @types/sortablejs,
+please post an issue on it's relevant repository instead:
+
+- Angular
+  - 2.0+: https://github.com/SortableJS/angular-sortablejs/issues
+  - legacy: https://github.com/SortableJS/angular-legacy-sortablejs/issues
+- React
+  - ES2015+: https://github.com/SortableJS/react-sortablejs/issues
+  - mixin: https://github.com/SortableJS/react-mixin-sortablejs/issues
+- Polymer: https://github.com/SortableJS/polymer-sortablejs/issues
+- Knockout: https://github.com/SortableJS/knockout-sortablejs/issues
+- Meteor: https://github.com/SortableJS/meteor-sortablejs/issues
+
+
+If it is a bug found from using one of these, please link to the related issue.
+
+-->
+
+**Reproduction**
+codesandbox: <your_url_here>
+
+<!--
+
+Providing a codesandbox really helps us understand your issue.
+Bugs with codesandboxes attached are likely to be resolved more quickly than others.
+
+Once you've created a public codesandbox, please paste a link in here
+
+Here are some templates to get you started.
+
+- Javascript: https://codesandbox.io/s/sortablejs-javascript-jy3tl?file=/src/index.js
+- Typescript: https://codesandbox.io/s/sortablejs-typescript-6it9n?file=/src/index.ts
+
+-->
diff --git a/.github/feature-request.md b/.github/feature-request.md
index 718170cdc..a0bbb57d0 100644
--- a/.github/feature-request.md
+++ b/.github/feature-request.md
@@ -6,6 +6,28 @@ labels: ""
 assignees: ""
 ---
 
+<!--
+
+PLEASE READ BEFORE POSTING YOUR ISSUE!
+
+If your issue is related to a framework or @types/sortablejs,
+please post an issue on it's relevant repository instead:
+
+- Angular
+  - 2.0+: https://github.com/SortableJS/angular-sortablejs/issues
+  - legacy: https://github.com/SortableJS/angular-legacy-sortablejs/issues
+- React
+  - ES2015+: https://github.com/SortableJS/react-sortablejs/issues
+  - mixin: https://github.com/SortableJS/react-mixin-sortablejs/issues
+- Polymer: https://github.com/SortableJS/polymer-sortablejs/issues
+- Knockout: https://github.com/SortableJS/knockout-sortablejs/issues
+- Meteor: https://github.com/SortableJS/meteor-sortablejs/issues
+
+
+If it is a bug found from using one of these, please link to the related issue.
+
+-->
+
 **Is your feature request related to a problem? Please describe.**
 A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
 

From 2f2d88020b2998d260e9b355966378d036e87861 Mon Sep 17 00:00:00 2001
From: Wayne Van Son <waynevspersonal@gmail.com>
Date: Mon, 13 Apr 2020 22:44:26 +1000
Subject: [PATCH 33/94] removes old issue template

---
 ISSUE_TEMPLATE.md | 24 ------------------------
 1 file changed, 24 deletions(-)
 delete mode 100644 ISSUE_TEMPLATE.md

diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
deleted file mode 100644
index a4ff620d3..000000000
--- a/ISSUE_TEMPLATE.md
+++ /dev/null
@@ -1,24 +0,0 @@
-#### Problem:
-
-
-
-#### JSBin/JSFiddle demonstrating the problem:
-
-
----
-Before you create an issue, check it:
-
- 1. Try [master](https://github.com/SortableJS/Sortable/tree/master/)-branch, perhaps the problem has been solved;
- 2. [Use the search](https://github.com/SortableJS/Sortable/search?q=problem), maybe we already have an answer;
- 3. If not found, create an example on [jsbin.com (draft)](http://jsbin.com/vojixek/edit?html,js,output) and describe the problem.
-
-Bindings:
- - Angular
-   - 2.0+: https://github.com/SortableJS/angular-sortablejs/issues
-   - legacy: https://github.com/SortableJS/angular-legacy-sortablejs/issues
- - React
-   - ES2015+: https://github.com/SortableJS/react-sortablejs/issues
-   - mixin: https://github.com/SortableJS/react-mixin-sortablejs/issues
- - Polymer: https://github.com/SortableJS/polymer-sortablejs/issues
- - Knockout: https://github.com/SortableJS/knockout-sortablejs/issues
- - Meteor: https://github.com/SortableJS/meteor-sortablejs/issues

From 49216127b747c22658a68c2da21c9950996366d7 Mon Sep 17 00:00:00 2001
From: Wayne Van Son <waynevspersonal@gmail.com>
Date: Mon, 13 Apr 2020 22:48:32 +1000
Subject: [PATCH 34/94] moves issue templates to the correct folder

---
 .github/{ => ISSUE_TEMPLATE}/bug-report.md      | 0
 .github/{ => ISSUE_TEMPLATE}/custom-template.md | 0
 .github/{ => ISSUE_TEMPLATE}/feature-request.md | 0
 3 files changed, 0 insertions(+), 0 deletions(-)
 rename .github/{ => ISSUE_TEMPLATE}/bug-report.md (100%)
 rename .github/{ => ISSUE_TEMPLATE}/custom-template.md (100%)
 rename .github/{ => ISSUE_TEMPLATE}/feature-request.md (100%)

diff --git a/.github/bug-report.md b/.github/ISSUE_TEMPLATE/bug-report.md
similarity index 100%
rename from .github/bug-report.md
rename to .github/ISSUE_TEMPLATE/bug-report.md
diff --git a/.github/custom-template.md b/.github/ISSUE_TEMPLATE/custom-template.md
similarity index 100%
rename from .github/custom-template.md
rename to .github/ISSUE_TEMPLATE/custom-template.md
diff --git a/.github/feature-request.md b/.github/ISSUE_TEMPLATE/feature-request.md
similarity index 100%
rename from .github/feature-request.md
rename to .github/ISSUE_TEMPLATE/feature-request.md

From 541e6c3217eb847fbdf9f057aff8d345b9a14986 Mon Sep 17 00:00:00 2001
From: Alexey Zuev <alexzuza@yandex.ru>
Date: Fri, 22 May 2020 08:19:21 +0400
Subject: [PATCH 35/94] Not tree-shake repaint function by compressors like
 terser

Closes #1658
---
 src/Animation.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Animation.js b/src/Animation.js
index 194799147..6aa8e3ef8 100644
--- a/src/Animation.js
+++ b/src/Animation.js
@@ -144,7 +144,7 @@ export default function AnimationStateManager() {
 
 				css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
 
-				repaint(target); // repaint
+				this.forRepaintDummy = repaint(target); // repaint
 
 				css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
 				css(target, 'transform', 'translate3d(0,0,0)');

From 8b1d76d23c41db494c5f5721871341afd6b3c2cf Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Tue, 29 Dec 2020 18:48:22 -0500
Subject: [PATCH 36/94] Error when mounting duplicate plugins

---
 src/PluginManager.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/PluginManager.js b/src/PluginManager.js
index 623c26f62..db0a0f238 100644
--- a/src/PluginManager.js
+++ b/src/PluginManager.js
@@ -12,6 +12,13 @@ export default {
 				plugin[option] = defaults[option];
 			}
 		}
+
+		plugins.forEach(p => {
+			if (p.pluginName === plugin.pluginName) {
+				throw (`Sortable: Cannot mount plugin ${ plugin.pluginName } more than once`);
+			}
+		});
+
 		plugins.push(plugin);
 	},
 	pluginEvent(eventName, sortable, evt) {

From 82711e10c8b9235d374ddde9e3a46cf66c9243ef Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Tue, 29 Dec 2020 21:23:25 -0500
Subject: [PATCH 37/94] Fix #1904

---
 src/utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils.js b/src/utils.js
index 5dcc81e6f..09a3ce02e 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -177,7 +177,7 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
 		height,
 		width;
 
-	if (el !== window && el !== getWindowScrollingElement()) {
+	if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
 		elRect = el.getBoundingClientRect();
 		top = elRect.top;
 		left = elRect.left;

From 84a9b609336af94e01c1e50a1711b950aedabeea Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Wed, 30 Dec 2020 11:52:49 -0500
Subject: [PATCH 38/94] #1878: fix onMove docs

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 956564bae..cb1218e42 100644
--- a/README.md
+++ b/README.md
@@ -220,6 +220,8 @@ var sortable = new Sortable(el, {
 		// return false; — for cancel
 		// return -1; — insert before target
 		// return 1; — insert after target
+		// return true; — keep default insertion point based on the direction
+		// return void; — keep default insertion point based on the direction
 	},
 
 	// Called when creating a clone of element

From cd2d6e2bb2b2f23a6f4463869e0ee24ffc08ff87 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Tue, 5 Jan 2021 21:55:52 -0500
Subject: [PATCH 39/94] Improve AutoScroll docs

---
 plugins/AutoScroll/README.md | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/plugins/AutoScroll/README.md b/plugins/AutoScroll/README.md
index 1d8bee6a0..946904877 100644
--- a/plugins/AutoScroll/README.md
+++ b/plugins/AutoScroll/README.md
@@ -49,9 +49,11 @@ Demo:
 
 
 #### `scrollFn` option
-Defines function that will be used for autoscrolling. el.scrollTop/el.scrollLeft is used by default.
 Useful when you have custom scrollbar with dedicated scroll function.
-This function should return `'continue'` if it wishes to allow Sortable's native autoscrolling.
+Defines a function that will be used for autoscrolling. Sortable uses el.scrollTop/el.scrollLeft by default. Set this option if you wish to handle it differently.
+This function should return `'continue'` if it wishes to allow Sortable's native autoscrolling, otherwise Sortable will not scroll anything if this option is set.
+
+**Note that this option will only work on all browsers/devices if Sortable's `forceFallback: true` option is set.**
 
 
 ---
@@ -60,6 +62,8 @@ This function should return `'continue'` if it wishes to allow Sortable's native
 #### `scrollSensitivity` option
 Defines how near the mouse must be to an edge to start scrolling.
 
+**Note that this option will only work on all browsers/devices if Sortable's `forceFallback: true` option is set.**
+
 
 ---
 
@@ -67,6 +71,8 @@ Defines how near the mouse must be to an edge to start scrolling.
 #### `scrollSpeed` option
 The speed at which the window should scroll once the mouse pointer gets within the `scrollSensitivity` distance.
 
+**Note that this option will only work on all browsers/devices if Sortable's `forceFallback: true` option is set.**
+
 
 ---
 

From 7408673c81d4676159d6b0ac3d91573b7e3e0359 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Tue, 5 Jan 2021 21:58:31 -0500
Subject: [PATCH 40/94] Further improve AutoScroll docs

---
 plugins/AutoScroll/README.md | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/plugins/AutoScroll/README.md b/plugins/AutoScroll/README.md
index 946904877..55e481144 100644
--- a/plugins/AutoScroll/README.md
+++ b/plugins/AutoScroll/README.md
@@ -53,7 +53,12 @@ Useful when you have custom scrollbar with dedicated scroll function.
 Defines a function that will be used for autoscrolling. Sortable uses el.scrollTop/el.scrollLeft by default. Set this option if you wish to handle it differently.
 This function should return `'continue'` if it wishes to allow Sortable's native autoscrolling, otherwise Sortable will not scroll anything if this option is set.
 
-**Note that this option will only work on all browsers/devices if Sortable's `forceFallback: true` option is set.**
+**Note that this option will only work if Sortable's autoscroll function is invoked.**
+
+It is invoked if any of the following are true:
+ - The `forceFallback: true` option is set
+ - It is a mobile device
+ - The browser is either Safari, Internet Explorer, or Edge
 
 
 ---
@@ -62,7 +67,12 @@ This function should return `'continue'` if it wishes to allow Sortable's native
 #### `scrollSensitivity` option
 Defines how near the mouse must be to an edge to start scrolling.
 
-**Note that this option will only work on all browsers/devices if Sortable's `forceFallback: true` option is set.**
+**Note that this option will only work if Sortable's autoscroll function is invoked.**
+
+It is invoked if any of the following are true:
+ - The `forceFallback: true` option is set
+ - It is a mobile device
+ - The browser is either Safari, Internet Explorer, or Edge
 
 
 ---
@@ -71,8 +81,12 @@ Defines how near the mouse must be to an edge to start scrolling.
 #### `scrollSpeed` option
 The speed at which the window should scroll once the mouse pointer gets within the `scrollSensitivity` distance.
 
-**Note that this option will only work on all browsers/devices if Sortable's `forceFallback: true` option is set.**
+**Note that this option will only work if Sortable's autoscroll function is invoked.**
 
+It is invoked if any of the following are true:
+ - The `forceFallback: true` option is set
+ - It is a mobile device
+ - The browser is either Safari, Internet Explorer, or Edge
 
 ---
 

From a0e160a5189cdbb09a6e310413a2e4e719be6323 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Wed, 6 Jan 2021 22:13:07 -0500
Subject: [PATCH 41/94] #1571: Dont use pointer events in Safari

---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 89b3a20e4..a52d809cf 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -392,7 +392,7 @@ function Sortable(el, options) {
 		fallbackOnBody: false,
 		fallbackTolerance: 0,
 		fallbackOffset: {x: 0, y: 0},
-		supportPointer: Sortable.supportPointer !== false && ('PointerEvent' in window),
+		supportPointer: Sortable.supportPointer !== false && ('PointerEvent' in window) && !Safari,
 		emptyInsertThreshold: 5
 	};
 

From 5afb802aea900f8fe350495983bec8d5092a17f4 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Thu, 7 Jan 2021 20:05:04 -0500
Subject: [PATCH 42/94] #1954: Add useAnimation option to sort()

---
 README.md       | 4 ++--
 src/Sortable.js | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index cb1218e42..7b542f5c0 100644
--- a/README.md
+++ b/README.md
@@ -565,12 +565,12 @@ For each element in the set, get the first element that matches the selector by
 Serializes the sortable's item `data-id`'s (`dataIdAttr` option) into an array of string.
 
 
-##### sort(order:`String[]`)
+##### sort(order:`String[]`, useAnimation:`Boolean`)
 Sorts the elements according to the array.
 
 ```js
 var order = sortable.toArray();
-sortable.sort(order.reverse()); // apply
+sortable.sort(order.reverse(), true); // apply
 ```
 
 
diff --git a/src/Sortable.js b/src/Sortable.js
index a52d809cf..9cf665dbd 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1569,7 +1569,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 	 * Sorts the elements according to the array.
 	 * @param  {String[]}  order  order of the items
 	 */
-	sort: function (order) {
+	sort: function (order, useAnimation) {
 		let items = {}, rootEl = this.el;
 
 		this.toArray().forEach(function (id, i) {
@@ -1580,12 +1580,14 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			}
 		}, this);
 
+		useAnimation && this.captureAnimationState();
 		order.forEach(function (id) {
 			if (items[id]) {
 				rootEl.removeChild(items[id]);
 				rootEl.appendChild(items[id]);
 			}
 		});
+		useAnimation && this.animateAll();
 	},
 
 

From 8a987c007cff0535edf65cd19a1a0a70cd880a07 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Thu, 7 Jan 2021 21:03:50 -0500
Subject: [PATCH 43/94] 1.13.0

---
 Sortable.js                      | 26 +++++++++++++++++++-------
 Sortable.min.js                  |  4 ++--
 modular/sortable.complete.esm.js | 26 +++++++++++++++++++-------
 modular/sortable.core.esm.js     | 26 +++++++++++++++++++-------
 modular/sortable.esm.js          | 26 +++++++++++++++++++-------
 package.json                     |  2 +-
 6 files changed, 79 insertions(+), 31 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index c6d7f9da6..152867f4b 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.2
+ * Sortable 1.13.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -132,7 +132,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance");
   }
 
-  var version = "1.10.2";
+  var version = "1.13.0";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -314,7 +314,7 @@
     if (!el.getBoundingClientRect && el !== window) return;
     var elRect, top, left, bottom, right, height, width;
 
-    if (el !== window && el !== getWindowScrollingElement()) {
+    if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
       elRect = el.getBoundingClientRect();
       top = elRect.top;
       left = elRect.left;
@@ -754,7 +754,7 @@
           target.animatingX = !!translateX;
           target.animatingY = !!translateY;
           css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
-          repaint(target); // repaint
+          this.forRepaintDummy = repaint(target); // repaint
 
           css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
           css(target, 'transform', 'translate3d(0,0,0)');
@@ -792,6 +792,11 @@
         }
       }
 
+      plugins.forEach(function (p) {
+        if (p.pluginName === plugin.pluginName) {
+          throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
+        }
+      });
       plugins.push(plugin);
     },
     pluginEvent: function pluginEvent(eventName, sortable, evt) {
@@ -1235,7 +1240,7 @@
         x: 0,
         y: 0
       },
-      supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,
+      supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
       emptyInsertThreshold: 5
     };
     PluginManager.initializePlugins(this, el, defaults); // Set default options
@@ -1322,6 +1327,11 @@
 
       if (originalTarget.isContentEditable) {
         return;
+      } // Safari ignores further event handling after mousedown
+
+
+      if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
+        return;
       }
 
       target = closest(target, options.draggable, el, false);
@@ -2319,7 +2329,7 @@
      * Sorts the elements according to the array.
      * @param  {String[]}  order  order of the items
      */
-    sort: function sort(order) {
+    sort: function sort(order, useAnimation) {
       var items = {},
           rootEl = this.el;
       this.toArray().forEach(function (id, i) {
@@ -2329,12 +2339,14 @@
           items[id] = el;
         }
       }, this);
+      useAnimation && this.captureAnimationState();
       order.forEach(function (id) {
         if (items[id]) {
           rootEl.removeChild(items[id]);
           rootEl.appendChild(items[id]);
         }
       });
+      useAnimation && this.animateAll();
     },
 
     /**
@@ -2433,7 +2445,7 @@
         pluginEvent('showClone', this);
         if (Sortable.eventCanceled) return; // show clone at dragEl or original position
 
-        if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
+        if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
           rootEl.insertBefore(cloneEl, dragEl);
         } else if (nextEl) {
           rootEl.insertBefore(cloneEl, nextEl);
diff --git a/Sortable.min.js b/Sortable.min.js
index eba061497..4fe7f0c36 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.10.2 - MIT | git://github.com/SortableJS/Sortable.git */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Sortable=e()}(this,function(){"use strict";function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function a(){return(a=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var o in n)Object.prototype.hasOwnProperty.call(n,o)&&(t[o]=n[o])}return t}).apply(this,arguments)}function I(i){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},e=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(e=e.concat(Object.getOwnPropertySymbols(r).filter(function(t){return Object.getOwnPropertyDescriptor(r,t).enumerable}))),e.forEach(function(t){var e,n,o;e=i,o=r[n=t],n in e?Object.defineProperty(e,n,{value:o,enumerable:!0,configurable:!0,writable:!0}):e[n]=o})}return i}function l(t,e){if(null==t)return{};var n,o,i=function(t,e){if(null==t)return{};var n,o,i={},r=Object.keys(t);for(o=0;o<r.length;o++)n=r[o],0<=e.indexOf(n)||(i[n]=t[n]);return i}(t,e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);for(o=0;o<r.length;o++)n=r[o],0<=e.indexOf(n)||Object.prototype.propertyIsEnumerable.call(t,n)&&(i[n]=t[n])}return i}function e(t){return function(t){if(Array.isArray(t)){for(var e=0,n=new Array(t.length);e<t.length;e++)n[e]=t[e];return n}}(t)||function(t){if(Symbol.iterator in Object(t)||"[object Arguments]"===Object.prototype.toString.call(t))return Array.from(t)}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance")}()}function t(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var w=t(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),E=t(/Edge/i),c=t(/firefox/i),s=t(/safari/i)&&!t(/chrome/i)&&!t(/android/i),n=t(/iP(ad|od|hone)/i),i=t(/chrome/i)&&t(/android/i),r={capture:!1,passive:!1};function u(t,e,n){t.addEventListener(e,n,!w&&r)}function d(t,e,n){t.removeEventListener(e,n,!w&&r)}function h(t,e){if(e){if(">"===e[0]&&(e=e.substring(1)),t)try{if(t.matches)return t.matches(e);if(t.msMatchesSelector)return t.msMatchesSelector(e);if(t.webkitMatchesSelector)return t.webkitMatchesSelector(e)}catch(t){return!1}return!1}}function P(t,e,n,o){if(t){n=n||document;do{if(null!=e&&(">"===e[0]?t.parentNode===n&&h(t,e):h(t,e))||o&&t===n)return t;if(t===n)break}while(t=(i=t).host&&i!==document&&i.host.nodeType?i.host:i.parentNode)}var i;return null}var f,p=/\s+/g;function k(t,e,n){if(t&&e)if(t.classList)t.classList[n?"add":"remove"](e);else{var o=(" "+t.className+" ").replace(p," ").replace(" "+e+" "," ");t.className=(o+(n?" 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Math.round(t.top)===Math.round(e.top)&&Math.round(t.left)===Math.round(e.left)&&Math.round(t.height)===Math.round(e.height)&&Math.round(t.width)===Math.round(e.width)}function D(e,n){return function(){if(!f){var t=arguments;1===t.length?e.call(this,t[0]):e.apply(this,t),f=setTimeout(function(){f=void 0},n)}}}function L(t,e,n){t.scrollLeft+=e,t.scrollTop+=n}function S(t){var e=window.Polymer,n=window.jQuery||window.Zepto;return e&&e.dom?e.dom(t).cloneNode(!0):n?n(t).clone(!0)[0]:t.cloneNode(!0)}function _(t,e){R(t,"position","absolute"),R(t,"top",e.top),R(t,"left",e.left),R(t,"width",e.width),R(t,"height",e.height)}function C(t){R(t,"position",""),R(t,"top",""),R(t,"left",""),R(t,"width",""),R(t,"height","")}var j="Sortable"+(new Date).getTime();function T(){var e,o=[];return{captureAnimationState:function(){o=[],this.options.animation&&[].slice.call(this.el.children).forEach(function(t){if("none"!==R(t,"display")&&t!==Rt.ghost){o.push({target:t,rect:X(t)});var 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0!==n.preventDefault&&n.cancelable&&n.preventDefault(),s=P(s,e.draggable,l,!0),M("dragOver"),Rt.eventCanceled)return p;if(z.contains(n.target)||s.animated&&s.animatingX&&s.animatingY||f._ignoreWhileAnimating===s)return N(!1);if(mt=!1,c&&!e.disabled&&(u?d||(r=!q.contains(z)):it===this||(this.lastPutMode=ot.checkPull(this,c,z,n))&&t.checkPut(this,c,z,n))){if(a="vertical"===this._getDirection(n,s),o=X(z),M("dragOverValid"),Rt.eventCanceled)return p;if(r)return G=q,O(),this._hideClone(),M("revert"),Rt.eventCanceled||(V?q.insertBefore(z,V):q.appendChild(z)),N(!0);var g=B(l,e.draggable);if(!g||function(t,e,n){var o=X(B(n.el,n.options.draggable));return e?t.clientX>o.right+10||t.clientX<=o.right&&t.clientY>o.bottom&&t.clientX>=o.left:t.clientX>o.right&&t.clientY>o.top||t.clientX<=o.right&&t.clientY>o.bottom+10}(n,a,this)&&!g.animated){if(g===z)return N(!1);if(g&&l===n.target&&(s=g),s&&(i=X(s)),!1!==Xt(q,l,z,o,s,i,n,!!s))return O(),l.appendChild(z),G=l,A(),N(!0)}else 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t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||Ft(t));return e},sort:function(t,e){var o={},i=this.el;this.toArray().forEach(function(t,e){var n=i.children[e];P(n,this.options.draggable,i,!1)&&(o[t]=n)},this),e&&this.captureAnimationState(),t.forEach(function(t){o[t]&&(i.removeChild(o[t]),i.appendChild(o[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=O.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Nt(n)},destroy:function(){K("destroy",this);var t=this.el;t[j]=null,s(t,"mousedown",this._onTapStart),s(t,"touchstart",this._onTapStart),s(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(s(t,"dragover",this),s(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),this._disableDelayedDragEvents(),bt.splice(bt.indexOf(this.el),1),this.el=t=null},_hideClone:function(){if(!$){if(K("hideClone",this),Rt.eventCanceled)return;R(Q,"display","none"),this.options.removeCloneOnHide&&Q.parentNode&&Q.parentNode.removeChild(Q),$=!0}},_showClone:function(t){if("clone"===t.lastPutMode){if($){if(K("showClone",this),Rt.eventCanceled)return;z.parentNode!=q||this.options.group.revertClone?V?q.insertBefore(Q,V):q.appendChild(Q):q.insertBefore(Q,z),this.options.group.revertClone&&this.animate(z,Q),R(Q,"display",""),$=!1}}else 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Zt();te(e,this.options,H(t,!1),!1)}}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Rt.mount(ne,ee),Rt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){var e=t.dragEl;Jt=e},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;if(i.options.swap){var l=this.sortable.el,s=this.options;if(n&&n!==l){var c=Jt;Jt=!1!==o(n)?(k(n,s.swapClass,!0),n):null,c&&c!==Jt&&k(c,s.swapClass,!1)}r(),e(!0),a()}},drop:function(t){var e=t.activeSortable,n=t.putSortable,o=t.dragEl,i=n||this.sortable,r=this.options;Jt&&k(Jt,r.swapClass,!1),Jt&&(r.swap||n&&n.options.swap)&&o!==Jt&&(i.captureAnimationState(),i!==e&&e.captureAnimationState(),function(t,e){var n,o,i=t.parentNode,r=e.parentNode;if(!i||!r||i.isEqualNode(e)||r.isEqualNode(t))return;n=F(t),o=F(e),i.isEqualNode(r)&&n<o&&o++;i.insertBefore(e,i.children[n]),r.insertBefore(t,r.children[o])}(o,Jt),i.animateAll(),i!==e&&e.animateAll())},nulling:function(){Jt=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:Jt}}})}),Rt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.supportPointer?d(document,"pointerup",this._deselectMultiDrag):(d(document,"mouseup",this._deselectMultiDrag),d(document,"touchend",this._deselectMultiDrag)),d(document,"keydown",this._checkKeyDown),d(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,setData:function(t,e){var n="";se.length&&ie===o?se.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){var e=t.dragEl;re=e},delayEnded:function(){this.isMultiDrag=~se.indexOf(re)},setupClone:function(t){var e=t.sortable,n=t.cancel;if(this.isMultiDrag){for(var o=0;o<se.length;o++)ce.push(S(se[o])),ce[o].sortableIndex=se[o].sortableIndex,ce[o].draggable=!1,ce[o].style["will-change"]="",k(ce[o],this.options.selectedClass,!1),se[o]===re&&k(ce[o],this.options.chosenClass,!1);e._hideClone(),n()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,i=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||se.length&&ie===e&&(fe(!0,n),o("clone"),i()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,o=t.cancel;this.isMultiDrag&&(fe(!1,n),ce.forEach(function(t){R(t,"display","")}),e(),le=!1,o())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),o=t.cancel;this.isMultiDrag&&(ce.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),le=!0,o())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ie&&ie.multiDrag._deselectMultiDrag(),se.forEach(function(t){t.sortableIndex=F(t)}),se=se.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),he=!0},dragStarted:function(t){var e=this,n=t.sortable;if(this.isMultiDrag){if(this.options.sort&&(n.captureAnimationState(),this.options.animation)){se.forEach(function(t){t!==re&&R(t,"position","absolute")});var o=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&_(t,o)}),ue=de=!0}n.animateAll(function(){ue=de=!1,e.options.animation&&se.forEach(function(t){C(t)}),e.options.sort&&pe()})}},dragOver:function(t){var e=t.target,n=t.completed,o=t.cancel;de&&~se.indexOf(e)&&(n(!1),o())},revert:function(t){var e=t.fromSortable,n=t.rootEl,o=t.sortable,i=t.dragRect;1<se.length&&(se.forEach(function(t){o.addAnimationState({target:t,rect:de?X(t):i}),C(t),t.fromRect=i,e.removeAnimationState(t)}),de=!1,function(o,i){se.forEach(function(t,e){var n=i.children[t.sortableIndex+(o?Number(e):0)];n?i.insertBefore(t,n):i.appendChild(t)})}(!this.options.removeCloneOnHide,n))},dragOverCompleted:function(t){var e=t.sortable,n=t.isOwner,o=t.insertion,i=t.activeSortable,r=t.parentEl,a=t.putSortable,l=this.options;if(o){if(n&&i._hideClone(),ue=!1,l.animation&&1<se.length&&(de||!n&&!i.options.sort&&!a)){var s=X(re,!1,!0,!0);se.forEach(function(t){t!==re&&(_(t,s),r.appendChild(t))}),de=!0}if(!n)if(de||pe(),1<se.length){var c=le;i._showClone(e),i.options.animation&&!le&&c&&ce.forEach(function(t){i.addAnimationState({target:t,rect:ae}),t.fromRect=ae,t.thisAnimationDuration=null})}else i._showClone(e)}},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,o=t.activeSortable;if(se.forEach(function(t){t.thisAnimationDuration=null}),o.options.animation&&!n&&o.multiDrag.isMultiDrag){ae=a({},e);var i=v(re,!0);ae.top-=i.f,ae.left-=i.e}},dragOverAnimationComplete:function(){de&&(de=!1,pe())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c=this.options,u=o.children;if(!he)if(c.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(re,c.selectedClass,!~se.indexOf(re)),~se.indexOf(re))se.splice(se.indexOf(re),1),oe=null,N({sortable:i,rootEl:n,name:"deselect",targetEl:re,originalEvt:e});else{if(se.push(re),N({sortable:i,rootEl:n,name:"select",targetEl:re,originalEvt:e}),e.shiftKey&&oe&&i.el.contains(oe)){var d,h,f=F(oe),p=F(re);if(~f&&~p&&f!==p)for(d=f<p?(h=f,p):(h=p,f+1);h<d;h++)~se.indexOf(u[h])||(k(u[h],c.selectedClass,!0),se.push(u[h]),N({sortable:i,rootEl:n,name:"select",targetEl:u[h],originalEvt:e}))}else oe=re;ie=s}if(he&&this.isMultiDrag){if((o[j].options.sort||o!==n)&&1<se.length){var g=X(re),v=F(re,":not(."+this.options.selectedClass+")");if(!ue&&c.animation&&(re.thisAnimationDuration=null),s.captureAnimationState(),!ue&&(c.animation&&(re.fromRect=g,se.forEach(function(t){if(t.thisAnimationDuration=null,t!==re){var e=de?X(t):g;t.fromRect=e,s.addAnimationState({target:t,rect:e})}})),pe(),se.forEach(function(t){u[v]?o.insertBefore(t,u[v]):o.appendChild(t),v++}),a===F(re))){var m=!1;se.forEach(function(t){t.sortableIndex===F(t)||(m=!0)}),m&&r("update")}se.forEach(function(t){C(t)}),s.animateAll()}ie=s}(n===o||l&&"clone"!==l.lastPutMode)&&ce.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=he=!1,ce.length=0},destroyGlobal:function(){this._deselectMultiDrag(),s(document,"pointerup",this._deselectMultiDrag),s(document,"mouseup",this._deselectMultiDrag),s(document,"touchend",this._deselectMultiDrag),s(document,"keydown",this._checkKeyDown),s(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==he&&he||ie!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;se.length;){var e=se[0];k(e,this.options.selectedClass,!1),se.shift(),N({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~se.indexOf(t)&&(ie&&ie!==e&&(ie.multiDrag._deselectMultiDrag(),ie=e),k(t,e.options.selectedClass,!0),se.push(t))},deselect:function(t){var e=t.parentNode[j],n=se.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),se.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return se.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=de&&t!==re?-1:de?F(t,":not(."+n.options.selectedClass+")"):F(t),i.push({multiDragElement:t,index:e})}),{items:e(se),clones:[].concat(ce),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Rt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 9d60bc0af..c22e37975 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.2
+ * Sortable 1.13.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.2";
+var version = "1.13.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -308,7 +308,7 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
   if (!el.getBoundingClientRect && el !== window) return;
   var elRect, top, left, bottom, right, height, width;
 
-  if (el !== window && el !== getWindowScrollingElement()) {
+  if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
     elRect = el.getBoundingClientRect();
     top = elRect.top;
     left = elRect.left;
@@ -748,7 +748,7 @@ function AnimationStateManager() {
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
-        repaint(target); // repaint
+        this.forRepaintDummy = repaint(target); // repaint
 
         css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
         css(target, 'transform', 'translate3d(0,0,0)');
@@ -786,6 +786,11 @@ var PluginManager = {
       }
     }
 
+    plugins.forEach(function (p) {
+      if (p.pluginName === plugin.pluginName) {
+        throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
+      }
+    });
     plugins.push(plugin);
   },
   pluginEvent: function pluginEvent(eventName, sortable, evt) {
@@ -1229,7 +1234,7 @@ function Sortable(el, options) {
       x: 0,
       y: 0
     },
-    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,
+    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
     emptyInsertThreshold: 5
   };
   PluginManager.initializePlugins(this, el, defaults); // Set default options
@@ -1316,6 +1321,11 @@ Sortable.prototype =
 
     if (originalTarget.isContentEditable) {
       return;
+    } // Safari ignores further event handling after mousedown
+
+
+    if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
+      return;
     }
 
     target = closest(target, options.draggable, el, false);
@@ -2313,7 +2323,7 @@ Sortable.prototype =
    * Sorts the elements according to the array.
    * @param  {String[]}  order  order of the items
    */
-  sort: function sort(order) {
+  sort: function sort(order, useAnimation) {
     var items = {},
         rootEl = this.el;
     this.toArray().forEach(function (id, i) {
@@ -2323,12 +2333,14 @@ Sortable.prototype =
         items[id] = el;
       }
     }, this);
+    useAnimation && this.captureAnimationState();
     order.forEach(function (id) {
       if (items[id]) {
         rootEl.removeChild(items[id]);
         rootEl.appendChild(items[id]);
       }
     });
+    useAnimation && this.animateAll();
   },
 
   /**
@@ -2427,7 +2439,7 @@ Sortable.prototype =
       pluginEvent('showClone', this);
       if (Sortable.eventCanceled) return; // show clone at dragEl or original position
 
-      if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
+      if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
         rootEl.insertBefore(cloneEl, dragEl);
       } else if (nextEl) {
         rootEl.insertBefore(cloneEl, nextEl);
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 6e6d13829..269ab0694 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.2
+ * Sortable 1.13.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.2";
+var version = "1.13.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -308,7 +308,7 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
   if (!el.getBoundingClientRect && el !== window) return;
   var elRect, top, left, bottom, right, height, width;
 
-  if (el !== window && el !== getWindowScrollingElement()) {
+  if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
     elRect = el.getBoundingClientRect();
     top = elRect.top;
     left = elRect.left;
@@ -748,7 +748,7 @@ function AnimationStateManager() {
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
-        repaint(target); // repaint
+        this.forRepaintDummy = repaint(target); // repaint
 
         css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
         css(target, 'transform', 'translate3d(0,0,0)');
@@ -786,6 +786,11 @@ var PluginManager = {
       }
     }
 
+    plugins.forEach(function (p) {
+      if (p.pluginName === plugin.pluginName) {
+        throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
+      }
+    });
     plugins.push(plugin);
   },
   pluginEvent: function pluginEvent(eventName, sortable, evt) {
@@ -1229,7 +1234,7 @@ function Sortable(el, options) {
       x: 0,
       y: 0
     },
-    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,
+    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
     emptyInsertThreshold: 5
   };
   PluginManager.initializePlugins(this, el, defaults); // Set default options
@@ -1316,6 +1321,11 @@ Sortable.prototype =
 
     if (originalTarget.isContentEditable) {
       return;
+    } // Safari ignores further event handling after mousedown
+
+
+    if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
+      return;
     }
 
     target = closest(target, options.draggable, el, false);
@@ -2313,7 +2323,7 @@ Sortable.prototype =
    * Sorts the elements according to the array.
    * @param  {String[]}  order  order of the items
    */
-  sort: function sort(order) {
+  sort: function sort(order, useAnimation) {
     var items = {},
         rootEl = this.el;
     this.toArray().forEach(function (id, i) {
@@ -2323,12 +2333,14 @@ Sortable.prototype =
         items[id] = el;
       }
     }, this);
+    useAnimation && this.captureAnimationState();
     order.forEach(function (id) {
       if (items[id]) {
         rootEl.removeChild(items[id]);
         rootEl.appendChild(items[id]);
       }
     });
+    useAnimation && this.animateAll();
   },
 
   /**
@@ -2427,7 +2439,7 @@ Sortable.prototype =
       pluginEvent('showClone', this);
       if (Sortable.eventCanceled) return; // show clone at dragEl or original position
 
-      if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
+      if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
         rootEl.insertBefore(cloneEl, dragEl);
       } else if (nextEl) {
         rootEl.insertBefore(cloneEl, nextEl);
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index f8a64b180..0117871b1 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.10.2
+ * Sortable 1.13.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -126,7 +126,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance");
 }
 
-var version = "1.10.2";
+var version = "1.13.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -308,7 +308,7 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
   if (!el.getBoundingClientRect && el !== window) return;
   var elRect, top, left, bottom, right, height, width;
 
-  if (el !== window && el !== getWindowScrollingElement()) {
+  if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
     elRect = el.getBoundingClientRect();
     top = elRect.top;
     left = elRect.left;
@@ -748,7 +748,7 @@ function AnimationStateManager() {
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
-        repaint(target); // repaint
+        this.forRepaintDummy = repaint(target); // repaint
 
         css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
         css(target, 'transform', 'translate3d(0,0,0)');
@@ -786,6 +786,11 @@ var PluginManager = {
       }
     }
 
+    plugins.forEach(function (p) {
+      if (p.pluginName === plugin.pluginName) {
+        throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
+      }
+    });
     plugins.push(plugin);
   },
   pluginEvent: function pluginEvent(eventName, sortable, evt) {
@@ -1229,7 +1234,7 @@ function Sortable(el, options) {
       x: 0,
       y: 0
     },
-    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,
+    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
     emptyInsertThreshold: 5
   };
   PluginManager.initializePlugins(this, el, defaults); // Set default options
@@ -1316,6 +1321,11 @@ Sortable.prototype =
 
     if (originalTarget.isContentEditable) {
       return;
+    } // Safari ignores further event handling after mousedown
+
+
+    if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
+      return;
     }
 
     target = closest(target, options.draggable, el, false);
@@ -2313,7 +2323,7 @@ Sortable.prototype =
    * Sorts the elements according to the array.
    * @param  {String[]}  order  order of the items
    */
-  sort: function sort(order) {
+  sort: function sort(order, useAnimation) {
     var items = {},
         rootEl = this.el;
     this.toArray().forEach(function (id, i) {
@@ -2323,12 +2333,14 @@ Sortable.prototype =
         items[id] = el;
       }
     }, this);
+    useAnimation && this.captureAnimationState();
     order.forEach(function (id) {
       if (items[id]) {
         rootEl.removeChild(items[id]);
         rootEl.appendChild(items[id]);
       }
     });
+    useAnimation && this.animateAll();
   },
 
   /**
@@ -2427,7 +2439,7 @@ Sortable.prototype =
       pluginEvent('showClone', this);
       if (Sortable.eventCanceled) return; // show clone at dragEl or original position
 
-      if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
+      if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
         rootEl.insertBefore(cloneEl, dragEl);
       } else if (nextEl) {
         rootEl.insertBefore(cloneEl, nextEl);
diff --git a/package.json b/package.json
index 434473690..5d12970d7 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.10.2",
+	"version": "1.13.0",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 0656d6245f222c4dc26cd08777d7bd04b7699c29 Mon Sep 17 00:00:00 2001
From: owen-m1 <owen23355@gmail.com>
Date: Wed, 3 Feb 2021 22:37:44 -0500
Subject: [PATCH 44/94] Clarify dataIdAttr option docs

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 7b542f5c0..6beb663c7 100644
--- a/README.md
+++ b/README.md
@@ -129,7 +129,7 @@ var sortable = new Sortable(el, {
 	preventOnFilter: true, // Call `event.preventDefault()` when triggered `filter`
 	draggable: ".item",  // Specifies which items inside the element should be draggable
 
-	dataIdAttr: 'data-id',
+	dataIdAttr: 'data-id', // HTML attribute that is used by the `toArray()` method
 
 	ghostClass: "sortable-ghost",  // Class name for the drop placeholder
 	chosenClass: "sortable-chosen",  // Class name for the chosen item
@@ -549,7 +549,7 @@ Demo: https://jsbin.com/becavoj/edit?js,output
 ---
 
 
-### Method
+### Methods
 
 
 ##### option(name:`String`[, value:`*`]):`*`

From ff4585f562a0b38cd62436c4bf361505e836a91d Mon Sep 17 00:00:00 2001
From: Shanks <lianruhe2013@gmail.com>
Date: Tue, 13 Apr 2021 11:27:25 +0800
Subject: [PATCH 45/94] Update package.json: The entry file uses the compiled

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 5d12970d7..4d9b8e669 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
 		"uglify-js": "^3.5.12"
 	},
 	"description": "JavaScript library for reorderable drag-and-drop lists on modern browsers and touch devices. No jQuery required. Supports Meteor, AngularJS, React, Polymer, Vue, Knockout and any CSS library, e.g. Bootstrap.",
-	"main": "./Sortable.js",
+	"main": "./Sortable.min.js",
 	"module": "modular/sortable.esm.js",
 	"scripts": {
 		"build:umd": "NODE_ENV=umd rollup -c ./scripts/umd-build.js",

From 77e048187b9e2e0370bc67b3b25281a5656277d3 Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sun, 2 May 2021 11:14:22 -0400
Subject: [PATCH 46/94] #1942: Check if ghost is first

---
 src/Sortable.js | 27 ++++++++++++++++++++++++++-
 src/utils.js    |  4 ++--
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 9cf665dbd..219a64300 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1175,7 +1175,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 					return completed(false);
 				}
 
-				// assign target only if condition is true
+				// if there is a last element, it is the target
 				if (elLastChild && el === evt.target) {
 					target = elLastChild;
 				}
@@ -1193,6 +1193,23 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 					return completed(true);
 				}
 			}
+			else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
+				let firstChild = getChild(el, 0, options, true);
+				if (firstChild === dragEl) {
+					return completed(false);
+				}
+				target = firstChild;
+				targetRect = getRect(target);
+
+				if (onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
+					capture();
+					el.insertBefore(dragEl, firstChild);
+					parentEl = el; // actualization
+
+					changed();
+					return completed(true);
+				}
+			}
 			else if (target.parentNode === el) {
 				targetRect = getRect(target);
 				let direction = 0,
@@ -1762,6 +1779,14 @@ function _unsilent() {
 	_silent = false;
 }
 
+function _ghostIsFirst(evt, vertical, sortable) {
+	let rect = getRect(getChild(sortable.el, 0, sortable.options));
+	const spacer = 10;
+
+	return vertical ?
+		((evt.clientX < rect.left - spacer) || (evt.clientY < rect.top && evt.clientX < rect.right)) :
+		((evt.clientY < rect.top - spacer) || (evt.clientY < rect.bottom && evt.clientX < rect.left))
+}
 
 function _ghostIsLast(evt, vertical, sortable) {
 	let rect = getRect(lastChild(sortable.el, sortable.options.draggable));
diff --git a/src/utils.js b/src/utils.js
index 09a3ce02e..cdb8cc774 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -296,7 +296,7 @@ function isScrolledPast(el, elSide, parentSide) {
  * @param  {Object} options       Parent Sortable's options
  * @return {HTMLElement}          The child at index childNum, or null if not found
  */
-function getChild(el, childNum, options) {
+function getChild(el, childNum, options, includeDragEl) {
 	let currentChild = 0,
 		i = 0,
 		children = el.children;
@@ -305,7 +305,7 @@ function getChild(el, childNum, options) {
 		if (
 			children[i].style.display !== 'none' &&
 			children[i] !== Sortable.ghost &&
-			children[i] !== Sortable.dragged &&
+			(includeDragEl || children[i] !== Sortable.dragged) &&
 			closest(children[i], options.draggable, el, false)
 		) {
 			if (currentChild === childNum) {

From e83eb7ee0b2e9289e87160fb713d43ad37a30039 Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sun, 2 May 2021 14:12:07 -0400
Subject: [PATCH 47/94] #2021: Fix multidrag indicies

---
 plugins/MultiDrag/MultiDrag.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 61f690137..4162037ce 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -373,6 +373,7 @@ function MultiDragPlugin() {
 
 			// Multi-drag drop
 			if (dragStarted && this.isMultiDrag) {
+				folding = false;
 				// Do not "unfold" after around dragEl if reverted
 				if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
 					let dragRect = getRect(dragEl),

From 415506bf3efb0fd54c067e2863876586d23edce5 Mon Sep 17 00:00:00 2001
From: Yopai <Yopai@users.noreply.github.com>
Date: Wed, 5 May 2021 11:22:22 +0200
Subject: [PATCH 48/94] README : trick for emptyInsertThreshold

Give a pure-css workaround to emptyInsertThreshold option.
---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index 6beb663c7..a2dd09803 100644
--- a/README.md
+++ b/README.md
@@ -521,6 +521,19 @@ The distance (in pixels) the mouse must be from an empty sortable while dragging
 
 Demo: https://jsbin.com/becavoj/edit?js,output
 
+Instead of this, you can just set a padding on your list when it is empty. Warning, for :empty to work, it must have no node inside (even text one).
+(It will help if your lists are side-by-side, since you only want the drag occurs when you are under the list - not at the left)
+
+Adding a CSS rule :
+`ul:empty {
+  background:pink;
+  padding-bottom:3em;
+}`
+
+And rewriting the empty list as : `<ul id="list2" class="list-group"></ul>` (so that it is really empty)
+
+You got :
+https://jsbin.com/galujuvayi/edit?html,css,js,output
 
 ---
 ### Event object ([demo](https://jsbin.com/fogujiv/edit?js,output))

From 0a1bab7bbe1ebe8fb8be135e350e6b9917e7a8bb Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sat, 8 May 2021 17:51:14 -0400
Subject: [PATCH 49/94] #2025: Fix reverting with nested sortables

---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 219a64300..56007d41c 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1131,7 +1131,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 
 		if (activeSortable && !options.disabled &&
 			(isOwner
-				? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
+				? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
 				: (
 					putSortable === this ||
 					(

From d83734a8802035f8c952c85e256ce76ab8c8de0e Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sun, 9 May 2021 21:14:33 -0400
Subject: [PATCH 50/94] Add forceAutoScrollFallback option

---
 plugins/AutoScroll/AutoScroll.js |  3 ++-
 plugins/AutoScroll/README.md     | 10 ++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/plugins/AutoScroll/AutoScroll.js b/plugins/AutoScroll/AutoScroll.js
index 3027bb351..48ac81e28 100644
--- a/plugins/AutoScroll/AutoScroll.js
+++ b/plugins/AutoScroll/AutoScroll.js
@@ -29,6 +29,7 @@ function AutoScrollPlugin() {
 	function AutoScroll() {
 		this.defaults = {
 			scroll: true,
+			forceAutoScrollFallback: false,
 			scrollSensitivity: 30,
 			scrollSpeed: 10,
 			bubbleScroll: true
@@ -106,7 +107,7 @@ function AutoScrollPlugin() {
 			// Edge's autoscroll seems too conditional,
 			// MACOS Safari does not have autoscroll,
 			// Firefox and Chrome are good
-			if (fallback || Edge || IE11OrLess || Safari) {
+			if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
 				autoScroll(evt, this.options, elem, fallback);
 
 				// Listener for pointer element change
diff --git a/plugins/AutoScroll/README.md b/plugins/AutoScroll/README.md
index 55e481144..dd77aede6 100644
--- a/plugins/AutoScroll/README.md
+++ b/plugins/AutoScroll/README.md
@@ -26,6 +26,7 @@ Sortable.mount(new AutoScroll());
 ```js
 new Sortable(el, {
 	scroll: true, // Enable the plugin. Can be HTMLElement.
+	forceAutoscrollFallback: false, // force autoscroll plugin to enable even when native browser autoscroll is available
 	scrollFn: function(offsetX, offsetY, originalEvent, touchEvt, hoverTargetEl) { ... }, // if you have custom scrollbar scrollFn may be used for autoscrolling
 	scrollSensitivity: 30, // px, how near the mouse must be to an edge to start scrolling.
 	scrollSpeed: 10, // px, speed of the scrolling
@@ -40,6 +41,8 @@ new Sortable(el, {
 #### `scroll` option
 Enables the plugin. Defaults to `true`. May also be set to an HTMLElement which will be where autoscrolling is rooted.
 
+**Note: Just because this plugin is enabled does not mean that it will always be used for autoscrolling. Some browsers have native drag and drop autoscroll, in which case this autoscroll plugin won't be invoked. If you wish to have this always be invoked for autoscrolling, set the option `forceAutoScrollFallback` to `true`.**
+
 Demo:
  - `window`: https://jsbin.com/dosilir/edit?js,output
  - `overflow: hidden`: https://jsbin.com/xecihez/edit?html,js,output
@@ -48,6 +51,13 @@ Demo:
 ---
 
 
+#### `forceAutoScrollFallback` option
+Enables sortable's autoscroll even when the browser can handle it (with native drag and drop). Defaults to `false`. This will not disable the native autoscrolling. Note that setting `forceFallback: true` in the sortable options will also enable this.
+
+
+---
+
+
 #### `scrollFn` option
 Useful when you have custom scrollbar with dedicated scroll function.
 Defines a function that will be used for autoscrolling. Sortable uses el.scrollTop/el.scrollLeft by default. Set this option if you wish to handle it differently.

From 558c633570288e498b56e5be13f3ba268154288b Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sat, 26 Jun 2021 15:56:07 -0400
Subject: [PATCH 51/94] preformance improvement

---
 src/Sortable.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 56007d41c..355ba9acc 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -228,10 +228,10 @@ let dragEl,
 	_detectNearestEmptySortable = function(x, y) {
 		let ret;
 		sortables.some((sortable) => {
-			if (lastChild(sortable)) return;
+			const threshold = sortable[expando].options.emptyInsertThreshold;
+			if (!threshold || lastChild(sortable)) return;
 
-			let rect = getRect(sortable),
-				threshold = sortable[expando].options.emptyInsertThreshold,
+			const rect = getRect(sortable),
 				insideHorizontally = x >= (rect.left - threshold) && x <= (rect.right + threshold),
 				insideVertically = y >= (rect.top - threshold) && y <= (rect.bottom + threshold);
 

From 593235d138db3d076a60c719b7838d042b3b2d18 Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sat, 26 Jun 2021 16:22:06 -0400
Subject: [PATCH 52/94] fix _ghostIsFirst error

---
 src/Sortable.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 355ba9acc..d5a6de922 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1170,6 +1170,8 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			let elLastChild = lastChild(el, options.draggable);
 
 			if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
+				// Insert to end of list
+
 				// If already at end of list: Do not insert
 				if (elLastChild === dragEl) {
 					return completed(false);
@@ -1194,6 +1196,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 				}
 			}
 			else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
+				// Insert to start of list
 				let firstChild = getChild(el, 0, options, true);
 				if (firstChild === dragEl) {
 					return completed(false);
@@ -1780,7 +1783,7 @@ function _unsilent() {
 }
 
 function _ghostIsFirst(evt, vertical, sortable) {
-	let rect = getRect(getChild(sortable.el, 0, sortable.options));
+	let rect = getRect(getChild(sortable.el, 0, sortable.options, true));
 	const spacer = 10;
 
 	return vertical ?

From e294ab9898e37edb15e696f07dab8230c1c31080 Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sat, 26 Jun 2021 16:27:16 -0400
Subject: [PATCH 53/94] fix deepscan issue

---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index d5a6de922..d66b8e7f6 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -235,7 +235,7 @@ let dragEl,
 				insideHorizontally = x >= (rect.left - threshold) && x <= (rect.right + threshold),
 				insideVertically = y >= (rect.top - threshold) && y <= (rect.bottom + threshold);
 
-			if (threshold && insideHorizontally && insideVertically) {
+			if (insideHorizontally && insideVertically) {
 				return (ret = sortable);
 			}
 		});

From a1015e2fd4404eb93ad05cc7b8778b43b49c9373 Mon Sep 17 00:00:00 2001
From: Owen M <owen23355@gmail.com>
Date: Sat, 26 Jun 2021 23:03:34 -0400
Subject: [PATCH 54/94] Update README.md

---
 README.md | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index a2dd09803..6ff615abb 100644
--- a/README.md
+++ b/README.md
@@ -521,19 +521,16 @@ The distance (in pixels) the mouse must be from an empty sortable while dragging
 
 Demo: https://jsbin.com/becavoj/edit?js,output
 
-Instead of this, you can just set a padding on your list when it is empty. Warning, for :empty to work, it must have no node inside (even text one).
-(It will help if your lists are side-by-side, since you only want the drag occurs when you are under the list - not at the left)
-
-Adding a CSS rule :
+An alternative to this option would be to set a padding on your list when it is empty.
+For example:
 `ul:empty {
-  background:pink;
-  padding-bottom:3em;
+  padding-bottom: 20px;
 }`
 
-And rewriting the empty list as : `<ul id="list2" class="list-group"></ul>` (so that it is really empty)
+Warning: For :empty to work, it must have no node inside (even text one).
 
-You got :
-https://jsbin.com/galujuvayi/edit?html,css,js,output
+Demo:
+https://jsbin.com/yunakeg/edit?html,css,js,output
 
 ---
 ### Event object ([demo](https://jsbin.com/fogujiv/edit?js,output))

From 7d0c6a062ca1929c71778e044b2d815a2e51fae0 Mon Sep 17 00:00:00 2001
From: Owen M <owen23355@gmail.com>
Date: Sat, 26 Jun 2021 23:10:03 -0400
Subject: [PATCH 55/94] Update README.md

---
 README.md | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 6ff615abb..f56ae451c 100644
--- a/README.md
+++ b/README.md
@@ -522,12 +522,15 @@ The distance (in pixels) the mouse must be from an empty sortable while dragging
 Demo: https://jsbin.com/becavoj/edit?js,output
 
 An alternative to this option would be to set a padding on your list when it is empty.
+
 For example:
-`ul:empty {
+```css
+ul:empty {
   padding-bottom: 20px;
-}`
+}
+```
 
-Warning: For :empty to work, it must have no node inside (even text one).
+Warning: For `:empty` to work, it must have no node inside (even text one).
 
 Demo:
 https://jsbin.com/yunakeg/edit?html,css,js,output

From 4684991aabfdf5cab989427fe204814d99520509 Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sat, 3 Jul 2021 22:04:34 -0400
Subject: [PATCH 56/94] 1.14.0

---
 Sortable.js                      |   166 +-
 Sortable.min.js                  |     4 +-
 modular/sortable.complete.esm.js |   162 +-
 modular/sortable.core.esm.js     |   162 +-
 modular/sortable.esm.js          |   162 +-
 package-lock.json                | 13423 +++++++++++++++++++++++------
 package.json                     |     2 +-
 7 files changed, 11374 insertions(+), 2707 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index 152867f4b..db509f8fc 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.13.0
+ * Sortable 1.14.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -8,9 +8,49 @@
   typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
   typeof define === 'function' && define.amd ? define(factory) :
   (global = global || self, global.Sortable = factory());
-}(this, function () { 'use strict';
+}(this, (function () { 'use strict';
+
+  function ownKeys(object, enumerableOnly) {
+    var keys = Object.keys(object);
+
+    if (Object.getOwnPropertySymbols) {
+      var symbols = Object.getOwnPropertySymbols(object);
+
+      if (enumerableOnly) {
+        symbols = symbols.filter(function (sym) {
+          return Object.getOwnPropertyDescriptor(object, sym).enumerable;
+        });
+      }
+
+      keys.push.apply(keys, symbols);
+    }
+
+    return keys;
+  }
+
+  function _objectSpread2(target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = arguments[i] != null ? arguments[i] : {};
+
+      if (i % 2) {
+        ownKeys(Object(source), true).forEach(function (key) {
+          _defineProperty(target, key, source[key]);
+        });
+      } else if (Object.getOwnPropertyDescriptors) {
+        Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
+      } else {
+        ownKeys(Object(source)).forEach(function (key) {
+          Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
+        });
+      }
+    }
+
+    return target;
+  }
 
   function _typeof(obj) {
+    "@babel/helpers - typeof";
+
     if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
       _typeof = function (obj) {
         return typeof obj;
@@ -57,25 +97,6 @@
     return _extends.apply(this, arguments);
   }
 
-  function _objectSpread(target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i] != null ? arguments[i] : {};
-      var ownKeys = Object.keys(source);
-
-      if (typeof Object.getOwnPropertySymbols === 'function') {
-        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
-          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
-        }));
-      }
-
-      ownKeys.forEach(function (key) {
-        _defineProperty(target, key, source[key]);
-      });
-    }
-
-    return target;
-  }
-
   function _objectWithoutPropertiesLoose(source, excluded) {
     if (source == null) return {};
     var target = {};
@@ -113,32 +134,43 @@
   }
 
   function _toConsumableArray(arr) {
-    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
   }
 
   function _arrayWithoutHoles(arr) {
-    if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-      return arr2;
-    }
+    if (Array.isArray(arr)) return _arrayLikeToArray(arr);
   }
 
   function _iterableToArray(iter) {
-    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+    if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
+  }
+
+  function _unsupportedIterableToArray(o, minLen) {
+    if (!o) return;
+    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+    var n = Object.prototype.toString.call(o).slice(8, -1);
+    if (n === "Object" && o.constructor) n = o.constructor.name;
+    if (n === "Map" || n === "Set") return Array.from(o);
+    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+  }
+
+  function _arrayLikeToArray(arr, len) {
+    if (len == null || len > arr.length) len = arr.length;
+
+    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+
+    return arr2;
   }
 
   function _nonIterableSpread() {
-    throw new TypeError("Invalid attempt to spread non-iterable instance");
+    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.13.0";
+  var version = "1.14.0";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
-      return !!
-      /*@__PURE__*/
-      navigator.userAgent.match(pattern);
+      return !! /*@__PURE__*/navigator.userAgent.match(pattern);
     }
   }
 
@@ -419,13 +451,13 @@
    */
 
 
-  function getChild(el, childNum, options) {
+  function getChild(el, childNum, options, includeDragEl) {
     var currentChild = 0,
         i = 0,
         children = el.children;
 
     while (i < children.length) {
-      if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
+      if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
         if (currentChild === childNum) {
           return children[i];
         }
@@ -643,7 +675,7 @@
             rect: getRect(child)
           });
 
-          var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+          var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
 
 
           if (child.thisAnimationDuration) {
@@ -813,7 +845,7 @@
         if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
         if (sortable[plugin.pluginName][eventNameGlobal]) {
-          sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+          sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
             sortable: sortable
           }, evt));
         } // Only fire plugin event if plugin is enabled in this sortable,
@@ -821,7 +853,7 @@
 
 
         if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-          sortable[plugin.pluginName][eventName](_objectSpread({
+          sortable[plugin.pluginName][eventName](_objectSpread2({
             sortable: sortable
           }, evt));
         }
@@ -913,7 +945,7 @@
     evt.originalEvent = originalEvent;
     evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-    var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
+    var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
 
     for (var option in allEventProperties) {
       evt[option] = allEventProperties[option];
@@ -928,12 +960,14 @@
     }
   }
 
+  var _excluded = ["evt"];
+
   var pluginEvent = function pluginEvent(eventName, sortable) {
     var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
         originalEvent = _ref.evt,
-        data = _objectWithoutProperties(_ref, ["evt"]);
+        data = _objectWithoutProperties(_ref, _excluded);
 
-    PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
+    PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
       dragEl: dragEl,
       parentEl: parentEl,
       ghostEl: ghostEl,
@@ -969,7 +1003,7 @@
   };
 
   function _dispatchEvent(info) {
-    dispatchEvent(_objectSpread({
+    dispatchEvent(_objectSpread2({
       putSortable: putSortable,
       cloneEl: cloneEl,
       targetEl: dragEl,
@@ -1078,13 +1112,13 @@
   _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
     var ret;
     sortables.some(function (sortable) {
-      if (lastChild(sortable)) return;
+      var threshold = sortable[expando].options.emptyInsertThreshold;
+      if (!threshold || lastChild(sortable)) return;
       var rect = getRect(sortable),
-          threshold = sortable[expando].options.emptyInsertThreshold,
           insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
           insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
 
-      if (threshold && insideHorizontally && insideVertically) {
+      if (insideHorizontally && insideVertically) {
         return ret = sortable;
       }
     });
@@ -1835,7 +1869,7 @@
       if (_silent) return;
 
       function dragOverEvent(name, extra) {
-        pluginEvent(name, _this, _objectSpread({
+        pluginEvent(name, _this, _objectSpread2({
           evt: evt,
           isOwner: isOwner,
           axis: vertical ? 'vertical' : 'horizontal',
@@ -1952,7 +1986,7 @@
 
       ignoreNextClick = false;
 
-      if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
+      if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
       : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
         vertical = this._getDirection(evt, target) === 'vertical';
         dragRect = getRect(dragEl);
@@ -1982,10 +2016,11 @@
         var elLastChild = lastChild(el, options.draggable);
 
         if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
+          // Insert to end of list
           // If already at end of list: Do not insert
           if (elLastChild === dragEl) {
             return completed(false);
-          } // assign target only if condition is true
+          } // if there is a last element, it is the target
 
 
           if (elLastChild && el === evt.target) {
@@ -2001,6 +2036,25 @@
             el.appendChild(dragEl);
             parentEl = el; // actualization
 
+            changed();
+            return completed(true);
+          }
+        } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
+          // Insert to start of list
+          var firstChild = getChild(el, 0, options, true);
+
+          if (firstChild === dragEl) {
+            return completed(false);
+          }
+
+          target = firstChild;
+          targetRect = getRect(target);
+
+          if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
+            capture();
+            el.insertBefore(dragEl, firstChild);
+            parentEl = el; // actualization
+
             changed();
             return completed(true);
           }
@@ -2514,6 +2568,12 @@
     _silent = false;
   }
 
+  function _ghostIsFirst(evt, vertical, sortable) {
+    var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+    var spacer = 10;
+    return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+  }
+
   function _ghostIsLast(evt, vertical, sortable) {
     var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
     var spacer = 10;
@@ -2674,7 +2734,7 @@
         throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
       }
 
-      if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
+      if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
       PluginManager.mount(plugin);
     });
   };
@@ -2705,6 +2765,7 @@
     function AutoScroll() {
       this.defaults = {
         scroll: true,
+        forceAutoScrollFallback: false,
         scrollSensitivity: 30,
         scrollSpeed: 10,
         bubbleScroll: true
@@ -2772,7 +2833,7 @@
         // MACOS Safari does not have autoscroll,
         // Firefox and Chrome are good
 
-        if (fallback || Edge || IE11OrLess || Safari) {
+        if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
           autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
 
           var ogElemScroller = getParentAutoScrollElement(elem, true);
@@ -3472,7 +3533,8 @@
 
 
         if (dragStarted && this.isMultiDrag) {
-          // Do not "unfold" after around dragEl if reverted
+          folding = false; // Do not "unfold" after around dragEl if reverted
+
           if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
             var dragRect = getRect(dragEl$1),
                 multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
@@ -3718,4 +3780,4 @@
 
   return Sortable;
 
-}));
+})));
diff --git a/Sortable.min.js b/Sortable.min.js
index 4fe7f0c36..7ba6b5903 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.13.0 - MIT | git://github.com/SortableJS/Sortable.git */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Sortable=e()}(this,function(){"use strict";function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function a(){return(a=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var o in n)Object.prototype.hasOwnProperty.call(n,o)&&(t[o]=n[o])}return t}).apply(this,arguments)}function I(i){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},e=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(e=e.concat(Object.getOwnPropertySymbols(r).filter(function(t){return Object.getOwnPropertyDescriptor(r,t).enumerable}))),e.forEach(function(t){var e,n,o;e=i,o=r[n=t],n in e?Object.defineProperty(e,n,{value:o,enumerable:!0,configurable:!0,writable:!0}):e[n]=o})}return i}function l(t,e){if(null==t)return{};var n,o,i=function(t,e){if(null==t)return{};var n,o,i={},r=Object.keys(t);for(o=0;o<r.length;o++)n=r[o],0<=e.indexOf(n)||(i[n]=t[n]);return i}(t,e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(t);for(o=0;o<r.length;o++)n=r[o],0<=e.indexOf(n)||Object.prototype.propertyIsEnumerable.call(t,n)&&(i[n]=t[n])}return i}function e(t){return function(t){if(Array.isArray(t)){for(var e=0,n=new Array(t.length);e<t.length;e++)n[e]=t[e];return n}}(t)||function(t){if(Symbol.iterator in Object(t)||"[object Arguments]"===Object.prototype.toString.call(t))return Array.from(t)}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance")}()}function t(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var w=t(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),E=t(/Edge/i),c=t(/firefox/i),u=t(/safari/i)&&!t(/chrome/i)&&!t(/android/i),n=t(/iP(ad|od|hone)/i),i=t(/chrome/i)&&t(/android/i),r={capture:!1,passive:!1};function d(t,e,n){t.addEventListener(e,n,!w&&r)}function s(t,e,n){t.removeEventListener(e,n,!w&&r)}function h(t,e){if(e){if(">"===e[0]&&(e=e.substring(1)),t)try{if(t.matches)return t.matches(e);if(t.msMatchesSelector)return t.msMatchesSelector(e);if(t.webkitMatchesSelector)return t.webkitMatchesSelector(e)}catch(t){return!1}return!1}}function P(t,e,n,o){if(t){n=n||document;do{if(null!=e&&(">"===e[0]?t.parentNode===n&&h(t,e):h(t,e))||o&&t===n)return t;if(t===n)break}while(t=(i=t).host&&i!==document&&i.host.nodeType?i.host:i.parentNode)}var i;return null}var f,p=/\s+/g;function k(t,e,n){if(t&&e)if(t.classList)t.classList[n?"add":"remove"](e);else{var o=(" "+t.className+" ").replace(p," ").replace(" "+e+" "," ");t.className=(o+(n?" 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o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);qt=e,n||this.options.forceAutoScrollFallback||w||y||u?(ee(e,this.options,t,n),o=M(t,!0),!$t||Vt&&r===Gt&&a===Ut||(Vt&&Jt(),Vt=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,Qt()),ee(e,i.options,t,n)},10),Gt=r,Ut=a)):this.options.bubbleScroll&&M(t,!0)!==O()?ee(e,this.options,M(t,!1),!1):Qt()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Bt.mount(oe,ne),Bt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;te=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=te,te=!1!==o(n)?(I(n,i.swapClass,!0),n):null,t&&t!==te&&I(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;te&&I(te,l.swapClass,!1),te&&(l.swap||i&&i.options.swap)&&r!==te&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=te,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=B(e),r=B(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){te=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:te}}})}),Bt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag)),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,setData:function(t,e){var n="";ce.length&&re===o?ce.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;ae=t},delayEnded:function(){this.isMultiDrag=~ce.indexOf(ae)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<ce.length;n++)ue.push(_(ce[n])),ue[n].sortableIndex=ce[n].sortableIndex,ue[n].draggable=!1,ue[n].style["will-change"]="",I(ue[n],this.options.selectedClass,!1),ce[n]===ae&&I(ue[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||ce.length&&re===e&&(pe(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(pe(!1,n),ue.forEach(function(t){P(t,"display","")}),e(),se=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(ue.forEach(function(t){P(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),se=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&re&&re.multiDrag._deselectMultiDrag(),ce.forEach(function(t){t.sortableIndex=B(t)}),ce=ce.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),fe=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(ce.forEach(function(t){t!==ae&&P(t,"position","absolute")}),e=k(ae,!1,!0,!0),ce.forEach(function(t){t!==ae&&C(t,e)}),de=he=!0)),t.animateAll(function(){de=he=!1,n.options.animation&&ce.forEach(function(t){T(t)}),n.options.sort&&ge()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;he&&~ce.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<ce.length&&(ce.forEach(function(t){r.addAnimationState({target:t,rect:he?k(t):a}),T(t),t.fromRect=a,e.removeAnimationState(t)}),he=!1,n=!this.options.removeCloneOnHide,o=i,ce.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),de=!1,t.animation&&1<ce.length&&(he||!o&&!r.options.sort&&!l)&&(e=k(ae,!1,!0,!0),ce.forEach(function(t){t!==ae&&(C(t,e),a.appendChild(t))}),he=!0),o||(he||ge(),1<ce.length?(o=se,r._showClone(n),r.options.animation&&!se&&o&&ue.forEach(function(t){r.addAnimationState({target:t,rect:le}),t.fromRect=le,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;ce.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(le=a({},e),e=v(ae,!0),le.top-=e.f,le.left-=e.e)},dragOverAnimationComplete:function(){he&&(he=!1,ge())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,f=o.children;if(!fe)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),I(ae,h.selectedClass,!~ce.indexOf(ae)),~ce.indexOf(ae))ce.splice(ce.indexOf(ae),1),ie=null,W({sortable:i,rootEl:n,name:"deselect",targetEl:ae,originalEvt:e});else{if(ce.push(ae),W({sortable:i,rootEl:n,name:"select",targetEl:ae,originalEvt:e}),e.shiftKey&&ie&&i.el.contains(ie)){var p=B(ie),t=B(ae);if(~p&&~t&&p!==t)for(var g,m=p<t?(g=p,t):(g=t,p+1);g<m;g++)~ce.indexOf(f[g])||(I(f[g],h.selectedClass,!0),ce.push(f[g]),W({sortable:i,rootEl:n,name:"select",targetEl:f[g],originalEvt:e}))}else ie=ae;re=s}fe&&this.isMultiDrag&&(he=!1,(o[j].options.sort||o!==n)&&1<ce.length&&(c=k(ae),u=B(ae,":not(."+this.options.selectedClass+")"),!de&&h.animation&&(ae.thisAnimationDuration=null),s.captureAnimationState(),de||(h.animation&&(ae.fromRect=c,ce.forEach(function(t){var e;t.thisAnimationDuration=null,t!==ae&&(e=he?k(t):c,t.fromRect=e,s.addAnimationState({target:t,rect:e}))})),ge(),ce.forEach(function(t){f[u]?o.insertBefore(t,f[u]):o.appendChild(t),u++}),a===B(ae)&&(d=!1,ce.forEach(function(t){t.sortableIndex!==B(t)&&(d=!0)}),d&&r("update"))),ce.forEach(function(t){T(t)}),s.animateAll()),re=s),(n===o||l&&"clone"!==l.lastPutMode)&&ue.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=fe=!1,ue.length=0},destroyGlobal:function(){this._deselectMultiDrag(),f(document,"pointerup",this._deselectMultiDrag),f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==fe&&fe||re!==this.sortable||t&&N(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;ce.length;){var e=ce[0];I(e,this.options.selectedClass,!1),ce.shift(),W({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvt:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~ce.indexOf(t)&&(re&&re!==e&&(re.multiDrag._deselectMultiDrag(),re=e),I(t,e.options.selectedClass,!0),ce.push(t))},deselect:function(t){var e=t.parentNode[j],n=ce.indexOf(t);e&&e.options.multiDrag&&~n&&(I(t,e.options.selectedClass,!1),ce.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return ce.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=he&&t!==ae?-1:he?B(t,":not(."+n.options.selectedClass+")"):B(t),i.push({multiDragElement:t,index:e})}),{items:r(ce),clones:[].concat(ue),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Bt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index c22e37975..f3b516c4c 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,10 +1,50 @@
 /**!
- * Sortable 1.13.0
+ * Sortable 1.14.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
+function ownKeys(object, enumerableOnly) {
+  var keys = Object.keys(object);
+
+  if (Object.getOwnPropertySymbols) {
+    var symbols = Object.getOwnPropertySymbols(object);
+
+    if (enumerableOnly) {
+      symbols = symbols.filter(function (sym) {
+        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
+      });
+    }
+
+    keys.push.apply(keys, symbols);
+  }
+
+  return keys;
+}
+
+function _objectSpread2(target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i] != null ? arguments[i] : {};
+
+    if (i % 2) {
+      ownKeys(Object(source), true).forEach(function (key) {
+        _defineProperty(target, key, source[key]);
+      });
+    } else if (Object.getOwnPropertyDescriptors) {
+      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
+    } else {
+      ownKeys(Object(source)).forEach(function (key) {
+        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
+      });
+    }
+  }
+
+  return target;
+}
+
 function _typeof(obj) {
+  "@babel/helpers - typeof";
+
   if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
     _typeof = function (obj) {
       return typeof obj;
@@ -51,25 +91,6 @@ function _extends() {
   return _extends.apply(this, arguments);
 }
 
-function _objectSpread(target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i] != null ? arguments[i] : {};
-    var ownKeys = Object.keys(source);
-
-    if (typeof Object.getOwnPropertySymbols === 'function') {
-      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
-        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
-      }));
-    }
-
-    ownKeys.forEach(function (key) {
-      _defineProperty(target, key, source[key]);
-    });
-  }
-
-  return target;
-}
-
 function _objectWithoutPropertiesLoose(source, excluded) {
   if (source == null) return {};
   var target = {};
@@ -107,32 +128,43 @@ function _objectWithoutProperties(source, excluded) {
 }
 
 function _toConsumableArray(arr) {
-  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
 }
 
 function _arrayWithoutHoles(arr) {
-  if (Array.isArray(arr)) {
-    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-    return arr2;
-  }
+  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
 }
 
 function _iterableToArray(iter) {
-  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
+}
+
+function _unsupportedIterableToArray(o, minLen) {
+  if (!o) return;
+  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+  var n = Object.prototype.toString.call(o).slice(8, -1);
+  if (n === "Object" && o.constructor) n = o.constructor.name;
+  if (n === "Map" || n === "Set") return Array.from(o);
+  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+}
+
+function _arrayLikeToArray(arr, len) {
+  if (len == null || len > arr.length) len = arr.length;
+
+  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+
+  return arr2;
 }
 
 function _nonIterableSpread() {
-  throw new TypeError("Invalid attempt to spread non-iterable instance");
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.13.0";
+var version = "1.14.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
-    return !!
-    /*@__PURE__*/
-    navigator.userAgent.match(pattern);
+    return !! /*@__PURE__*/navigator.userAgent.match(pattern);
   }
 }
 
@@ -413,13 +445,13 @@ function isScrolledPast(el, elSide, parentSide) {
  */
 
 
-function getChild(el, childNum, options) {
+function getChild(el, childNum, options, includeDragEl) {
   var currentChild = 0,
       i = 0,
       children = el.children;
 
   while (i < children.length) {
-    if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
+    if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
       if (currentChild === childNum) {
         return children[i];
       }
@@ -637,7 +669,7 @@ function AnimationStateManager() {
           rect: getRect(child)
         });
 
-        var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
 
 
         if (child.thisAnimationDuration) {
@@ -807,7 +839,7 @@ var PluginManager = {
       if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
       if (sortable[plugin.pluginName][eventNameGlobal]) {
-        sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+        sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
           sortable: sortable
         }, evt));
       } // Only fire plugin event if plugin is enabled in this sortable,
@@ -815,7 +847,7 @@ var PluginManager = {
 
 
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-        sortable[plugin.pluginName][eventName](_objectSpread({
+        sortable[plugin.pluginName][eventName](_objectSpread2({
           sortable: sortable
         }, evt));
       }
@@ -907,7 +939,7 @@ function dispatchEvent(_ref) {
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-  var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
+  var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
 
   for (var option in allEventProperties) {
     evt[option] = allEventProperties[option];
@@ -922,12 +954,14 @@ function dispatchEvent(_ref) {
   }
 }
 
+var _excluded = ["evt"];
+
 var pluginEvent = function pluginEvent(eventName, sortable) {
   var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
       originalEvent = _ref.evt,
-      data = _objectWithoutProperties(_ref, ["evt"]);
+      data = _objectWithoutProperties(_ref, _excluded);
 
-  PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
+  PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
     dragEl: dragEl,
     parentEl: parentEl,
     ghostEl: ghostEl,
@@ -963,7 +997,7 @@ var pluginEvent = function pluginEvent(eventName, sortable) {
 };
 
 function _dispatchEvent(info) {
-  dispatchEvent(_objectSpread({
+  dispatchEvent(_objectSpread2({
     putSortable: putSortable,
     cloneEl: cloneEl,
     targetEl: dragEl,
@@ -1072,13 +1106,13 @@ supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in
 _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
   var ret;
   sortables.some(function (sortable) {
-    if (lastChild(sortable)) return;
+    var threshold = sortable[expando].options.emptyInsertThreshold;
+    if (!threshold || lastChild(sortable)) return;
     var rect = getRect(sortable),
-        threshold = sortable[expando].options.emptyInsertThreshold,
         insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
         insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
 
-    if (threshold && insideHorizontally && insideVertically) {
+    if (insideHorizontally && insideVertically) {
       return ret = sortable;
     }
   });
@@ -1829,7 +1863,7 @@ Sortable.prototype =
     if (_silent) return;
 
     function dragOverEvent(name, extra) {
-      pluginEvent(name, _this, _objectSpread({
+      pluginEvent(name, _this, _objectSpread2({
         evt: evt,
         isOwner: isOwner,
         axis: vertical ? 'vertical' : 'horizontal',
@@ -1946,7 +1980,7 @@ Sortable.prototype =
 
     ignoreNextClick = false;
 
-    if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
+    if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
     : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
       vertical = this._getDirection(evt, target) === 'vertical';
       dragRect = getRect(dragEl);
@@ -1976,10 +2010,11 @@ Sortable.prototype =
       var elLastChild = lastChild(el, options.draggable);
 
       if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
+        // Insert to end of list
         // If already at end of list: Do not insert
         if (elLastChild === dragEl) {
           return completed(false);
-        } // assign target only if condition is true
+        } // if there is a last element, it is the target
 
 
         if (elLastChild && el === evt.target) {
@@ -1995,6 +2030,25 @@ Sortable.prototype =
           el.appendChild(dragEl);
           parentEl = el; // actualization
 
+          changed();
+          return completed(true);
+        }
+      } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
+        // Insert to start of list
+        var firstChild = getChild(el, 0, options, true);
+
+        if (firstChild === dragEl) {
+          return completed(false);
+        }
+
+        target = firstChild;
+        targetRect = getRect(target);
+
+        if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
+          capture();
+          el.insertBefore(dragEl, firstChild);
+          parentEl = el; // actualization
+
           changed();
           return completed(true);
         }
@@ -2508,6 +2562,12 @@ function _unsilent() {
   _silent = false;
 }
 
+function _ghostIsFirst(evt, vertical, sortable) {
+  var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var spacer = 10;
+  return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+}
+
 function _ghostIsLast(evt, vertical, sortable) {
   var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
   var spacer = 10;
@@ -2668,7 +2728,7 @@ Sortable.mount = function () {
       throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
 
-    if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
+    if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
     PluginManager.mount(plugin);
   });
 };
@@ -2699,6 +2759,7 @@ function AutoScrollPlugin() {
   function AutoScroll() {
     this.defaults = {
       scroll: true,
+      forceAutoScrollFallback: false,
       scrollSensitivity: 30,
       scrollSpeed: 10,
       bubbleScroll: true
@@ -2766,7 +2827,7 @@ function AutoScrollPlugin() {
       // MACOS Safari does not have autoscroll,
       // Firefox and Chrome are good
 
-      if (fallback || Edge || IE11OrLess || Safari) {
+      if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
         autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
 
         var ogElemScroller = getParentAutoScrollElement(elem, true);
@@ -3466,7 +3527,8 @@ function MultiDragPlugin() {
 
 
       if (dragStarted && this.isMultiDrag) {
-        // Do not "unfold" after around dragEl if reverted
+        folding = false; // Do not "unfold" after around dragEl if reverted
+
         if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
           var dragRect = getRect(dragEl$1),
               multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 269ab0694..05a0eee2e 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,10 +1,50 @@
 /**!
- * Sortable 1.13.0
+ * Sortable 1.14.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
+function ownKeys(object, enumerableOnly) {
+  var keys = Object.keys(object);
+
+  if (Object.getOwnPropertySymbols) {
+    var symbols = Object.getOwnPropertySymbols(object);
+
+    if (enumerableOnly) {
+      symbols = symbols.filter(function (sym) {
+        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
+      });
+    }
+
+    keys.push.apply(keys, symbols);
+  }
+
+  return keys;
+}
+
+function _objectSpread2(target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i] != null ? arguments[i] : {};
+
+    if (i % 2) {
+      ownKeys(Object(source), true).forEach(function (key) {
+        _defineProperty(target, key, source[key]);
+      });
+    } else if (Object.getOwnPropertyDescriptors) {
+      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
+    } else {
+      ownKeys(Object(source)).forEach(function (key) {
+        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
+      });
+    }
+  }
+
+  return target;
+}
+
 function _typeof(obj) {
+  "@babel/helpers - typeof";
+
   if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
     _typeof = function (obj) {
       return typeof obj;
@@ -51,25 +91,6 @@ function _extends() {
   return _extends.apply(this, arguments);
 }
 
-function _objectSpread(target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i] != null ? arguments[i] : {};
-    var ownKeys = Object.keys(source);
-
-    if (typeof Object.getOwnPropertySymbols === 'function') {
-      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
-        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
-      }));
-    }
-
-    ownKeys.forEach(function (key) {
-      _defineProperty(target, key, source[key]);
-    });
-  }
-
-  return target;
-}
-
 function _objectWithoutPropertiesLoose(source, excluded) {
   if (source == null) return {};
   var target = {};
@@ -107,32 +128,43 @@ function _objectWithoutProperties(source, excluded) {
 }
 
 function _toConsumableArray(arr) {
-  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
 }
 
 function _arrayWithoutHoles(arr) {
-  if (Array.isArray(arr)) {
-    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-    return arr2;
-  }
+  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
 }
 
 function _iterableToArray(iter) {
-  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
+}
+
+function _unsupportedIterableToArray(o, minLen) {
+  if (!o) return;
+  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+  var n = Object.prototype.toString.call(o).slice(8, -1);
+  if (n === "Object" && o.constructor) n = o.constructor.name;
+  if (n === "Map" || n === "Set") return Array.from(o);
+  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+}
+
+function _arrayLikeToArray(arr, len) {
+  if (len == null || len > arr.length) len = arr.length;
+
+  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+
+  return arr2;
 }
 
 function _nonIterableSpread() {
-  throw new TypeError("Invalid attempt to spread non-iterable instance");
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.13.0";
+var version = "1.14.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
-    return !!
-    /*@__PURE__*/
-    navigator.userAgent.match(pattern);
+    return !! /*@__PURE__*/navigator.userAgent.match(pattern);
   }
 }
 
@@ -413,13 +445,13 @@ function isScrolledPast(el, elSide, parentSide) {
  */
 
 
-function getChild(el, childNum, options) {
+function getChild(el, childNum, options, includeDragEl) {
   var currentChild = 0,
       i = 0,
       children = el.children;
 
   while (i < children.length) {
-    if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
+    if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
       if (currentChild === childNum) {
         return children[i];
       }
@@ -637,7 +669,7 @@ function AnimationStateManager() {
           rect: getRect(child)
         });
 
-        var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
 
 
         if (child.thisAnimationDuration) {
@@ -807,7 +839,7 @@ var PluginManager = {
       if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
       if (sortable[plugin.pluginName][eventNameGlobal]) {
-        sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+        sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
           sortable: sortable
         }, evt));
       } // Only fire plugin event if plugin is enabled in this sortable,
@@ -815,7 +847,7 @@ var PluginManager = {
 
 
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-        sortable[plugin.pluginName][eventName](_objectSpread({
+        sortable[plugin.pluginName][eventName](_objectSpread2({
           sortable: sortable
         }, evt));
       }
@@ -907,7 +939,7 @@ function dispatchEvent(_ref) {
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-  var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
+  var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
 
   for (var option in allEventProperties) {
     evt[option] = allEventProperties[option];
@@ -922,12 +954,14 @@ function dispatchEvent(_ref) {
   }
 }
 
+var _excluded = ["evt"];
+
 var pluginEvent = function pluginEvent(eventName, sortable) {
   var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
       originalEvent = _ref.evt,
-      data = _objectWithoutProperties(_ref, ["evt"]);
+      data = _objectWithoutProperties(_ref, _excluded);
 
-  PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
+  PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
     dragEl: dragEl,
     parentEl: parentEl,
     ghostEl: ghostEl,
@@ -963,7 +997,7 @@ var pluginEvent = function pluginEvent(eventName, sortable) {
 };
 
 function _dispatchEvent(info) {
-  dispatchEvent(_objectSpread({
+  dispatchEvent(_objectSpread2({
     putSortable: putSortable,
     cloneEl: cloneEl,
     targetEl: dragEl,
@@ -1072,13 +1106,13 @@ supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in
 _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
   var ret;
   sortables.some(function (sortable) {
-    if (lastChild(sortable)) return;
+    var threshold = sortable[expando].options.emptyInsertThreshold;
+    if (!threshold || lastChild(sortable)) return;
     var rect = getRect(sortable),
-        threshold = sortable[expando].options.emptyInsertThreshold,
         insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
         insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
 
-    if (threshold && insideHorizontally && insideVertically) {
+    if (insideHorizontally && insideVertically) {
       return ret = sortable;
     }
   });
@@ -1829,7 +1863,7 @@ Sortable.prototype =
     if (_silent) return;
 
     function dragOverEvent(name, extra) {
-      pluginEvent(name, _this, _objectSpread({
+      pluginEvent(name, _this, _objectSpread2({
         evt: evt,
         isOwner: isOwner,
         axis: vertical ? 'vertical' : 'horizontal',
@@ -1946,7 +1980,7 @@ Sortable.prototype =
 
     ignoreNextClick = false;
 
-    if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
+    if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
     : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
       vertical = this._getDirection(evt, target) === 'vertical';
       dragRect = getRect(dragEl);
@@ -1976,10 +2010,11 @@ Sortable.prototype =
       var elLastChild = lastChild(el, options.draggable);
 
       if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
+        // Insert to end of list
         // If already at end of list: Do not insert
         if (elLastChild === dragEl) {
           return completed(false);
-        } // assign target only if condition is true
+        } // if there is a last element, it is the target
 
 
         if (elLastChild && el === evt.target) {
@@ -1995,6 +2030,25 @@ Sortable.prototype =
           el.appendChild(dragEl);
           parentEl = el; // actualization
 
+          changed();
+          return completed(true);
+        }
+      } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
+        // Insert to start of list
+        var firstChild = getChild(el, 0, options, true);
+
+        if (firstChild === dragEl) {
+          return completed(false);
+        }
+
+        target = firstChild;
+        targetRect = getRect(target);
+
+        if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
+          capture();
+          el.insertBefore(dragEl, firstChild);
+          parentEl = el; // actualization
+
           changed();
           return completed(true);
         }
@@ -2508,6 +2562,12 @@ function _unsilent() {
   _silent = false;
 }
 
+function _ghostIsFirst(evt, vertical, sortable) {
+  var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var spacer = 10;
+  return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+}
+
 function _ghostIsLast(evt, vertical, sortable) {
   var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
   var spacer = 10;
@@ -2668,7 +2728,7 @@ Sortable.mount = function () {
       throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
 
-    if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
+    if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
     PluginManager.mount(plugin);
   });
 };
@@ -2699,6 +2759,7 @@ function AutoScrollPlugin() {
   function AutoScroll() {
     this.defaults = {
       scroll: true,
+      forceAutoScrollFallback: false,
       scrollSensitivity: 30,
       scrollSpeed: 10,
       bubbleScroll: true
@@ -2766,7 +2827,7 @@ function AutoScrollPlugin() {
       // MACOS Safari does not have autoscroll,
       // Firefox and Chrome are good
 
-      if (fallback || Edge || IE11OrLess || Safari) {
+      if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
         autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
 
         var ogElemScroller = getParentAutoScrollElement(elem, true);
@@ -3468,7 +3529,8 @@ function MultiDragPlugin() {
 
 
       if (dragStarted && this.isMultiDrag) {
-        // Do not "unfold" after around dragEl if reverted
+        folding = false; // Do not "unfold" after around dragEl if reverted
+
         if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
           var dragRect = getRect(dragEl$1),
               multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 0117871b1..dfbb17f21 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,10 +1,50 @@
 /**!
- * Sortable 1.13.0
+ * Sortable 1.14.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
+function ownKeys(object, enumerableOnly) {
+  var keys = Object.keys(object);
+
+  if (Object.getOwnPropertySymbols) {
+    var symbols = Object.getOwnPropertySymbols(object);
+
+    if (enumerableOnly) {
+      symbols = symbols.filter(function (sym) {
+        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
+      });
+    }
+
+    keys.push.apply(keys, symbols);
+  }
+
+  return keys;
+}
+
+function _objectSpread2(target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i] != null ? arguments[i] : {};
+
+    if (i % 2) {
+      ownKeys(Object(source), true).forEach(function (key) {
+        _defineProperty(target, key, source[key]);
+      });
+    } else if (Object.getOwnPropertyDescriptors) {
+      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
+    } else {
+      ownKeys(Object(source)).forEach(function (key) {
+        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
+      });
+    }
+  }
+
+  return target;
+}
+
 function _typeof(obj) {
+  "@babel/helpers - typeof";
+
   if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
     _typeof = function (obj) {
       return typeof obj;
@@ -51,25 +91,6 @@ function _extends() {
   return _extends.apply(this, arguments);
 }
 
-function _objectSpread(target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i] != null ? arguments[i] : {};
-    var ownKeys = Object.keys(source);
-
-    if (typeof Object.getOwnPropertySymbols === 'function') {
-      ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
-        return Object.getOwnPropertyDescriptor(source, sym).enumerable;
-      }));
-    }
-
-    ownKeys.forEach(function (key) {
-      _defineProperty(target, key, source[key]);
-    });
-  }
-
-  return target;
-}
-
 function _objectWithoutPropertiesLoose(source, excluded) {
   if (source == null) return {};
   var target = {};
@@ -107,32 +128,43 @@ function _objectWithoutProperties(source, excluded) {
 }
 
 function _toConsumableArray(arr) {
-  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
 }
 
 function _arrayWithoutHoles(arr) {
-  if (Array.isArray(arr)) {
-    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-    return arr2;
-  }
+  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
 }
 
 function _iterableToArray(iter) {
-  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
+}
+
+function _unsupportedIterableToArray(o, minLen) {
+  if (!o) return;
+  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
+  var n = Object.prototype.toString.call(o).slice(8, -1);
+  if (n === "Object" && o.constructor) n = o.constructor.name;
+  if (n === "Map" || n === "Set") return Array.from(o);
+  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+}
+
+function _arrayLikeToArray(arr, len) {
+  if (len == null || len > arr.length) len = arr.length;
+
+  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
+
+  return arr2;
 }
 
 function _nonIterableSpread() {
-  throw new TypeError("Invalid attempt to spread non-iterable instance");
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.13.0";
+var version = "1.14.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
-    return !!
-    /*@__PURE__*/
-    navigator.userAgent.match(pattern);
+    return !! /*@__PURE__*/navigator.userAgent.match(pattern);
   }
 }
 
@@ -413,13 +445,13 @@ function isScrolledPast(el, elSide, parentSide) {
  */
 
 
-function getChild(el, childNum, options) {
+function getChild(el, childNum, options, includeDragEl) {
   var currentChild = 0,
       i = 0,
       children = el.children;
 
   while (i < children.length) {
-    if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
+    if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
       if (currentChild === childNum) {
         return children[i];
       }
@@ -637,7 +669,7 @@ function AnimationStateManager() {
           rect: getRect(child)
         });
 
-        var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
+        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
 
 
         if (child.thisAnimationDuration) {
@@ -807,7 +839,7 @@ var PluginManager = {
       if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
 
       if (sortable[plugin.pluginName][eventNameGlobal]) {
-        sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
+        sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
           sortable: sortable
         }, evt));
       } // Only fire plugin event if plugin is enabled in this sortable,
@@ -815,7 +847,7 @@ var PluginManager = {
 
 
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
-        sortable[plugin.pluginName][eventName](_objectSpread({
+        sortable[plugin.pluginName][eventName](_objectSpread2({
           sortable: sortable
         }, evt));
       }
@@ -907,7 +939,7 @@ function dispatchEvent(_ref) {
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
 
-  var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
+  var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
 
   for (var option in allEventProperties) {
     evt[option] = allEventProperties[option];
@@ -922,12 +954,14 @@ function dispatchEvent(_ref) {
   }
 }
 
+var _excluded = ["evt"];
+
 var pluginEvent = function pluginEvent(eventName, sortable) {
   var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
       originalEvent = _ref.evt,
-      data = _objectWithoutProperties(_ref, ["evt"]);
+      data = _objectWithoutProperties(_ref, _excluded);
 
-  PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
+  PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
     dragEl: dragEl,
     parentEl: parentEl,
     ghostEl: ghostEl,
@@ -963,7 +997,7 @@ var pluginEvent = function pluginEvent(eventName, sortable) {
 };
 
 function _dispatchEvent(info) {
-  dispatchEvent(_objectSpread({
+  dispatchEvent(_objectSpread2({
     putSortable: putSortable,
     cloneEl: cloneEl,
     targetEl: dragEl,
@@ -1072,13 +1106,13 @@ supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in
 _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
   var ret;
   sortables.some(function (sortable) {
-    if (lastChild(sortable)) return;
+    var threshold = sortable[expando].options.emptyInsertThreshold;
+    if (!threshold || lastChild(sortable)) return;
     var rect = getRect(sortable),
-        threshold = sortable[expando].options.emptyInsertThreshold,
         insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
         insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
 
-    if (threshold && insideHorizontally && insideVertically) {
+    if (insideHorizontally && insideVertically) {
       return ret = sortable;
     }
   });
@@ -1829,7 +1863,7 @@ Sortable.prototype =
     if (_silent) return;
 
     function dragOverEvent(name, extra) {
-      pluginEvent(name, _this, _objectSpread({
+      pluginEvent(name, _this, _objectSpread2({
         evt: evt,
         isOwner: isOwner,
         axis: vertical ? 'vertical' : 'horizontal',
@@ -1946,7 +1980,7 @@ Sortable.prototype =
 
     ignoreNextClick = false;
 
-    if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
+    if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
     : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
       vertical = this._getDirection(evt, target) === 'vertical';
       dragRect = getRect(dragEl);
@@ -1976,10 +2010,11 @@ Sortable.prototype =
       var elLastChild = lastChild(el, options.draggable);
 
       if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
+        // Insert to end of list
         // If already at end of list: Do not insert
         if (elLastChild === dragEl) {
           return completed(false);
-        } // assign target only if condition is true
+        } // if there is a last element, it is the target
 
 
         if (elLastChild && el === evt.target) {
@@ -1995,6 +2030,25 @@ Sortable.prototype =
           el.appendChild(dragEl);
           parentEl = el; // actualization
 
+          changed();
+          return completed(true);
+        }
+      } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
+        // Insert to start of list
+        var firstChild = getChild(el, 0, options, true);
+
+        if (firstChild === dragEl) {
+          return completed(false);
+        }
+
+        target = firstChild;
+        targetRect = getRect(target);
+
+        if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
+          capture();
+          el.insertBefore(dragEl, firstChild);
+          parentEl = el; // actualization
+
           changed();
           return completed(true);
         }
@@ -2508,6 +2562,12 @@ function _unsilent() {
   _silent = false;
 }
 
+function _ghostIsFirst(evt, vertical, sortable) {
+  var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var spacer = 10;
+  return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+}
+
 function _ghostIsLast(evt, vertical, sortable) {
   var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
   var spacer = 10;
@@ -2668,7 +2728,7 @@ Sortable.mount = function () {
       throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
 
-    if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
+    if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
     PluginManager.mount(plugin);
   });
 };
@@ -2699,6 +2759,7 @@ function AutoScrollPlugin() {
   function AutoScroll() {
     this.defaults = {
       scroll: true,
+      forceAutoScrollFallback: false,
       scrollSensitivity: 30,
       scrollSpeed: 10,
       bubbleScroll: true
@@ -2766,7 +2827,7 @@ function AutoScrollPlugin() {
       // MACOS Safari does not have autoscroll,
       // Firefox and Chrome are good
 
-      if (fallback || Edge || IE11OrLess || Safari) {
+      if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
         autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
 
         var ogElemScroller = getParentAutoScrollElement(elem, true);
@@ -3466,7 +3527,8 @@ function MultiDragPlugin() {
 
 
       if (dragStarted && this.isMultiDrag) {
-        // Do not "unfold" after around dragEl if reverted
+        folding = false; // Do not "unfold" after around dragEl if reverted
+
         if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
           var dragRect = getRect(dragEl$1),
               multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
diff --git a/package-lock.json b/package-lock.json
index dbc696bd5..056129801 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,1919 +1,9664 @@
 {
 	"name": "sortablejs",
-	"version": "1.10.1",
-	"lockfileVersion": 1,
+	"version": "1.14.0",
+	"lockfileVersion": 2,
 	"requires": true,
-	"dependencies": {
-		"@babel/code-frame": {
-			"version": "7.0.0",
-			"resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
-			"integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+	"packages": {
+		"": {
+			"name": "sortablejs",
+			"version": "1.14.0",
+			"license": "MIT",
+			"devDependencies": {
+				"@babel/core": "^7.4.4",
+				"@babel/plugin-transform-object-assign": "^7.2.0",
+				"@babel/preset-env": "^7.4.4",
+				"rollup": "^1.11.3",
+				"rollup-plugin-babel": "^4.3.2",
+				"rollup-plugin-json": "^4.0.0",
+				"rollup-plugin-node-resolve": "^5.0.0",
+				"testcafe": "^1.3.1",
+				"testcafe-browser-provider-saucelabs": "^1.7.0",
+				"testcafe-reporter-xunit": "^2.1.0",
+				"uglify-js": "^3.5.12"
+			}
+		},
+		"node_modules/@babel/code-frame": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz",
+			"integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==",
 			"dev": true,
-			"requires": {
-				"@babel/highlight": "^7.0.0"
+			"dependencies": {
+				"@babel/highlight": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
 		},
-		"@babel/core": {
-			"version": "7.4.5",
-			"resolved": "https://registry.npmjs.org/@babel/core/-/core-7.4.5.tgz",
-			"integrity": "sha512-OvjIh6aqXtlsA8ujtGKfC7LYWksYSX8yQcM8Ay3LuvVeQ63lcOKgoZWVqcpFwkd29aYU9rVx7jxhfhiEDV9MZA==",
+		"node_modules/@babel/compat-data": {
+			"version": "7.14.7",
+			"resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.14.7.tgz",
+			"integrity": "sha512-nS6dZaISCXJ3+518CWiBfEr//gHyMO02uDxBkXTKZDN5POruCnOZ1N4YBRZDCabwF8nZMWBpRxIicmXtBs+fvw==",
 			"dev": true,
-			"requires": {
-				"@babel/code-frame": "^7.0.0",
-				"@babel/generator": "^7.4.4",
-				"@babel/helpers": "^7.4.4",
-				"@babel/parser": "^7.4.5",
-				"@babel/template": "^7.4.4",
-				"@babel/traverse": "^7.4.5",
-				"@babel/types": "^7.4.4",
-				"convert-source-map": "^1.1.0",
+			"engines": {
+				"node": ">=6.9.0"
+			}
+		},
+		"node_modules/@babel/core": {
+			"version": "7.14.6",
+			"resolved": "https://registry.npmjs.org/@babel/core/-/core-7.14.6.tgz",
+			"integrity": "sha512-gJnOEWSqTk96qG5BoIrl5bVtc23DCycmIePPYnamY9RboYdI4nFy5vAQMSl81O5K/W0sLDWfGysnOECC+KUUCA==",
+			"dev": true,
+			"dependencies": {
+				"@babel/code-frame": "^7.14.5",
+				"@babel/generator": "^7.14.5",
+				"@babel/helper-compilation-targets": "^7.14.5",
+				"@babel/helper-module-transforms": "^7.14.5",
+				"@babel/helpers": "^7.14.6",
+				"@babel/parser": "^7.14.6",
+				"@babel/template": "^7.14.5",
+				"@babel/traverse": "^7.14.5",
+				"@babel/types": "^7.14.5",
+				"convert-source-map": "^1.7.0",
 				"debug": "^4.1.0",
-				"json5": "^2.1.0",
-				"lodash": "^4.17.11",
-				"resolve": "^1.3.2",
-				"semver": "^5.4.1",
+				"gensync": "^1.0.0-beta.2",
+				"json5": "^2.1.2",
+				"semver": "^6.3.0",
 				"source-map": "^0.5.0"
+			},
+			"engines": {
+				"node": ">=6.9.0"
+			},
+			"funding": {
+				"type": "opencollective",
+				"url": "https://opencollective.com/babel"
 			}
 		},
-		"@babel/generator": {
-			"version": "7.4.4",
-			"resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.4.4.tgz",
-			"integrity": "sha512-53UOLK6TVNqKxf7RUh8NE851EHRxOOeVXKbK2bivdb+iziMyk03Sr4eaE9OELCbyZAAafAKPDwF2TPUES5QbxQ==",
+		"node_modules/@babel/generator": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.14.5.tgz",
+			"integrity": "sha512-y3rlP+/G25OIX3mYKKIOlQRcqj7YgrvHxOLbVmyLJ9bPmi5ttvUmpydVjcFjZphOktWuA7ovbx91ECloWTfjIA==",
 			"dev": true,
-			"requires": {
-				"@babel/types": "^7.4.4",
+			"dependencies": {
+				"@babel/types": "^7.14.5",
 				"jsesc": "^2.5.1",
-				"lodash": "^4.17.11",
-				"source-map": "^0.5.0",
-				"trim-right": "^1.0.1"
+				"source-map": "^0.5.0"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
 		},
-		"@babel/helper-annotate-as-pure": {
-			"version": "7.0.0",
-			"resolved": "https://registry.npmjs.org/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz",
-			"integrity": "sha512-3UYcJUj9kvSLbLbUIfQTqzcy5VX7GRZ/CCDrnOaZorFFM01aXp1+GJwuFGV4NDDoAS+mOUyHcO6UD/RfqOks3Q==",
+		"node_modules/@babel/helper-annotate-as-pure": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.14.5.tgz",
+			"integrity": "sha512-EivH9EgBIb+G8ij1B2jAwSH36WnGvkQSEC6CkX/6v6ZFlw5fVOHvsgGF4uiEHO2GzMvunZb6tDLQEQSdrdocrA==",
 			"dev": true,
-			"requires": {
-				"@babel/types": "^7.0.0"
+			"dependencies": {
+				"@babel/types": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
 		},
-		"@babel/helper-builder-binary-assignment-operator-visitor": {
-			"version": "7.1.0",
-			"resolved": "https://registry.npmjs.org/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.1.0.tgz",
-			"integrity": "sha512-qNSR4jrmJ8M1VMM9tibvyRAHXQs2PmaksQF7c1CGJNipfe3D8p+wgNwgso/P2A2r2mdgBWAXljNWR0QRZAMW8w==",
+		"node_modules/@babel/helper-builder-binary-assignment-operator-visitor": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.14.5.tgz",
+			"integrity": "sha512-YTA/Twn0vBXDVGJuAX6PwW7x5zQei1luDDo2Pl6q1qZ7hVNl0RZrhHCQG/ArGpR29Vl7ETiB8eJyrvpuRp300w==",
 			"dev": true,
-			"requires": {
-				"@babel/helper-explode-assignable-expression": "^7.1.0",
-				"@babel/types": "^7.0.0"
+			"dependencies": {
+				"@babel/helper-explode-assignable-expression": "^7.14.5",
+				"@babel/types": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
 		},
-		"@babel/helper-call-delegate": {
-			"version": "7.4.4",
-			"resolved": "https://registry.npmjs.org/@babel/helper-call-delegate/-/helper-call-delegate-7.4.4.tgz",
-			"integrity": "sha512-l79boDFJ8S1c5hvQvG+rc+wHw6IuH7YldmRKsYtpbawsxURu/paVy57FZMomGK22/JckepaikOkY0MoAmdyOlQ==",
+		"node_modules/@babel/helper-compilation-targets": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-compilation-targets/-/helper-compilation-targets-7.14.5.tgz",
+			"integrity": "sha512-v+QtZqXEiOnpO6EYvlImB6zCD2Lel06RzOPzmkz/D/XgQiUu3C/Jb1LOqSt/AIA34TYi/Q+KlT8vTQrgdxkbLw==",
 			"dev": true,
-			"requires": {
-				"@babel/helper-hoist-variables": "^7.4.4",
-				"@babel/traverse": "^7.4.4",
-				"@babel/types": "^7.4.4"
+			"dependencies": {
+				"@babel/compat-data": "^7.14.5",
+				"@babel/helper-validator-option": "^7.14.5",
+				"browserslist": "^4.16.6",
+				"semver": "^6.3.0"
+			},
+			"engines": {
+				"node": ">=6.9.0"
+			},
+			"peerDependencies": {
+				"@babel/core": "^7.0.0"
 			}
 		},
-		"@babel/helper-define-map": {
-			"version": "7.4.4",
-			"resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.4.4.tgz",
-			"integrity": "sha512-IX3Ln8gLhZpSuqHJSnTNBWGDE9kdkTEWl21A/K7PQ00tseBwbqCHTvNLHSBd9M0R5rER4h5Rsvj9vw0R5SieBg==",
+		"node_modules/@babel/helper-create-class-features-plugin": {
+			"version": "7.14.6",
+			"resolved": "https://registry.npmjs.org/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.14.6.tgz",
+			"integrity": "sha512-Z6gsfGofTxH/+LQXqYEK45kxmcensbzmk/oi8DmaQytlQCgqNZt9XQF8iqlI/SeXWVjaMNxvYvzaYw+kh42mDg==",
 			"dev": true,
-			"requires": {
-				"@babel/helper-function-name": "^7.1.0",
-				"@babel/types": "^7.4.4",
-				"lodash": "^4.17.11"
+			"dependencies": {
+				"@babel/helper-annotate-as-pure": "^7.14.5",
+				"@babel/helper-function-name": "^7.14.5",
+				"@babel/helper-member-expression-to-functions": "^7.14.5",
+				"@babel/helper-optimise-call-expression": "^7.14.5",
+				"@babel/helper-replace-supers": "^7.14.5",
+				"@babel/helper-split-export-declaration": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
+			},
+			"peerDependencies": {
+				"@babel/core": "^7.0.0"
 			}
 		},
-		"@babel/helper-explode-assignable-expression": {
-			"version": "7.1.0",
-			"resolved": "https://registry.npmjs.org/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.1.0.tgz",
-			"integrity": "sha512-NRQpfHrJ1msCHtKjbzs9YcMmJZOg6mQMmGRB+hbamEdG5PNpaSm95275VD92DvJKuyl0s2sFiDmMZ+EnnvufqA==",
+		"node_modules/@babel/helper-create-regexp-features-plugin": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-create-regexp-features-plugin/-/helper-create-regexp-features-plugin-7.14.5.tgz",
+			"integrity": "sha512-TLawwqpOErY2HhWbGJ2nZT5wSkR192QpN+nBg1THfBfftrlvOh+WbhrxXCH4q4xJ9Gl16BGPR/48JA+Ryiho/A==",
 			"dev": true,
-			"requires": {
-				"@babel/traverse": "^7.1.0",
-				"@babel/types": "^7.0.0"
+			"dependencies": {
+				"@babel/helper-annotate-as-pure": "^7.14.5",
+				"regexpu-core": "^4.7.1"
+			},
+			"engines": {
+				"node": ">=6.9.0"
+			},
+			"peerDependencies": {
+				"@babel/core": "^7.0.0"
 			}
 		},
-		"@babel/helper-function-name": {
-			"version": "7.1.0",
-			"resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz",
-			"integrity": "sha512-A95XEoCpb3TO+KZzJ4S/5uW5fNe26DjBGqf1o9ucyLyCmi1dXq/B3c8iaWTfBk3VvetUxl16e8tIrd5teOCfGw==",
+		"node_modules/@babel/helper-define-polyfill-provider": {
+			"version": "0.2.3",
+			"resolved": "https://registry.npmjs.org/@babel/helper-define-polyfill-provider/-/helper-define-polyfill-provider-0.2.3.tgz",
+			"integrity": "sha512-RH3QDAfRMzj7+0Nqu5oqgO5q9mFtQEVvCRsi8qCEfzLR9p2BHfn5FzhSB2oj1fF7I2+DcTORkYaQ6aTR9Cofew==",
 			"dev": true,
-			"requires": {
-				"@babel/helper-get-function-arity": "^7.0.0",
-				"@babel/template": "^7.1.0",
-				"@babel/types": "^7.0.0"
+			"dependencies": {
+				"@babel/helper-compilation-targets": "^7.13.0",
+				"@babel/helper-module-imports": "^7.12.13",
+				"@babel/helper-plugin-utils": "^7.13.0",
+				"@babel/traverse": "^7.13.0",
+				"debug": "^4.1.1",
+				"lodash.debounce": "^4.0.8",
+				"resolve": "^1.14.2",
+				"semver": "^6.1.2"
+			},
+			"peerDependencies": {
+				"@babel/core": "^7.4.0-0"
 			}
 		},
-		"@babel/helper-get-function-arity": {
-			"version": "7.0.0",
-			"resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz",
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+		"node_modules/@babel/helper-explode-assignable-expression": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.14.5.tgz",
+			"integrity": "sha512-Htb24gnGJdIGT4vnRKMdoXiOIlqOLmdiUYpAQ0mYfgVT/GDm8GOYhgi4GL+hMKrkiPRohO4ts34ELFsGAPQLDQ==",
 			"dev": true,
-			"requires": {
-				"@babel/types": "^7.0.0"
+			"dependencies": {
+				"@babel/types": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
 		},
-		"@babel/helper-hoist-variables": {
-			"version": "7.4.4",
-			"resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.4.4.tgz",
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+		"node_modules/@babel/helper-function-name": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.14.5.tgz",
+			"integrity": "sha512-Gjna0AsXWfFvrAuX+VKcN/aNNWonizBj39yGwUzVDVTlMYJMK2Wp6xdpy72mfArFq5uK+NOuexfzZlzI1z9+AQ==",
 			"dev": true,
-			"requires": {
-				"@babel/types": "^7.4.4"
+			"dependencies": {
+				"@babel/helper-get-function-arity": "^7.14.5",
+				"@babel/template": "^7.14.5",
+				"@babel/types": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
 		},
-		"@babel/helper-member-expression-to-functions": {
-			"version": "7.0.0",
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+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.14.5.tgz",
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+				"@babel/types": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
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-			"version": "7.0.0",
-			"resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.0.0.tgz",
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+		"node_modules/@babel/helper-hoist-variables": {
+			"version": "7.14.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.14.5.tgz",
+			"integrity": "sha512-R1PXiz31Uc0Vxy4OEOm07x0oSjKAdPPCh3tPivn/Eo8cvz6gveAeuyUUPB21Hoiif0uoPQSSdhIPS3352nvdyQ==",
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-				"@babel/types": "^7.0.0"
+			"dependencies": {
+				"@babel/types": "^7.14.5"
+			},
+			"engines": {
+				"node": ">=6.9.0"
 			}
 		},
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+		"node_modules/@babel/helper-member-expression-to-functions": {
+			"version": "7.14.7",
+			"resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.14.7.tgz",
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+					"dev": true,
+					"requires": {
+						"aws-sign2": "~0.7.0",
+						"aws4": "^1.8.0",
+						"caseless": "~0.12.0",
+						"combined-stream": "~1.0.6",
+						"extend": "~3.0.2",
+						"forever-agent": "~0.6.1",
+						"form-data": "~2.3.2",
+						"har-validator": "~5.1.0",
+						"http-signature": "~1.2.0",
+						"is-typedarray": "~1.0.0",
+						"isstream": "~0.1.2",
+						"json-stringify-safe": "~5.0.1",
+						"mime-types": "~2.1.19",
+						"oauth-sign": "~0.9.0",
+						"performance-now": "^2.1.0",
+						"qs": "~6.5.2",
+						"safe-buffer": "^5.1.2",
+						"tough-cookie": "~2.4.3",
+						"tunnel-agent": "^0.6.0",
+						"uuid": "^3.3.2"
+					}
+				},
+				"tough-cookie": {
+					"version": "2.4.3",
+					"resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
+					"integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
 					"dev": true,
 					"requires": {
-						"lodash": "^4.8.0"
+						"psl": "^1.1.24",
+						"punycode": "^1.4.1"
 					}
 				}
 			}
@@ -5613,9 +14036,9 @@
 			"dev": true
 		},
 		"which": {
-			"version": "1.3.1",
-			"resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
-			"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+			"version": "2.0.2",
+			"resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+			"integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
 			"dev": true,
 			"requires": {
 				"isexe": "^2.0.0"
@@ -5646,6 +14069,15 @@
 					"requires": {
 						"pinkie": "^1.0.0"
 					}
+				},
+				"which": {
+					"version": "1.3.1",
+					"resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+					"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+					"dev": true,
+					"requires": {
+						"isexe": "^2.0.0"
+					}
 				}
 			}
 		},
@@ -5676,28 +14108,15 @@
 				"ultron": "~1.1.0"
 			}
 		},
-		"xtend": {
-			"version": "4.0.1",
-			"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-			"integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
-			"dev": true
-		},
-		"yallist": {
-			"version": "2.1.2",
-			"resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-			"integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
-			"dev": true
-		},
 		"zip-stream": {
-			"version": "1.2.0",
-			"resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-1.2.0.tgz",
-			"integrity": "sha1-qLxF9MG0lpnGuQGYuqyqzbzUugQ=",
+			"version": "2.1.3",
+			"resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-2.1.3.tgz",
+			"integrity": "sha512-EkXc2JGcKhO5N5aZ7TmuNo45budRaFGHOmz24wtJR7znbNqDPmdZtUauKX6et8KAVseAMBOyWJqEpXcHTBsh7Q==",
 			"dev": true,
 			"requires": {
-				"archiver-utils": "^1.3.0",
-				"compress-commons": "^1.2.0",
-				"lodash": "^4.8.0",
-				"readable-stream": "^2.0.0"
+				"archiver-utils": "^2.1.0",
+				"compress-commons": "^2.1.1",
+				"readable-stream": "^3.4.0"
 			}
 		}
 	}
diff --git a/package.json b/package.json
index 4d9b8e669..ece28b678 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.13.0",
+	"version": "1.14.0",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 21f7ede93326cd02f8613075146fdabc6d3a769e Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sun, 8 Aug 2021 22:48:05 -0400
Subject: [PATCH 57/94] fix multidrag originalEvent

---
 plugins/MultiDrag/MultiDrag.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 4162037ce..03f0077c5 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -319,7 +319,7 @@ function MultiDragPlugin() {
 						rootEl,
 						name: 'select',
 						targetEl: dragEl,
-						originalEvt: evt
+						originalEvent: evt
 					});
 
 					// Modifier activated, select from last to dragEl
@@ -349,7 +349,7 @@ function MultiDragPlugin() {
 									rootEl,
 									name: 'select',
 									targetEl: children[i],
-									originalEvt: evt
+									originalEvent: evt
 								});
 							}
 						}
@@ -366,7 +366,7 @@ function MultiDragPlugin() {
 						rootEl,
 						name: 'deselect',
 						targetEl: dragEl,
-						originalEvt: evt
+						originalEvent: evt
 					});
 				}
 			}
@@ -488,7 +488,7 @@ function MultiDragPlugin() {
 					rootEl: this.sortable.el,
 					name: 'deselect',
 					targetEl: el,
-					originalEvt: evt
+					originalEvent: evt
 				});
 			}
 		},

From 3eb35640f095a716782fa5e4f476e1b3a73c3751 Mon Sep 17 00:00:00 2001
From: code4fan <jinhuatang@163.com>
Date: Mon, 23 Aug 2021 23:14:14 +0800
Subject: [PATCH 58/94] fix the drag position problem when existing non
 draggable elements at the end of the list

When dragging an element to the end of the list, and existing non draggable elements at the end of the list.  Appending it to the end of the list is not incorrect, It should be inserted before the next sibling of the last draggable element.
---
 src/Sortable.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index d66b8e7f6..431679173 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1188,7 +1188,12 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 
 				if (onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
 					capture();
-					el.appendChild(dragEl);
+					if (elLastChild && elLastChild.nextSibling) { // the last draggable element is not the last node
+						el.insertBefore(dragEl, elLastChild.nextSibling);
+					}
+					else {
+						el.appendChild(dragEl);
+					}
 					parentEl = el; // actualization
 
 					changed();

From e5d428aa8d8de821f0d8001eeade849851fb5a2d Mon Sep 17 00:00:00 2001
From: Agnaev <Black8192water@gmail.com>
Date: Mon, 27 Sep 2021 17:08:04 +0300
Subject: [PATCH 59/94] avoid implicit deselect on outside click

---
 plugins/MultiDrag/MultiDrag.js | 13 ++++++++-----
 plugins/MultiDrag/README.md    |  3 ++-
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 03f0077c5..db9b7bc09 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -35,11 +35,13 @@ function MultiDragPlugin() {
 			}
 		}
 
-		if (sortable.options.supportPointer) {
-			on(document, 'pointerup', this._deselectMultiDrag);
-		} else {
-			on(document, 'mouseup', this._deselectMultiDrag);
-			on(document, 'touchend', this._deselectMultiDrag);
+		if (!sortable.options.avoidImplicitDeselect) {
+			if (sortable.options.supportPointer) {
+				on(document, 'pointerup', this._deselectMultiDrag);
+			} else {
+				on(document, 'mouseup', this._deselectMultiDrag);
+				on(document, 'touchend', this._deselectMultiDrag);
+			}
 		}
 
 		on(document, 'keydown', this._checkKeyDown);
@@ -48,6 +50,7 @@ function MultiDragPlugin() {
 		this.defaults = {
 			selectedClass: 'sortable-selected',
 			multiDragKey: null,
+			avoidImplicitDeselect: false,
 			setData(dataTransfer, dragEl) {
 				let data = '';
 				if (multiDragElements.length && multiDragSortable === sortable) {
diff --git a/plugins/MultiDrag/README.md b/plugins/MultiDrag/README.md
index a7cb4d596..1056b8aaf 100644
--- a/plugins/MultiDrag/README.md
+++ b/plugins/MultiDrag/README.md
@@ -27,7 +27,8 @@ new Sortable(el, {
 	multiDrag: true, // Enable the plugin
 	selectedClass: "sortable-selected", // Class name for selected item
 	multiDragKey: null, // Key that must be down for items to be selected
-
+	avoidImplicitDeselect: true, // true - if you don't want to deselect items on outside click
+	
 	// Called when an item is selected
 	onSelect: function(/**Event*/evt) {
 		evt.item // The selected item

From 796bb3f7f2a59da8de2244c26ce787d3b9be7374 Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sun, 3 Oct 2021 15:29:35 -0400
Subject: [PATCH 60/94] Update README.md

---
 plugins/MultiDrag/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/MultiDrag/README.md b/plugins/MultiDrag/README.md
index 1056b8aaf..0eab03e73 100644
--- a/plugins/MultiDrag/README.md
+++ b/plugins/MultiDrag/README.md
@@ -27,7 +27,7 @@ new Sortable(el, {
 	multiDrag: true, // Enable the plugin
 	selectedClass: "sortable-selected", // Class name for selected item
 	multiDragKey: null, // Key that must be down for items to be selected
-	avoidImplicitDeselect: true, // true - if you don't want to deselect items on outside click
+	avoidImplicitDeselect: false, // true - if you don't want to deselect items on outside click
 	
 	// Called when an item is selected
 	onSelect: function(/**Event*/evt) {

From 840f9aef8452e2944e6984d49965bcc86ed96863 Mon Sep 17 00:00:00 2001
From: Don <vanboom@users.noreply.github.com>
Date: Tue, 19 Oct 2021 14:03:18 -0500
Subject: [PATCH 61/94] Issue #2093 remove ID from the cloned element prior to
 adding to the DOM.

We should not create a duplicate CSS ID.
---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 431679173..6d3d6c670 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -924,7 +924,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		pluginEvent('setupClone', this);
 		if (!Sortable.eventCanceled) {
 			cloneEl = clone(dragEl);
-
+			cloneEl.removeAttribute("id");
 			cloneEl.draggable = false;
 			cloneEl.style['will-change'] = '';
 

From cf04481aa4f18ebcabf2665625c7425068746989 Mon Sep 17 00:00:00 2001
From: itsjohncs <johnsullivan.pem@gmail.com>
Date: Tue, 19 Oct 2021 16:18:16 -0700
Subject: [PATCH 62/94] Prevent ignored touches on Android Chrome.

Android Crhome will not trigger a click event if a user drags an item,
even if the item is dropped back into its original placement. This
means that whenever the "ignore next click" handling is activated, the
user's _next_ click (unrelated to dragging) will be ignored.

This commit solves this by never activating the "ignore next click"
handling on Android Chrome.
---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 431679173..99bff13dd 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -298,7 +298,7 @@ let dragEl,
 
 
 // #1184 fix - Prevent click event on fallback if dragged but item not changed position
-if (documentExists) {
+if (documentExists && !ChromeForAndroid) {
 	document.addEventListener('click', function(evt) {
 		if (ignoreNextClick) {
 			evt.preventDefault();

From bf6690240cf86d277014d6288c02809b3bb03ef4 Mon Sep 17 00:00:00 2001
From: jombLiu <jomb.liu@gmail.com>
Date: Thu, 18 Nov 2021 19:48:54 +0800
Subject: [PATCH 63/94] Update package.json

Windows packaging cannot generate root directory sotrable.js problem fit
---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index ece28b678..d634cef3a 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
 	"main": "./Sortable.min.js",
 	"module": "modular/sortable.esm.js",
 	"scripts": {
-		"build:umd": "NODE_ENV=umd rollup -c ./scripts/umd-build.js",
+		"build:umd": "set NODE_ENV=umd&& rollup -c ./scripts/umd-build.js",
 		"build:umd:watch": "set NODE_ENV=umd&& rollup -w -c ./scripts/umd-build.js",
 		"build:es": "set NODE_ENV=es&& rollup -c ./scripts/esm-build.js",
 		"build:es:watch": "set NODE_ENV=es&& rollup -w -c ./scripts/esm-build.js",

From 632d70b8e5c5ce62be6e01fb382b1da586790d75 Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sun, 20 Mar 2022 11:55:18 -0400
Subject: [PATCH 64/94] fix vulnerabilities

---
 package-lock.json | 4375 +++++++++++----------------------------------
 1 file changed, 1031 insertions(+), 3344 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 056129801..22e188733 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1772,17 +1772,13 @@
 				"node": ">=6.9.0"
 			}
 		},
-		"node_modules/@mrmlnc/readdir-enhanced": {
-			"version": "2.2.1",
-			"resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
-			"integrity": "sha512-bPHp6Ji8b41szTOcaP63VlnbbO5Ny6dwAATtY6JTjh5N2OLrb5Qk/Th5cRkRQhkWCt+EJsYrNB0MiL+Gpn6e3g==",
+		"node_modules/@miherlosev/esm": {
+			"version": "3.2.26",
+			"resolved": "https://registry.npmjs.org/@miherlosev/esm/-/esm-3.2.26.tgz",
+			"integrity": "sha512-TaW4jTGVE1/ln2VGFChnheMh589QCAZy1MVnLvjjSzZ4pEAa4WYAWPwFkDVZbSdPQdLfZy7LuTyZjWRkhX9/Gg==",
 			"dev": true,
-			"dependencies": {
-				"call-me-maybe": "^1.0.1",
-				"glob-to-regexp": "^0.3.0"
-			},
 			"engines": {
-				"node": ">=4"
+				"node": ">=6"
 			}
 		},
 		"node_modules/@nodelib/fs.scandir": {
@@ -1798,7 +1794,7 @@
 				"node": ">= 8"
 			}
 		},
-		"node_modules/@nodelib/fs.scandir/node_modules/@nodelib/fs.stat": {
+		"node_modules/@nodelib/fs.stat": {
 			"version": "2.0.5",
 			"resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz",
 			"integrity": "sha512-RkhPPp2zrqDAQA/2jNhnztcPAlv64XdhIp7a7454A5ovI7Bukxgt7MX7udwAu3zg1DcpPU0rz3VV1SeaqvY4+A==",
@@ -1807,19 +1803,10 @@
 				"node": ">= 8"
 			}
 		},
-		"node_modules/@nodelib/fs.stat": {
-			"version": "1.1.3",
-			"resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz",
-			"integrity": "sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==",
-			"dev": true,
-			"engines": {
-				"node": ">= 6"
-			}
-		},
 		"node_modules/@nodelib/fs.walk": {
-			"version": "1.2.7",
-			"resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.7.tgz",
-			"integrity": "sha512-BTIhocbPBSrRmHxOAJFtR18oLhxTtAFDAvL8hY1S3iU8k+E60W/YFs4jrixGzQjMpF4qPXxIQHcjVD9dz1C2QA==",
+			"version": "1.2.8",
+			"resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.8.tgz",
+			"integrity": "sha512-oGB+UxlgWcgQkgwo8GcEGwemoTFt3FIO9ababBmaGwXIoBKZ+GTy0pP185beGg7Llih/NSHSV2XAs1lnznocSg==",
 			"dev": true,
 			"dependencies": {
 				"@nodelib/fs.scandir": "2.1.5",
@@ -1878,9 +1865,9 @@
 			"dev": true
 		},
 		"node_modules/@types/glob": {
-			"version": "7.1.3",
-			"resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.3.tgz",
-			"integrity": "sha512-SEYeGAIQIQX8NN6LDKprLjbrd5dARM5EXsd8GI/A5l0apYI1fGMWgPHSe4ZKL4eozlAyI+doUE9XbYS4xCkQ1w==",
+			"version": "7.2.0",
+			"resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.2.0.tgz",
+			"integrity": "sha512-ZUxbzKl0IfJILTS6t7ip5fQQM/J3TJYubDm3nMbgubNNYS62eXeUpoLUC8/7fJNiFYHTrGPQn7hspDUzIHX3UA==",
 			"dev": true,
 			"dependencies": {
 				"@types/minimatch": "*",
@@ -1909,9 +1896,9 @@
 			"dev": true
 		},
 		"node_modules/@types/minimatch": {
-			"version": "3.0.4",
-			"resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.4.tgz",
-			"integrity": "sha512-1z8k4wzFnNjVK/tlxvrWuK5WMt6mydWWP7+zvH5eFep4oj+UkrfiJTRtjCeBXNpwaA/FYqqtb4/QS4ianFpIRA==",
+			"version": "3.0.5",
+			"resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.5.tgz",
+			"integrity": "sha512-Klz949h02Gz2uZCMGwDUSDS1YBlTdDDgbWHi+81l29tQALUtvz4rAYi5uoVhE5Lagoq6DeqAUlbrHvW/mXDgdQ==",
 			"dev": true
 		},
 		"node_modules/@types/node": {
@@ -1951,9 +1938,9 @@
 			}
 		},
 		"node_modules/acorn-hammerhead": {
-			"version": "0.4.0",
-			"resolved": "https://registry.npmjs.org/acorn-hammerhead/-/acorn-hammerhead-0.4.0.tgz",
-			"integrity": "sha512-zMjPa6kNgMB0zclCZI41sPofSeeHMF9Q6e3ALRsowmmNqoiz1qiJI9oemt9GfZ5e5EmQpElvePT3AVcLU3AzHQ==",
+			"version": "0.5.0",
+			"resolved": "https://registry.npmjs.org/acorn-hammerhead/-/acorn-hammerhead-0.5.0.tgz",
+			"integrity": "sha512-TI9TFfJBfduhcM2GggayNhdYvdJ3UgS/Bu3sB7FB2AUmNCmCJ+TSOT6GXu+bodG5/xL74D5zE4XRaqyjgjsYVQ==",
 			"dev": true,
 			"dependencies": {
 				"@types/estree": "0.0.46"
@@ -2126,33 +2113,6 @@
 				"safe-buffer": "~5.1.0"
 			}
 		},
-		"node_modules/arr-diff": {
-			"version": "4.0.0",
-			"resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
-			"integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
-			"dev": true,
-			"engines": {
-				"node": ">=0.10.0"
-			}
-		},
-		"node_modules/arr-flatten": {
-			"version": "1.1.0",
-			"resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
-			"integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
-			"dev": true,
-			"engines": {
-				"node": ">=0.10.0"
-			}
-		},
-		"node_modules/arr-union": {
-			"version": "3.1.0",
-			"resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
-			"integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
-			"dev": true,
-			"engines": {
-				"node": ">=0.10.0"
-			}
-		},
 		"node_modules/array-find": {
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/array-find/-/array-find-1.0.0.tgz",
@@ -2180,15 +2140,6 @@
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+			"version": "24.5.14",
+			"resolved": "https://registry.npmjs.org/testcafe-hammerhead/-/testcafe-hammerhead-24.5.14.tgz",
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@@ -7242,30 +6010,12 @@
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-			"integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+			"version": "4.0.0",
+			"resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-4.0.0.tgz",
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+				"node": ">=6"
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+		},
+		"node_modules/testcafe-hammerhead/node_modules/universalify": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+			"integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+			"dev": true,
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 		},
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+				"semver": "^5.6.0",
+				"uuid": "3.3.3"
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+		},
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+			"version": "5.7.1",
+			"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+			"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+			"dev": true,
+			"bin": {
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+		"node_modules/testcafe-reporter-dashboard/node_modules/uuid": {
+			"version": "3.3.3",
+			"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
+			"integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ==",
+			"deprecated": "Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.",
+			"dev": true,
+			"bin": {
+				"uuid": "bin/uuid"
+			}
+		},
 		"node_modules/testcafe-reporter-json": {
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@@ -7379,9 +6177,9 @@
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-				"path-type": {
-					"version": "4.0.0",
-					"resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
-					"integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
-					"dev": true
-				},
 				"rimraf": {
 					"version": "3.0.2",
 					"resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
@@ -13473,31 +11222,16 @@
 					"requires": {
 						"glob": "^7.1.3"
 					}
-				},
-				"slash": {
-					"version": "3.0.0",
-					"resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
-					"integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
-					"dev": true
-				},
-				"to-regex-range": {
-					"version": "5.0.1",
-					"resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
-					"integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
-					"dev": true,
-					"requires": {
-						"is-number": "^7.0.0"
-					}
 				}
 			}
 		},
 		"testcafe-hammerhead": {
-			"version": "24.2.1",
-			"resolved": "https://registry.npmjs.org/testcafe-hammerhead/-/testcafe-hammerhead-24.2.1.tgz",
-			"integrity": "sha512-SyZgnOnF7ya+I9+jagWd5RMcyS9K+yzZDX8i/FkuAS6QITbEMvNxyNIS20enBAGy4FE3dlrfzo4TQfgp6Au3Bg==",
+			"version": "24.5.14",
+			"resolved": "https://registry.npmjs.org/testcafe-hammerhead/-/testcafe-hammerhead-24.5.14.tgz",
+			"integrity": "sha512-0j9HQOOj+O8OzaLUS3Jr9mDxYUu/1PQgadFPVN9ApM7PyM4Yxj5/S0t4RJAulhpK13j9H9kD08TdfGB9H8U5BQ==",
 			"dev": true,
 			"requires": {
-				"acorn-hammerhead": "0.4.0",
+				"acorn-hammerhead": "0.5.0",
 				"asar": "^2.0.1",
 				"bowser": "1.6.0",
 				"brotli": "^1.3.1",
@@ -13519,7 +11253,7 @@
 				"pinkie": "2.0.4",
 				"read-file-relative": "^1.2.0",
 				"semver": "5.5.0",
-				"tough-cookie": "2.3.3",
+				"tough-cookie": "4.0.0",
 				"tunnel-agent": "0.6.0",
 				"webauth": "^1.1.0"
 			},
@@ -13539,24 +11273,12 @@
 						"readable-stream": "^2.0.1"
 					}
 				},
-				"nanoid": {
-					"version": "3.1.23",
-					"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.23.tgz",
-					"integrity": "sha512-FiB0kzdP0FFVGDKlRLEQ1BgDzU87dy5NnzjeW9YZNt+/c3+q82EQDUwniSAUxp/F0gFNI1ZhKU1FqYsMuqZVnw==",
-					"dev": true
-				},
 				"parse5": {
 					"version": "2.2.3",
 					"resolved": "https://registry.npmjs.org/parse5/-/parse5-2.2.3.tgz",
 					"integrity": "sha1-DE/EHBAAxea5PUiwP4CDg3g06fY=",
 					"dev": true
 				},
-				"punycode": {
-					"version": "1.4.1",
-					"resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
-					"integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
-					"dev": true
-				},
 				"readable-stream": {
 					"version": "2.3.7",
 					"resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
@@ -13588,20 +11310,28 @@
 					}
 				},
 				"tough-cookie": {
-					"version": "2.3.3",
-					"resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
-					"integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+					"version": "4.0.0",
+					"resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-4.0.0.tgz",
+					"integrity": "sha512-tHdtEpQCMrc1YLrMaqXXcj6AxhYi/xgit6mZu1+EDWUn+qhUf8wMQoFIy9NXuq23zAwtcB0t/MjACGR18pcRbg==",
 					"dev": true,
 					"requires": {
-						"punycode": "^1.4.1"
+						"psl": "^1.1.33",
+						"punycode": "^2.1.1",
+						"universalify": "^0.1.2"
 					}
+				},
+				"universalify": {
+					"version": "0.1.2",
+					"resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+					"integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+					"dev": true
 				}
 			}
 		},
 		"testcafe-legacy-api": {
-			"version": "5.0.0",
-			"resolved": "https://registry.npmjs.org/testcafe-legacy-api/-/testcafe-legacy-api-5.0.0.tgz",
-			"integrity": "sha512-Peb5NJLP7g6HTihMrrGKV7YnGvD6xw4eNPA7Fx44r1GzncuVY/fV1lIL0EQyr8uz0bS5+Hgr0fHSiZ/E4hCjeQ==",
+			"version": "5.1.2",
+			"resolved": "https://registry.npmjs.org/testcafe-legacy-api/-/testcafe-legacy-api-5.1.2.tgz",
+			"integrity": "sha512-vc9A4rFUdijlBFnNOVMk0hFfxnrAmtA7FMz1P/LtvNyui5JfkLmbyIQcJbxR2rjTINp0owZ2c+xQvYms/us7Fw==",
 			"dev": true,
 			"requires": {
 				"async": "0.2.6",
@@ -13640,6 +11370,38 @@
 				}
 			}
 		},
+		"testcafe-reporter-dashboard": {
+			"version": "0.2.5",
+			"resolved": "https://registry.npmjs.org/testcafe-reporter-dashboard/-/testcafe-reporter-dashboard-0.2.5.tgz",
+			"integrity": "sha512-vbK8XrpbcFAEgnfWJOfqAnlmj/wt5pXXER/OSYI9RzSw+uwu8voLWbKcUAcnjltk0AM4c0wvI0DhjKmops2y2Q==",
+			"dev": true,
+			"requires": {
+				"es6-promise": "^4.2.8",
+				"fp-ts": "^2.9.5",
+				"io-ts": "^2.2.14",
+				"io-ts-types": "^0.5.15",
+				"isomorphic-fetch": "^3.0.0",
+				"jsonwebtoken": "^8.5.1",
+				"monocle-ts": "^2.3.5",
+				"newtype-ts": "^0.3.4",
+				"semver": "^5.6.0",
+				"uuid": "3.3.3"
+			},
+			"dependencies": {
+				"semver": {
+					"version": "5.7.1",
+					"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+					"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+					"dev": true
+				},
+				"uuid": {
+					"version": "3.3.3",
+					"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
+					"integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ==",
+					"dev": true
+				}
+			}
+		},
 		"testcafe-reporter-json": {
 			"version": "2.2.0",
 			"resolved": "https://registry.npmjs.org/testcafe-reporter-json/-/testcafe-reporter-json-2.2.0.tgz",
@@ -13665,9 +11427,9 @@
 			"dev": true
 		},
 		"testcafe-reporter-xunit": {
-			"version": "2.1.0",
-			"resolved": "https://registry.npmjs.org/testcafe-reporter-xunit/-/testcafe-reporter-xunit-2.1.0.tgz",
-			"integrity": "sha1-5tZsVyzhWvJmcGrw/WELKoQd1EM=",
+			"version": "2.2.1",
+			"resolved": "https://registry.npmjs.org/testcafe-reporter-xunit/-/testcafe-reporter-xunit-2.2.1.tgz",
+			"integrity": "sha512-ge1msi8RyNVyK0QrsmC79zedV7jHasKpBPeOUZd/ORpbYLeYDnprjIeOuIukw0knnTieeYsOK29/ZD+UI7/tdw==",
 			"dev": true
 		},
 		"time-limit-promise": {
@@ -13712,46 +11474,13 @@
 			"integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
 			"dev": true
 		},
-		"to-object-path": {
-			"version": "0.3.0",
-			"resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
-			"integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
-			"dev": true,
-			"requires": {
-				"kind-of": "^3.0.2"
-			},
-			"dependencies": {
-				"kind-of": {
-					"version": "3.2.2",
-					"resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-					"integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-					"dev": true,
-					"requires": {
-						"is-buffer": "^1.1.5"
-					}
-				}
-			}
-		},
-		"to-regex": {
-			"version": "3.0.2",
-			"resolved": "https://registry.npmjs.org/to-regex/-/to-regex-3.0.2.tgz",
-			"integrity": "sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==",
-			"dev": true,
-			"requires": {
-				"define-property": "^2.0.2",
-				"extend-shallow": "^3.0.2",
-				"regex-not": "^1.0.2",
-				"safe-regex": "^1.1.0"
-			}
-		},
 		"to-regex-range": {
-			"version": "2.1.1",
-			"resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
-			"integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
+			"version": "5.0.1",
+			"resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+			"integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
 			"dev": true,
 			"requires": {
-				"is-number": "^3.0.0",
-				"repeat-string": "^1.6.1"
+				"is-number": "^7.0.0"
 			}
 		},
 		"tough-cookie": {
@@ -13764,6 +11493,12 @@
 				"punycode": "^2.1.1"
 			}
 		},
+		"tr46": {
+			"version": "0.0.3",
+			"resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+			"integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=",
+			"dev": true
+		},
 		"tree-kill": {
 			"version": "1.2.2",
 			"resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
@@ -13812,12 +11547,6 @@
 			"integrity": "sha512-57H3ACYFXeo1IaZ1w02sfA71wI60MGco/IQFjOqK+WtKoprh7Go2/yvd2HPtoJILO2Or84ncLccI4xoHMTSbGg==",
 			"dev": true
 		},
-		"ultron": {
-			"version": "1.1.1",
-			"resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-			"integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og==",
-			"dev": true
-		},
 		"unicode-canonical-property-names-ecmascript": {
 			"version": "1.0.4",
 			"resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
@@ -13846,25 +11575,11 @@
 			"integrity": "sha512-PqSoPh/pWetQ2phoj5RLiaqIk4kCNwoV3CI+LfGmWLKI3rE3kl1h59XpX2BjgDrmbxD9ARtQobPGU1SguCYuQg==",
 			"dev": true
 		},
-		"union-value": {
-			"version": "1.0.1",
-			"resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
-			"integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
-			"dev": true,
-			"requires": {
-				"arr-union": "^3.1.0",
-				"get-value": "^2.0.6",
-				"is-extendable": "^0.1.1",
-				"set-value": "^2.0.1"
-			},
-			"dependencies": {
-				"is-extendable": {
-					"version": "0.1.1",
-					"resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
-					"integrity": "sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=",
-					"dev": true
-				}
-			}
+		"universalify": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
+			"integrity": "sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==",
+			"dev": true
 		},
 		"unquote": {
 			"version": "1.1.1",
@@ -13872,46 +11587,6 @@
 			"integrity": "sha1-j97XMk7G6IoP+LkF58CYzcCG1UQ=",
 			"dev": true
 		},
-		"unset-value": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
-			"integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
-			"dev": true,
-			"requires": {
-				"has-value": "^0.3.1",
-				"isobject": "^3.0.0"
-			},
-			"dependencies": {
-				"has-value": {
-					"version": "0.3.1",
-					"resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
-					"integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
-					"dev": true,
-					"requires": {
-						"get-value": "^2.0.3",
-						"has-values": "^0.1.4",
-						"isobject": "^2.0.0"
-					},
-					"dependencies": {
-						"isobject": {
-							"version": "2.1.0",
-							"resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
-							"integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
-							"dev": true,
-							"requires": {
-								"isarray": "1.0.0"
-							}
-						}
-					}
-				},
-				"has-values": {
-					"version": "0.1.4",
-					"resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
-					"integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
-					"dev": true
-				}
-			}
-		},
 		"uri-js": {
 			"version": "4.4.1",
 			"resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
@@ -13927,12 +11602,6 @@
 			"integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
 			"dev": true
 		},
-		"use": {
-			"version": "3.1.1",
-			"resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
-			"integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==",
-			"dev": true
-		},
 		"utf8-byte-length": {
 			"version": "1.0.4",
 			"resolved": "https://registry.npmjs.org/utf8-byte-length/-/utf8-byte-length-1.0.4.tgz",
@@ -14035,6 +11704,28 @@
 			"integrity": "sha1-ZHBPa4AmmGYFvDymKZUubib90QA=",
 			"dev": true
 		},
+		"webidl-conversions": {
+			"version": "3.0.1",
+			"resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+			"integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=",
+			"dev": true
+		},
+		"whatwg-fetch": {
+			"version": "3.6.2",
+			"resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.6.2.tgz",
+			"integrity": "sha512-bJlen0FcuU/0EMLrdbJ7zOnW6ITZLrZMIarMUVmdKtsGvZna8vxKYaexICWPfZ8qwf9fzNq+UEIZrnSaApt6RA==",
+			"dev": true
+		},
+		"whatwg-url": {
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+			"integrity": "sha1-lmRU6HZUYuN2RNNib2dCzotwll0=",
+			"dev": true,
+			"requires": {
+				"tr46": "~0.0.3",
+				"webidl-conversions": "^3.0.0"
+			}
+		},
 		"which": {
 			"version": "2.0.2",
 			"resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -14098,15 +11789,11 @@
 			"dev": true
 		},
 		"ws": {
-			"version": "3.3.3",
-			"resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-			"integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+			"version": "7.5.7",
+			"resolved": "https://registry.npmjs.org/ws/-/ws-7.5.7.tgz",
+			"integrity": "sha512-KMvVuFzpKBuiIXW3E4u3mySRO2/mCHSyZDJQM5NQ9Q9KHWHWh0NHgfbRMLLrceUK5qAL4ytALJbpRMjixFZh8A==",
 			"dev": true,
-			"requires": {
-				"async-limiter": "~1.0.0",
-				"safe-buffer": "~5.1.0",
-				"ultron": "~1.1.0"
-			}
+			"requires": {}
 		},
 		"zip-stream": {
 			"version": "2.1.3",

From babf6ab85fdfc5e13be1027827cecfbba2fb0d1e Mon Sep 17 00:00:00 2001
From: Owen Mills <owen23355@gmail.com>
Date: Sun, 20 Mar 2022 12:26:34 -0400
Subject: [PATCH 65/94] 1.15.0

---
 Sortable.js                      | 37 +++++++++++++++++++++-----------
 Sortable.min.js                  |  4 ++--
 modular/sortable.complete.esm.js | 37 +++++++++++++++++++++-----------
 modular/sortable.core.esm.js     | 37 +++++++++++++++++++++-----------
 modular/sortable.esm.js          | 37 +++++++++++++++++++++-----------
 package-lock.json                |  4 ++--
 package.json                     |  2 +-
 7 files changed, 101 insertions(+), 57 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index db509f8fc..c394160e7 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.14.0
+ * Sortable 1.15.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -166,7 +166,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.14.0";
+  var version = "1.15.0";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -1173,7 +1173,7 @@
   }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-  if (documentExists) {
+  if (documentExists && !ChromeForAndroid) {
     document.addEventListener('click', function (evt) {
       if (ignoreNextClick) {
         evt.preventDefault();
@@ -1792,6 +1792,7 @@
 
       if (!Sortable.eventCanceled) {
         cloneEl = clone(dragEl);
+        cloneEl.removeAttribute("id");
         cloneEl.draggable = false;
         cloneEl.style['will-change'] = '';
 
@@ -2033,7 +2034,14 @@
 
           if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
             capture();
-            el.appendChild(dragEl);
+
+            if (elLastChild && elLastChild.nextSibling) {
+              // the last draggable element is not the last node
+              el.insertBefore(dragEl, elLastChild.nextSibling);
+            } else {
+              el.appendChild(dragEl);
+            }
+
             parentEl = el; // actualization
 
             changed();
@@ -3178,11 +3186,13 @@
         }
       }
 
-      if (sortable.options.supportPointer) {
-        on(document, 'pointerup', this._deselectMultiDrag);
-      } else {
-        on(document, 'mouseup', this._deselectMultiDrag);
-        on(document, 'touchend', this._deselectMultiDrag);
+      if (!sortable.options.avoidImplicitDeselect) {
+        if (sortable.options.supportPointer) {
+          on(document, 'pointerup', this._deselectMultiDrag);
+        } else {
+          on(document, 'mouseup', this._deselectMultiDrag);
+          on(document, 'touchend', this._deselectMultiDrag);
+        }
       }
 
       on(document, 'keydown', this._checkKeyDown);
@@ -3190,6 +3200,7 @@
       this.defaults = {
         selectedClass: 'sortable-selected',
         multiDragKey: null,
+        avoidImplicitDeselect: false,
         setData: function setData(dataTransfer, dragEl) {
           var data = '';
 
@@ -3480,7 +3491,7 @@
               rootEl: rootEl,
               name: 'select',
               targetEl: dragEl$1,
-              originalEvt: evt
+              originalEvent: evt
             }); // Modifier activated, select from last to dragEl
 
             if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
@@ -3509,7 +3520,7 @@
                     rootEl: rootEl,
                     name: 'select',
                     targetEl: children[i],
-                    originalEvt: evt
+                    originalEvent: evt
                   });
                 }
               }
@@ -3526,7 +3537,7 @@
               rootEl: rootEl,
               name: 'deselect',
               targetEl: dragEl$1,
-              originalEvt: evt
+              originalEvent: evt
             });
           }
         } // Multi-drag drop
@@ -3637,7 +3648,7 @@
             rootEl: this.sortable.el,
             name: 'deselect',
             targetEl: el,
-            originalEvt: evt
+            originalEvent: evt
           });
         }
       },
diff --git a/Sortable.min.js b/Sortable.min.js
index 7ba6b5903..17bb16c73 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
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e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;te&&I(te,l.swapClass,!1),te&&(l.swap||i&&i.options.swap)&&r!==te&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=te,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=B(e),r=B(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){te=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:te}}})}),Bt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";ce.length&&re===o?ce.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;ae=t},delayEnded:function(){this.isMultiDrag=~ce.indexOf(ae)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<ce.length;n++)ue.push(_(ce[n])),ue[n].sortableIndex=ce[n].sortableIndex,ue[n].draggable=!1,ue[n].style["will-change"]="",I(ue[n],this.options.selectedClass,!1),ce[n]===ae&&I(ue[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||ce.length&&re===e&&(pe(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(pe(!1,n),ue.forEach(function(t){P(t,"display","")}),e(),se=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(ue.forEach(function(t){P(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),se=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&re&&re.multiDrag._deselectMultiDrag(),ce.forEach(function(t){t.sortableIndex=B(t)}),ce=ce.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),fe=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(ce.forEach(function(t){t!==ae&&P(t,"position","absolute")}),e=k(ae,!1,!0,!0),ce.forEach(function(t){t!==ae&&C(t,e)}),de=he=!0)),t.animateAll(function(){de=he=!1,n.options.animation&&ce.forEach(function(t){T(t)}),n.options.sort&&ge()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;he&&~ce.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<ce.length&&(ce.forEach(function(t){r.addAnimationState({target:t,rect:he?k(t):a}),T(t),t.fromRect=a,e.removeAnimationState(t)}),he=!1,n=!this.options.removeCloneOnHide,o=i,ce.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),de=!1,t.animation&&1<ce.length&&(he||!o&&!r.options.sort&&!l)&&(e=k(ae,!1,!0,!0),ce.forEach(function(t){t!==ae&&(C(t,e),a.appendChild(t))}),he=!0),o||(he||ge(),1<ce.length?(o=se,r._showClone(n),r.options.animation&&!se&&o&&ue.forEach(function(t){r.addAnimationState({target:t,rect:le}),t.fromRect=le,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;ce.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(le=a({},e),e=v(ae,!0),le.top-=e.f,le.left-=e.e)},dragOverAnimationComplete:function(){he&&(he=!1,ge())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,f=o.children;if(!fe)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),I(ae,h.selectedClass,!~ce.indexOf(ae)),~ce.indexOf(ae))ce.splice(ce.indexOf(ae),1),ie=null,W({sortable:i,rootEl:n,name:"deselect",targetEl:ae,originalEvent:e});else{if(ce.push(ae),W({sortable:i,rootEl:n,name:"select",targetEl:ae,originalEvent:e}),e.shiftKey&&ie&&i.el.contains(ie)){var p=B(ie),t=B(ae);if(~p&&~t&&p!==t)for(var g,m=p<t?(g=p,t):(g=t,p+1);g<m;g++)~ce.indexOf(f[g])||(I(f[g],h.selectedClass,!0),ce.push(f[g]),W({sortable:i,rootEl:n,name:"select",targetEl:f[g],originalEvent:e}))}else ie=ae;re=s}fe&&this.isMultiDrag&&(he=!1,(o[j].options.sort||o!==n)&&1<ce.length&&(c=k(ae),u=B(ae,":not(."+this.options.selectedClass+")"),!de&&h.animation&&(ae.thisAnimationDuration=null),s.captureAnimationState(),de||(h.animation&&(ae.fromRect=c,ce.forEach(function(t){var e;t.thisAnimationDuration=null,t!==ae&&(e=he?k(t):c,t.fromRect=e,s.addAnimationState({target:t,rect:e}))})),ge(),ce.forEach(function(t){f[u]?o.insertBefore(t,f[u]):o.appendChild(t),u++}),a===B(ae)&&(d=!1,ce.forEach(function(t){t.sortableIndex!==B(t)&&(d=!0)}),d&&r("update"))),ce.forEach(function(t){T(t)}),s.animateAll()),re=s),(n===o||l&&"clone"!==l.lastPutMode)&&ue.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=fe=!1,ue.length=0},destroyGlobal:function(){this._deselectMultiDrag(),f(document,"pointerup",this._deselectMultiDrag),f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==fe&&fe||re!==this.sortable||t&&N(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;ce.length;){var e=ce[0];I(e,this.options.selectedClass,!1),ce.shift(),W({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~ce.indexOf(t)&&(re&&re!==e&&(re.multiDrag._deselectMultiDrag(),re=e),I(t,e.options.selectedClass,!0),ce.push(t))},deselect:function(t){var e=t.parentNode[j],n=ce.indexOf(t);e&&e.options.multiDrag&&~n&&(I(t,e.options.selectedClass,!1),ce.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return ce.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=he&&t!==ae?-1:he?B(t,":not(."+n.options.selectedClass+")"):B(t),i.push({multiDragElement:t,index:e})}),{items:r(ce),clones:[].concat(ue),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Bt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index f3b516c4c..02e9f2d6b 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.14.0
+ * Sortable 1.15.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -160,7 +160,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.14.0";
+var version = "1.15.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1167,7 +1167,7 @@ _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
 }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-if (documentExists) {
+if (documentExists && !ChromeForAndroid) {
   document.addEventListener('click', function (evt) {
     if (ignoreNextClick) {
       evt.preventDefault();
@@ -1786,6 +1786,7 @@ Sortable.prototype =
 
     if (!Sortable.eventCanceled) {
       cloneEl = clone(dragEl);
+      cloneEl.removeAttribute("id");
       cloneEl.draggable = false;
       cloneEl.style['will-change'] = '';
 
@@ -2027,7 +2028,14 @@ Sortable.prototype =
 
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
           capture();
-          el.appendChild(dragEl);
+
+          if (elLastChild && elLastChild.nextSibling) {
+            // the last draggable element is not the last node
+            el.insertBefore(dragEl, elLastChild.nextSibling);
+          } else {
+            el.appendChild(dragEl);
+          }
+
           parentEl = el; // actualization
 
           changed();
@@ -3172,11 +3180,13 @@ function MultiDragPlugin() {
       }
     }
 
-    if (sortable.options.supportPointer) {
-      on(document, 'pointerup', this._deselectMultiDrag);
-    } else {
-      on(document, 'mouseup', this._deselectMultiDrag);
-      on(document, 'touchend', this._deselectMultiDrag);
+    if (!sortable.options.avoidImplicitDeselect) {
+      if (sortable.options.supportPointer) {
+        on(document, 'pointerup', this._deselectMultiDrag);
+      } else {
+        on(document, 'mouseup', this._deselectMultiDrag);
+        on(document, 'touchend', this._deselectMultiDrag);
+      }
     }
 
     on(document, 'keydown', this._checkKeyDown);
@@ -3184,6 +3194,7 @@ function MultiDragPlugin() {
     this.defaults = {
       selectedClass: 'sortable-selected',
       multiDragKey: null,
+      avoidImplicitDeselect: false,
       setData: function setData(dataTransfer, dragEl) {
         var data = '';
 
@@ -3474,7 +3485,7 @@ function MultiDragPlugin() {
             rootEl: rootEl,
             name: 'select',
             targetEl: dragEl$1,
-            originalEvt: evt
+            originalEvent: evt
           }); // Modifier activated, select from last to dragEl
 
           if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
@@ -3503,7 +3514,7 @@ function MultiDragPlugin() {
                   rootEl: rootEl,
                   name: 'select',
                   targetEl: children[i],
-                  originalEvt: evt
+                  originalEvent: evt
                 });
               }
             }
@@ -3520,7 +3531,7 @@ function MultiDragPlugin() {
             rootEl: rootEl,
             name: 'deselect',
             targetEl: dragEl$1,
-            originalEvt: evt
+            originalEvent: evt
           });
         }
       } // Multi-drag drop
@@ -3631,7 +3642,7 @@ function MultiDragPlugin() {
           rootEl: this.sortable.el,
           name: 'deselect',
           targetEl: el,
-          originalEvt: evt
+          originalEvent: evt
         });
       }
     },
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 05a0eee2e..b04c8b463 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.14.0
+ * Sortable 1.15.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -160,7 +160,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.14.0";
+var version = "1.15.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1167,7 +1167,7 @@ _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
 }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-if (documentExists) {
+if (documentExists && !ChromeForAndroid) {
   document.addEventListener('click', function (evt) {
     if (ignoreNextClick) {
       evt.preventDefault();
@@ -1786,6 +1786,7 @@ Sortable.prototype =
 
     if (!Sortable.eventCanceled) {
       cloneEl = clone(dragEl);
+      cloneEl.removeAttribute("id");
       cloneEl.draggable = false;
       cloneEl.style['will-change'] = '';
 
@@ -2027,7 +2028,14 @@ Sortable.prototype =
 
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
           capture();
-          el.appendChild(dragEl);
+
+          if (elLastChild && elLastChild.nextSibling) {
+            // the last draggable element is not the last node
+            el.insertBefore(dragEl, elLastChild.nextSibling);
+          } else {
+            el.appendChild(dragEl);
+          }
+
           parentEl = el; // actualization
 
           changed();
@@ -3174,11 +3182,13 @@ function MultiDragPlugin() {
       }
     }
 
-    if (sortable.options.supportPointer) {
-      on(document, 'pointerup', this._deselectMultiDrag);
-    } else {
-      on(document, 'mouseup', this._deselectMultiDrag);
-      on(document, 'touchend', this._deselectMultiDrag);
+    if (!sortable.options.avoidImplicitDeselect) {
+      if (sortable.options.supportPointer) {
+        on(document, 'pointerup', this._deselectMultiDrag);
+      } else {
+        on(document, 'mouseup', this._deselectMultiDrag);
+        on(document, 'touchend', this._deselectMultiDrag);
+      }
     }
 
     on(document, 'keydown', this._checkKeyDown);
@@ -3186,6 +3196,7 @@ function MultiDragPlugin() {
     this.defaults = {
       selectedClass: 'sortable-selected',
       multiDragKey: null,
+      avoidImplicitDeselect: false,
       setData: function setData(dataTransfer, dragEl) {
         var data = '';
 
@@ -3476,7 +3487,7 @@ function MultiDragPlugin() {
             rootEl: rootEl,
             name: 'select',
             targetEl: dragEl$1,
-            originalEvt: evt
+            originalEvent: evt
           }); // Modifier activated, select from last to dragEl
 
           if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
@@ -3505,7 +3516,7 @@ function MultiDragPlugin() {
                   rootEl: rootEl,
                   name: 'select',
                   targetEl: children[i],
-                  originalEvt: evt
+                  originalEvent: evt
                 });
               }
             }
@@ -3522,7 +3533,7 @@ function MultiDragPlugin() {
             rootEl: rootEl,
             name: 'deselect',
             targetEl: dragEl$1,
-            originalEvt: evt
+            originalEvent: evt
           });
         }
       } // Multi-drag drop
@@ -3633,7 +3644,7 @@ function MultiDragPlugin() {
           rootEl: this.sortable.el,
           name: 'deselect',
           targetEl: el,
-          originalEvt: evt
+          originalEvent: evt
         });
       }
     },
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index dfbb17f21..6ec7ed1bb 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.14.0
+ * Sortable 1.15.0
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -160,7 +160,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.14.0";
+var version = "1.15.0";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1167,7 +1167,7 @@ _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
 }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
 
 
-if (documentExists) {
+if (documentExists && !ChromeForAndroid) {
   document.addEventListener('click', function (evt) {
     if (ignoreNextClick) {
       evt.preventDefault();
@@ -1786,6 +1786,7 @@ Sortable.prototype =
 
     if (!Sortable.eventCanceled) {
       cloneEl = clone(dragEl);
+      cloneEl.removeAttribute("id");
       cloneEl.draggable = false;
       cloneEl.style['will-change'] = '';
 
@@ -2027,7 +2028,14 @@ Sortable.prototype =
 
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
           capture();
-          el.appendChild(dragEl);
+
+          if (elLastChild && elLastChild.nextSibling) {
+            // the last draggable element is not the last node
+            el.insertBefore(dragEl, elLastChild.nextSibling);
+          } else {
+            el.appendChild(dragEl);
+          }
+
           parentEl = el; // actualization
 
           changed();
@@ -3172,11 +3180,13 @@ function MultiDragPlugin() {
       }
     }
 
-    if (sortable.options.supportPointer) {
-      on(document, 'pointerup', this._deselectMultiDrag);
-    } else {
-      on(document, 'mouseup', this._deselectMultiDrag);
-      on(document, 'touchend', this._deselectMultiDrag);
+    if (!sortable.options.avoidImplicitDeselect) {
+      if (sortable.options.supportPointer) {
+        on(document, 'pointerup', this._deselectMultiDrag);
+      } else {
+        on(document, 'mouseup', this._deselectMultiDrag);
+        on(document, 'touchend', this._deselectMultiDrag);
+      }
     }
 
     on(document, 'keydown', this._checkKeyDown);
@@ -3184,6 +3194,7 @@ function MultiDragPlugin() {
     this.defaults = {
       selectedClass: 'sortable-selected',
       multiDragKey: null,
+      avoidImplicitDeselect: false,
       setData: function setData(dataTransfer, dragEl) {
         var data = '';
 
@@ -3474,7 +3485,7 @@ function MultiDragPlugin() {
             rootEl: rootEl,
             name: 'select',
             targetEl: dragEl$1,
-            originalEvt: evt
+            originalEvent: evt
           }); // Modifier activated, select from last to dragEl
 
           if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
@@ -3503,7 +3514,7 @@ function MultiDragPlugin() {
                   rootEl: rootEl,
                   name: 'select',
                   targetEl: children[i],
-                  originalEvt: evt
+                  originalEvent: evt
                 });
               }
             }
@@ -3520,7 +3531,7 @@ function MultiDragPlugin() {
             rootEl: rootEl,
             name: 'deselect',
             targetEl: dragEl$1,
-            originalEvt: evt
+            originalEvent: evt
           });
         }
       } // Multi-drag drop
@@ -3631,7 +3642,7 @@ function MultiDragPlugin() {
           rootEl: this.sortable.el,
           name: 'deselect',
           targetEl: el,
-          originalEvt: evt
+          originalEvent: evt
         });
       }
     },
diff --git a/package-lock.json b/package-lock.json
index 22e188733..afb5324d0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "sortablejs",
-	"version": "1.14.0",
+	"version": "1.15.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "sortablejs",
-			"version": "1.14.0",
+			"version": "1.15.0",
 			"license": "MIT",
 			"devDependencies": {
 				"@babel/core": "^7.4.4",
diff --git a/package.json b/package.json
index d634cef3a..99ed7b6dc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.14.0",
+	"version": "1.15.0",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 87fc7417983246aa27d6333b0fc3d60e655735b7 Mon Sep 17 00:00:00 2001
From: Luca Dalpra <luca.dalpra@wolfvision.net>
Date: Thu, 6 Apr 2023 10:28:21 +0200
Subject: [PATCH 66/94] Added conditional statement whether dragged element
 should be dropped

---
 Sortable.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Sortable.js b/Sortable.js
index c394160e7..af5b2ab10 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -2476,7 +2476,9 @@
         el.removeAttribute('draggable');
       });
 
-      this._onDrop();
+      if (el === rootEl) {
+        this._onDrop();
+      }
 
       this._disableDelayedDragEvents();
 

From d3a7f096ca77d61213d7648385f4798585edf2b5 Mon Sep 17 00:00:00 2001
From: Anton Gustafsson <ajacobsson98@gmail.com>
Date: Sat, 1 Jul 2023 22:16:17 +0200
Subject: [PATCH 67/94] docs: remove dollar sign from code blocks

For code blocks on github there is a button that lets you copy the input. Before it would include the dollar sign which would not work in the terminal

example before:
$ npm install sortablejs --save

after:
npm install sortablejs --save
---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index f56ae451c..9feb83e38 100644
--- a/README.md
+++ b/README.md
@@ -54,12 +54,12 @@ Demo: http://sortablejs.github.io/Sortable/
 
 Install with NPM:
 ```bash
-$ npm install sortablejs --save
+npm install sortablejs --save
 ```
 
 Install with Bower:
 ```bash
-$ bower install --save sortablejs
+bower install --save sortablejs
 ```
 
 Import into your project:

From c5a882267542456d75b16d000dc1b603a907613a Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Mon, 3 Jul 2023 01:05:17 +0100
Subject: [PATCH 68/94] #2203: Fix multi drag sort event not firing

---
 plugins/MultiDrag/MultiDrag.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index db9b7bc09..2845f0d00 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -431,6 +431,7 @@ function MultiDragPlugin() {
 
 							if (update) {
 								dispatchSortableEvent('update');
+								dispatchSortableEvent('sort');
 							}
 						}
 					}

From 029d0d47b257019afc4dd1bf9f540178ea7e3f21 Mon Sep 17 00:00:00 2001
From: Gudine <gudine283@gmail.com>
Date: Sat, 26 Aug 2023 13:59:15 -0300
Subject: [PATCH 69/94] docs: properly capitalize forceAutoScrollFallback
 option

---
 plugins/AutoScroll/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/AutoScroll/README.md b/plugins/AutoScroll/README.md
index dd77aede6..4514b30c9 100644
--- a/plugins/AutoScroll/README.md
+++ b/plugins/AutoScroll/README.md
@@ -26,7 +26,7 @@ Sortable.mount(new AutoScroll());
 ```js
 new Sortable(el, {
 	scroll: true, // Enable the plugin. Can be HTMLElement.
-	forceAutoscrollFallback: false, // force autoscroll plugin to enable even when native browser autoscroll is available
+	forceAutoScrollFallback: false, // force autoscroll plugin to enable even when native browser autoscroll is available
 	scrollFn: function(offsetX, offsetY, originalEvent, touchEvt, hoverTargetEl) { ... }, // if you have custom scrollbar scrollFn may be used for autoscrolling
 	scrollSensitivity: 30, // px, how near the mouse must be to an edge to start scrolling.
 	scrollSpeed: 10, // px, speed of the scrolling

From 70bf73879b335ee85dfdae81dbfa3236f61779c9 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Thu, 30 Nov 2023 21:52:55 +0000
Subject: [PATCH 70/94] #1686: Use parent rect in ghostIsLast & ghostIsFirst

---
 src/Sortable.js | 17 ++++++++++-------
 src/utils.js    | 21 +++++++++++++++++++++
 2 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 7a8c779b8..8147c97d5 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -34,7 +34,8 @@ import {
 	throttle,
 	scrollBy,
 	clone,
-	expando
+	expando,
+	getContentRect
 } from './utils.js';
 
 
@@ -1788,21 +1789,23 @@ function _unsilent() {
 }
 
 function _ghostIsFirst(evt, vertical, sortable) {
-	let rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+	let firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
+	const sortableContentRect = getContentRect(sortable.el);
 	const spacer = 10;
 
 	return vertical ?
-		((evt.clientX < rect.left - spacer) || (evt.clientY < rect.top && evt.clientX < rect.right)) :
-		((evt.clientY < rect.top - spacer) || (evt.clientY < rect.bottom && evt.clientX < rect.left))
+		(evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right) :
+		(evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left)
 }
 
 function _ghostIsLast(evt, vertical, sortable) {
-	let rect = getRect(lastChild(sortable.el, sortable.options.draggable));
+	const lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
+	const sortableContentRect = getContentRect(sortable.el);
 	const spacer = 10;
 
 	return vertical ?
-		(evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left) :
-		(evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer);
+		(evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left) :
+		(evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top);
 }
 
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
diff --git a/src/utils.js b/src/utils.js
index cdb8cc774..b7649629e 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -254,6 +254,26 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
 	};
 }
 
+/**
+ * Returns the content rect of the element (bounding rect minus border and padding)
+ * @param {HTMLElement} el 
+ */
+function getContentRect(el) {
+	let rect = getRect(el);
+	const paddingLeft = parseInt(css(el, 'padding-left')),
+		paddingTop = parseInt(css(el, 'padding-top')),
+		paddingRight = parseInt(css(el, 'padding-right')),
+		paddingBottom = parseInt(css(el, 'padding-bottom'));
+	rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
+	rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
+	// Client Width/Height includes padding only
+	rect.width = el.clientWidth - paddingLeft - paddingRight;
+	rect.height = el.clientHeight - paddingTop - paddingBottom;
+	rect.bottom = rect.top + rect.height;
+	rect.right = rect.left + rect.width;
+	return rect;
+}
+
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -552,5 +572,6 @@ export {
 	clone,
 	setRect,
 	unsetRect,
+	getContentRect,
 	expando
 };

From 5604d6e23a7ce7de9b6230b4efa6024e74afcf4a Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Thu, 30 Nov 2023 21:57:56 +0000
Subject: [PATCH 71/94] npm audit

---
 package-lock.json | 1769 ++++++++++++++++++++++++++++-----------------
 1 file changed, 1109 insertions(+), 660 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index afb5324d0..c0517d3f9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,12 +23,13 @@
 			}
 		},
 		"node_modules/@babel/code-frame": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz",
-			"integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==",
+			"version": "7.23.5",
+			"resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.23.5.tgz",
+			"integrity": "sha512-CgH3s1a96LipHCmSUmYFPwY7MNx8C3avkq7i4Wl3cfa662ldtUe4VM1TPXX70pfmrlWTb6jLqTYrZyT2ZTJBgA==",
 			"dev": true,
 			"dependencies": {
-				"@babel/highlight": "^7.14.5"
+				"@babel/highlight": "^7.23.4",
+				"chalk": "^2.4.2"
 			},
 			"engines": {
 				"node": ">=6.9.0"
@@ -74,14 +75,15 @@
 			}
 		},
 		"node_modules/@babel/generator": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.14.5.tgz",
-			"integrity": "sha512-y3rlP+/G25OIX3mYKKIOlQRcqj7YgrvHxOLbVmyLJ9bPmi5ttvUmpydVjcFjZphOktWuA7ovbx91ECloWTfjIA==",
+			"version": "7.23.5",
+			"resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.23.5.tgz",
+			"integrity": "sha512-BPssCHrBD+0YrxviOa3QzpqwhNIXKEtOa2jQrm4FlmkC2apYgRnQcmPWiGZDlGxiNtltnUFolMe8497Esry+jA==",
 			"dev": true,
 			"dependencies": {
-				"@babel/types": "^7.14.5",
-				"jsesc": "^2.5.1",
-				"source-map": "^0.5.0"
+				"@babel/types": "^7.23.5",
+				"@jridgewell/gen-mapping": "^0.3.2",
+				"@jridgewell/trace-mapping": "^0.3.17",
+				"jsesc": "^2.5.1"
 			},
 			"engines": {
 				"node": ">=6.9.0"
@@ -185,51 +187,47 @@
 				"@babel/core": "^7.4.0-0"
 			}
 		},
-		"node_modules/@babel/helper-explode-assignable-expression": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.14.5.tgz",
-			"integrity": "sha512-Htb24gnGJdIGT4vnRKMdoXiOIlqOLmdiUYpAQ0mYfgVT/GDm8GOYhgi4GL+hMKrkiPRohO4ts34ELFsGAPQLDQ==",
+		"node_modules/@babel/helper-environment-visitor": {
+			"version": "7.22.20",
+			"resolved": "https://registry.npmjs.org/@babel/helper-environment-visitor/-/helper-environment-visitor-7.22.20.tgz",
+			"integrity": "sha512-zfedSIzFhat/gFhWfHtgWvlec0nqB9YEIVrpuwjruLlXfUSnA8cJB0miHKwqDnQ7d32aKo2xt88/xZptwxbfhA==",
 			"dev": true,
-			"dependencies": {
-				"@babel/types": "^7.14.5"
-			},
 			"engines": {
 				"node": ">=6.9.0"
 			}
 		},
-		"node_modules/@babel/helper-function-name": {
+		"node_modules/@babel/helper-explode-assignable-expression": {
 			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.14.5.tgz",
-			"integrity": "sha512-Gjna0AsXWfFvrAuX+VKcN/aNNWonizBj39yGwUzVDVTlMYJMK2Wp6xdpy72mfArFq5uK+NOuexfzZlzI1z9+AQ==",
+			"resolved": "https://registry.npmjs.org/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.14.5.tgz",
+			"integrity": "sha512-Htb24gnGJdIGT4vnRKMdoXiOIlqOLmdiUYpAQ0mYfgVT/GDm8GOYhgi4GL+hMKrkiPRohO4ts34ELFsGAPQLDQ==",
 			"dev": true,
 			"dependencies": {
-				"@babel/helper-get-function-arity": "^7.14.5",
-				"@babel/template": "^7.14.5",
 				"@babel/types": "^7.14.5"
 			},
 			"engines": {
 				"node": ">=6.9.0"
 			}
 		},
-		"node_modules/@babel/helper-get-function-arity": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.14.5.tgz",
-			"integrity": "sha512-I1Db4Shst5lewOM4V+ZKJzQ0JGGaZ6VY1jYvMghRjqs6DWgxLCIyFt30GlnKkfUeFLpJt2vzbMVEXVSXlIFYUg==",
+		"node_modules/@babel/helper-function-name": {
+			"version": "7.23.0",
+			"resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.23.0.tgz",
+			"integrity": "sha512-OErEqsrxjZTJciZ4Oo+eoZqeW9UIiOcuYKRJA4ZAgV9myA+pOXhhmpfNCKjEH/auVfEYVFJ6y1Tc4r0eIApqiw==",
 			"dev": true,
 			"dependencies": {
-				"@babel/types": "^7.14.5"
+				"@babel/template": "^7.22.15",
+				"@babel/types": "^7.23.0"
 			},
 			"engines": {
 				"node": ">=6.9.0"
 			}
 		},
 		"node_modules/@babel/helper-hoist-variables": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.14.5.tgz",
-			"integrity": "sha512-R1PXiz31Uc0Vxy4OEOm07x0oSjKAdPPCh3tPivn/Eo8cvz6gveAeuyUUPB21Hoiif0uoPQSSdhIPS3352nvdyQ==",
+			"version": "7.22.5",
+			"resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.22.5.tgz",
+			"integrity": "sha512-wGjk9QZVzvknA6yKIUURb8zY3grXCcOZt+/7Wcy8O2uctxhplmUPkOdlgoNhmdVee2c92JXbf1xpMtVNbfoxRw==",
 			"dev": true,
 			"dependencies": {
-				"@babel/types": "^7.14.5"
+				"@babel/types": "^7.22.5"
 			},
 			"engines": {
 				"node": ">=6.9.0"
@@ -353,21 +351,30 @@
 			}
 		},
 		"node_modules/@babel/helper-split-export-declaration": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.14.5.tgz",
-			"integrity": "sha512-hprxVPu6e5Kdp2puZUmvOGjaLv9TCe58E/Fl6hRq4YiVQxIcNvuq6uTM2r1mT/oPskuS9CgR+I94sqAYv0NGKA==",
+			"version": "7.22.6",
+			"resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.22.6.tgz",
+			"integrity": "sha512-AsUnxuLhRYsisFiaJwvp1QF+I3KjD5FOxut14q/GzovUe6orHLesW2C7d754kRm53h5gqrz6sFl6sxc4BVtE/g==",
 			"dev": true,
 			"dependencies": {
-				"@babel/types": "^7.14.5"
+				"@babel/types": "^7.22.5"
 			},
 			"engines": {
 				"node": ">=6.9.0"
 			}
 		},
+		"node_modules/@babel/helper-string-parser": {
+			"version": "7.23.4",
+			"resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.23.4.tgz",
+			"integrity": "sha512-803gmbQdqwdf4olxrX4AJyFBV/RTr3rSmOj0rKwesmzlfhYNDEs+/iOcznzpNWlJlIlTJC2QfPFcHB6DlzdVLQ==",
+			"dev": true,
+			"engines": {
+				"node": ">=6.9.0"
+			}
+		},
 		"node_modules/@babel/helper-validator-identifier": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.5.tgz",
-			"integrity": "sha512-5lsetuxCLilmVGyiLEfoHBRX8UCFD+1m2x3Rj97WrW3V7H3u4RWRXA4evMjImCsin2J2YT0QaVDGf+z8ondbAg==",
+			"version": "7.22.20",
+			"resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.22.20.tgz",
+			"integrity": "sha512-Y4OZ+ytlatR8AI+8KZfKuL5urKp7qey08ha31L8b3BwewJAoJamTzyvxPR/5D+KkdJCGPq/+8TukHBlY10FX9A==",
 			"dev": true,
 			"engines": {
 				"node": ">=6.9.0"
@@ -412,13 +419,13 @@
 			}
 		},
 		"node_modules/@babel/highlight": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.14.5.tgz",
-			"integrity": "sha512-qf9u2WFWVV0MppaL877j2dBtQIDgmidgjGk5VIMw3OadXvYaXn66U1BFlH2t4+t3i+8PhedppRv+i40ABzd+gg==",
+			"version": "7.23.4",
+			"resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.23.4.tgz",
+			"integrity": "sha512-acGdbYSfp2WheJoJm/EBBBLh/ID8KDc64ISZ9DYtBmC8/Q204PZJLHyzeB5qMzJ5trcOkybd78M4x2KWsUq++A==",
 			"dev": true,
 			"dependencies": {
-				"@babel/helper-validator-identifier": "^7.14.5",
-				"chalk": "^2.0.0",
+				"@babel/helper-validator-identifier": "^7.22.20",
+				"chalk": "^2.4.2",
 				"js-tokens": "^4.0.0"
 			},
 			"engines": {
@@ -426,9 +433,9 @@
 			}
 		},
 		"node_modules/@babel/parser": {
-			"version": "7.14.7",
-			"resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.14.7.tgz",
-			"integrity": "sha512-X67Z5y+VBJuHB/RjwECp8kSl5uYi0BvRbNeWqkaJCVh+LiTPl19WBUfG627psSgp9rSf6ojuXghQM3ha6qHHdA==",
+			"version": "7.23.5",
+			"resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.23.5.tgz",
+			"integrity": "sha512-hOOqoiNXrmGdFbhgCzu6GiURxUgM27Xwd/aPuu8RfHEZPBzL1Z54okAHAQjXfcQNwvrlkAmAp4SlRTZ45vlthQ==",
 			"dev": true,
 			"bin": {
 				"parser": "bin/babel-parser.js"
@@ -1726,32 +1733,33 @@
 			}
 		},
 		"node_modules/@babel/template": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/template/-/template-7.14.5.tgz",
-			"integrity": "sha512-6Z3Po85sfxRGachLULUhOmvAaOo7xCvqGQtxINai2mEGPFm6pQ4z5QInFnUrRpfoSV60BnjyF5F3c+15fxFV1g==",
+			"version": "7.22.15",
+			"resolved": "https://registry.npmjs.org/@babel/template/-/template-7.22.15.tgz",
+			"integrity": "sha512-QPErUVm4uyJa60rkI73qneDacvdvzxshT3kksGqlGWYdOTIUOwJ7RDUL8sGqslY1uXWSL6xMFKEXDS3ox2uF0w==",
 			"dev": true,
 			"dependencies": {
-				"@babel/code-frame": "^7.14.5",
-				"@babel/parser": "^7.14.5",
-				"@babel/types": "^7.14.5"
+				"@babel/code-frame": "^7.22.13",
+				"@babel/parser": "^7.22.15",
+				"@babel/types": "^7.22.15"
 			},
 			"engines": {
 				"node": ">=6.9.0"
 			}
 		},
 		"node_modules/@babel/traverse": {
-			"version": "7.14.7",
-			"resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.14.7.tgz",
-			"integrity": "sha512-9vDr5NzHu27wgwejuKL7kIOm4bwEtaPQ4Z6cpCmjSuaRqpH/7xc4qcGEscwMqlkwgcXl6MvqoAjZkQ24uSdIZQ==",
-			"dev": true,
-			"dependencies": {
-				"@babel/code-frame": "^7.14.5",
-				"@babel/generator": "^7.14.5",
-				"@babel/helper-function-name": "^7.14.5",
-				"@babel/helper-hoist-variables": "^7.14.5",
-				"@babel/helper-split-export-declaration": "^7.14.5",
-				"@babel/parser": "^7.14.7",
-				"@babel/types": "^7.14.5",
+			"version": "7.23.5",
+			"resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.23.5.tgz",
+			"integrity": "sha512-czx7Xy5a6sapWWRx61m1Ke1Ra4vczu1mCTtJam5zRTBOonfdJ+S/B6HYmGYu3fJtr8GGET3si6IhgWVBhJ/m8w==",
+			"dev": true,
+			"dependencies": {
+				"@babel/code-frame": "^7.23.5",
+				"@babel/generator": "^7.23.5",
+				"@babel/helper-environment-visitor": "^7.22.20",
+				"@babel/helper-function-name": "^7.23.0",
+				"@babel/helper-hoist-variables": "^7.22.5",
+				"@babel/helper-split-export-declaration": "^7.22.6",
+				"@babel/parser": "^7.23.5",
+				"@babel/types": "^7.23.5",
 				"debug": "^4.1.0",
 				"globals": "^11.1.0"
 			},
@@ -1760,18 +1768,67 @@
 			}
 		},
 		"node_modules/@babel/types": {
-			"version": "7.14.5",
-			"resolved": "https://registry.npmjs.org/@babel/types/-/types-7.14.5.tgz",
-			"integrity": "sha512-M/NzBpEL95I5Hh4dwhin5JlE7EzO5PHMAuzjxss3tiOBD46KfQvVedN/3jEPZvdRvtsK2222XfdHogNIttFgcg==",
+			"version": "7.23.5",
+			"resolved": "https://registry.npmjs.org/@babel/types/-/types-7.23.5.tgz",
+			"integrity": "sha512-ON5kSOJwVO6xXVRTvOI0eOnWe7VdUcIpsovGo9U/Br4Ie4UVFQTboO2cYnDhAGU6Fp+UxSiT+pMft0SMHfuq6w==",
 			"dev": true,
 			"dependencies": {
-				"@babel/helper-validator-identifier": "^7.14.5",
+				"@babel/helper-string-parser": "^7.23.4",
+				"@babel/helper-validator-identifier": "^7.22.20",
 				"to-fast-properties": "^2.0.0"
 			},
 			"engines": {
 				"node": ">=6.9.0"
 			}
 		},
+		"node_modules/@jridgewell/gen-mapping": {
+			"version": "0.3.3",
+			"resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.3.tgz",
+			"integrity": "sha512-HLhSWOLRi875zjjMG/r+Nv0oCW8umGb0BgEhyX3dDX3egwZtB8PqLnjz3yedt8R5StBrzcg4aBpnh8UA9D1BoQ==",
+			"dev": true,
+			"dependencies": {
+				"@jridgewell/set-array": "^1.0.1",
+				"@jridgewell/sourcemap-codec": "^1.4.10",
+				"@jridgewell/trace-mapping": "^0.3.9"
+			},
+			"engines": {
+				"node": ">=6.0.0"
+			}
+		},
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-			"resolved": "https://registry.npmjs.org/testcafe-legacy-api/-/testcafe-legacy-api-5.1.2.tgz",
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+			"version": "5.1.4",
+			"resolved": "https://registry.npmjs.org/testcafe-legacy-api/-/testcafe-legacy-api-5.1.4.tgz",
+			"integrity": "sha512-CWjwGlRZdSuoWDIRBHKetpmDffR+/LKS6+69n8VM4mkLKgUwsP8p3MERHdx0obBn8wZ0LSyrYj8SCtv5f7oWZg==",
 			"dev": true,
 			"requires": {
-				"async": "0.2.6",
+				"async": "3.2.3",
 				"dedent": "^0.6.0",
 				"highlight-es": "^1.0.0",
 				"is-jquery-obj": "^0.1.0",
@@ -11351,33 +11711,33 @@
 			},
 			"dependencies": {
 				"async": {
-					"version": "0.2.6",
-					"resolved": "https://registry.npmjs.org/async/-/async-0.2.6.tgz",
-					"integrity": "sha1-rT83PZJJrjJIgVZVgryQ4VKrvWg=",
+					"version": "3.2.3",
+					"resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
+					"integrity": "sha512-spZRyzKL5l5BZQrr/6m/SqFdBN0q3OCI0f9rjfBzCMBIP4p75P620rR3gTmaksNOhmzgdxcaxdNfMy6anrbM0g==",
 					"dev": true
 				},
 				"dedent": {
 					"version": "0.6.0",
 					"resolved": "https://registry.npmjs.org/dedent/-/dedent-0.6.0.tgz",
-					"integrity": "sha1-Dm2o8M5Sg471zsXI+TlrDBtko8s=",
+					"integrity": "sha512-cSfRWjXJtZQeRuZGVvDrJroCR5V2UvBNUMHsPCdNYzuAG8b9V8aAy3KUcdQrGQPXs17Y+ojbPh1aOCplg9YR9g==",
 					"dev": true
 				},
 				"parse5": {
 					"version": "2.2.3",
 					"resolved": "https://registry.npmjs.org/parse5/-/parse5-2.2.3.tgz",
-					"integrity": "sha1-DE/EHBAAxea5PUiwP4CDg3g06fY=",
+					"integrity": "sha512-yJQdbcT+hCt6HD+BuuUvjHUdNwerQIKSJSm7tXjtp6oIH5Mxbzlt/VIIeWxblsgcDt1+E7kxPeilD5McWswStA==",
 					"dev": true
 				}
 			}
 		},
 		"testcafe-reporter-dashboard": {
-			"version": "0.2.5",
-			"resolved": "https://registry.npmjs.org/testcafe-reporter-dashboard/-/testcafe-reporter-dashboard-0.2.5.tgz",
-			"integrity": "sha512-vbK8XrpbcFAEgnfWJOfqAnlmj/wt5pXXER/OSYI9RzSw+uwu8voLWbKcUAcnjltk0AM4c0wvI0DhjKmops2y2Q==",
+			"version": "1.0.0-rc.3",
+			"resolved": "https://registry.npmjs.org/testcafe-reporter-dashboard/-/testcafe-reporter-dashboard-1.0.0-rc.3.tgz",
+			"integrity": "sha512-F4gphX9/KlZzEz26I9LwUw7DKdKFQEpsU4Pr04ssBOJCyZh4ST7kuOyB+JMqr4iJfE9zu6+g6aaXumM+ad61JA==",
 			"dev": true,
 			"requires": {
 				"es6-promise": "^4.2.8",
-				"fp-ts": "^2.9.5",
+				"fp-ts": "^2.12.1",
 				"io-ts": "^2.2.14",
 				"io-ts-types": "^0.5.15",
 				"isomorphic-fetch": "^3.0.0",
@@ -11389,9 +11749,9 @@
 			},
 			"dependencies": {
 				"semver": {
-					"version": "5.7.1",
-					"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-					"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+					"version": "5.7.2",
+					"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
+					"integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==",
 					"dev": true
 				},
 				"uuid": {
@@ -11432,6 +11792,12 @@
 			"integrity": "sha512-ge1msi8RyNVyK0QrsmC79zedV7jHasKpBPeOUZd/ORpbYLeYDnprjIeOuIukw0knnTieeYsOK29/ZD+UI7/tdw==",
 			"dev": true
 		},
+		"testcafe-safe-storage": {
+			"version": "1.1.6",
+			"resolved": "https://registry.npmjs.org/testcafe-safe-storage/-/testcafe-safe-storage-1.1.6.tgz",
+			"integrity": "sha512-WFm1UcmO3uZs+uW8lYtBBJpnrvgTKkMQMKG9BvTEKbjeqhonEXVTxOkGEs3DM1ZB/ylPuwh7Jux7qUtjcM/D2Q==",
+			"dev": true
+		},
 		"time-limit-promise": {
 			"version": "1.0.4",
 			"resolved": "https://registry.npmjs.org/time-limit-promise/-/time-limit-promise-1.0.4.tgz",
@@ -11496,7 +11862,7 @@
 		"tr46": {
 			"version": "0.0.3",
 			"resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
-			"integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=",
+			"integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
 			"dev": true
 		},
 		"tree-kill": {
@@ -11535,6 +11901,12 @@
 			"integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
 			"dev": true
 		},
+		"type-fest": {
+			"version": "0.21.3",
+			"resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.21.3.tgz",
+			"integrity": "sha512-t0rzBq87m3fVcduHDUFhKmyyX+9eo6WQjZvf51Ea/M0Q7+T374Jp1aUiyUl0GKxp8M/OETVHSDvmkyPgvX+X2w==",
+			"dev": true
+		},
 		"typescript": {
 			"version": "3.9.10",
 			"resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
@@ -11576,9 +11948,9 @@
 			"dev": true
 		},
 		"universalify": {
-			"version": "2.0.0",
-			"resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
-			"integrity": "sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==",
+			"version": "2.0.1",
+			"resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
+			"integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
 			"dev": true
 		},
 		"unquote": {
@@ -11587,6 +11959,16 @@
 			"integrity": "sha1-j97XMk7G6IoP+LkF58CYzcCG1UQ=",
 			"dev": true
 		},
+		"update-browserslist-db": {
+			"version": "1.0.13",
+			"resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.13.tgz",
+			"integrity": "sha512-xebP81SNcPuNpPP3uzeW1NYXxI3rxyJzF3pD6sH4jE7o/IX+WtSpwnVU+qIsDPyk0d3hmFQ7mjqc6AtV604hbg==",
+			"dev": true,
+			"requires": {
+				"escalade": "^3.1.1",
+				"picocolors": "^1.0.0"
+			}
+		},
 		"uri-js": {
 			"version": "4.4.1",
 			"resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
@@ -11599,7 +11981,7 @@
 		"urix": {
 			"version": "0.1.0",
 			"resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
-			"integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
+			"integrity": "sha512-Am1ousAhSLBeB9cG/7k7r2R0zj50uDRlZHPGbazid5s9rlF1F/QKYObEKSIunSjIOkJZqwRRLpvewjEkM7pSqg==",
 			"dev": true
 		},
 		"utf8-byte-length": {
@@ -11701,25 +12083,25 @@
 		"webauth": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/webauth/-/webauth-1.1.0.tgz",
-			"integrity": "sha1-ZHBPa4AmmGYFvDymKZUubib90QA=",
+			"integrity": "sha512-BwbI3vESF7eVleIU6zYPnFuzT89IRswYoJ0C6xYLDpNSUpiw7pdX0HjebyYkFYt1IuYnQvx2Y1Lx+bGKz4Zi6w==",
 			"dev": true
 		},
 		"webidl-conversions": {
 			"version": "3.0.1",
 			"resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-			"integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=",
+			"integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
 			"dev": true
 		},
 		"whatwg-fetch": {
-			"version": "3.6.2",
-			"resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.6.2.tgz",
-			"integrity": "sha512-bJlen0FcuU/0EMLrdbJ7zOnW6ITZLrZMIarMUVmdKtsGvZna8vxKYaexICWPfZ8qwf9fzNq+UEIZrnSaApt6RA==",
+			"version": "3.6.19",
+			"resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.6.19.tgz",
+			"integrity": "sha512-d67JP4dHSbm2TrpFj8AbO8DnL1JXL5J9u0Kq2xW6d0TFDbCA3Muhdt8orXC22utleTVj7Prqt82baN6RBvnEgw==",
 			"dev": true
 		},
 		"whatwg-url": {
 			"version": "5.0.0",
 			"resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
-			"integrity": "sha1-lmRU6HZUYuN2RNNib2dCzotwll0=",
+			"integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
 			"dev": true,
 			"requires": {
 				"tr46": "~0.0.3",
@@ -11738,7 +12120,7 @@
 		"which-promise": {
 			"version": "1.0.0",
 			"resolved": "https://registry.npmjs.org/which-promise/-/which-promise-1.0.0.tgz",
-			"integrity": "sha1-ILch3wWzW3Bhdv+hCwkJq6RgMDU=",
+			"integrity": "sha512-15ahjtDr3H+RBtTrvBcKhOFhIEiN3RZSCevDPWtBys+QUivZX9cYyNJcyWNIrUMVsgGrEuIThif9jxeEAQFauw==",
 			"dev": true,
 			"requires": {
 				"pify": "^2.2.0",
@@ -11749,13 +12131,13 @@
 				"pinkie": {
 					"version": "1.0.0",
 					"resolved": "https://registry.npmjs.org/pinkie/-/pinkie-1.0.0.tgz",
-					"integrity": "sha1-Wkfyi6EBXQIBvae/DzWOR77Ix+Q=",
+					"integrity": "sha512-VFVaU1ysKakao68ktZm76PIdOhvEfoNNRaGkyLln9Os7r0/MCxqHjHyBM7dT3pgTiBybqiPtpqKfpENwdBp50Q==",
 					"dev": true
 				},
 				"pinkie-promise": {
 					"version": "1.0.0",
 					"resolved": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-1.0.0.tgz",
-					"integrity": "sha1-0dpn9UglY7t89X8oauKCLs+/NnA=",
+					"integrity": "sha512-5mvtVNse2Ml9zpFKkWBpGsTPwm3DKhs+c95prO/F6E7d6DN0FPqxs6LONpLNpyD7Iheb7QN4BbUoKJgo+DnkQA==",
 					"dev": true,
 					"requires": {
 						"pinkie": "^1.0.0"
@@ -11772,14 +12154,81 @@
 				}
 			}
 		},
+		"windows-release": {
+			"version": "5.1.1",
+			"resolved": "https://registry.npmjs.org/windows-release/-/windows-release-5.1.1.tgz",
+			"integrity": "sha512-NMD00arvqcq2nwqc5Q6KtrSRHK+fVD31erE5FEMahAw5PmVCgD7MUXodq3pdZSUkqA9Cda2iWx6s1XYwiJWRmw==",
+			"dev": true,
+			"requires": {
+				"execa": "^5.1.1"
+			},
+			"dependencies": {
+				"execa": {
+					"version": "5.1.1",
+					"resolved": "https://registry.npmjs.org/execa/-/execa-5.1.1.tgz",
+					"integrity": "sha512-8uSpZZocAZRBAPIEINJj3Lo9HyGitllczc27Eh5YYojjMFMn8yHMDMaUHE2Jqfq05D/wucwI4JGURyXt1vchyg==",
+					"dev": true,
+					"requires": {
+						"cross-spawn": "^7.0.3",
+						"get-stream": "^6.0.0",
+						"human-signals": "^2.1.0",
+						"is-stream": "^2.0.0",
+						"merge-stream": "^2.0.0",
+						"npm-run-path": "^4.0.1",
+						"onetime": "^5.1.2",
+						"signal-exit": "^3.0.3",
+						"strip-final-newline": "^2.0.0"
+					}
+				},
+				"get-stream": {
+					"version": "6.0.1",
+					"resolved": "https://registry.npmjs.org/get-stream/-/get-stream-6.0.1.tgz",
+					"integrity": "sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg==",
+					"dev": true
+				},
+				"human-signals": {
+					"version": "2.1.0",
+					"resolved": "https://registry.npmjs.org/human-signals/-/human-signals-2.1.0.tgz",
+					"integrity": "sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw==",
+					"dev": true
+				}
+			}
+		},
 		"wrap-ansi": {
-			"version": "2.1.0",
-			"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-			"integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+			"version": "7.0.0",
+			"resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+			"integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
 			"dev": true,
 			"requires": {
-				"string-width": "^1.0.1",
-				"strip-ansi": "^3.0.1"
+				"ansi-styles": "^4.0.0",
+				"string-width": "^4.1.0",
+				"strip-ansi": "^6.0.0"
+			},
+			"dependencies": {
+				"ansi-styles": {
+					"version": "4.3.0",
+					"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+					"integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+					"dev": true,
+					"requires": {
+						"color-convert": "^2.0.1"
+					}
+				},
+				"color-convert": {
+					"version": "2.0.1",
+					"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+					"integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+					"dev": true,
+					"requires": {
+						"color-name": "~1.1.4"
+					}
+				},
+				"color-name": {
+					"version": "1.1.4",
+					"resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+					"integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+					"dev": true
+				}
 			}
 		},
 		"wrappy": {

From 1b7575f6f9d3f0a9e857786be5fdfe1e6ab73037 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Thu, 30 Nov 2023 22:03:15 +0000
Subject: [PATCH 72/94] 1.15.1

---
 Sortable.js                      | 1549 +++++++++++-------------------
 Sortable.min.js                  |    4 +-
 modular/sortable.complete.esm.js | 1545 +++++++++++------------------
 modular/sortable.core.esm.js     | 1546 +++++++++++------------------
 modular/sortable.esm.js          | 1545 +++++++++++------------------
 package-lock.json                |    4 +-
 package.json                     |    2 +-
 7 files changed, 2238 insertions(+), 3957 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index af5b2ab10..41c2d1640 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.0
+ * Sortable 1.15.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -12,26 +12,20 @@
 
   function ownKeys(object, enumerableOnly) {
     var keys = Object.keys(object);
-
     if (Object.getOwnPropertySymbols) {
       var symbols = Object.getOwnPropertySymbols(object);
-
       if (enumerableOnly) {
         symbols = symbols.filter(function (sym) {
           return Object.getOwnPropertyDescriptor(object, sym).enumerable;
         });
       }
-
       keys.push.apply(keys, symbols);
     }
-
     return keys;
   }
-
   function _objectSpread2(target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i] != null ? arguments[i] : {};
-
       if (i % 2) {
         ownKeys(Object(source), true).forEach(function (key) {
           _defineProperty(target, key, source[key]);
@@ -44,10 +38,8 @@
         });
       }
     }
-
     return target;
   }
-
   function _typeof(obj) {
     "@babel/helpers - typeof";
 
@@ -60,10 +52,8 @@
         return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
       };
     }
-
     return _typeof(obj);
   }
-
   function _defineProperty(obj, key, value) {
     if (key in obj) {
       Object.defineProperty(obj, key, {
@@ -75,53 +65,40 @@
     } else {
       obj[key] = value;
     }
-
     return obj;
   }
-
   function _extends() {
     _extends = Object.assign || function (target) {
       for (var i = 1; i < arguments.length; i++) {
         var source = arguments[i];
-
         for (var key in source) {
           if (Object.prototype.hasOwnProperty.call(source, key)) {
             target[key] = source[key];
           }
         }
       }
-
       return target;
     };
-
     return _extends.apply(this, arguments);
   }
-
   function _objectWithoutPropertiesLoose(source, excluded) {
     if (source == null) return {};
     var target = {};
     var sourceKeys = Object.keys(source);
     var key, i;
-
     for (i = 0; i < sourceKeys.length; i++) {
       key = sourceKeys[i];
       if (excluded.indexOf(key) >= 0) continue;
       target[key] = source[key];
     }
-
     return target;
   }
-
   function _objectWithoutProperties(source, excluded) {
     if (source == null) return {};
-
     var target = _objectWithoutPropertiesLoose(source, excluded);
-
     var key, i;
-
     if (Object.getOwnPropertySymbols) {
       var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-
       for (i = 0; i < sourceSymbolKeys.length; i++) {
         key = sourceSymbolKeys[i];
         if (excluded.indexOf(key) >= 0) continue;
@@ -129,22 +106,17 @@
         target[key] = source[key];
       }
     }
-
     return target;
   }
-
   function _toConsumableArray(arr) {
     return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
   }
-
   function _arrayWithoutHoles(arr) {
     if (Array.isArray(arr)) return _arrayLikeToArray(arr);
   }
-
   function _iterableToArray(iter) {
     if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
   }
-
   function _unsupportedIterableToArray(o, minLen) {
     if (!o) return;
     if (typeof o === "string") return _arrayLikeToArray(o, minLen);
@@ -153,27 +125,22 @@
     if (n === "Map" || n === "Set") return Array.from(o);
     if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
   }
-
   function _arrayLikeToArray(arr, len) {
     if (len == null || len > arr.length) len = arr.length;
-
     for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-
     return arr2;
   }
-
   function _nonIterableSpread() {
     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.15.0";
+  var version = "1.15.1";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
       return !! /*@__PURE__*/navigator.userAgent.match(pattern);
     }
   }
-
   var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
   var Edge = userAgent(/Edge/i);
   var FireFox = userAgent(/firefox/i);
@@ -185,23 +152,15 @@
     capture: false,
     passive: false
   };
-
   function on(el, event, fn) {
     el.addEventListener(event, fn, !IE11OrLess && captureMode);
   }
-
   function off(el, event, fn) {
     el.removeEventListener(event, fn, !IE11OrLess && captureMode);
   }
-
-  function matches(
-  /**HTMLElement*/
-  el,
-  /**String*/
-  selector) {
+  function matches( /**HTMLElement*/el, /**String*/selector) {
     if (!selector) return;
     selector[0] === '>' && (selector = selector.substring(1));
-
     if (el) {
       try {
         if (el.matches) {
@@ -215,39 +174,25 @@
         return false;
       }
     }
-
     return false;
   }
-
   function getParentOrHost(el) {
     return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
   }
-
-  function closest(
-  /**HTMLElement*/
-  el,
-  /**String*/
-  selector,
-  /**HTMLElement*/
-  ctx, includeCTX) {
+  function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
     if (el) {
       ctx = ctx || document;
-
       do {
         if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
           return el;
         }
-
         if (el === ctx) break;
         /* jshint boss:true */
       } while (el = getParentOrHost(el));
     }
-
     return null;
   }
-
   var R_SPACE = /\s+/g;
-
   function toggleClass(el, name, state) {
     if (el && name) {
       if (el.classList) {
@@ -258,10 +203,8 @@
       }
     }
   }
-
   function css(el, prop, val) {
     var style = el && el.style;
-
     if (style) {
       if (val === void 0) {
         if (document.defaultView && document.defaultView.getComputedStyle) {
@@ -269,68 +212,55 @@
         } else if (el.currentStyle) {
           val = el.currentStyle;
         }
-
         return prop === void 0 ? val : val[prop];
       } else {
         if (!(prop in style) && prop.indexOf('webkit') === -1) {
           prop = '-webkit-' + prop;
         }
-
         style[prop] = val + (typeof val === 'string' ? '' : 'px');
       }
     }
   }
-
   function matrix(el, selfOnly) {
     var appliedTransforms = '';
-
     if (typeof el === 'string') {
       appliedTransforms = el;
     } else {
       do {
         var transform = css(el, 'transform');
-
         if (transform && transform !== 'none') {
           appliedTransforms = transform + ' ' + appliedTransforms;
         }
         /* jshint boss:true */
-
       } while (!selfOnly && (el = el.parentNode));
     }
-
     var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
     /*jshint -W056 */
-
     return matrixFn && new matrixFn(appliedTransforms);
   }
-
   function find(ctx, tagName, iterator) {
     if (ctx) {
       var list = ctx.getElementsByTagName(tagName),
-          i = 0,
-          n = list.length;
-
+        i = 0,
+        n = list.length;
       if (iterator) {
         for (; i < n; i++) {
           iterator(list[i], i);
         }
       }
-
       return list;
     }
-
     return [];
   }
-
   function getWindowScrollingElement() {
     var scrollingElement = document.scrollingElement;
-
     if (scrollingElement) {
       return scrollingElement;
     } else {
       return document.documentElement;
     }
   }
+
   /**
    * Returns the "bounding client rect" of given element
    * @param  {HTMLElement} el                       The element whose boundingClientRect is wanted
@@ -340,12 +270,9 @@
    * @param  {[HTMLElement]} container              The parent the element will be placed in
    * @return {Object}                               The boundingClientRect of el, with specified adjustments
    */
-
-
   function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
     if (!el.getBoundingClientRect && el !== window) return;
     var elRect, top, left, bottom, right, height, width;
-
     if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
       elRect = el.getBoundingClientRect();
       top = elRect.top;
@@ -362,17 +289,18 @@
       height = window.innerHeight;
       width = window.innerWidth;
     }
-
     if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
       // Adjust for translate()
-      container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
-      // Not needed on <= IE11
+      container = container || el.parentNode;
 
+      // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
+      // Not needed on <= IE11
       if (!IE11OrLess) {
         do {
           if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
-            var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container
+            var containerRect = container.getBoundingClientRect();
 
+            // Set relative to edges of padding box of container
             top -= containerRect.top + parseInt(css(container, 'border-top-width'));
             left -= containerRect.left + parseInt(css(container, 'border-left-width'));
             bottom = top + elRect.height;
@@ -380,17 +308,14 @@
             break;
           }
           /* jshint boss:true */
-
         } while (container = container.parentNode);
       }
     }
-
     if (undoScale && el !== window) {
       // Adjust for scale()
       var elMatrix = matrix(container || el),
-          scaleX = elMatrix && elMatrix.a,
-          scaleY = elMatrix && elMatrix.d;
-
+        scaleX = elMatrix && elMatrix.a,
+        scaleY = elMatrix && elMatrix.d;
       if (elMatrix) {
         top /= scaleY;
         left /= scaleX;
@@ -400,7 +325,6 @@
         right = left + width;
       }
     }
-
     return {
       top: top,
       left: left,
@@ -410,6 +334,27 @@
       height: height
     };
   }
+
+  /**
+   * Returns the content rect of the element (bounding rect minus border and padding)
+   * @param {HTMLElement} el 
+   */
+  function getContentRect(el) {
+    var rect = getRect(el);
+    var paddingLeft = parseInt(css(el, 'padding-left')),
+      paddingTop = parseInt(css(el, 'padding-top')),
+      paddingRight = parseInt(css(el, 'padding-right')),
+      paddingBottom = parseInt(css(el, 'padding-bottom'));
+    rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
+    rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
+    // Client Width/Height includes padding only
+    rect.width = el.clientWidth - paddingLeft - paddingRight;
+    rect.height = el.clientHeight - paddingTop - paddingBottom;
+    rect.bottom = rect.top + rect.height;
+    rect.right = rect.left + rect.width;
+    return rect;
+  }
+
   /**
    * Checks if a side of an element is scrolled past a side of its parents
    * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -417,30 +362,26 @@
    * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
    * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
    */
-
-
   function isScrolledPast(el, elSide, parentSide) {
     var parent = getParentAutoScrollElement(el, true),
-        elSideVal = getRect(el)[elSide];
-    /* jshint boss:true */
+      elSideVal = getRect(el)[elSide];
 
+    /* jshint boss:true */
     while (parent) {
       var parentSideVal = getRect(parent)[parentSide],
-          visible = void 0;
-
+        visible = void 0;
       if (parentSide === 'top' || parentSide === 'left') {
         visible = elSideVal >= parentSideVal;
       } else {
         visible = elSideVal <= parentSideVal;
       }
-
       if (!visible) return parent;
       if (parent === getWindowScrollingElement()) break;
       parent = getParentAutoScrollElement(parent, false);
     }
-
     return false;
   }
+
   /**
    * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
    * and non-draggable elements
@@ -449,44 +390,36 @@
    * @param  {Object} options       Parent Sortable's options
    * @return {HTMLElement}          The child at index childNum, or null if not found
    */
-
-
   function getChild(el, childNum, options, includeDragEl) {
     var currentChild = 0,
-        i = 0,
-        children = el.children;
-
+      i = 0,
+      children = el.children;
     while (i < children.length) {
       if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
         if (currentChild === childNum) {
           return children[i];
         }
-
         currentChild++;
       }
-
       i++;
     }
-
     return null;
   }
+
   /**
    * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
    * @param  {HTMLElement} el       Parent element
    * @param  {selector} selector    Any other elements that should be ignored
    * @return {HTMLElement}          The last child, ignoring ghostEl
    */
-
-
   function lastChild(el, selector) {
     var last = el.lastElementChild;
-
     while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
       last = last.previousElementSibling;
     }
-
     return last || null;
   }
+
   /**
    * Returns the index of an element within its parent for a selected set of
    * elements
@@ -494,81 +427,67 @@
    * @param  {selector} selector
    * @return {number}
    */
-
-
   function index(el, selector) {
     var index = 0;
-
     if (!el || !el.parentNode) {
       return -1;
     }
-    /* jshint boss:true */
-
 
+    /* jshint boss:true */
     while (el = el.previousElementSibling) {
       if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
         index++;
       }
     }
-
     return index;
   }
+
   /**
    * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
    * The value is returned in real pixels.
    * @param  {HTMLElement} el
    * @return {Array}             Offsets in the format of [left, top]
    */
-
-
   function getRelativeScrollOffset(el) {
     var offsetLeft = 0,
-        offsetTop = 0,
-        winScroller = getWindowScrollingElement();
-
+      offsetTop = 0,
+      winScroller = getWindowScrollingElement();
     if (el) {
       do {
         var elMatrix = matrix(el),
-            scaleX = elMatrix.a,
-            scaleY = elMatrix.d;
+          scaleX = elMatrix.a,
+          scaleY = elMatrix.d;
         offsetLeft += el.scrollLeft * scaleX;
         offsetTop += el.scrollTop * scaleY;
       } while (el !== winScroller && (el = el.parentNode));
     }
-
     return [offsetLeft, offsetTop];
   }
+
   /**
    * Returns the index of the object within the given array
    * @param  {Array} arr   Array that may or may not hold the object
    * @param  {Object} obj  An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
    * @return {Number}      The index of the object in the array, or -1
    */
-
-
   function indexOfObject(arr, obj) {
     for (var i in arr) {
       if (!arr.hasOwnProperty(i)) continue;
-
       for (var key in obj) {
         if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
       }
     }
-
     return -1;
   }
-
   function getParentAutoScrollElement(el, includeSelf) {
     // skip to window
     if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
     var elem = el;
     var gotSelf = false;
-
     do {
       // we don't need to get elem css if it isn't even overflowing in the first place (performance)
       if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
         var elemCSS = css(elem);
-
         if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
           if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
           if (gotSelf || includeSelf) return elem;
@@ -576,12 +495,9 @@
         }
       }
       /* jshint boss:true */
-
     } while (elem = elem.parentNode);
-
     return getWindowScrollingElement();
   }
-
   function extend(dst, src) {
     if (dst && src) {
       for (var key in src) {
@@ -590,49 +506,39 @@
         }
       }
     }
-
     return dst;
   }
-
   function isRectEqual(rect1, rect2) {
     return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
   }
-
   var _throttleTimeout;
-
   function throttle(callback, ms) {
     return function () {
       if (!_throttleTimeout) {
         var args = arguments,
-            _this = this;
-
+          _this = this;
         if (args.length === 1) {
           callback.call(_this, args[0]);
         } else {
           callback.apply(_this, args);
         }
-
         _throttleTimeout = setTimeout(function () {
           _throttleTimeout = void 0;
         }, ms);
       }
     };
   }
-
   function cancelThrottle() {
     clearTimeout(_throttleTimeout);
     _throttleTimeout = void 0;
   }
-
   function scrollBy(el, x, y) {
     el.scrollLeft += x;
     el.scrollTop += y;
   }
-
   function clone(el) {
     var Polymer = window.Polymer;
     var $ = window.jQuery || window.Zepto;
-
     if (Polymer && Polymer.dom) {
       return Polymer.dom(el).cloneNode(true);
     } else if ($) {
@@ -641,7 +547,6 @@
       return el.cloneNode(true);
     }
   }
-
   function setRect(el, rect) {
     css(el, 'position', 'absolute');
     css(el, 'top', rect.top);
@@ -649,7 +554,6 @@
     css(el, 'width', rect.width);
     css(el, 'height', rect.height);
   }
-
   function unsetRect(el) {
     css(el, 'position', '');
     css(el, 'top', '');
@@ -657,12 +561,11 @@
     css(el, 'width', '');
     css(el, 'height', '');
   }
-
   var expando = 'Sortable' + new Date().getTime();
 
   function AnimationStateManager() {
     var animationStates = [],
-        animationCallbackId;
+      animationCallbackId;
     return {
       captureAnimationState: function captureAnimationState() {
         animationStates = [];
@@ -674,19 +577,16 @@
             target: child,
             rect: getRect(child)
           });
+          var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect);
 
-          var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
-
-
+          // If animating: compensate for current animation
           if (child.thisAnimationDuration) {
             var childMatrix = matrix(child, true);
-
             if (childMatrix) {
               fromRect.top -= childMatrix.f;
               fromRect.left -= childMatrix.e;
             }
           }
-
           child.fromRect = fromRect;
         });
       },
@@ -700,54 +600,47 @@
       },
       animateAll: function animateAll(callback) {
         var _this = this;
-
         if (!this.options.animation) {
           clearTimeout(animationCallbackId);
           if (typeof callback === 'function') callback();
           return;
         }
-
         var animating = false,
-            animationTime = 0;
+          animationTime = 0;
         animationStates.forEach(function (state) {
           var time = 0,
-              target = state.target,
-              fromRect = target.fromRect,
-              toRect = getRect(target),
-              prevFromRect = target.prevFromRect,
-              prevToRect = target.prevToRect,
-              animatingRect = state.rect,
-              targetMatrix = matrix(target, true);
-
+            target = state.target,
+            fromRect = target.fromRect,
+            toRect = getRect(target),
+            prevFromRect = target.prevFromRect,
+            prevToRect = target.prevToRect,
+            animatingRect = state.rect,
+            targetMatrix = matrix(target, true);
           if (targetMatrix) {
             // Compensate for current animation
             toRect.top -= targetMatrix.f;
             toRect.left -= targetMatrix.e;
           }
-
           target.toRect = toRect;
-
           if (target.thisAnimationDuration) {
             // Could also check if animatingRect is between fromRect and toRect
-            if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
+            if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) &&
+            // Make sure animatingRect is on line between toRect & fromRect
             (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
               // If returning to same place as started from animation and on same axis
               time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
             }
-          } // if fromRect != toRect: animate
-
+          }
 
+          // if fromRect != toRect: animate
           if (!isRectEqual(toRect, fromRect)) {
             target.prevFromRect = fromRect;
             target.prevToRect = toRect;
-
             if (!time) {
               time = _this.options.animation;
             }
-
             _this.animate(target, animatingRect, toRect, time);
           }
-
           if (time) {
             animating = true;
             animationTime = Math.max(animationTime, time);
@@ -763,7 +656,6 @@
           }
         });
         clearTimeout(animationCallbackId);
-
         if (!animating) {
           if (typeof callback === 'function') callback();
         } else {
@@ -771,7 +663,6 @@
             if (typeof callback === 'function') callback();
           }, animationTime);
         }
-
         animationStates = [];
       },
       animate: function animate(target, currentRect, toRect, duration) {
@@ -779,10 +670,10 @@
           css(target, 'transition', '');
           css(target, 'transform', '');
           var elMatrix = matrix(this.el),
-              scaleX = elMatrix && elMatrix.a,
-              scaleY = elMatrix && elMatrix.d,
-              translateX = (currentRect.left - toRect.left) / (scaleX || 1),
-              translateY = (currentRect.top - toRect.top) / (scaleY || 1);
+            scaleX = elMatrix && elMatrix.a,
+            scaleY = elMatrix && elMatrix.d,
+            translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+            translateY = (currentRect.top - toRect.top) / (scaleY || 1);
           target.animatingX = !!translateX;
           target.animatingY = !!translateY;
           css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -802,11 +693,9 @@
       }
     };
   }
-
   function repaint(target) {
     return target.offsetWidth;
   }
-
   function calculateRealTime(animatingRect, fromRect, toRect, options) {
     return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
   }
@@ -823,7 +712,6 @@
           plugin[option] = defaults[option];
         }
       }
-
       plugins.forEach(function (p) {
         if (p.pluginName === plugin.pluginName) {
           throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
@@ -833,25 +721,22 @@
     },
     pluginEvent: function pluginEvent(eventName, sortable, evt) {
       var _this = this;
-
       this.eventCanceled = false;
-
       evt.cancel = function () {
         _this.eventCanceled = true;
       };
-
       var eventNameGlobal = eventName + 'Global';
       plugins.forEach(function (plugin) {
-        if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
-
+        if (!sortable[plugin.pluginName]) return;
+        // Fire global events if it exists in this sortable
         if (sortable[plugin.pluginName][eventNameGlobal]) {
           sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
             sortable: sortable
           }, evt));
-        } // Only fire plugin event if plugin is enabled in this sortable,
-        // and plugin has event defined
-
+        }
 
+        // Only fire plugin event if plugin is enabled in this sortable,
+        // and plugin has event defined
         if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
           sortable[plugin.pluginName][eventName](_objectSpread2({
             sortable: sortable
@@ -866,15 +751,14 @@
         var initialized = new plugin(sortable, el, sortable.options);
         initialized.sortable = sortable;
         initialized.options = sortable.options;
-        sortable[pluginName] = initialized; // Add default options from plugin
+        sortable[pluginName] = initialized;
 
+        // Add default options from plugin
         _extends(defaults, initialized.defaults);
       });
-
       for (var option in sortable.options) {
         if (!sortable.options.hasOwnProperty(option)) continue;
         var modified = this.modifyOption(sortable, option, sortable.options[option]);
-
         if (typeof modified !== 'undefined') {
           sortable.options[option] = modified;
         }
@@ -884,7 +768,6 @@
       var eventProperties = {};
       plugins.forEach(function (plugin) {
         if (typeof plugin.eventProperties !== 'function') return;
-
         _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
       });
       return eventProperties;
@@ -893,8 +776,9 @@
       var modifiedValue;
       plugins.forEach(function (plugin) {
         // Plugin must exist on the Sortable
-        if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
+        if (!sortable[plugin.pluginName]) return;
 
+        // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
         if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
           modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
         }
@@ -905,25 +789,25 @@
 
   function dispatchEvent(_ref) {
     var sortable = _ref.sortable,
-        rootEl = _ref.rootEl,
-        name = _ref.name,
-        targetEl = _ref.targetEl,
-        cloneEl = _ref.cloneEl,
-        toEl = _ref.toEl,
-        fromEl = _ref.fromEl,
-        oldIndex = _ref.oldIndex,
-        newIndex = _ref.newIndex,
-        oldDraggableIndex = _ref.oldDraggableIndex,
-        newDraggableIndex = _ref.newDraggableIndex,
-        originalEvent = _ref.originalEvent,
-        putSortable = _ref.putSortable,
-        extraEventProperties = _ref.extraEventProperties;
+      rootEl = _ref.rootEl,
+      name = _ref.name,
+      targetEl = _ref.targetEl,
+      cloneEl = _ref.cloneEl,
+      toEl = _ref.toEl,
+      fromEl = _ref.fromEl,
+      oldIndex = _ref.oldIndex,
+      newIndex = _ref.newIndex,
+      oldDraggableIndex = _ref.oldDraggableIndex,
+      newDraggableIndex = _ref.newDraggableIndex,
+      originalEvent = _ref.originalEvent,
+      putSortable = _ref.putSortable,
+      extraEventProperties = _ref.extraEventProperties;
     sortable = sortable || rootEl && rootEl[expando];
     if (!sortable) return;
     var evt,
-        options = sortable.options,
-        onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
-
+      options = sortable.options,
+      onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
+    // Support for new CustomEvent feature
     if (window.CustomEvent && !IE11OrLess && !Edge) {
       evt = new CustomEvent(name, {
         bubbles: true,
@@ -933,7 +817,6 @@
       evt = document.createEvent('Event');
       evt.initEvent(name, true, true);
     }
-
     evt.to = toEl || rootEl;
     evt.from = fromEl || rootEl;
     evt.item = targetEl || rootEl;
@@ -944,29 +827,23 @@
     evt.newDraggableIndex = newDraggableIndex;
     evt.originalEvent = originalEvent;
     evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
-
     var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
-
     for (var option in allEventProperties) {
       evt[option] = allEventProperties[option];
     }
-
     if (rootEl) {
       rootEl.dispatchEvent(evt);
     }
-
     if (options[onName]) {
       options[onName].call(sortable, evt);
     }
   }
 
   var _excluded = ["evt"];
-
   var pluginEvent = function pluginEvent(eventName, sortable) {
     var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-        originalEvent = _ref.evt,
-        data = _objectWithoutProperties(_ref, _excluded);
-
+      originalEvent = _ref.evt,
+      data = _objectWithoutProperties(_ref, _excluded);
     PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
       dragEl: dragEl,
       parentEl: parentEl,
@@ -1001,7 +878,6 @@
       }
     }, data));
   };
-
   function _dispatchEvent(info) {
     dispatchEvent(_objectSpread2({
       putSortable: putSortable,
@@ -1014,62 +890,61 @@
       newDraggableIndex: newDraggableIndex
     }, info));
   }
-
   var dragEl,
-      parentEl,
-      ghostEl,
-      rootEl,
-      nextEl,
-      lastDownEl,
-      cloneEl,
-      cloneHidden,
-      oldIndex,
-      newIndex,
-      oldDraggableIndex,
-      newDraggableIndex,
-      activeGroup,
-      putSortable,
-      awaitingDragStarted = false,
-      ignoreNextClick = false,
-      sortables = [],
-      tapEvt,
-      touchEvt,
-      lastDx,
-      lastDy,
-      tapDistanceLeft,
-      tapDistanceTop,
-      moved,
-      lastTarget,
-      lastDirection,
-      pastFirstInvertThresh = false,
-      isCircumstantialInvert = false,
-      targetMoveDistance,
-      // For positioning ghost absolutely
-  ghostRelativeParent,
-      ghostRelativeParentInitialScroll = [],
-      // (left, top)
-  _silent = false,
-      savedInputChecked = [];
-  /** @const */
+    parentEl,
+    ghostEl,
+    rootEl,
+    nextEl,
+    lastDownEl,
+    cloneEl,
+    cloneHidden,
+    oldIndex,
+    newIndex,
+    oldDraggableIndex,
+    newDraggableIndex,
+    activeGroup,
+    putSortable,
+    awaitingDragStarted = false,
+    ignoreNextClick = false,
+    sortables = [],
+    tapEvt,
+    touchEvt,
+    lastDx,
+    lastDy,
+    tapDistanceLeft,
+    tapDistanceTop,
+    moved,
+    lastTarget,
+    lastDirection,
+    pastFirstInvertThresh = false,
+    isCircumstantialInvert = false,
+    targetMoveDistance,
+    // For positioning ghost absolutely
+    ghostRelativeParent,
+    ghostRelativeParentInitialScroll = [],
+    // (left, top)
+
+    _silent = false,
+    savedInputChecked = [];
 
+  /** @const */
   var documentExists = typeof document !== 'undefined',
-      PositionGhostAbsolutely = IOS,
-      CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
-      // This will not pass for IE9, because IE9 DnD only works on anchors
-  supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
-      supportCssPointerEvents = function () {
-    if (!documentExists) return; // false when <= IE11
-
-    if (IE11OrLess) {
-      return false;
-    }
-
-    var el = document.createElement('x');
-    el.style.cssText = 'pointer-events:auto';
-    return el.style.pointerEvents === 'auto';
-  }(),
-      _detectDirection = function _detectDirection(el, options) {
-    var elCSS = css(el),
+    PositionGhostAbsolutely = IOS,
+    CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
+    // This will not pass for IE9, because IE9 DnD only works on anchors
+    supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+    supportCssPointerEvents = function () {
+      if (!documentExists) return;
+      // false when <= IE11
+      if (IE11OrLess) {
+        return false;
+      }
+      var el = document.createElement('x');
+      el.style.cssText = 'pointer-events:auto';
+      return el.style.pointerEvents === 'auto';
+    }(),
+    _detectDirection = function _detectDirection(el, options) {
+      var elCSS = css(el),
         elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
         child1 = getChild(el, 0, options),
         child2 = getChild(el, 1, options),
@@ -1077,102 +952,92 @@
         secondChildCSS = child2 && css(child2),
         firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
         secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;
-
-    if (elCSS.display === 'flex') {
-      return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
-    }
-
-    if (elCSS.display === 'grid') {
-      return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
-    }
-
-    if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
-      var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
-      return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
-    }
-
-    return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
-  },
-      _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
-    var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
+      if (elCSS.display === 'flex') {
+        return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
+      }
+      if (elCSS.display === 'grid') {
+        return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
+      }
+      if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
+        var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
+        return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
+      }
+      return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
+    },
+    _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
+      var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
         dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
         dragElOppLength = vertical ? dragRect.width : dragRect.height,
         targetS1Opp = vertical ? targetRect.left : targetRect.top,
         targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
         targetOppLength = vertical ? targetRect.width : targetRect.height;
-    return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
-  },
-
-  /**
-   * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
-   * @param  {Number} x      X position
-   * @param  {Number} y      Y position
-   * @return {HTMLElement}   Element of the first found nearest Sortable
-   */
-  _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
-    var ret;
-    sortables.some(function (sortable) {
-      var threshold = sortable[expando].options.emptyInsertThreshold;
-      if (!threshold || lastChild(sortable)) return;
-      var rect = getRect(sortable),
+      return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
+    },
+    /**
+     * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
+     * @param  {Number} x      X position
+     * @param  {Number} y      Y position
+     * @return {HTMLElement}   Element of the first found nearest Sortable
+     */
+    _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
+      var ret;
+      sortables.some(function (sortable) {
+        var threshold = sortable[expando].options.emptyInsertThreshold;
+        if (!threshold || lastChild(sortable)) return;
+        var rect = getRect(sortable),
           insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
           insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
-
-      if (insideHorizontally && insideVertically) {
-        return ret = sortable;
-      }
-    });
-    return ret;
-  },
-      _prepareGroup = function _prepareGroup(options) {
-    function toFn(value, pull) {
-      return function (to, from, dragEl, evt) {
-        var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
-
-        if (value == null && (pull || sameGroup)) {
-          // Default pull value
-          // Default pull and put value if same group
-          return true;
-        } else if (value == null || value === false) {
-          return false;
-        } else if (pull && value === 'clone') {
-          return value;
-        } else if (typeof value === 'function') {
-          return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
-        } else {
-          var otherGroup = (pull ? to : from).options.group.name;
-          return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+        if (insideHorizontally && insideVertically) {
+          return ret = sortable;
         }
-      };
-    }
-
-    var group = {};
-    var originalGroup = options.group;
-
-    if (!originalGroup || _typeof(originalGroup) != 'object') {
-      originalGroup = {
-        name: originalGroup
-      };
-    }
-
-    group.name = originalGroup.name;
-    group.checkPull = toFn(originalGroup.pull, true);
-    group.checkPut = toFn(originalGroup.put);
-    group.revertClone = originalGroup.revertClone;
-    options.group = group;
-  },
-      _hideGhostForTarget = function _hideGhostForTarget() {
-    if (!supportCssPointerEvents && ghostEl) {
-      css(ghostEl, 'display', 'none');
-    }
-  },
-      _unhideGhostForTarget = function _unhideGhostForTarget() {
-    if (!supportCssPointerEvents && ghostEl) {
-      css(ghostEl, 'display', '');
-    }
-  }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
-
+      });
+      return ret;
+    },
+    _prepareGroup = function _prepareGroup(options) {
+      function toFn(value, pull) {
+        return function (to, from, dragEl, evt) {
+          var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
+          if (value == null && (pull || sameGroup)) {
+            // Default pull value
+            // Default pull and put value if same group
+            return true;
+          } else if (value == null || value === false) {
+            return false;
+          } else if (pull && value === 'clone') {
+            return value;
+          } else if (typeof value === 'function') {
+            return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
+          } else {
+            var otherGroup = (pull ? to : from).options.group.name;
+            return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+          }
+        };
+      }
+      var group = {};
+      var originalGroup = options.group;
+      if (!originalGroup || _typeof(originalGroup) != 'object') {
+        originalGroup = {
+          name: originalGroup
+        };
+      }
+      group.name = originalGroup.name;
+      group.checkPull = toFn(originalGroup.pull, true);
+      group.checkPut = toFn(originalGroup.put);
+      group.revertClone = originalGroup.revertClone;
+      options.group = group;
+    },
+    _hideGhostForTarget = function _hideGhostForTarget() {
+      if (!supportCssPointerEvents && ghostEl) {
+        css(ghostEl, 'display', 'none');
+      }
+    },
+    _unhideGhostForTarget = function _unhideGhostForTarget() {
+      if (!supportCssPointerEvents && ghostEl) {
+        css(ghostEl, 'display', '');
+      }
+    };
 
+  // #1184 fix - Prevent click event on fallback if dragged but item not changed position
   if (documentExists && !ChromeForAndroid) {
     document.addEventListener('click', function (evt) {
       if (ignoreNextClick) {
@@ -1184,53 +1049,44 @@
       }
     }, true);
   }
-
   var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
     if (dragEl) {
       evt = evt.touches ? evt.touches[0] : evt;
-
       var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
-
       if (nearest) {
         // Create imitation event
         var event = {};
-
         for (var i in evt) {
           if (evt.hasOwnProperty(i)) {
             event[i] = evt[i];
           }
         }
-
         event.target = event.rootEl = nearest;
         event.preventDefault = void 0;
         event.stopPropagation = void 0;
-
         nearest[expando]._onDragOver(event);
       }
     }
   };
-
   var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
     if (dragEl) {
       dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
     }
   };
+
   /**
    * @class  Sortable
    * @param  {HTMLElement}  el
    * @param  {Object}       [options]
    */
-
-
   function Sortable(el, options) {
     if (!(el && el.nodeType && el.nodeType === 1)) {
       throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
     }
-
     this.el = el; // root element
+    this.options = options = _extends({}, options);
 
-    this.options = options = _extends({}, options); // Export instance
-
+    // Export instance
     el[expando] = this;
     var defaults = {
       group: null,
@@ -1277,52 +1133,48 @@
       supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
       emptyInsertThreshold: 5
     };
-    PluginManager.initializePlugins(this, el, defaults); // Set default options
+    PluginManager.initializePlugins(this, el, defaults);
 
+    // Set default options
     for (var name in defaults) {
       !(name in options) && (options[name] = defaults[name]);
     }
+    _prepareGroup(options);
 
-    _prepareGroup(options); // Bind all private methods
-
-
+    // Bind all private methods
     for (var fn in this) {
       if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
         this[fn] = this[fn].bind(this);
       }
-    } // Setup drag mode
-
+    }
 
+    // Setup drag mode
     this.nativeDraggable = options.forceFallback ? false : supportDraggable;
-
     if (this.nativeDraggable) {
       // Touch start threshold cannot be greater than the native dragstart threshold
       this.options.touchStartThreshold = 1;
-    } // Bind events
-
+    }
 
+    // Bind events
     if (options.supportPointer) {
       on(el, 'pointerdown', this._onTapStart);
     } else {
       on(el, 'mousedown', this._onTapStart);
       on(el, 'touchstart', this._onTapStart);
     }
-
     if (this.nativeDraggable) {
       on(el, 'dragover', this);
       on(el, 'dragenter', this);
     }
+    sortables.push(this.el);
 
-    sortables.push(this.el); // Restore sorting
-
-    options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager
+    // Restore sorting
+    options.store && options.store.get && this.sort(options.store.get(this) || []);
 
+    // Add animation state manager
     _extends(this, AnimationStateManager());
   }
-
-  Sortable.prototype =
-  /** @lends Sortable.prototype */
-  {
+  Sortable.prototype = /** @lends Sortable.prototype */{
     constructor: Sortable,
     _isOutsideThisEl: function _isOutsideThisEl(target) {
       if (!this.el.contains(target) && target !== this.el) {
@@ -1332,57 +1184,50 @@
     _getDirection: function _getDirection(evt, target) {
       return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
     },
-    _onTapStart: function _onTapStart(
-    /** Event|TouchEvent */
-    evt) {
+    _onTapStart: function _onTapStart( /** Event|TouchEvent */evt) {
       if (!evt.cancelable) return;
-
       var _this = this,
-          el = this.el,
-          options = this.options,
-          preventOnFilter = options.preventOnFilter,
-          type = evt.type,
-          touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
-          target = (touch || evt).target,
-          originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
-          filter = options.filter;
-
-      _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
-
-
+        el = this.el,
+        options = this.options,
+        preventOnFilter = options.preventOnFilter,
+        type = evt.type,
+        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
+        target = (touch || evt).target,
+        originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
+        filter = options.filter;
+      _saveInputCheckedState(el);
+
+      // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
       if (dragEl) {
         return;
       }
-
       if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
         return; // only left button and enabled
-      } // cancel dnd if original target is content editable
-
+      }
 
+      // cancel dnd if original target is content editable
       if (originalTarget.isContentEditable) {
         return;
-      } // Safari ignores further event handling after mousedown
-
+      }
 
+      // Safari ignores further event handling after mousedown
       if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
         return;
       }
-
       target = closest(target, options.draggable, el, false);
-
       if (target && target.animated) {
         return;
       }
-
       if (lastDownEl === target) {
         // Ignoring duplicate `down`
         return;
-      } // Get the index of the dragged element within its parent
-
+      }
 
+      // Get the index of the dragged element within its parent
       oldIndex = index(target);
-      oldDraggableIndex = index(target, options.draggable); // Check filter
+      oldDraggableIndex = index(target, options.draggable);
 
+      // Check filter
       if (typeof filter === 'function') {
         if (filter.call(this, evt, target, this)) {
           _dispatchEvent({
@@ -1393,7 +1238,6 @@
             toEl: el,
             fromEl: el
           });
-
           pluginEvent('filter', _this, {
             evt: evt
           });
@@ -1403,7 +1247,6 @@
       } else if (filter) {
         filter = filter.split(',').some(function (criteria) {
           criteria = closest(originalTarget, criteria.trim(), el, false);
-
           if (criteria) {
             _dispatchEvent({
               sortable: _this,
@@ -1413,40 +1256,30 @@
               fromEl: el,
               toEl: el
             });
-
             pluginEvent('filter', _this, {
               evt: evt
             });
             return true;
           }
         });
-
         if (filter) {
           preventOnFilter && evt.cancelable && evt.preventDefault();
           return; // cancel dnd
         }
       }
-
       if (options.handle && !closest(originalTarget, options.handle, el, false)) {
         return;
-      } // Prepare `dragstart`
-
+      }
 
+      // Prepare `dragstart`
       this._prepareDragStart(evt, touch, target);
     },
-    _prepareDragStart: function _prepareDragStart(
-    /** Event */
-    evt,
-    /** Touch */
-    touch,
-    /** HTMLElement */
-    target) {
+    _prepareDragStart: function _prepareDragStart( /** Event */evt, /** Touch */touch, /** HTMLElement */target) {
       var _this = this,
-          el = _this.el,
-          options = _this.options,
-          ownerDocument = el.ownerDocument,
-          dragStartFn;
-
+        el = _this.el,
+        options = _this.options,
+        ownerDocument = el.ownerDocument,
+        dragStartFn;
       if (target && !dragEl && target.parentNode === el) {
         var dragRect = getRect(target);
         rootEl = el;
@@ -1466,41 +1299,36 @@
         this._lastX = (touch || evt).clientX;
         this._lastY = (touch || evt).clientY;
         dragEl.style['will-change'] = 'all';
-
         dragStartFn = function dragStartFn() {
           pluginEvent('delayEnded', _this, {
             evt: evt
           });
-
           if (Sortable.eventCanceled) {
             _this._onDrop();
-
             return;
-          } // Delayed drag has been triggered
+          }
+          // Delayed drag has been triggered
           // we can re-enable the events: touchmove/mousemove
-
-
           _this._disableDelayedDragEvents();
-
           if (!FireFox && _this.nativeDraggable) {
             dragEl.draggable = true;
-          } // Bind the events: dragstart/dragend
-
-
-          _this._triggerDragStart(evt, touch); // Drag start event
+          }
 
+          // Bind the events: dragstart/dragend
+          _this._triggerDragStart(evt, touch);
 
+          // Drag start event
           _dispatchEvent({
             sortable: _this,
             name: 'choose',
             originalEvent: evt
-          }); // Chosen item
-
+          });
 
+          // Chosen item
           toggleClass(dragEl, options.chosenClass, true);
-        }; // Disable "draggable"
-
+        };
 
+        // Disable "draggable"
         options.ignore.split(',').forEach(function (criteria) {
           find(dragEl, criteria.trim(), _disableDraggable);
         });
@@ -1509,27 +1337,26 @@
         on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
         on(ownerDocument, 'mouseup', _this._onDrop);
         on(ownerDocument, 'touchend', _this._onDrop);
-        on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)
+        on(ownerDocument, 'touchcancel', _this._onDrop);
 
+        // Make dragEl draggable (must be before delay for FireFox)
         if (FireFox && this.nativeDraggable) {
           this.options.touchStartThreshold = 4;
           dragEl.draggable = true;
         }
-
         pluginEvent('delayStart', this, {
           evt: evt
-        }); // Delay is impossible for native DnD in Edge or IE
+        });
 
+        // Delay is impossible for native DnD in Edge or IE
         if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {
           if (Sortable.eventCanceled) {
             this._onDrop();
-
             return;
-          } // If the user moves the pointer or let go the click or touch
+          }
+          // If the user moves the pointer or let go the click or touch
           // before the delay has been reached:
           // disable the delayed drag
-
-
           on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
           on(ownerDocument, 'touchend', _this._disableDelayedDrag);
           on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
@@ -1542,11 +1369,8 @@
         }
       }
     },
-    _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(
-    /** TouchEvent|PointerEvent **/
-    e) {
+    _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler( /** TouchEvent|PointerEvent **/e) {
       var touch = e.touches ? e.touches[0] : e;
-
       if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {
         this._disableDelayedDrag();
       }
@@ -1554,7 +1378,6 @@
     _disableDelayedDrag: function _disableDelayedDrag() {
       dragEl && _disableDraggable(dragEl);
       clearTimeout(this._dragStartTimer);
-
       this._disableDelayedDragEvents();
     },
     _disableDelayedDragEvents: function _disableDelayedDragEvents() {
@@ -1566,13 +1389,8 @@
       off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
       off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
     },
-    _triggerDragStart: function _triggerDragStart(
-    /** Event */
-    evt,
-    /** Touch */
-    touch) {
+    _triggerDragStart: function _triggerDragStart( /** Event */evt, /** Touch */touch) {
       touch = touch || evt.pointerType == 'touch' && evt;
-
       if (!this.nativeDraggable || touch) {
         if (this.options.supportPointer) {
           on(document, 'pointermove', this._onTouchMove);
@@ -1585,7 +1403,6 @@
         on(dragEl, 'dragend', this);
         on(rootEl, 'dragstart', this._onDragStart);
       }
-
       try {
         if (document.selection) {
           // Timeout neccessary for IE9
@@ -1598,25 +1415,23 @@
       } catch (err) {}
     },
     _dragStarted: function _dragStarted(fallback, evt) {
-
       awaitingDragStarted = false;
-
       if (rootEl && dragEl) {
         pluginEvent('dragStarted', this, {
           evt: evt
         });
-
         if (this.nativeDraggable) {
           on(document, 'dragover', _checkOutsideTargetEl);
         }
+        var options = this.options;
 
-        var options = this.options; // Apply effect
-
+        // Apply effect
         !fallback && toggleClass(dragEl, options.dragClass, false);
         toggleClass(dragEl, options.ghostClass, true);
         Sortable.active = this;
-        fallback && this._appendGhost(); // Drag start event
+        fallback && this._appendGhost();
 
+        // Drag start event
         _dispatchEvent({
           sortable: this,
           name: 'start',
@@ -1630,20 +1445,15 @@
       if (touchEvt) {
         this._lastX = touchEvt.clientX;
         this._lastY = touchEvt.clientY;
-
         _hideGhostForTarget();
-
         var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
         var parent = target;
-
         while (target && target.shadowRoot) {
           target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
           if (target === parent) break;
           parent = target;
         }
-
         dragEl.parentNode[expando]._isOutsideThisEl(target);
-
         if (parent) {
           do {
             if (parent[expando]) {
@@ -1654,44 +1464,37 @@
                 target: target,
                 rootEl: parent
               });
-
               if (inserted && !this.options.dragoverBubble) {
                 break;
               }
             }
-
             target = parent; // store last element
           }
-          /* jshint boss:true */
-          while (parent = parent.parentNode);
+          /* jshint boss:true */ while (parent = parent.parentNode);
         }
-
         _unhideGhostForTarget();
       }
     },
-    _onTouchMove: function _onTouchMove(
-    /**TouchEvent*/
-    evt) {
+    _onTouchMove: function _onTouchMove( /**TouchEvent*/evt) {
       if (tapEvt) {
         var options = this.options,
-            fallbackTolerance = options.fallbackTolerance,
-            fallbackOffset = options.fallbackOffset,
-            touch = evt.touches ? evt.touches[0] : evt,
-            ghostMatrix = ghostEl && matrix(ghostEl, true),
-            scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
-            scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
-            relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
-            dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-            dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
-
+          fallbackTolerance = options.fallbackTolerance,
+          fallbackOffset = options.fallbackOffset,
+          touch = evt.touches ? evt.touches[0] : evt,
+          ghostMatrix = ghostEl && matrix(ghostEl, true),
+          scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
+          scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
+          relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
+          dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
+          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1);
+
+        // only set the status to dragging, when we are actually dragging
         if (!Sortable.active && !awaitingDragStarted) {
           if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
             return;
           }
-
           this._onDragStart(evt, true);
         }
-
         if (ghostEl) {
           if (ghostMatrix) {
             ghostMatrix.e += dx - (lastDx || 0);
@@ -1706,7 +1509,6 @@
               f: dy
             };
           }
-
           var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
           css(ghostEl, 'webkitTransform', cssMatrix);
           css(ghostEl, 'mozTransform', cssMatrix);
@@ -1716,7 +1518,6 @@
           lastDy = dy;
           touchEvt = touch;
         }
-
         evt.cancelable && evt.preventDefault();
       }
     },
@@ -1725,17 +1526,16 @@
       // Not being adjusted for
       if (!ghostEl) {
         var container = this.options.fallbackOnBody ? document.body : rootEl,
-            rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
-            options = this.options; // Position absolutely
+          rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
+          options = this.options;
 
+        // Position absolutely
         if (PositionGhostAbsolutely) {
           // Get relatively positioned parent
           ghostRelativeParent = container;
-
           while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {
             ghostRelativeParent = ghostRelativeParent.parentNode;
           }
-
           if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {
             if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();
             rect.top += ghostRelativeParent.scrollTop;
@@ -1743,10 +1543,8 @@
           } else {
             ghostRelativeParent = getWindowScrollingElement();
           }
-
           ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);
         }
-
         ghostEl = dragEl.cloneNode(true);
         toggleClass(ghostEl, options.ghostClass, false);
         toggleClass(ghostEl, options.fallbackClass, true);
@@ -1764,62 +1562,50 @@
         css(ghostEl, 'zIndex', '100000');
         css(ghostEl, 'pointerEvents', 'none');
         Sortable.ghost = ghostEl;
-        container.appendChild(ghostEl); // Set transform-origin
+        container.appendChild(ghostEl);
 
+        // Set transform-origin
         css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
       }
     },
-    _onDragStart: function _onDragStart(
-    /**Event*/
-    evt,
-    /**boolean*/
-    fallback) {
+    _onDragStart: function _onDragStart( /**Event*/evt, /**boolean*/fallback) {
       var _this = this;
-
       var dataTransfer = evt.dataTransfer;
       var options = _this.options;
       pluginEvent('dragStart', this, {
         evt: evt
       });
-
       if (Sortable.eventCanceled) {
         this._onDrop();
-
         return;
       }
-
       pluginEvent('setupClone', this);
-
       if (!Sortable.eventCanceled) {
         cloneEl = clone(dragEl);
         cloneEl.removeAttribute("id");
         cloneEl.draggable = false;
         cloneEl.style['will-change'] = '';
-
         this._hideClone();
-
         toggleClass(cloneEl, this.options.chosenClass, false);
         Sortable.clone = cloneEl;
-      } // #1143: IFrame support workaround
-
+      }
 
+      // #1143: IFrame support workaround
       _this.cloneId = _nextTick(function () {
         pluginEvent('clone', _this);
         if (Sortable.eventCanceled) return;
-
         if (!_this.options.removeCloneOnHide) {
           rootEl.insertBefore(cloneEl, dragEl);
         }
-
         _this._hideClone();
-
         _dispatchEvent({
           sortable: _this,
           name: 'clone'
         });
       });
-      !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events
+      !fallback && toggleClass(dragEl, options.dragClass, true);
 
+      // Set proper drop events
       if (fallback) {
         ignoreNextClick = true;
         _this._loopId = setInterval(_this._emulateDragOver, 50);
@@ -1828,47 +1614,40 @@
         off(document, 'mouseup', _this._onDrop);
         off(document, 'touchend', _this._onDrop);
         off(document, 'touchcancel', _this._onDrop);
-
         if (dataTransfer) {
           dataTransfer.effectAllowed = 'move';
           options.setData && options.setData.call(_this, dataTransfer, dragEl);
         }
+        on(document, 'drop', _this);
 
-        on(document, 'drop', _this); // #1276 fix:
-
+        // #1276 fix:
         css(dragEl, 'transform', 'translateZ(0)');
       }
-
       awaitingDragStarted = true;
       _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
       on(document, 'selectstart', _this);
       moved = true;
-
       if (Safari) {
         css(document.body, 'user-select', 'none');
       }
     },
     // Returns true - if no further action is needed (either inserted or another condition)
-    _onDragOver: function _onDragOver(
-    /**Event*/
-    evt) {
+    _onDragOver: function _onDragOver( /**Event*/evt) {
       var el = this.el,
-          target = evt.target,
-          dragRect,
-          targetRect,
-          revert,
-          options = this.options,
-          group = options.group,
-          activeSortable = Sortable.active,
-          isOwner = activeGroup === group,
-          canSort = options.sort,
-          fromSortable = putSortable || activeSortable,
-          vertical,
-          _this = this,
-          completedFired = false;
-
+        target = evt.target,
+        dragRect,
+        targetRect,
+        revert,
+        options = this.options,
+        group = options.group,
+        activeSortable = Sortable.active,
+        isOwner = activeGroup === group,
+        canSort = options.sort,
+        fromSortable = putSortable || activeSortable,
+        vertical,
+        _this = this,
+        completedFired = false;
       if (_silent) return;
-
       function dragOverEvent(name, extra) {
         pluginEvent(name, _this, _objectSpread2({
           evt: evt,
@@ -1886,25 +1665,22 @@
           },
           changed: changed
         }, extra));
-      } // Capture animation state
-
+      }
 
+      // Capture animation state
       function capture() {
         dragOverEvent('dragOverAnimationCapture');
-
         _this.captureAnimationState();
-
         if (_this !== fromSortable) {
           fromSortable.captureAnimationState();
         }
-      } // Return invocation when dragEl is inserted (or completed)
-
+      }
 
+      // Return invocation when dragEl is inserted (or completed)
       function completed(insertion) {
         dragOverEvent('dragOverCompleted', {
           insertion: insertion
         });
-
         if (insertion) {
           // Clones must be hidden before folding animation to capture dragRectAbsolute properly
           if (isOwner) {
@@ -1912,57 +1688,51 @@
           } else {
             activeSortable._showClone(_this);
           }
-
           if (_this !== fromSortable) {
             // Set ghost class to new sortable's ghost class
             toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
             toggleClass(dragEl, options.ghostClass, true);
           }
-
           if (putSortable !== _this && _this !== Sortable.active) {
             putSortable = _this;
           } else if (_this === Sortable.active && putSortable) {
             putSortable = null;
-          } // Animation
-
+          }
 
+          // Animation
           if (fromSortable === _this) {
             _this._ignoreWhileAnimating = target;
           }
-
           _this.animateAll(function () {
             dragOverEvent('dragOverAnimationComplete');
             _this._ignoreWhileAnimating = null;
           });
-
           if (_this !== fromSortable) {
             fromSortable.animateAll();
             fromSortable._ignoreWhileAnimating = null;
           }
-        } // Null lastTarget if it is not inside a previously swapped element
-
+        }
 
+        // Null lastTarget if it is not inside a previously swapped element
         if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
           lastTarget = null;
-        } // no bubbling and not fallback
-
+        }
 
+        // no bubbling and not fallback
         if (!options.dragoverBubble && !evt.rootEl && target !== document) {
-          dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted
-
+          dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
 
+          // Do not detect for empty insert if already inserted
           !insertion && nearestEmptyInsertDetectEvent(evt);
         }
-
         !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
         return completedFired = true;
-      } // Call when dragEl has been inserted
-
+      }
 
+      // Call when dragEl has been inserted
       function changed() {
         newIndex = index(dragEl);
         newDraggableIndex = index(dragEl, options.draggable);
-
         _dispatchEvent({
           sortable: _this,
           name: 'change',
@@ -1972,37 +1742,27 @@
           originalEvent: evt
         });
       }
-
       if (evt.preventDefault !== void 0) {
         evt.cancelable && evt.preventDefault();
       }
-
       target = closest(target, options.draggable, el, true);
       dragOverEvent('dragOver');
       if (Sortable.eventCanceled) return completedFired;
-
       if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
         return completed(false);
       }
-
       ignoreNextClick = false;
-
       if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
       : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
         vertical = this._getDirection(evt, target) === 'vertical';
         dragRect = getRect(dragEl);
         dragOverEvent('dragOverValid');
         if (Sortable.eventCanceled) return completedFired;
-
         if (revert) {
           parentEl = rootEl; // actualization
-
           capture();
-
           this._hideClone();
-
           dragOverEvent('revert');
-
           if (!Sortable.eventCanceled) {
             if (nextEl) {
               rootEl.insertBefore(dragEl, nextEl);
@@ -2010,38 +1770,32 @@
               rootEl.appendChild(dragEl);
             }
           }
-
           return completed(true);
         }
-
         var elLastChild = lastChild(el, options.draggable);
-
         if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
           // Insert to end of list
+
           // If already at end of list: Do not insert
           if (elLastChild === dragEl) {
             return completed(false);
-          } // if there is a last element, it is the target
-
+          }
 
+          // if there is a last element, it is the target
           if (elLastChild && el === evt.target) {
             target = elLastChild;
           }
-
           if (target) {
             targetRect = getRect(target);
           }
-
           if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
             capture();
-
             if (elLastChild && elLastChild.nextSibling) {
               // the last draggable element is not the last node
               el.insertBefore(dragEl, elLastChild.nextSibling);
             } else {
               el.appendChild(dragEl);
             }
-
             parentEl = el; // actualization
 
             changed();
@@ -2050,14 +1804,11 @@
         } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
           // Insert to start of list
           var firstChild = getChild(el, 0, options, true);
-
           if (firstChild === dragEl) {
             return completed(false);
           }
-
           target = firstChild;
           targetRect = getRect(target);
-
           if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
             capture();
             el.insertBefore(dragEl, firstChild);
@@ -2069,82 +1820,68 @@
         } else if (target.parentNode === el) {
           targetRect = getRect(target);
           var direction = 0,
-              targetBeforeFirstSwap,
-              differentLevel = dragEl.parentNode !== el,
-              differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
-              side1 = vertical ? 'top' : 'left',
-              scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
-              scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
-
+            targetBeforeFirstSwap,
+            differentLevel = dragEl.parentNode !== el,
+            differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
+            side1 = vertical ? 'top' : 'left',
+            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
+            scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
           if (lastTarget !== target) {
             targetBeforeFirstSwap = targetRect[side1];
             pastFirstInvertThresh = false;
             isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
           }
-
           direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
           var sibling;
-
           if (direction !== 0) {
             // Check if target is beside dragEl in respective direction (ignoring hidden elements)
             var dragIndex = index(dragEl);
-
             do {
               dragIndex -= direction;
               sibling = parentEl.children[dragIndex];
             } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
-          } // If dragEl is already beside target: Do not insert
-
-
+          }
+          // If dragEl is already beside target: Do not insert
           if (direction === 0 || sibling === target) {
             return completed(false);
           }
-
           lastTarget = target;
           lastDirection = direction;
           var nextSibling = target.nextElementSibling,
-              after = false;
+            after = false;
           after = direction === 1;
-
           var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
-
           if (moveVector !== false) {
             if (moveVector === 1 || moveVector === -1) {
               after = moveVector === 1;
             }
-
             _silent = true;
             setTimeout(_unsilent, 30);
             capture();
-
             if (after && !nextSibling) {
               el.appendChild(dragEl);
             } else {
               target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
-            } // Undo chrome's scroll adjustment (has no effect on other browsers)
-
+            }
 
+            // Undo chrome's scroll adjustment (has no effect on other browsers)
             if (scrolledPastTop) {
               scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
             }
-
             parentEl = dragEl.parentNode; // actualization
-            // must be done before animation
 
+            // must be done before animation
             if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
               targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
             }
-
             changed();
             return completed(true);
           }
         }
-
         if (el.contains(dragEl)) {
           return completed(false);
         }
       }
-
       return false;
     },
     _ignoreWhileAnimating: null,
@@ -2164,83 +1901,69 @@
       off(ownerDocument, 'touchcancel', this._onDrop);
       off(document, 'selectstart', this);
     },
-    _onDrop: function _onDrop(
-    /**Event*/
-    evt) {
+    _onDrop: function _onDrop( /**Event*/evt) {
       var el = this.el,
-          options = this.options; // Get the index of the dragged element within its parent
+        options = this.options;
 
+      // Get the index of the dragged element within its parent
       newIndex = index(dragEl);
       newDraggableIndex = index(dragEl, options.draggable);
       pluginEvent('drop', this, {
         evt: evt
       });
-      parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
+      parentEl = dragEl && dragEl.parentNode;
 
+      // Get again after plugin event
       newIndex = index(dragEl);
       newDraggableIndex = index(dragEl, options.draggable);
-
       if (Sortable.eventCanceled) {
         this._nulling();
-
         return;
       }
-
       awaitingDragStarted = false;
       isCircumstantialInvert = false;
       pastFirstInvertThresh = false;
       clearInterval(this._loopId);
       clearTimeout(this._dragStartTimer);
-
       _cancelNextTick(this.cloneId);
+      _cancelNextTick(this._dragStartId);
 
-      _cancelNextTick(this._dragStartId); // Unbind events
-
-
+      // Unbind events
       if (this.nativeDraggable) {
         off(document, 'drop', this);
         off(el, 'dragstart', this._onDragStart);
       }
-
       this._offMoveEvents();
-
       this._offUpEvents();
-
       if (Safari) {
         css(document.body, 'user-select', '');
       }
-
       css(dragEl, 'transform', '');
-
       if (evt) {
         if (moved) {
           evt.cancelable && evt.preventDefault();
           !options.dropBubble && evt.stopPropagation();
         }
-
         ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
-
         if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
           // Remove clone(s)
           cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
         }
-
         if (dragEl) {
           if (this.nativeDraggable) {
             off(dragEl, 'dragend', this);
           }
-
           _disableDraggable(dragEl);
+          dragEl.style['will-change'] = '';
 
-          dragEl.style['will-change'] = ''; // Remove classes
+          // Remove classes
           // ghostClass is added in dragStarted
-
           if (moved && !awaitingDragStarted) {
             toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
           }
+          toggleClass(dragEl, this.options.chosenClass, false);
 
-          toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event
-
+          // Drag stop event
           _dispatchEvent({
             sortable: this,
             name: 'unchoose',
@@ -2249,7 +1972,6 @@
             newDraggableIndex: null,
             originalEvent: evt
           });
-
           if (rootEl !== parentEl) {
             if (newIndex >= 0) {
               // Add event
@@ -2259,17 +1981,17 @@
                 toEl: parentEl,
                 fromEl: rootEl,
                 originalEvent: evt
-              }); // Remove event
-
+              });
 
+              // Remove event
               _dispatchEvent({
                 sortable: this,
                 name: 'remove',
                 toEl: parentEl,
                 originalEvent: evt
-              }); // drag from one list and drop into another
-
+              });
 
+              // drag from one list and drop into another
               _dispatchEvent({
                 rootEl: parentEl,
                 name: 'sort',
@@ -2277,7 +1999,6 @@
                 fromEl: rootEl,
                 originalEvent: evt
               });
-
               _dispatchEvent({
                 sortable: this,
                 name: 'sort',
@@ -2285,7 +2006,6 @@
                 originalEvent: evt
               });
             }
-
             putSortable && putSortable.save();
           } else {
             if (newIndex !== oldIndex) {
@@ -2297,7 +2017,6 @@
                   toEl: parentEl,
                   originalEvent: evt
                 });
-
                 _dispatchEvent({
                   sortable: this,
                   name: 'sort',
@@ -2307,27 +2026,24 @@
               }
             }
           }
-
           if (Sortable.active) {
             /* jshint eqnull:true */
             if (newIndex == null || newIndex === -1) {
               newIndex = oldIndex;
               newDraggableIndex = oldDraggableIndex;
             }
-
             _dispatchEvent({
               sortable: this,
               name: 'end',
               toEl: parentEl,
               originalEvent: evt
-            }); // Save sorting
-
+            });
 
+            // Save sorting
             this.save();
           }
         }
       }
-
       this._nulling();
     },
     _nulling: function _nulling() {
@@ -2338,65 +2054,52 @@
       });
       savedInputChecked.length = lastDx = lastDy = 0;
     },
-    handleEvent: function handleEvent(
-    /**Event*/
-    evt) {
+    handleEvent: function handleEvent( /**Event*/evt) {
       switch (evt.type) {
         case 'drop':
         case 'dragend':
           this._onDrop(evt);
-
           break;
-
         case 'dragenter':
         case 'dragover':
           if (dragEl) {
             this._onDragOver(evt);
-
             _globalDragOver(evt);
           }
-
           break;
-
         case 'selectstart':
           evt.preventDefault();
           break;
       }
     },
-
     /**
      * Serializes the item into an array of string.
      * @returns {String[]}
      */
     toArray: function toArray() {
       var order = [],
-          el,
-          children = this.el.children,
-          i = 0,
-          n = children.length,
-          options = this.options;
-
+        el,
+        children = this.el.children,
+        i = 0,
+        n = children.length,
+        options = this.options;
       for (; i < n; i++) {
         el = children[i];
-
         if (closest(el, options.draggable, this.el, false)) {
           order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
         }
       }
-
       return order;
     },
-
     /**
      * Sorts the elements according to the array.
      * @param  {String[]}  order  order of the items
      */
     sort: function sort(order, useAnimation) {
       var items = {},
-          rootEl = this.el;
+        rootEl = this.el;
       this.toArray().forEach(function (id, i) {
         var el = rootEl.children[i];
-
         if (closest(el, this.options.draggable, rootEl, false)) {
           items[id] = el;
         }
@@ -2410,7 +2113,6 @@
       });
       useAnimation && this.animateAll();
     },
-
     /**
      * Save the current sorting
      */
@@ -2418,7 +2120,6 @@
       var store = this.options.store;
       store && store.set && store.set(this);
     },
-
     /**
      * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
      * @param   {HTMLElement}  el
@@ -2428,7 +2129,6 @@
     closest: function closest$1(el, selector) {
       return closest(el, selector || this.options.draggable, this.el, false);
     },
-
     /**
      * Set/get option
      * @param   {string} name
@@ -2437,24 +2137,20 @@
      */
     option: function option(name, value) {
       var options = this.options;
-
       if (value === void 0) {
         return options[name];
       } else {
         var modifiedValue = PluginManager.modifyOption(this, name, value);
-
         if (typeof modifiedValue !== 'undefined') {
           options[name] = modifiedValue;
         } else {
           options[name] = value;
         }
-
         if (name === 'group') {
           _prepareGroup(options);
         }
       }
     },
-
     /**
      * Destroy
      */
@@ -2465,23 +2161,16 @@
       off(el, 'mousedown', this._onTapStart);
       off(el, 'touchstart', this._onTapStart);
       off(el, 'pointerdown', this._onTapStart);
-
       if (this.nativeDraggable) {
         off(el, 'dragover', this);
         off(el, 'dragenter', this);
-      } // Remove draggable attributes
-
-
+      }
+      // Remove draggable attributes
       Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
         el.removeAttribute('draggable');
       });
-
-      if (el === rootEl) {
-        this._onDrop();
-      }
-
+      this._onDrop();
       this._disableDelayedDragEvents();
-
       sortables.splice(sortables.indexOf(this.el), 1);
       this.el = el = null;
     },
@@ -2490,25 +2179,22 @@
         pluginEvent('hideClone', this);
         if (Sortable.eventCanceled) return;
         css(cloneEl, 'display', 'none');
-
         if (this.options.removeCloneOnHide && cloneEl.parentNode) {
           cloneEl.parentNode.removeChild(cloneEl);
         }
-
         cloneHidden = true;
       }
     },
     _showClone: function _showClone(putSortable) {
       if (putSortable.lastPutMode !== 'clone') {
         this._hideClone();
-
         return;
       }
-
       if (cloneHidden) {
         pluginEvent('showClone', this);
-        if (Sortable.eventCanceled) return; // show clone at dragEl or original position
+        if (Sortable.eventCanceled) return;
 
+        // show clone at dragEl or original position
         if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
           rootEl.insertBefore(cloneEl, dragEl);
         } else if (nextEl) {
@@ -2516,33 +2202,26 @@
         } else {
           rootEl.appendChild(cloneEl);
         }
-
         if (this.options.group.revertClone) {
           this.animate(dragEl, cloneEl);
         }
-
         css(cloneEl, 'display', '');
         cloneHidden = false;
       }
     }
   };
-
-  function _globalDragOver(
-  /**Event*/
-  evt) {
+  function _globalDragOver( /**Event*/evt) {
     if (evt.dataTransfer) {
       evt.dataTransfer.dropEffect = 'move';
     }
-
     evt.cancelable && evt.preventDefault();
   }
-
   function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {
     var evt,
-        sortable = fromEl[expando],
-        onMoveFn = sortable.options.onMove,
-        retVal; // Support for new CustomEvent feature
-
+      sortable = fromEl[expando],
+      onMoveFn = sortable.options.onMove,
+      retVal;
+    // Support for new CustomEvent feature
     if (window.CustomEvent && !IE11OrLess && !Edge) {
       evt = new CustomEvent('move', {
         bubbles: true,
@@ -2552,7 +2231,6 @@
       evt = document.createEvent('Event');
       evt.initEvent('move', true, true);
     }
-
     evt.to = toEl;
     evt.from = fromEl;
     evt.dragged = dragEl;
@@ -2562,41 +2240,35 @@
     evt.willInsertAfter = willInsertAfter;
     evt.originalEvent = originalEvent;
     fromEl.dispatchEvent(evt);
-
     if (onMoveFn) {
       retVal = onMoveFn.call(sortable, evt, originalEvent);
     }
-
     return retVal;
   }
-
   function _disableDraggable(el) {
     el.draggable = false;
   }
-
   function _unsilent() {
     _silent = false;
   }
-
   function _ghostIsFirst(evt, vertical, sortable) {
-    var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+    var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
+    var sortableContentRect = getContentRect(sortable.el);
     var spacer = 10;
-    return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+    return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
   }
-
   function _ghostIsLast(evt, vertical, sortable) {
-    var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
+    var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
+    var sortableContentRect = getContentRect(sortable.el);
     var spacer = 10;
-    return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
+    return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
   }
-
   function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
     var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
-        targetLength = vertical ? targetRect.height : targetRect.width,
-        targetS1 = vertical ? targetRect.top : targetRect.left,
-        targetS2 = vertical ? targetRect.bottom : targetRect.right,
-        invert = false;
-
+      targetLength = vertical ? targetRect.height : targetRect.width,
+      targetS1 = vertical ? targetRect.top : targetRect.left,
+      targetS2 = vertical ? targetRect.bottom : targetRect.right,
+      invert = false;
     if (!invertSwap) {
       // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
       if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
@@ -2606,7 +2278,6 @@
           // past first invert threshold, do not restrict inverted threshold to dragEl shadow
           pastFirstInvertThresh = true;
         }
-
         if (!pastFirstInvertThresh) {
           // dragEl shadow (target move distance shadow)
           if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
@@ -2623,26 +2294,22 @@
         }
       }
     }
-
     invert = invert || invertSwap;
-
     if (invert) {
       // Invert of regular
       if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
         return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
       }
     }
-
     return 0;
   }
+
   /**
    * Gets the direction dragEl must be swapped relative to target in order to make it
    * seem that dragEl has been "inserted" into that element's position
    * @param  {HTMLElement} target       The target whose position dragEl is being inserted at
    * @return {Number}                   Direction dragEl must be swapped
    */
-
-
   function _getInsertDirection(target) {
     if (index(dragEl) < index(target)) {
       return 1;
@@ -2650,55 +2317,48 @@
       return -1;
     }
   }
+
   /**
    * Generate id
    * @param   {HTMLElement} el
    * @returns {String}
    * @private
    */
-
-
   function _generateId(el) {
     var str = el.tagName + el.className + el.src + el.href + el.textContent,
-        i = str.length,
-        sum = 0;
-
+      i = str.length,
+      sum = 0;
     while (i--) {
       sum += str.charCodeAt(i);
     }
-
     return sum.toString(36);
   }
-
   function _saveInputCheckedState(root) {
     savedInputChecked.length = 0;
     var inputs = root.getElementsByTagName('input');
     var idx = inputs.length;
-
     while (idx--) {
       var el = inputs[idx];
       el.checked && savedInputChecked.push(el);
     }
   }
-
   function _nextTick(fn) {
     return setTimeout(fn, 0);
   }
-
   function _cancelNextTick(id) {
     return clearTimeout(id);
-  } // Fixed #973:
-
+  }
 
+  // Fixed #973:
   if (documentExists) {
     on(document, 'touchmove', function (evt) {
       if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
         evt.preventDefault();
       }
     });
-  } // Export utils
-
+  }
 
+  // Export utils
   Sortable.utils = {
     on: on,
     off: off,
@@ -2718,59 +2378,54 @@
     detectDirection: _detectDirection,
     getChild: getChild
   };
+
   /**
    * Get the Sortable instance of an element
    * @param  {HTMLElement} element The element
    * @return {Sortable|undefined}         The instance of Sortable
    */
-
   Sortable.get = function (element) {
     return element[expando];
   };
+
   /**
    * Mount a plugin to Sortable
    * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
    */
-
-
   Sortable.mount = function () {
     for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
       plugins[_key] = arguments[_key];
     }
-
     if (plugins[0].constructor === Array) plugins = plugins[0];
     plugins.forEach(function (plugin) {
       if (!plugin.prototype || !plugin.prototype.constructor) {
         throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
       }
-
       if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
       PluginManager.mount(plugin);
     });
   };
+
   /**
    * Create sortable instance
    * @param {HTMLElement}  el
    * @param {Object}      [options]
    */
-
-
   Sortable.create = function (el, options) {
     return new Sortable(el, options);
-  }; // Export
-
+  };
 
+  // Export
   Sortable.version = version;
 
   var autoScrolls = [],
-      scrollEl,
-      scrollRootEl,
-      scrolling = false,
-      lastAutoScrollX,
-      lastAutoScrollY,
-      touchEvt$1,
-      pointerElemChangedInterval;
-
+    scrollEl,
+    scrollRootEl,
+    scrolling = false,
+    lastAutoScrollX,
+    lastAutoScrollY,
+    touchEvt$1,
+    pointerElemChangedInterval;
   function AutoScrollPlugin() {
     function AutoScroll() {
       this.defaults = {
@@ -2779,19 +2434,18 @@
         scrollSensitivity: 30,
         scrollSpeed: 10,
         bubbleScroll: true
-      }; // Bind all private methods
+      };
 
+      // Bind all private methods
       for (var fn in this) {
         if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
           this[fn] = this[fn].bind(this);
         }
       }
     }
-
     AutoScroll.prototype = {
       dragStarted: function dragStarted(_ref) {
         var originalEvent = _ref.originalEvent;
-
         if (this.sortable.nativeDraggable) {
           on(document, 'dragover', this._handleAutoScroll);
         } else {
@@ -2806,7 +2460,6 @@
       },
       dragOverCompleted: function dragOverCompleted(_ref2) {
         var originalEvent = _ref2.originalEvent;
-
         // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
         if (!this.options.dragOverBubble && !originalEvent.rootEl) {
           this._handleAutoScroll(originalEvent);
@@ -2820,7 +2473,6 @@
           off(document, 'touchmove', this._handleFallbackAutoScroll);
           off(document, 'mousemove', this._handleFallbackAutoScroll);
         }
-
         clearPointerElemChangedInterval();
         clearAutoScrolls();
         cancelThrottle();
@@ -2834,31 +2486,29 @@
       },
       _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
         var _this = this;
-
         var x = (evt.touches ? evt.touches[0] : evt).clientX,
-            y = (evt.touches ? evt.touches[0] : evt).clientY,
-            elem = document.elementFromPoint(x, y);
-        touchEvt$1 = evt; // IE does not seem to have native autoscroll,
+          y = (evt.touches ? evt.touches[0] : evt).clientY,
+          elem = document.elementFromPoint(x, y);
+        touchEvt$1 = evt;
+
+        // IE does not seem to have native autoscroll,
         // Edge's autoscroll seems too conditional,
         // MACOS Safari does not have autoscroll,
         // Firefox and Chrome are good
-
         if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
-          autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
+          autoScroll(evt, this.options, elem, fallback);
 
+          // Listener for pointer element change
           var ogElemScroller = getParentAutoScrollElement(elem, true);
-
           if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
-            pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour
-
+            pointerElemChangedInterval && clearPointerElemChangedInterval();
+            // Detect for pointer elem change, emulating native DnD behaviour
             pointerElemChangedInterval = setInterval(function () {
               var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);
-
               if (newElem !== ogElemScroller) {
                 ogElemScroller = newElem;
                 clearAutoScrolls();
               }
-
               autoScroll(evt, _this.options, newElem, fallback);
             }, 10);
             lastAutoScrollX = x;
@@ -2870,7 +2520,6 @@
             clearAutoScrolls();
             return;
           }
-
           autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
         }
       }
@@ -2880,60 +2529,54 @@
       initializeByDefault: true
     });
   }
-
   function clearAutoScrolls() {
     autoScrolls.forEach(function (autoScroll) {
       clearInterval(autoScroll.pid);
     });
     autoScrolls = [];
   }
-
   function clearPointerElemChangedInterval() {
     clearInterval(pointerElemChangedInterval);
   }
-
   var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
     // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
     if (!options.scroll) return;
     var x = (evt.touches ? evt.touches[0] : evt).clientX,
-        y = (evt.touches ? evt.touches[0] : evt).clientY,
-        sens = options.scrollSensitivity,
-        speed = options.scrollSpeed,
-        winScroller = getWindowScrollingElement();
+      y = (evt.touches ? evt.touches[0] : evt).clientY,
+      sens = options.scrollSensitivity,
+      speed = options.scrollSpeed,
+      winScroller = getWindowScrollingElement();
     var scrollThisInstance = false,
-        scrollCustomFn; // New scroll root, set scrollEl
+      scrollCustomFn;
 
+    // New scroll root, set scrollEl
     if (scrollRootEl !== rootEl) {
       scrollRootEl = rootEl;
       clearAutoScrolls();
       scrollEl = options.scroll;
       scrollCustomFn = options.scrollFn;
-
       if (scrollEl === true) {
         scrollEl = getParentAutoScrollElement(rootEl, true);
       }
     }
-
     var layersOut = 0;
     var currentParent = scrollEl;
-
     do {
       var el = currentParent,
-          rect = getRect(el),
-          top = rect.top,
-          bottom = rect.bottom,
-          left = rect.left,
-          right = rect.right,
-          width = rect.width,
-          height = rect.height,
-          canScrollX = void 0,
-          canScrollY = void 0,
-          scrollWidth = el.scrollWidth,
-          scrollHeight = el.scrollHeight,
-          elCSS = css(el),
-          scrollPosX = el.scrollLeft,
-          scrollPosY = el.scrollTop;
-
+        rect = getRect(el),
+        top = rect.top,
+        bottom = rect.bottom,
+        left = rect.left,
+        right = rect.right,
+        width = rect.width,
+        height = rect.height,
+        canScrollX = void 0,
+        canScrollY = void 0,
+        scrollWidth = el.scrollWidth,
+        scrollHeight = el.scrollHeight,
+        elCSS = css(el),
+        scrollPosX = el.scrollLeft,
+        scrollPosY = el.scrollTop;
       if (el === winScroller) {
         canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
         canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
@@ -2941,10 +2584,8 @@
         canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
         canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
       }
-
       var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
       var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
-
       if (!autoScrolls[layersOut]) {
         for (var i = 0; i <= layersOut; i++) {
           if (!autoScrolls[i]) {
@@ -2952,61 +2593,51 @@
           }
         }
       }
-
       if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
         autoScrolls[layersOut].el = el;
         autoScrolls[layersOut].vx = vx;
         autoScrolls[layersOut].vy = vy;
         clearInterval(autoScrolls[layersOut].pid);
-
         if (vx != 0 || vy != 0) {
           scrollThisInstance = true;
           /* jshint loopfunc:true */
-
           autoScrolls[layersOut].pid = setInterval(function () {
             // emulate drag over during autoscroll (fallback), emulating native DnD behaviour
             if (isFallback && this.layer === 0) {
               Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely
-
             }
-
             var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
             var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
-
             if (typeof scrollCustomFn === 'function') {
               if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
                 return;
               }
             }
-
             scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
           }.bind({
             layer: layersOut
           }), 24);
         }
       }
-
       layersOut++;
     } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));
-
     scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
   }, 30);
 
   var drop = function drop(_ref) {
     var originalEvent = _ref.originalEvent,
-        putSortable = _ref.putSortable,
-        dragEl = _ref.dragEl,
-        activeSortable = _ref.activeSortable,
-        dispatchSortableEvent = _ref.dispatchSortableEvent,
-        hideGhostForTarget = _ref.hideGhostForTarget,
-        unhideGhostForTarget = _ref.unhideGhostForTarget;
+      putSortable = _ref.putSortable,
+      dragEl = _ref.dragEl,
+      activeSortable = _ref.activeSortable,
+      dispatchSortableEvent = _ref.dispatchSortableEvent,
+      hideGhostForTarget = _ref.hideGhostForTarget,
+      unhideGhostForTarget = _ref.unhideGhostForTarget;
     if (!originalEvent) return;
     var toSortable = putSortable || activeSortable;
     hideGhostForTarget();
     var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
     var target = document.elementFromPoint(touch.clientX, touch.clientY);
     unhideGhostForTarget();
-
     if (toSortable && !toSortable.el.contains(target)) {
       dispatchSortableEvent('spill');
       this.onSpill({
@@ -3015,9 +2646,7 @@
       });
     }
   };
-
   function Revert() {}
-
   Revert.prototype = {
     startIndex: null,
     dragStart: function dragStart(_ref2) {
@@ -3026,40 +2655,32 @@
     },
     onSpill: function onSpill(_ref3) {
       var dragEl = _ref3.dragEl,
-          putSortable = _ref3.putSortable;
+        putSortable = _ref3.putSortable;
       this.sortable.captureAnimationState();
-
       if (putSortable) {
         putSortable.captureAnimationState();
       }
-
       var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
-
       if (nextSibling) {
         this.sortable.el.insertBefore(dragEl, nextSibling);
       } else {
         this.sortable.el.appendChild(dragEl);
       }
-
       this.sortable.animateAll();
-
       if (putSortable) {
         putSortable.animateAll();
       }
     },
     drop: drop
   };
-
   _extends(Revert, {
     pluginName: 'revertOnSpill'
   });
-
   function Remove() {}
-
   Remove.prototype = {
     onSpill: function onSpill(_ref4) {
       var dragEl = _ref4.dragEl,
-          putSortable = _ref4.putSortable;
+        putSortable = _ref4.putSortable;
       var parentSortable = putSortable || this.sortable;
       parentSortable.captureAnimationState();
       dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
@@ -3067,20 +2688,17 @@
     },
     drop: drop
   };
-
   _extends(Remove, {
     pluginName: 'removeOnSpill'
   });
 
   var lastSwapEl;
-
   function SwapPlugin() {
     function Swap() {
       this.defaults = {
         swapClass: 'sortable-swap-highlight'
       };
     }
-
     Swap.prototype = {
       dragStart: function dragStart(_ref) {
         var dragEl = _ref.dragEl;
@@ -3088,42 +2706,37 @@
       },
       dragOverValid: function dragOverValid(_ref2) {
         var completed = _ref2.completed,
-            target = _ref2.target,
-            onMove = _ref2.onMove,
-            activeSortable = _ref2.activeSortable,
-            changed = _ref2.changed,
-            cancel = _ref2.cancel;
+          target = _ref2.target,
+          onMove = _ref2.onMove,
+          activeSortable = _ref2.activeSortable,
+          changed = _ref2.changed,
+          cancel = _ref2.cancel;
         if (!activeSortable.options.swap) return;
         var el = this.sortable.el,
-            options = this.options;
-
+          options = this.options;
         if (target && target !== el) {
           var prevSwapEl = lastSwapEl;
-
           if (onMove(target) !== false) {
             toggleClass(target, options.swapClass, true);
             lastSwapEl = target;
           } else {
             lastSwapEl = null;
           }
-
           if (prevSwapEl && prevSwapEl !== lastSwapEl) {
             toggleClass(prevSwapEl, options.swapClass, false);
           }
         }
-
         changed();
         completed(true);
         cancel();
       },
       drop: function drop(_ref3) {
         var activeSortable = _ref3.activeSortable,
-            putSortable = _ref3.putSortable,
-            dragEl = _ref3.dragEl;
+          putSortable = _ref3.putSortable,
+          dragEl = _ref3.dragEl;
         var toSortable = putSortable || this.sortable;
         var options = this.options;
         lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
-
         if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
           if (dragEl !== lastSwapEl) {
             toSortable.captureAnimationState();
@@ -3147,38 +2760,34 @@
       }
     });
   }
-
   function swapNodes(n1, n2) {
     var p1 = n1.parentNode,
-        p2 = n2.parentNode,
-        i1,
-        i2;
+      p2 = n2.parentNode,
+      i1,
+      i2;
     if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
     i1 = index(n1);
     i2 = index(n2);
-
     if (p1.isEqualNode(p2) && i1 < i2) {
       i2++;
     }
-
     p1.insertBefore(n2, p1.children[i1]);
     p2.insertBefore(n1, p2.children[i2]);
   }
 
   var multiDragElements = [],
-      multiDragClones = [],
-      lastMultiDragSelect,
-      // for selection with modifier key down (SHIFT)
-  multiDragSortable,
-      initialFolding = false,
-      // Initial multi-drag fold when drag started
-  folding = false,
-      // Folding any other time
-  dragStarted = false,
-      dragEl$1,
-      clonesFromRect,
-      clonesHidden;
-
+    multiDragClones = [],
+    lastMultiDragSelect,
+    // for selection with modifier key down (SHIFT)
+    multiDragSortable,
+    initialFolding = false,
+    // Initial multi-drag fold when drag started
+    folding = false,
+    // Folding any other time
+    dragStarted = false,
+    dragEl$1,
+    clonesFromRect,
+    clonesHidden;
   function MultiDragPlugin() {
     function MultiDrag(sortable) {
       // Bind all private methods
@@ -3187,7 +2796,6 @@
           this[fn] = this[fn].bind(this);
         }
       }
-
       if (!sortable.options.avoidImplicitDeselect) {
         if (sortable.options.supportPointer) {
           on(document, 'pointerup', this._deselectMultiDrag);
@@ -3196,7 +2804,6 @@
           on(document, 'touchend', this._deselectMultiDrag);
         }
       }
-
       on(document, 'keydown', this._checkKeyDown);
       on(document, 'keyup', this._checkKeyUp);
       this.defaults = {
@@ -3205,7 +2812,6 @@
         avoidImplicitDeselect: false,
         setData: function setData(dataTransfer, dragEl) {
           var data = '';
-
           if (multiDragElements.length && multiDragSortable === sortable) {
             multiDragElements.forEach(function (multiDragElement, i) {
               data += (!i ? '' : ', ') + multiDragElement.textContent;
@@ -3213,12 +2819,10 @@
           } else {
             data = dragEl.textContent;
           }
-
           dataTransfer.setData('Text', data);
         }
       };
     }
-
     MultiDrag.prototype = {
       multiDragKeyDown: false,
       isMultiDrag: false,
@@ -3231,9 +2835,8 @@
       },
       setupClone: function setupClone(_ref2) {
         var sortable = _ref2.sortable,
-            cancel = _ref2.cancel;
+          cancel = _ref2.cancel;
         if (!this.isMultiDrag) return;
-
         for (var i = 0; i < multiDragElements.length; i++) {
           multiDragClones.push(clone(multiDragElements[i]));
           multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
@@ -3242,18 +2845,15 @@
           toggleClass(multiDragClones[i], this.options.selectedClass, false);
           multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
         }
-
         sortable._hideClone();
-
         cancel();
       },
       clone: function clone(_ref3) {
         var sortable = _ref3.sortable,
-            rootEl = _ref3.rootEl,
-            dispatchSortableEvent = _ref3.dispatchSortableEvent,
-            cancel = _ref3.cancel;
+          rootEl = _ref3.rootEl,
+          dispatchSortableEvent = _ref3.dispatchSortableEvent,
+          cancel = _ref3.cancel;
         if (!this.isMultiDrag) return;
-
         if (!this.options.removeCloneOnHide) {
           if (multiDragElements.length && multiDragSortable === sortable) {
             insertMultiDragClones(true, rootEl);
@@ -3264,8 +2864,8 @@
       },
       showClone: function showClone(_ref4) {
         var cloneNowShown = _ref4.cloneNowShown,
-            rootEl = _ref4.rootEl,
-            cancel = _ref4.cancel;
+          rootEl = _ref4.rootEl,
+          cancel = _ref4.cancel;
         if (!this.isMultiDrag) return;
         insertMultiDragClones(false, rootEl);
         multiDragClones.forEach(function (clone) {
@@ -3277,14 +2877,12 @@
       },
       hideClone: function hideClone(_ref5) {
         var _this = this;
-
         var sortable = _ref5.sortable,
-            cloneNowHidden = _ref5.cloneNowHidden,
-            cancel = _ref5.cancel;
+          cloneNowHidden = _ref5.cloneNowHidden,
+          cancel = _ref5.cancel;
         if (!this.isMultiDrag) return;
         multiDragClones.forEach(function (clone) {
           css(clone, 'display', 'none');
-
           if (_this.options.removeCloneOnHide && clone.parentNode) {
             clone.parentNode.removeChild(clone);
           }
@@ -3295,15 +2893,14 @@
       },
       dragStartGlobal: function dragStartGlobal(_ref6) {
         var sortable = _ref6.sortable;
-
         if (!this.isMultiDrag && multiDragSortable) {
           multiDragSortable.multiDrag._deselectMultiDrag();
         }
-
         multiDragElements.forEach(function (multiDragElement) {
           multiDragElement.sortableIndex = index(multiDragElement);
-        }); // Sort multi-drag elements
+        });
 
+        // Sort multi-drag elements
         multiDragElements = multiDragElements.sort(function (a, b) {
           return a.sortableIndex - b.sortableIndex;
         });
@@ -3311,10 +2908,8 @@
       },
       dragStarted: function dragStarted(_ref7) {
         var _this2 = this;
-
         var sortable = _ref7.sortable;
         if (!this.isMultiDrag) return;
-
         if (this.options.sort) {
           // Capture rects,
           // hide multi drag elements (by positioning them absolute),
@@ -3322,8 +2917,8 @@
           // show multi drag elements,
           // animate to rects,
           // unset rects & remove from DOM
-          sortable.captureAnimationState();
 
+          sortable.captureAnimationState();
           if (this.options.animation) {
             multiDragElements.forEach(function (multiDragElement) {
               if (multiDragElement === dragEl$1) return;
@@ -3338,18 +2933,16 @@
             initialFolding = true;
           }
         }
-
         sortable.animateAll(function () {
           folding = false;
           initialFolding = false;
-
           if (_this2.options.animation) {
             multiDragElements.forEach(function (multiDragElement) {
               unsetRect(multiDragElement);
             });
-          } // Remove all auxiliary multidrag items from el, if sorting enabled
-
+          }
 
+          // Remove all auxiliary multidrag items from el, if sorting enabled
           if (_this2.options.sort) {
             removeMultiDragElements();
           }
@@ -3357,9 +2950,8 @@
       },
       dragOver: function dragOver(_ref8) {
         var target = _ref8.target,
-            completed = _ref8.completed,
-            cancel = _ref8.cancel;
-
+          completed = _ref8.completed,
+          cancel = _ref8.cancel;
         if (folding && ~multiDragElements.indexOf(target)) {
           completed(false);
           cancel();
@@ -3367,10 +2959,9 @@
       },
       revert: function revert(_ref9) {
         var fromSortable = _ref9.fromSortable,
-            rootEl = _ref9.rootEl,
-            sortable = _ref9.sortable,
-            dragRect = _ref9.dragRect;
-
+          rootEl = _ref9.rootEl,
+          sortable = _ref9.sortable,
+          dragRect = _ref9.dragRect;
         if (multiDragElements.length > 1) {
           // Setup unfold animation
           multiDragElements.forEach(function (multiDragElement) {
@@ -3388,47 +2979,44 @@
       },
       dragOverCompleted: function dragOverCompleted(_ref10) {
         var sortable = _ref10.sortable,
-            isOwner = _ref10.isOwner,
-            insertion = _ref10.insertion,
-            activeSortable = _ref10.activeSortable,
-            parentEl = _ref10.parentEl,
-            putSortable = _ref10.putSortable;
+          isOwner = _ref10.isOwner,
+          insertion = _ref10.insertion,
+          activeSortable = _ref10.activeSortable,
+          parentEl = _ref10.parentEl,
+          putSortable = _ref10.putSortable;
         var options = this.options;
-
         if (insertion) {
           // Clones must be hidden before folding animation to capture dragRectAbsolute properly
           if (isOwner) {
             activeSortable._hideClone();
           }
-
-          initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location
-
+          initialFolding = false;
+          // If leaving sort:false root, or already folding - Fold to new location
           if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
             // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
             var dragRectAbsolute = getRect(dragEl$1, false, true, true);
             multiDragElements.forEach(function (multiDragElement) {
               if (multiDragElement === dragEl$1) return;
-              setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
-              // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
+              setRect(multiDragElement, dragRectAbsolute);
 
+              // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
+              // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
               parentEl.appendChild(multiDragElement);
             });
             folding = true;
-          } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
-
+          }
 
+          // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
           if (!isOwner) {
             // Only remove if not folding (folding will remove them anyways)
             if (!folding) {
               removeMultiDragElements();
             }
-
             if (multiDragElements.length > 1) {
               var clonesHiddenBefore = clonesHidden;
+              activeSortable._showClone(sortable);
 
-              activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden
-
-
+              // Unfold animation for clones if showing from hidden
               if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
                 multiDragClones.forEach(function (clone) {
                   activeSortable.addAnimationState({
@@ -3447,12 +3035,11 @@
       },
       dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
         var dragRect = _ref11.dragRect,
-            isOwner = _ref11.isOwner,
-            activeSortable = _ref11.activeSortable;
+          isOwner = _ref11.isOwner,
+          activeSortable = _ref11.activeSortable;
         multiDragElements.forEach(function (multiDragElement) {
           multiDragElement.thisAnimationDuration = null;
         });
-
         if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
           clonesFromRect = _extends({}, dragRect);
           var dragMatrix = matrix(dragEl$1, true);
@@ -3468,24 +3055,23 @@
       },
       drop: function drop(_ref12) {
         var evt = _ref12.originalEvent,
-            rootEl = _ref12.rootEl,
-            parentEl = _ref12.parentEl,
-            sortable = _ref12.sortable,
-            dispatchSortableEvent = _ref12.dispatchSortableEvent,
-            oldIndex = _ref12.oldIndex,
-            putSortable = _ref12.putSortable;
+          rootEl = _ref12.rootEl,
+          parentEl = _ref12.parentEl,
+          sortable = _ref12.sortable,
+          dispatchSortableEvent = _ref12.dispatchSortableEvent,
+          oldIndex = _ref12.oldIndex,
+          putSortable = _ref12.putSortable;
         var toSortable = putSortable || this.sortable;
         if (!evt) return;
         var options = this.options,
-            children = parentEl.children; // Multi-drag selection
+          children = parentEl.children;
 
+        // Multi-drag selection
         if (!dragStarted) {
           if (options.multiDragKey && !this.multiDragKeyDown) {
             this._deselectMultiDrag();
           }
-
           toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));
-
           if (!~multiDragElements.indexOf(dragEl$1)) {
             multiDragElements.push(dragEl$1);
             dispatchEvent({
@@ -3494,17 +3080,16 @@
               name: 'select',
               targetEl: dragEl$1,
               originalEvent: evt
-            }); // Modifier activated, select from last to dragEl
+            });
 
+            // Modifier activated, select from last to dragEl
             if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
               var lastIndex = index(lastMultiDragSelect),
-                  currentIndex = index(dragEl$1);
-
+                currentIndex = index(dragEl$1);
               if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
                 // Must include lastMultiDragSelect (select it), in case modified selection from no selection
                 // (but previous selection existed)
                 var n, i;
-
                 if (currentIndex > lastIndex) {
                   i = lastIndex;
                   n = currentIndex;
@@ -3512,7 +3097,6 @@
                   i = currentIndex;
                   n = lastIndex + 1;
                 }
-
                 for (; i < n; i++) {
                   if (~multiDragElements.indexOf(children[i])) continue;
                   toggleClass(children[i], options.selectedClass, true);
@@ -3529,7 +3113,6 @@
             } else {
               lastMultiDragSelect = dragEl$1;
             }
-
             multiDragSortable = toSortable;
           } else {
             multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
@@ -3542,38 +3125,37 @@
               originalEvent: evt
             });
           }
-        } // Multi-drag drop
-
+        }
 
+        // Multi-drag drop
         if (dragStarted && this.isMultiDrag) {
-          folding = false; // Do not "unfold" after around dragEl if reverted
-
+          folding = false;
+          // Do not "unfold" after around dragEl if reverted
           if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
             var dragRect = getRect(dragEl$1),
-                multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
+              multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
             if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
             toSortable.captureAnimationState();
-
             if (!initialFolding) {
               if (options.animation) {
                 dragEl$1.fromRect = dragRect;
                 multiDragElements.forEach(function (multiDragElement) {
                   multiDragElement.thisAnimationDuration = null;
-
                   if (multiDragElement !== dragEl$1) {
                     var rect = folding ? getRect(multiDragElement) : dragRect;
-                    multiDragElement.fromRect = rect; // Prepare unfold animation
+                    multiDragElement.fromRect = rect;
 
+                    // Prepare unfold animation
                     toSortable.addAnimationState({
                       target: multiDragElement,
                       rect: rect
                     });
                   }
                 });
-              } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
-              // properly they must all be removed
-
+              }
 
+              // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
+              // properly they must all be removed
               removeMultiDragElements();
               multiDragElements.forEach(function (multiDragElement) {
                 if (children[multiDragIndex]) {
@@ -3581,12 +3163,12 @@
                 } else {
                   parentEl.appendChild(multiDragElement);
                 }
-
                 multiDragIndex++;
-              }); // If initial folding is done, the elements may have changed position because they are now
+              });
+
+              // If initial folding is done, the elements may have changed position because they are now
               // unfolding around dragEl, even though dragEl may not have his index changed, so update event
               // must be fired here as Sortable will not.
-
               if (oldIndex === index(dragEl$1)) {
                 var update = false;
                 multiDragElements.forEach(function (multiDragElement) {
@@ -3595,24 +3177,23 @@
                     return;
                   }
                 });
-
                 if (update) {
                   dispatchSortableEvent('update');
+                  dispatchSortableEvent('sort');
                 }
               }
-            } // Must be done after capturing individual rects (scroll bar)
-
+            }
 
+            // Must be done after capturing individual rects (scroll bar)
             multiDragElements.forEach(function (multiDragElement) {
               unsetRect(multiDragElement);
             });
             toSortable.animateAll();
           }
-
           multiDragSortable = toSortable;
-        } // Remove clones if necessary
-
+        }
 
+        // Remove clones if necessary
         if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
           multiDragClones.forEach(function (clone) {
             clone.parentNode && clone.parentNode.removeChild(clone);
@@ -3625,7 +3206,6 @@
       },
       destroyGlobal: function destroyGlobal() {
         this._deselectMultiDrag();
-
         off(document, 'pointerup', this._deselectMultiDrag);
         off(document, 'mouseup', this._deselectMultiDrag);
         off(document, 'touchend', this._deselectMultiDrag);
@@ -3633,14 +3213,16 @@
         off(document, 'keyup', this._checkKeyUp);
       },
       _deselectMultiDrag: function _deselectMultiDrag(evt) {
-        if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
+        if (typeof dragStarted !== "undefined" && dragStarted) return;
 
-        if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
+        // Only deselect if selection is in this sortable
+        if (multiDragSortable !== this.sortable) return;
 
-        if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+        // Only deselect if target is not item in this sortable
+        if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return;
 
+        // Only deselect if left click
         if (evt && evt.button !== 0) return;
-
         while (multiDragElements.length) {
           var el = multiDragElements[0];
           toggleClass(el, this.options.selectedClass, false);
@@ -3676,24 +3258,20 @@
         select: function select(el) {
           var sortable = el.parentNode[expando];
           if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;
-
           if (multiDragSortable && multiDragSortable !== sortable) {
             multiDragSortable.multiDrag._deselectMultiDrag();
-
             multiDragSortable = sortable;
           }
-
           toggleClass(el, sortable.options.selectedClass, true);
           multiDragElements.push(el);
         },
-
         /**
          * Deselects the provided multi-drag item
          * @param  {HTMLElement} el    The element to be deselected
          */
         deselect: function deselect(el) {
           var sortable = el.parentNode[expando],
-              index = multiDragElements.indexOf(el);
+            index = multiDragElements.indexOf(el);
           if (!sortable || !sortable.options.multiDrag || !~index) return;
           toggleClass(el, sortable.options.selectedClass, false);
           multiDragElements.splice(index, 1);
@@ -3701,17 +3279,16 @@
       },
       eventProperties: function eventProperties() {
         var _this3 = this;
-
         var oldIndicies = [],
-            newIndicies = [];
+          newIndicies = [];
         multiDragElements.forEach(function (multiDragElement) {
           oldIndicies.push({
             multiDragElement: multiDragElement,
             index: multiDragElement.sortableIndex
-          }); // multiDragElements will already be sorted if folding
+          });
 
+          // multiDragElements will already be sorted if folding
           var newIndex;
-
           if (folding && multiDragElement !== dragEl$1) {
             newIndex = -1;
           } else if (folding) {
@@ -3719,7 +3296,6 @@
           } else {
             newIndex = index(multiDragElement);
           }
-
           newIndicies.push({
             multiDragElement: multiDragElement,
             index: newIndex
@@ -3735,23 +3311,19 @@
       optionListeners: {
         multiDragKey: function multiDragKey(key) {
           key = key.toLowerCase();
-
           if (key === 'ctrl') {
             key = 'Control';
           } else if (key.length > 1) {
             key = key.charAt(0).toUpperCase() + key.substr(1);
           }
-
           return key;
         }
       }
     });
   }
-
   function insertMultiDragElements(clonesInserted, rootEl) {
     multiDragElements.forEach(function (multiDragElement, i) {
       var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
-
       if (target) {
         rootEl.insertBefore(multiDragElement, target);
       } else {
@@ -3759,17 +3331,15 @@
       }
     });
   }
+
   /**
    * Insert multi-drag clones
    * @param  {[Boolean]} elementsInserted  Whether the multi-drag elements are inserted
    * @param  {HTMLElement} rootEl
    */
-
-
   function insertMultiDragClones(elementsInserted, rootEl) {
     multiDragClones.forEach(function (clone, i) {
       var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
-
       if (target) {
         rootEl.insertBefore(clone, target);
       } else {
@@ -3777,7 +3347,6 @@
       }
     });
   }
-
   function removeMultiDragElements() {
     multiDragElements.forEach(function (multiDragElement) {
       if (multiDragElement === dragEl$1) return;
diff --git a/Sortable.min.js b/Sortable.min.js
index 17bb16c73..1a9f19982 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
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t=this.el.ownerDocument;p(t,"mouseup",this._onDrop),p(t,"touchend",this._onDrop),p(t,"pointerup",this._onDrop),p(t,"touchcancel",this._onDrop),p(document,"selectstart",this)},_onDrop:function(t){var 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t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=K.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&kt(n)},destroy:function(){G("destroy",this);var t=this.el;t[W]=null,p(t,"mousedown",this._onTapStart),p(t,"touchstart",this._onTapStart),p(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(p(t,"dragover",this),p(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),this._disableDelayedDragEvents(),Dt.splice(Dt.indexOf(this.el),1),this.el=t=null},_hideClone:function(){nt||(G("hideClone",this),Ft.eventCanceled||(R(et,"display","none"),this.options.removeCloneOnHide&&et.parentNode&&et.parentNode.removeChild(et),nt=!0))},_showClone:function(t){"clone"===t.lastPutMode?nt&&(G("showClone",this),Ft.eventCanceled||(V.parentNode!=Q||this.options.group.revertClone?J?Q.insertBefore(et,J):Q.appendChild(et):Q.insertBefore(et,V),this.options.group.revertClone&&this.animate(V,et),R(et,"display",""),nt=!1)):this._hideClone()}},Ot&&h(document,"touchmove",function(t){(Ft.active||wt)&&t.cancelable&&t.preventDefault()}),Ft.utils={on:h,off:p,css:R,find:b,is:function(t,e){return!!P(t,e,t,!1)},extend:function(t,e){if(t&&e)for(var 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e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=F(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:c},a(oe,{pluginName:"revertOnSpill"}),ie.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:c},a(ie,{pluginName:"removeOnSpill"});var re,ae,le,se,ce,ue=[],de=[],he=!1,pe=!1,fe=!1;function ge(n,o){de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function me(){ue.forEach(function(t){t!==le&&t.parentNode&&t.parentNode.removeChild(t)})}return Ft.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof 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e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ee&&k(ee,l.swapClass,!1),ee&&(l.swap||i&&i.options.swap)&&r!==ee&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ee,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=H(e),r=H(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ee=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ee}}})}),Ft.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";ue.length&&ae===o?ue.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;le=t},delayEnded:function(){this.isMultiDrag=~ue.indexOf(le)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<ue.length;n++)de.push(_(ue[n])),de[n].sortableIndex=ue[n].sortableIndex,de[n].draggable=!1,de[n].style["will-change"]="",k(de[n],this.options.selectedClass,!1),ue[n]===le&&k(de[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||ue.length&&ae===e&&(ge(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(ge(!1,n),de.forEach(function(t){R(t,"display","")}),e(),ce=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(de.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ce=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ae&&ae.multiDrag._deselectMultiDrag(),ue.forEach(function(t){t.sortableIndex=H(t)}),ue=ue.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),fe=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(ue.forEach(function(t){t!==le&&R(t,"position","absolute")}),e=X(le,!1,!0,!0),ue.forEach(function(t){t!==le&&C(t,e)}),he=pe=!0)),t.animateAll(function(){he=pe=!1,n.options.animation&&ue.forEach(function(t){T(t)}),n.options.sort&&me()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;pe&&~ue.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<ue.length&&(ue.forEach(function(t){r.addAnimationState({target:t,rect:pe?X(t):a}),T(t),t.fromRect=a,e.removeAnimationState(t)}),pe=!1,n=!this.options.removeCloneOnHide,o=i,ue.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),he=!1,t.animation&&1<ue.length&&(pe||!o&&!r.options.sort&&!l)&&(e=X(le,!1,!0,!0),ue.forEach(function(t){t!==le&&(C(t,e),a.appendChild(t))}),pe=!0),o||(pe||me(),1<ue.length?(o=ce,r._showClone(n),r.options.animation&&!ce&&o&&de.forEach(function(t){r.addAnimationState({target:t,rect:se}),t.fromRect=se,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;ue.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(se=a({},e),e=v(le,!0),se.top-=e.f,se.left-=e.e)},dragOverAnimationComplete:function(){pe&&(pe=!1,me())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,p=o.children;if(!fe)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(le,h.selectedClass,!~ue.indexOf(le)),~ue.indexOf(le))ue.splice(ue.indexOf(le),1),re=null,z({sortable:i,rootEl:n,name:"deselect",targetEl:le,originalEvent:e});else{if(ue.push(le),z({sortable:i,rootEl:n,name:"select",targetEl:le,originalEvent:e}),e.shiftKey&&re&&i.el.contains(re)){var f=H(re),t=H(le);if(~f&&~t&&f!==t)for(var g,m=f<t?(g=f,t):(g=t,f+1);g<m;g++)~ue.indexOf(p[g])||(k(p[g],h.selectedClass,!0),ue.push(p[g]),z({sortable:i,rootEl:n,name:"select",targetEl:p[g],originalEvent:e}))}else re=le;ae=s}fe&&this.isMultiDrag&&(pe=!1,(o[W].options.sort||o!==n)&&1<ue.length&&(c=X(le),u=H(le,":not(."+this.options.selectedClass+")"),!he&&h.animation&&(le.thisAnimationDuration=null),s.captureAnimationState(),he||(h.animation&&(le.fromRect=c,ue.forEach(function(t){var e;t.thisAnimationDuration=null,t!==le&&(e=pe?X(t):c,t.fromRect=e,s.addAnimationState({target:t,rect:e}))})),me(),ue.forEach(function(t){p[u]?o.insertBefore(t,p[u]):o.appendChild(t),u++}),a===H(le)&&(d=!1,ue.forEach(function(t){t.sortableIndex!==H(t)&&(d=!0)}),d&&(r("update"),r("sort")))),ue.forEach(function(t){T(t)}),s.animateAll()),ae=s),(n===o||l&&"clone"!==l.lastPutMode)&&de.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=fe=!1,de.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==fe&&fe||ae!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;ue.length;){var e=ue[0];k(e,this.options.selectedClass,!1),ue.shift(),z({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[W];e&&e.options.multiDrag&&!~ue.indexOf(t)&&(ae&&ae!==e&&(ae.multiDrag._deselectMultiDrag(),ae=e),k(t,e.options.selectedClass,!0),ue.push(t))},deselect:function(t){var e=t.parentNode[W],n=ue.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),ue.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return ue.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=pe&&t!==le?-1:pe?H(t,":not(."+n.options.selectedClass+")"):H(t),i.push({multiDragElement:t,index:e})}),{items:r(ue),clones:[].concat(de),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Ft});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 02e9f2d6b..ca3c55f00 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,31 +1,25 @@
 /**!
- * Sortable 1.15.0
+ * Sortable 1.15.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
 function ownKeys(object, enumerableOnly) {
   var keys = Object.keys(object);
-
   if (Object.getOwnPropertySymbols) {
     var symbols = Object.getOwnPropertySymbols(object);
-
     if (enumerableOnly) {
       symbols = symbols.filter(function (sym) {
         return Object.getOwnPropertyDescriptor(object, sym).enumerable;
       });
     }
-
     keys.push.apply(keys, symbols);
   }
-
   return keys;
 }
-
 function _objectSpread2(target) {
   for (var i = 1; i < arguments.length; i++) {
     var source = arguments[i] != null ? arguments[i] : {};
-
     if (i % 2) {
       ownKeys(Object(source), true).forEach(function (key) {
         _defineProperty(target, key, source[key]);
@@ -38,10 +32,8 @@ function _objectSpread2(target) {
       });
     }
   }
-
   return target;
 }
-
 function _typeof(obj) {
   "@babel/helpers - typeof";
 
@@ -54,10 +46,8 @@ function _typeof(obj) {
       return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
     };
   }
-
   return _typeof(obj);
 }
-
 function _defineProperty(obj, key, value) {
   if (key in obj) {
     Object.defineProperty(obj, key, {
@@ -69,53 +59,40 @@ function _defineProperty(obj, key, value) {
   } else {
     obj[key] = value;
   }
-
   return obj;
 }
-
 function _extends() {
   _extends = Object.assign || function (target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i];
-
       for (var key in source) {
         if (Object.prototype.hasOwnProperty.call(source, key)) {
           target[key] = source[key];
         }
       }
     }
-
     return target;
   };
-
   return _extends.apply(this, arguments);
 }
-
 function _objectWithoutPropertiesLoose(source, excluded) {
   if (source == null) return {};
   var target = {};
   var sourceKeys = Object.keys(source);
   var key, i;
-
   for (i = 0; i < sourceKeys.length; i++) {
     key = sourceKeys[i];
     if (excluded.indexOf(key) >= 0) continue;
     target[key] = source[key];
   }
-
   return target;
 }
-
 function _objectWithoutProperties(source, excluded) {
   if (source == null) return {};
-
   var target = _objectWithoutPropertiesLoose(source, excluded);
-
   var key, i;
-
   if (Object.getOwnPropertySymbols) {
     var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-
     for (i = 0; i < sourceSymbolKeys.length; i++) {
       key = sourceSymbolKeys[i];
       if (excluded.indexOf(key) >= 0) continue;
@@ -123,22 +100,17 @@ function _objectWithoutProperties(source, excluded) {
       target[key] = source[key];
     }
   }
-
   return target;
 }
-
 function _toConsumableArray(arr) {
   return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
 }
-
 function _arrayWithoutHoles(arr) {
   if (Array.isArray(arr)) return _arrayLikeToArray(arr);
 }
-
 function _iterableToArray(iter) {
   if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
 }
-
 function _unsupportedIterableToArray(o, minLen) {
   if (!o) return;
   if (typeof o === "string") return _arrayLikeToArray(o, minLen);
@@ -147,27 +119,22 @@ function _unsupportedIterableToArray(o, minLen) {
   if (n === "Map" || n === "Set") return Array.from(o);
   if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
 }
-
 function _arrayLikeToArray(arr, len) {
   if (len == null || len > arr.length) len = arr.length;
-
   for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-
   return arr2;
 }
-
 function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.0";
+var version = "1.15.1";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
     return !! /*@__PURE__*/navigator.userAgent.match(pattern);
   }
 }
-
 var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
 var Edge = userAgent(/Edge/i);
 var FireFox = userAgent(/firefox/i);
@@ -179,23 +146,15 @@ var captureMode = {
   capture: false,
   passive: false
 };
-
 function on(el, event, fn) {
   el.addEventListener(event, fn, !IE11OrLess && captureMode);
 }
-
 function off(el, event, fn) {
   el.removeEventListener(event, fn, !IE11OrLess && captureMode);
 }
-
-function matches(
-/**HTMLElement*/
-el,
-/**String*/
-selector) {
+function matches( /**HTMLElement*/el, /**String*/selector) {
   if (!selector) return;
   selector[0] === '>' && (selector = selector.substring(1));
-
   if (el) {
     try {
       if (el.matches) {
@@ -209,39 +168,25 @@ selector) {
       return false;
     }
   }
-
   return false;
 }
-
 function getParentOrHost(el) {
   return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
 }
-
-function closest(
-/**HTMLElement*/
-el,
-/**String*/
-selector,
-/**HTMLElement*/
-ctx, includeCTX) {
+function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
   if (el) {
     ctx = ctx || document;
-
     do {
       if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
         return el;
       }
-
       if (el === ctx) break;
       /* jshint boss:true */
     } while (el = getParentOrHost(el));
   }
-
   return null;
 }
-
 var R_SPACE = /\s+/g;
-
 function toggleClass(el, name, state) {
   if (el && name) {
     if (el.classList) {
@@ -252,10 +197,8 @@ function toggleClass(el, name, state) {
     }
   }
 }
-
 function css(el, prop, val) {
   var style = el && el.style;
-
   if (style) {
     if (val === void 0) {
       if (document.defaultView && document.defaultView.getComputedStyle) {
@@ -263,68 +206,55 @@ function css(el, prop, val) {
       } else if (el.currentStyle) {
         val = el.currentStyle;
       }
-
       return prop === void 0 ? val : val[prop];
     } else {
       if (!(prop in style) && prop.indexOf('webkit') === -1) {
         prop = '-webkit-' + prop;
       }
-
       style[prop] = val + (typeof val === 'string' ? '' : 'px');
     }
   }
 }
-
 function matrix(el, selfOnly) {
   var appliedTransforms = '';
-
   if (typeof el === 'string') {
     appliedTransforms = el;
   } else {
     do {
       var transform = css(el, 'transform');
-
       if (transform && transform !== 'none') {
         appliedTransforms = transform + ' ' + appliedTransforms;
       }
       /* jshint boss:true */
-
     } while (!selfOnly && (el = el.parentNode));
   }
-
   var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
   /*jshint -W056 */
-
   return matrixFn && new matrixFn(appliedTransforms);
 }
-
 function find(ctx, tagName, iterator) {
   if (ctx) {
     var list = ctx.getElementsByTagName(tagName),
-        i = 0,
-        n = list.length;
-
+      i = 0,
+      n = list.length;
     if (iterator) {
       for (; i < n; i++) {
         iterator(list[i], i);
       }
     }
-
     return list;
   }
-
   return [];
 }
-
 function getWindowScrollingElement() {
   var scrollingElement = document.scrollingElement;
-
   if (scrollingElement) {
     return scrollingElement;
   } else {
     return document.documentElement;
   }
 }
+
 /**
  * Returns the "bounding client rect" of given element
  * @param  {HTMLElement} el                       The element whose boundingClientRect is wanted
@@ -334,12 +264,9 @@ function getWindowScrollingElement() {
  * @param  {[HTMLElement]} container              The parent the element will be placed in
  * @return {Object}                               The boundingClientRect of el, with specified adjustments
  */
-
-
 function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
   if (!el.getBoundingClientRect && el !== window) return;
   var elRect, top, left, bottom, right, height, width;
-
   if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
     elRect = el.getBoundingClientRect();
     top = elRect.top;
@@ -356,17 +283,18 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
     height = window.innerHeight;
     width = window.innerWidth;
   }
-
   if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
     // Adjust for translate()
-    container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
-    // Not needed on <= IE11
+    container = container || el.parentNode;
 
+    // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
+    // Not needed on <= IE11
     if (!IE11OrLess) {
       do {
         if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
-          var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container
+          var containerRect = container.getBoundingClientRect();
 
+          // Set relative to edges of padding box of container
           top -= containerRect.top + parseInt(css(container, 'border-top-width'));
           left -= containerRect.left + parseInt(css(container, 'border-left-width'));
           bottom = top + elRect.height;
@@ -374,17 +302,14 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
           break;
         }
         /* jshint boss:true */
-
       } while (container = container.parentNode);
     }
   }
-
   if (undoScale && el !== window) {
     // Adjust for scale()
     var elMatrix = matrix(container || el),
-        scaleX = elMatrix && elMatrix.a,
-        scaleY = elMatrix && elMatrix.d;
-
+      scaleX = elMatrix && elMatrix.a,
+      scaleY = elMatrix && elMatrix.d;
     if (elMatrix) {
       top /= scaleY;
       left /= scaleX;
@@ -394,7 +319,6 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
       right = left + width;
     }
   }
-
   return {
     top: top,
     left: left,
@@ -404,6 +328,27 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
     height: height
   };
 }
+
+/**
+ * Returns the content rect of the element (bounding rect minus border and padding)
+ * @param {HTMLElement} el 
+ */
+function getContentRect(el) {
+  var rect = getRect(el);
+  var paddingLeft = parseInt(css(el, 'padding-left')),
+    paddingTop = parseInt(css(el, 'padding-top')),
+    paddingRight = parseInt(css(el, 'padding-right')),
+    paddingBottom = parseInt(css(el, 'padding-bottom'));
+  rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
+  rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
+  // Client Width/Height includes padding only
+  rect.width = el.clientWidth - paddingLeft - paddingRight;
+  rect.height = el.clientHeight - paddingTop - paddingBottom;
+  rect.bottom = rect.top + rect.height;
+  rect.right = rect.left + rect.width;
+  return rect;
+}
+
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -411,30 +356,26 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
  * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
  * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
  */
-
-
 function isScrolledPast(el, elSide, parentSide) {
   var parent = getParentAutoScrollElement(el, true),
-      elSideVal = getRect(el)[elSide];
-  /* jshint boss:true */
+    elSideVal = getRect(el)[elSide];
 
+  /* jshint boss:true */
   while (parent) {
     var parentSideVal = getRect(parent)[parentSide],
-        visible = void 0;
-
+      visible = void 0;
     if (parentSide === 'top' || parentSide === 'left') {
       visible = elSideVal >= parentSideVal;
     } else {
       visible = elSideVal <= parentSideVal;
     }
-
     if (!visible) return parent;
     if (parent === getWindowScrollingElement()) break;
     parent = getParentAutoScrollElement(parent, false);
   }
-
   return false;
 }
+
 /**
  * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
  * and non-draggable elements
@@ -443,44 +384,36 @@ function isScrolledPast(el, elSide, parentSide) {
  * @param  {Object} options       Parent Sortable's options
  * @return {HTMLElement}          The child at index childNum, or null if not found
  */
-
-
 function getChild(el, childNum, options, includeDragEl) {
   var currentChild = 0,
-      i = 0,
-      children = el.children;
-
+    i = 0,
+    children = el.children;
   while (i < children.length) {
     if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
       if (currentChild === childNum) {
         return children[i];
       }
-
       currentChild++;
     }
-
     i++;
   }
-
   return null;
 }
+
 /**
  * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
  * @param  {HTMLElement} el       Parent element
  * @param  {selector} selector    Any other elements that should be ignored
  * @return {HTMLElement}          The last child, ignoring ghostEl
  */
-
-
 function lastChild(el, selector) {
   var last = el.lastElementChild;
-
   while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
     last = last.previousElementSibling;
   }
-
   return last || null;
 }
+
 /**
  * Returns the index of an element within its parent for a selected set of
  * elements
@@ -488,81 +421,67 @@ function lastChild(el, selector) {
  * @param  {selector} selector
  * @return {number}
  */
-
-
 function index(el, selector) {
   var index = 0;
-
   if (!el || !el.parentNode) {
     return -1;
   }
-  /* jshint boss:true */
-
 
+  /* jshint boss:true */
   while (el = el.previousElementSibling) {
     if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
       index++;
     }
   }
-
   return index;
 }
+
 /**
  * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
  * The value is returned in real pixels.
  * @param  {HTMLElement} el
  * @return {Array}             Offsets in the format of [left, top]
  */
-
-
 function getRelativeScrollOffset(el) {
   var offsetLeft = 0,
-      offsetTop = 0,
-      winScroller = getWindowScrollingElement();
-
+    offsetTop = 0,
+    winScroller = getWindowScrollingElement();
   if (el) {
     do {
       var elMatrix = matrix(el),
-          scaleX = elMatrix.a,
-          scaleY = elMatrix.d;
+        scaleX = elMatrix.a,
+        scaleY = elMatrix.d;
       offsetLeft += el.scrollLeft * scaleX;
       offsetTop += el.scrollTop * scaleY;
     } while (el !== winScroller && (el = el.parentNode));
   }
-
   return [offsetLeft, offsetTop];
 }
+
 /**
  * Returns the index of the object within the given array
  * @param  {Array} arr   Array that may or may not hold the object
  * @param  {Object} obj  An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
  * @return {Number}      The index of the object in the array, or -1
  */
-
-
 function indexOfObject(arr, obj) {
   for (var i in arr) {
     if (!arr.hasOwnProperty(i)) continue;
-
     for (var key in obj) {
       if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
     }
   }
-
   return -1;
 }
-
 function getParentAutoScrollElement(el, includeSelf) {
   // skip to window
   if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
   var elem = el;
   var gotSelf = false;
-
   do {
     // we don't need to get elem css if it isn't even overflowing in the first place (performance)
     if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
       var elemCSS = css(elem);
-
       if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
         if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
         if (gotSelf || includeSelf) return elem;
@@ -570,12 +489,9 @@ function getParentAutoScrollElement(el, includeSelf) {
       }
     }
     /* jshint boss:true */
-
   } while (elem = elem.parentNode);
-
   return getWindowScrollingElement();
 }
-
 function extend(dst, src) {
   if (dst && src) {
     for (var key in src) {
@@ -584,49 +500,39 @@ function extend(dst, src) {
       }
     }
   }
-
   return dst;
 }
-
 function isRectEqual(rect1, rect2) {
   return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
 }
-
 var _throttleTimeout;
-
 function throttle(callback, ms) {
   return function () {
     if (!_throttleTimeout) {
       var args = arguments,
-          _this = this;
-
+        _this = this;
       if (args.length === 1) {
         callback.call(_this, args[0]);
       } else {
         callback.apply(_this, args);
       }
-
       _throttleTimeout = setTimeout(function () {
         _throttleTimeout = void 0;
       }, ms);
     }
   };
 }
-
 function cancelThrottle() {
   clearTimeout(_throttleTimeout);
   _throttleTimeout = void 0;
 }
-
 function scrollBy(el, x, y) {
   el.scrollLeft += x;
   el.scrollTop += y;
 }
-
 function clone(el) {
   var Polymer = window.Polymer;
   var $ = window.jQuery || window.Zepto;
-
   if (Polymer && Polymer.dom) {
     return Polymer.dom(el).cloneNode(true);
   } else if ($) {
@@ -635,7 +541,6 @@ function clone(el) {
     return el.cloneNode(true);
   }
 }
-
 function setRect(el, rect) {
   css(el, 'position', 'absolute');
   css(el, 'top', rect.top);
@@ -643,7 +548,6 @@ function setRect(el, rect) {
   css(el, 'width', rect.width);
   css(el, 'height', rect.height);
 }
-
 function unsetRect(el) {
   css(el, 'position', '');
   css(el, 'top', '');
@@ -651,12 +555,11 @@ function unsetRect(el) {
   css(el, 'width', '');
   css(el, 'height', '');
 }
-
 var expando = 'Sortable' + new Date().getTime();
 
 function AnimationStateManager() {
   var animationStates = [],
-      animationCallbackId;
+    animationCallbackId;
   return {
     captureAnimationState: function captureAnimationState() {
       animationStates = [];
@@ -668,19 +571,16 @@ function AnimationStateManager() {
           target: child,
           rect: getRect(child)
         });
+        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect);
 
-        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
-
-
+        // If animating: compensate for current animation
         if (child.thisAnimationDuration) {
           var childMatrix = matrix(child, true);
-
           if (childMatrix) {
             fromRect.top -= childMatrix.f;
             fromRect.left -= childMatrix.e;
           }
         }
-
         child.fromRect = fromRect;
       });
     },
@@ -694,54 +594,47 @@ function AnimationStateManager() {
     },
     animateAll: function animateAll(callback) {
       var _this = this;
-
       if (!this.options.animation) {
         clearTimeout(animationCallbackId);
         if (typeof callback === 'function') callback();
         return;
       }
-
       var animating = false,
-          animationTime = 0;
+        animationTime = 0;
       animationStates.forEach(function (state) {
         var time = 0,
-            target = state.target,
-            fromRect = target.fromRect,
-            toRect = getRect(target),
-            prevFromRect = target.prevFromRect,
-            prevToRect = target.prevToRect,
-            animatingRect = state.rect,
-            targetMatrix = matrix(target, true);
-
+          target = state.target,
+          fromRect = target.fromRect,
+          toRect = getRect(target),
+          prevFromRect = target.prevFromRect,
+          prevToRect = target.prevToRect,
+          animatingRect = state.rect,
+          targetMatrix = matrix(target, true);
         if (targetMatrix) {
           // Compensate for current animation
           toRect.top -= targetMatrix.f;
           toRect.left -= targetMatrix.e;
         }
-
         target.toRect = toRect;
-
         if (target.thisAnimationDuration) {
           // Could also check if animatingRect is between fromRect and toRect
-          if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
+          if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) &&
+          // Make sure animatingRect is on line between toRect & fromRect
           (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
             // If returning to same place as started from animation and on same axis
             time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
           }
-        } // if fromRect != toRect: animate
-
+        }
 
+        // if fromRect != toRect: animate
         if (!isRectEqual(toRect, fromRect)) {
           target.prevFromRect = fromRect;
           target.prevToRect = toRect;
-
           if (!time) {
             time = _this.options.animation;
           }
-
           _this.animate(target, animatingRect, toRect, time);
         }
-
         if (time) {
           animating = true;
           animationTime = Math.max(animationTime, time);
@@ -757,7 +650,6 @@ function AnimationStateManager() {
         }
       });
       clearTimeout(animationCallbackId);
-
       if (!animating) {
         if (typeof callback === 'function') callback();
       } else {
@@ -765,7 +657,6 @@ function AnimationStateManager() {
           if (typeof callback === 'function') callback();
         }, animationTime);
       }
-
       animationStates = [];
     },
     animate: function animate(target, currentRect, toRect, duration) {
@@ -773,10 +664,10 @@ function AnimationStateManager() {
         css(target, 'transition', '');
         css(target, 'transform', '');
         var elMatrix = matrix(this.el),
-            scaleX = elMatrix && elMatrix.a,
-            scaleY = elMatrix && elMatrix.d,
-            translateX = (currentRect.left - toRect.left) / (scaleX || 1),
-            translateY = (currentRect.top - toRect.top) / (scaleY || 1);
+          scaleX = elMatrix && elMatrix.a,
+          scaleY = elMatrix && elMatrix.d,
+          translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+          translateY = (currentRect.top - toRect.top) / (scaleY || 1);
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -796,11 +687,9 @@ function AnimationStateManager() {
     }
   };
 }
-
 function repaint(target) {
   return target.offsetWidth;
 }
-
 function calculateRealTime(animatingRect, fromRect, toRect, options) {
   return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
 }
@@ -817,7 +706,6 @@ var PluginManager = {
         plugin[option] = defaults[option];
       }
     }
-
     plugins.forEach(function (p) {
       if (p.pluginName === plugin.pluginName) {
         throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
@@ -827,25 +715,22 @@ var PluginManager = {
   },
   pluginEvent: function pluginEvent(eventName, sortable, evt) {
     var _this = this;
-
     this.eventCanceled = false;
-
     evt.cancel = function () {
       _this.eventCanceled = true;
     };
-
     var eventNameGlobal = eventName + 'Global';
     plugins.forEach(function (plugin) {
-      if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
-
+      if (!sortable[plugin.pluginName]) return;
+      // Fire global events if it exists in this sortable
       if (sortable[plugin.pluginName][eventNameGlobal]) {
         sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
           sortable: sortable
         }, evt));
-      } // Only fire plugin event if plugin is enabled in this sortable,
-      // and plugin has event defined
-
+      }
 
+      // Only fire plugin event if plugin is enabled in this sortable,
+      // and plugin has event defined
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
         sortable[plugin.pluginName][eventName](_objectSpread2({
           sortable: sortable
@@ -860,15 +745,14 @@ var PluginManager = {
       var initialized = new plugin(sortable, el, sortable.options);
       initialized.sortable = sortable;
       initialized.options = sortable.options;
-      sortable[pluginName] = initialized; // Add default options from plugin
+      sortable[pluginName] = initialized;
 
+      // Add default options from plugin
       _extends(defaults, initialized.defaults);
     });
-
     for (var option in sortable.options) {
       if (!sortable.options.hasOwnProperty(option)) continue;
       var modified = this.modifyOption(sortable, option, sortable.options[option]);
-
       if (typeof modified !== 'undefined') {
         sortable.options[option] = modified;
       }
@@ -878,7 +762,6 @@ var PluginManager = {
     var eventProperties = {};
     plugins.forEach(function (plugin) {
       if (typeof plugin.eventProperties !== 'function') return;
-
       _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
     });
     return eventProperties;
@@ -887,8 +770,9 @@ var PluginManager = {
     var modifiedValue;
     plugins.forEach(function (plugin) {
       // Plugin must exist on the Sortable
-      if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
+      if (!sortable[plugin.pluginName]) return;
 
+      // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
       if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
         modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
       }
@@ -899,25 +783,25 @@ var PluginManager = {
 
 function dispatchEvent(_ref) {
   var sortable = _ref.sortable,
-      rootEl = _ref.rootEl,
-      name = _ref.name,
-      targetEl = _ref.targetEl,
-      cloneEl = _ref.cloneEl,
-      toEl = _ref.toEl,
-      fromEl = _ref.fromEl,
-      oldIndex = _ref.oldIndex,
-      newIndex = _ref.newIndex,
-      oldDraggableIndex = _ref.oldDraggableIndex,
-      newDraggableIndex = _ref.newDraggableIndex,
-      originalEvent = _ref.originalEvent,
-      putSortable = _ref.putSortable,
-      extraEventProperties = _ref.extraEventProperties;
+    rootEl = _ref.rootEl,
+    name = _ref.name,
+    targetEl = _ref.targetEl,
+    cloneEl = _ref.cloneEl,
+    toEl = _ref.toEl,
+    fromEl = _ref.fromEl,
+    oldIndex = _ref.oldIndex,
+    newIndex = _ref.newIndex,
+    oldDraggableIndex = _ref.oldDraggableIndex,
+    newDraggableIndex = _ref.newDraggableIndex,
+    originalEvent = _ref.originalEvent,
+    putSortable = _ref.putSortable,
+    extraEventProperties = _ref.extraEventProperties;
   sortable = sortable || rootEl && rootEl[expando];
   if (!sortable) return;
   var evt,
-      options = sortable.options,
-      onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
-
+    options = sortable.options,
+    onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
+  // Support for new CustomEvent feature
   if (window.CustomEvent && !IE11OrLess && !Edge) {
     evt = new CustomEvent(name, {
       bubbles: true,
@@ -927,7 +811,6 @@ function dispatchEvent(_ref) {
     evt = document.createEvent('Event');
     evt.initEvent(name, true, true);
   }
-
   evt.to = toEl || rootEl;
   evt.from = fromEl || rootEl;
   evt.item = targetEl || rootEl;
@@ -938,29 +821,23 @@ function dispatchEvent(_ref) {
   evt.newDraggableIndex = newDraggableIndex;
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
-
   var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
-
   for (var option in allEventProperties) {
     evt[option] = allEventProperties[option];
   }
-
   if (rootEl) {
     rootEl.dispatchEvent(evt);
   }
-
   if (options[onName]) {
     options[onName].call(sortable, evt);
   }
 }
 
 var _excluded = ["evt"];
-
 var pluginEvent = function pluginEvent(eventName, sortable) {
   var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-      originalEvent = _ref.evt,
-      data = _objectWithoutProperties(_ref, _excluded);
-
+    originalEvent = _ref.evt,
+    data = _objectWithoutProperties(_ref, _excluded);
   PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
     dragEl: dragEl,
     parentEl: parentEl,
@@ -995,7 +872,6 @@ var pluginEvent = function pluginEvent(eventName, sortable) {
     }
   }, data));
 };
-
 function _dispatchEvent(info) {
   dispatchEvent(_objectSpread2({
     putSortable: putSortable,
@@ -1008,62 +884,61 @@ function _dispatchEvent(info) {
     newDraggableIndex: newDraggableIndex
   }, info));
 }
-
 var dragEl,
-    parentEl,
-    ghostEl,
-    rootEl,
-    nextEl,
-    lastDownEl,
-    cloneEl,
-    cloneHidden,
-    oldIndex,
-    newIndex,
-    oldDraggableIndex,
-    newDraggableIndex,
-    activeGroup,
-    putSortable,
-    awaitingDragStarted = false,
-    ignoreNextClick = false,
-    sortables = [],
-    tapEvt,
-    touchEvt,
-    lastDx,
-    lastDy,
-    tapDistanceLeft,
-    tapDistanceTop,
-    moved,
-    lastTarget,
-    lastDirection,
-    pastFirstInvertThresh = false,
-    isCircumstantialInvert = false,
-    targetMoveDistance,
-    // For positioning ghost absolutely
-ghostRelativeParent,
-    ghostRelativeParentInitialScroll = [],
-    // (left, top)
-_silent = false,
-    savedInputChecked = [];
-/** @const */
+  parentEl,
+  ghostEl,
+  rootEl,
+  nextEl,
+  lastDownEl,
+  cloneEl,
+  cloneHidden,
+  oldIndex,
+  newIndex,
+  oldDraggableIndex,
+  newDraggableIndex,
+  activeGroup,
+  putSortable,
+  awaitingDragStarted = false,
+  ignoreNextClick = false,
+  sortables = [],
+  tapEvt,
+  touchEvt,
+  lastDx,
+  lastDy,
+  tapDistanceLeft,
+  tapDistanceTop,
+  moved,
+  lastTarget,
+  lastDirection,
+  pastFirstInvertThresh = false,
+  isCircumstantialInvert = false,
+  targetMoveDistance,
+  // For positioning ghost absolutely
+  ghostRelativeParent,
+  ghostRelativeParentInitialScroll = [],
+  // (left, top)
+
+  _silent = false,
+  savedInputChecked = [];
 
+/** @const */
 var documentExists = typeof document !== 'undefined',
-    PositionGhostAbsolutely = IOS,
-    CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
-    // This will not pass for IE9, because IE9 DnD only works on anchors
-supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
-    supportCssPointerEvents = function () {
-  if (!documentExists) return; // false when <= IE11
-
-  if (IE11OrLess) {
-    return false;
-  }
-
-  var el = document.createElement('x');
-  el.style.cssText = 'pointer-events:auto';
-  return el.style.pointerEvents === 'auto';
-}(),
-    _detectDirection = function _detectDirection(el, options) {
-  var elCSS = css(el),
+  PositionGhostAbsolutely = IOS,
+  CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
+  // This will not pass for IE9, because IE9 DnD only works on anchors
+  supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+  supportCssPointerEvents = function () {
+    if (!documentExists) return;
+    // false when <= IE11
+    if (IE11OrLess) {
+      return false;
+    }
+    var el = document.createElement('x');
+    el.style.cssText = 'pointer-events:auto';
+    return el.style.pointerEvents === 'auto';
+  }(),
+  _detectDirection = function _detectDirection(el, options) {
+    var elCSS = css(el),
       elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
       child1 = getChild(el, 0, options),
       child2 = getChild(el, 1, options),
@@ -1071,102 +946,92 @@ supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in
       secondChildCSS = child2 && css(child2),
       firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
       secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;
-
-  if (elCSS.display === 'flex') {
-    return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
-  }
-
-  if (elCSS.display === 'grid') {
-    return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
-  }
-
-  if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
-    var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
-    return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
-  }
-
-  return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
-},
-    _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
-  var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
+    if (elCSS.display === 'flex') {
+      return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
+    }
+    if (elCSS.display === 'grid') {
+      return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
+    }
+    if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
+      var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
+      return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
+    }
+    return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
+  },
+  _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
+    var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
       dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
       dragElOppLength = vertical ? dragRect.width : dragRect.height,
       targetS1Opp = vertical ? targetRect.left : targetRect.top,
       targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
       targetOppLength = vertical ? targetRect.width : targetRect.height;
-  return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
-},
-
-/**
- * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
- * @param  {Number} x      X position
- * @param  {Number} y      Y position
- * @return {HTMLElement}   Element of the first found nearest Sortable
- */
-_detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
-  var ret;
-  sortables.some(function (sortable) {
-    var threshold = sortable[expando].options.emptyInsertThreshold;
-    if (!threshold || lastChild(sortable)) return;
-    var rect = getRect(sortable),
+    return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
+  },
+  /**
+   * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
+   * @param  {Number} x      X position
+   * @param  {Number} y      Y position
+   * @return {HTMLElement}   Element of the first found nearest Sortable
+   */
+  _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
+    var ret;
+    sortables.some(function (sortable) {
+      var threshold = sortable[expando].options.emptyInsertThreshold;
+      if (!threshold || lastChild(sortable)) return;
+      var rect = getRect(sortable),
         insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
         insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
-
-    if (insideHorizontally && insideVertically) {
-      return ret = sortable;
-    }
-  });
-  return ret;
-},
-    _prepareGroup = function _prepareGroup(options) {
-  function toFn(value, pull) {
-    return function (to, from, dragEl, evt) {
-      var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
-
-      if (value == null && (pull || sameGroup)) {
-        // Default pull value
-        // Default pull and put value if same group
-        return true;
-      } else if (value == null || value === false) {
-        return false;
-      } else if (pull && value === 'clone') {
-        return value;
-      } else if (typeof value === 'function') {
-        return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
-      } else {
-        var otherGroup = (pull ? to : from).options.group.name;
-        return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+      if (insideHorizontally && insideVertically) {
+        return ret = sortable;
       }
-    };
-  }
-
-  var group = {};
-  var originalGroup = options.group;
-
-  if (!originalGroup || _typeof(originalGroup) != 'object') {
-    originalGroup = {
-      name: originalGroup
-    };
-  }
-
-  group.name = originalGroup.name;
-  group.checkPull = toFn(originalGroup.pull, true);
-  group.checkPut = toFn(originalGroup.put);
-  group.revertClone = originalGroup.revertClone;
-  options.group = group;
-},
-    _hideGhostForTarget = function _hideGhostForTarget() {
-  if (!supportCssPointerEvents && ghostEl) {
-    css(ghostEl, 'display', 'none');
-  }
-},
-    _unhideGhostForTarget = function _unhideGhostForTarget() {
-  if (!supportCssPointerEvents && ghostEl) {
-    css(ghostEl, 'display', '');
-  }
-}; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
-
+    });
+    return ret;
+  },
+  _prepareGroup = function _prepareGroup(options) {
+    function toFn(value, pull) {
+      return function (to, from, dragEl, evt) {
+        var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
+        if (value == null && (pull || sameGroup)) {
+          // Default pull value
+          // Default pull and put value if same group
+          return true;
+        } else if (value == null || value === false) {
+          return false;
+        } else if (pull && value === 'clone') {
+          return value;
+        } else if (typeof value === 'function') {
+          return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
+        } else {
+          var otherGroup = (pull ? to : from).options.group.name;
+          return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+        }
+      };
+    }
+    var group = {};
+    var originalGroup = options.group;
+    if (!originalGroup || _typeof(originalGroup) != 'object') {
+      originalGroup = {
+        name: originalGroup
+      };
+    }
+    group.name = originalGroup.name;
+    group.checkPull = toFn(originalGroup.pull, true);
+    group.checkPut = toFn(originalGroup.put);
+    group.revertClone = originalGroup.revertClone;
+    options.group = group;
+  },
+  _hideGhostForTarget = function _hideGhostForTarget() {
+    if (!supportCssPointerEvents && ghostEl) {
+      css(ghostEl, 'display', 'none');
+    }
+  },
+  _unhideGhostForTarget = function _unhideGhostForTarget() {
+    if (!supportCssPointerEvents && ghostEl) {
+      css(ghostEl, 'display', '');
+    }
+  };
 
+// #1184 fix - Prevent click event on fallback if dragged but item not changed position
 if (documentExists && !ChromeForAndroid) {
   document.addEventListener('click', function (evt) {
     if (ignoreNextClick) {
@@ -1178,53 +1043,44 @@ if (documentExists && !ChromeForAndroid) {
     }
   }, true);
 }
-
 var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
   if (dragEl) {
     evt = evt.touches ? evt.touches[0] : evt;
-
     var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
-
     if (nearest) {
       // Create imitation event
       var event = {};
-
       for (var i in evt) {
         if (evt.hasOwnProperty(i)) {
           event[i] = evt[i];
         }
       }
-
       event.target = event.rootEl = nearest;
       event.preventDefault = void 0;
       event.stopPropagation = void 0;
-
       nearest[expando]._onDragOver(event);
     }
   }
 };
-
 var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
   if (dragEl) {
     dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
   }
 };
+
 /**
  * @class  Sortable
  * @param  {HTMLElement}  el
  * @param  {Object}       [options]
  */
-
-
 function Sortable(el, options) {
   if (!(el && el.nodeType && el.nodeType === 1)) {
     throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
   }
-
   this.el = el; // root element
+  this.options = options = _extends({}, options);
 
-  this.options = options = _extends({}, options); // Export instance
-
+  // Export instance
   el[expando] = this;
   var defaults = {
     group: null,
@@ -1271,52 +1127,48 @@ function Sortable(el, options) {
     supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
     emptyInsertThreshold: 5
   };
-  PluginManager.initializePlugins(this, el, defaults); // Set default options
+  PluginManager.initializePlugins(this, el, defaults);
 
+  // Set default options
   for (var name in defaults) {
     !(name in options) && (options[name] = defaults[name]);
   }
+  _prepareGroup(options);
 
-  _prepareGroup(options); // Bind all private methods
-
-
+  // Bind all private methods
   for (var fn in this) {
     if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
       this[fn] = this[fn].bind(this);
     }
-  } // Setup drag mode
-
+  }
 
+  // Setup drag mode
   this.nativeDraggable = options.forceFallback ? false : supportDraggable;
-
   if (this.nativeDraggable) {
     // Touch start threshold cannot be greater than the native dragstart threshold
     this.options.touchStartThreshold = 1;
-  } // Bind events
-
+  }
 
+  // Bind events
   if (options.supportPointer) {
     on(el, 'pointerdown', this._onTapStart);
   } else {
     on(el, 'mousedown', this._onTapStart);
     on(el, 'touchstart', this._onTapStart);
   }
-
   if (this.nativeDraggable) {
     on(el, 'dragover', this);
     on(el, 'dragenter', this);
   }
+  sortables.push(this.el);
 
-  sortables.push(this.el); // Restore sorting
-
-  options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager
+  // Restore sorting
+  options.store && options.store.get && this.sort(options.store.get(this) || []);
 
+  // Add animation state manager
   _extends(this, AnimationStateManager());
 }
-
-Sortable.prototype =
-/** @lends Sortable.prototype */
-{
+Sortable.prototype = /** @lends Sortable.prototype */{
   constructor: Sortable,
   _isOutsideThisEl: function _isOutsideThisEl(target) {
     if (!this.el.contains(target) && target !== this.el) {
@@ -1326,57 +1178,50 @@ Sortable.prototype =
   _getDirection: function _getDirection(evt, target) {
     return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
   },
-  _onTapStart: function _onTapStart(
-  /** Event|TouchEvent */
-  evt) {
+  _onTapStart: function _onTapStart( /** Event|TouchEvent */evt) {
     if (!evt.cancelable) return;
-
     var _this = this,
-        el = this.el,
-        options = this.options,
-        preventOnFilter = options.preventOnFilter,
-        type = evt.type,
-        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
-        target = (touch || evt).target,
-        originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
-        filter = options.filter;
-
-    _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
-
-
+      el = this.el,
+      options = this.options,
+      preventOnFilter = options.preventOnFilter,
+      type = evt.type,
+      touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
+      target = (touch || evt).target,
+      originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
+      filter = options.filter;
+    _saveInputCheckedState(el);
+
+    // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
     if (dragEl) {
       return;
     }
-
     if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
       return; // only left button and enabled
-    } // cancel dnd if original target is content editable
-
+    }
 
+    // cancel dnd if original target is content editable
     if (originalTarget.isContentEditable) {
       return;
-    } // Safari ignores further event handling after mousedown
-
+    }
 
+    // Safari ignores further event handling after mousedown
     if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
       return;
     }
-
     target = closest(target, options.draggable, el, false);
-
     if (target && target.animated) {
       return;
     }
-
     if (lastDownEl === target) {
       // Ignoring duplicate `down`
       return;
-    } // Get the index of the dragged element within its parent
-
+    }
 
+    // Get the index of the dragged element within its parent
     oldIndex = index(target);
-    oldDraggableIndex = index(target, options.draggable); // Check filter
+    oldDraggableIndex = index(target, options.draggable);
 
+    // Check filter
     if (typeof filter === 'function') {
       if (filter.call(this, evt, target, this)) {
         _dispatchEvent({
@@ -1387,7 +1232,6 @@ Sortable.prototype =
           toEl: el,
           fromEl: el
         });
-
         pluginEvent('filter', _this, {
           evt: evt
         });
@@ -1397,7 +1241,6 @@ Sortable.prototype =
     } else if (filter) {
       filter = filter.split(',').some(function (criteria) {
         criteria = closest(originalTarget, criteria.trim(), el, false);
-
         if (criteria) {
           _dispatchEvent({
             sortable: _this,
@@ -1407,40 +1250,30 @@ Sortable.prototype =
             fromEl: el,
             toEl: el
           });
-
           pluginEvent('filter', _this, {
             evt: evt
           });
           return true;
         }
       });
-
       if (filter) {
         preventOnFilter && evt.cancelable && evt.preventDefault();
         return; // cancel dnd
       }
     }
-
     if (options.handle && !closest(originalTarget, options.handle, el, false)) {
       return;
-    } // Prepare `dragstart`
-
+    }
 
+    // Prepare `dragstart`
     this._prepareDragStart(evt, touch, target);
   },
-  _prepareDragStart: function _prepareDragStart(
-  /** Event */
-  evt,
-  /** Touch */
-  touch,
-  /** HTMLElement */
-  target) {
+  _prepareDragStart: function _prepareDragStart( /** Event */evt, /** Touch */touch, /** HTMLElement */target) {
     var _this = this,
-        el = _this.el,
-        options = _this.options,
-        ownerDocument = el.ownerDocument,
-        dragStartFn;
-
+      el = _this.el,
+      options = _this.options,
+      ownerDocument = el.ownerDocument,
+      dragStartFn;
     if (target && !dragEl && target.parentNode === el) {
       var dragRect = getRect(target);
       rootEl = el;
@@ -1460,41 +1293,36 @@ Sortable.prototype =
       this._lastX = (touch || evt).clientX;
       this._lastY = (touch || evt).clientY;
       dragEl.style['will-change'] = 'all';
-
       dragStartFn = function dragStartFn() {
         pluginEvent('delayEnded', _this, {
           evt: evt
         });
-
         if (Sortable.eventCanceled) {
           _this._onDrop();
-
           return;
-        } // Delayed drag has been triggered
+        }
+        // Delayed drag has been triggered
         // we can re-enable the events: touchmove/mousemove
-
-
         _this._disableDelayedDragEvents();
-
         if (!FireFox && _this.nativeDraggable) {
           dragEl.draggable = true;
-        } // Bind the events: dragstart/dragend
-
-
-        _this._triggerDragStart(evt, touch); // Drag start event
+        }
 
+        // Bind the events: dragstart/dragend
+        _this._triggerDragStart(evt, touch);
 
+        // Drag start event
         _dispatchEvent({
           sortable: _this,
           name: 'choose',
           originalEvent: evt
-        }); // Chosen item
-
+        });
 
+        // Chosen item
         toggleClass(dragEl, options.chosenClass, true);
-      }; // Disable "draggable"
-
+      };
 
+      // Disable "draggable"
       options.ignore.split(',').forEach(function (criteria) {
         find(dragEl, criteria.trim(), _disableDraggable);
       });
@@ -1503,27 +1331,26 @@ Sortable.prototype =
       on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'mouseup', _this._onDrop);
       on(ownerDocument, 'touchend', _this._onDrop);
-      on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)
+      on(ownerDocument, 'touchcancel', _this._onDrop);
 
+      // Make dragEl draggable (must be before delay for FireFox)
       if (FireFox && this.nativeDraggable) {
         this.options.touchStartThreshold = 4;
         dragEl.draggable = true;
       }
-
       pluginEvent('delayStart', this, {
         evt: evt
-      }); // Delay is impossible for native DnD in Edge or IE
+      });
 
+      // Delay is impossible for native DnD in Edge or IE
       if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {
         if (Sortable.eventCanceled) {
           this._onDrop();
-
           return;
-        } // If the user moves the pointer or let go the click or touch
+        }
+        // If the user moves the pointer or let go the click or touch
         // before the delay has been reached:
         // disable the delayed drag
-
-
         on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
         on(ownerDocument, 'touchend', _this._disableDelayedDrag);
         on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
@@ -1536,11 +1363,8 @@ Sortable.prototype =
       }
     }
   },
-  _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(
-  /** TouchEvent|PointerEvent **/
-  e) {
+  _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler( /** TouchEvent|PointerEvent **/e) {
     var touch = e.touches ? e.touches[0] : e;
-
     if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {
       this._disableDelayedDrag();
     }
@@ -1548,7 +1372,6 @@ Sortable.prototype =
   _disableDelayedDrag: function _disableDelayedDrag() {
     dragEl && _disableDraggable(dragEl);
     clearTimeout(this._dragStartTimer);
-
     this._disableDelayedDragEvents();
   },
   _disableDelayedDragEvents: function _disableDelayedDragEvents() {
@@ -1560,13 +1383,8 @@ Sortable.prototype =
     off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
   },
-  _triggerDragStart: function _triggerDragStart(
-  /** Event */
-  evt,
-  /** Touch */
-  touch) {
+  _triggerDragStart: function _triggerDragStart( /** Event */evt, /** Touch */touch) {
     touch = touch || evt.pointerType == 'touch' && evt;
-
     if (!this.nativeDraggable || touch) {
       if (this.options.supportPointer) {
         on(document, 'pointermove', this._onTouchMove);
@@ -1579,7 +1397,6 @@ Sortable.prototype =
       on(dragEl, 'dragend', this);
       on(rootEl, 'dragstart', this._onDragStart);
     }
-
     try {
       if (document.selection) {
         // Timeout neccessary for IE9
@@ -1592,25 +1409,23 @@ Sortable.prototype =
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
-
     awaitingDragStarted = false;
-
     if (rootEl && dragEl) {
       pluginEvent('dragStarted', this, {
         evt: evt
       });
-
       if (this.nativeDraggable) {
         on(document, 'dragover', _checkOutsideTargetEl);
       }
+      var options = this.options;
 
-      var options = this.options; // Apply effect
-
+      // Apply effect
       !fallback && toggleClass(dragEl, options.dragClass, false);
       toggleClass(dragEl, options.ghostClass, true);
       Sortable.active = this;
-      fallback && this._appendGhost(); // Drag start event
+      fallback && this._appendGhost();
 
+      // Drag start event
       _dispatchEvent({
         sortable: this,
         name: 'start',
@@ -1624,20 +1439,15 @@ Sortable.prototype =
     if (touchEvt) {
       this._lastX = touchEvt.clientX;
       this._lastY = touchEvt.clientY;
-
       _hideGhostForTarget();
-
       var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
       var parent = target;
-
       while (target && target.shadowRoot) {
         target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
         if (target === parent) break;
         parent = target;
       }
-
       dragEl.parentNode[expando]._isOutsideThisEl(target);
-
       if (parent) {
         do {
           if (parent[expando]) {
@@ -1648,44 +1458,37 @@ Sortable.prototype =
               target: target,
               rootEl: parent
             });
-
             if (inserted && !this.options.dragoverBubble) {
               break;
             }
           }
-
           target = parent; // store last element
         }
-        /* jshint boss:true */
-        while (parent = parent.parentNode);
+        /* jshint boss:true */ while (parent = parent.parentNode);
       }
-
       _unhideGhostForTarget();
     }
   },
-  _onTouchMove: function _onTouchMove(
-  /**TouchEvent*/
-  evt) {
+  _onTouchMove: function _onTouchMove( /**TouchEvent*/evt) {
     if (tapEvt) {
       var options = this.options,
-          fallbackTolerance = options.fallbackTolerance,
-          fallbackOffset = options.fallbackOffset,
-          touch = evt.touches ? evt.touches[0] : evt,
-          ghostMatrix = ghostEl && matrix(ghostEl, true),
-          scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
-          scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
-          relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
-          dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
-
+        fallbackTolerance = options.fallbackTolerance,
+        fallbackOffset = options.fallbackOffset,
+        touch = evt.touches ? evt.touches[0] : evt,
+        ghostMatrix = ghostEl && matrix(ghostEl, true),
+        scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
+        scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
+        relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
+        dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
+        dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1);
+
+      // only set the status to dragging, when we are actually dragging
       if (!Sortable.active && !awaitingDragStarted) {
         if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
           return;
         }
-
         this._onDragStart(evt, true);
       }
-
       if (ghostEl) {
         if (ghostMatrix) {
           ghostMatrix.e += dx - (lastDx || 0);
@@ -1700,7 +1503,6 @@ Sortable.prototype =
             f: dy
           };
         }
-
         var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
         css(ghostEl, 'webkitTransform', cssMatrix);
         css(ghostEl, 'mozTransform', cssMatrix);
@@ -1710,7 +1512,6 @@ Sortable.prototype =
         lastDy = dy;
         touchEvt = touch;
       }
-
       evt.cancelable && evt.preventDefault();
     }
   },
@@ -1719,17 +1520,16 @@ Sortable.prototype =
     // Not being adjusted for
     if (!ghostEl) {
       var container = this.options.fallbackOnBody ? document.body : rootEl,
-          rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
-          options = this.options; // Position absolutely
+        rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
+        options = this.options;
 
+      // Position absolutely
       if (PositionGhostAbsolutely) {
         // Get relatively positioned parent
         ghostRelativeParent = container;
-
         while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {
           ghostRelativeParent = ghostRelativeParent.parentNode;
         }
-
         if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {
           if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();
           rect.top += ghostRelativeParent.scrollTop;
@@ -1737,10 +1537,8 @@ Sortable.prototype =
         } else {
           ghostRelativeParent = getWindowScrollingElement();
         }
-
         ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);
       }
-
       ghostEl = dragEl.cloneNode(true);
       toggleClass(ghostEl, options.ghostClass, false);
       toggleClass(ghostEl, options.fallbackClass, true);
@@ -1758,62 +1556,50 @@ Sortable.prototype =
       css(ghostEl, 'zIndex', '100000');
       css(ghostEl, 'pointerEvents', 'none');
       Sortable.ghost = ghostEl;
-      container.appendChild(ghostEl); // Set transform-origin
+      container.appendChild(ghostEl);
 
+      // Set transform-origin
       css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
     }
   },
-  _onDragStart: function _onDragStart(
-  /**Event*/
-  evt,
-  /**boolean*/
-  fallback) {
+  _onDragStart: function _onDragStart( /**Event*/evt, /**boolean*/fallback) {
     var _this = this;
-
     var dataTransfer = evt.dataTransfer;
     var options = _this.options;
     pluginEvent('dragStart', this, {
       evt: evt
     });
-
     if (Sortable.eventCanceled) {
       this._onDrop();
-
       return;
     }
-
     pluginEvent('setupClone', this);
-
     if (!Sortable.eventCanceled) {
       cloneEl = clone(dragEl);
       cloneEl.removeAttribute("id");
       cloneEl.draggable = false;
       cloneEl.style['will-change'] = '';
-
       this._hideClone();
-
       toggleClass(cloneEl, this.options.chosenClass, false);
       Sortable.clone = cloneEl;
-    } // #1143: IFrame support workaround
-
+    }
 
+    // #1143: IFrame support workaround
     _this.cloneId = _nextTick(function () {
       pluginEvent('clone', _this);
       if (Sortable.eventCanceled) return;
-
       if (!_this.options.removeCloneOnHide) {
         rootEl.insertBefore(cloneEl, dragEl);
       }
-
       _this._hideClone();
-
       _dispatchEvent({
         sortable: _this,
         name: 'clone'
       });
     });
-    !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events
+    !fallback && toggleClass(dragEl, options.dragClass, true);
 
+    // Set proper drop events
     if (fallback) {
       ignoreNextClick = true;
       _this._loopId = setInterval(_this._emulateDragOver, 50);
@@ -1822,47 +1608,40 @@ Sortable.prototype =
       off(document, 'mouseup', _this._onDrop);
       off(document, 'touchend', _this._onDrop);
       off(document, 'touchcancel', _this._onDrop);
-
       if (dataTransfer) {
         dataTransfer.effectAllowed = 'move';
         options.setData && options.setData.call(_this, dataTransfer, dragEl);
       }
+      on(document, 'drop', _this);
 
-      on(document, 'drop', _this); // #1276 fix:
-
+      // #1276 fix:
       css(dragEl, 'transform', 'translateZ(0)');
     }
-
     awaitingDragStarted = true;
     _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
     on(document, 'selectstart', _this);
     moved = true;
-
     if (Safari) {
       css(document.body, 'user-select', 'none');
     }
   },
   // Returns true - if no further action is needed (either inserted or another condition)
-  _onDragOver: function _onDragOver(
-  /**Event*/
-  evt) {
+  _onDragOver: function _onDragOver( /**Event*/evt) {
     var el = this.el,
-        target = evt.target,
-        dragRect,
-        targetRect,
-        revert,
-        options = this.options,
-        group = options.group,
-        activeSortable = Sortable.active,
-        isOwner = activeGroup === group,
-        canSort = options.sort,
-        fromSortable = putSortable || activeSortable,
-        vertical,
-        _this = this,
-        completedFired = false;
-
+      target = evt.target,
+      dragRect,
+      targetRect,
+      revert,
+      options = this.options,
+      group = options.group,
+      activeSortable = Sortable.active,
+      isOwner = activeGroup === group,
+      canSort = options.sort,
+      fromSortable = putSortable || activeSortable,
+      vertical,
+      _this = this,
+      completedFired = false;
     if (_silent) return;
-
     function dragOverEvent(name, extra) {
       pluginEvent(name, _this, _objectSpread2({
         evt: evt,
@@ -1880,25 +1659,22 @@ Sortable.prototype =
         },
         changed: changed
       }, extra));
-    } // Capture animation state
-
+    }
 
+    // Capture animation state
     function capture() {
       dragOverEvent('dragOverAnimationCapture');
-
       _this.captureAnimationState();
-
       if (_this !== fromSortable) {
         fromSortable.captureAnimationState();
       }
-    } // Return invocation when dragEl is inserted (or completed)
-
+    }
 
+    // Return invocation when dragEl is inserted (or completed)
     function completed(insertion) {
       dragOverEvent('dragOverCompleted', {
         insertion: insertion
       });
-
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
         if (isOwner) {
@@ -1906,57 +1682,51 @@ Sortable.prototype =
         } else {
           activeSortable._showClone(_this);
         }
-
         if (_this !== fromSortable) {
           // Set ghost class to new sortable's ghost class
           toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
           toggleClass(dragEl, options.ghostClass, true);
         }
-
         if (putSortable !== _this && _this !== Sortable.active) {
           putSortable = _this;
         } else if (_this === Sortable.active && putSortable) {
           putSortable = null;
-        } // Animation
-
+        }
 
+        // Animation
         if (fromSortable === _this) {
           _this._ignoreWhileAnimating = target;
         }
-
         _this.animateAll(function () {
           dragOverEvent('dragOverAnimationComplete');
           _this._ignoreWhileAnimating = null;
         });
-
         if (_this !== fromSortable) {
           fromSortable.animateAll();
           fromSortable._ignoreWhileAnimating = null;
         }
-      } // Null lastTarget if it is not inside a previously swapped element
-
+      }
 
+      // Null lastTarget if it is not inside a previously swapped element
       if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
         lastTarget = null;
-      } // no bubbling and not fallback
-
+      }
 
+      // no bubbling and not fallback
       if (!options.dragoverBubble && !evt.rootEl && target !== document) {
-        dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted
-
+        dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
 
+        // Do not detect for empty insert if already inserted
         !insertion && nearestEmptyInsertDetectEvent(evt);
       }
-
       !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
       return completedFired = true;
-    } // Call when dragEl has been inserted
-
+    }
 
+    // Call when dragEl has been inserted
     function changed() {
       newIndex = index(dragEl);
       newDraggableIndex = index(dragEl, options.draggable);
-
       _dispatchEvent({
         sortable: _this,
         name: 'change',
@@ -1966,37 +1736,27 @@ Sortable.prototype =
         originalEvent: evt
       });
     }
-
     if (evt.preventDefault !== void 0) {
       evt.cancelable && evt.preventDefault();
     }
-
     target = closest(target, options.draggable, el, true);
     dragOverEvent('dragOver');
     if (Sortable.eventCanceled) return completedFired;
-
     if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
       return completed(false);
     }
-
     ignoreNextClick = false;
-
     if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
     : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
       vertical = this._getDirection(evt, target) === 'vertical';
       dragRect = getRect(dragEl);
       dragOverEvent('dragOverValid');
       if (Sortable.eventCanceled) return completedFired;
-
       if (revert) {
         parentEl = rootEl; // actualization
-
         capture();
-
         this._hideClone();
-
         dragOverEvent('revert');
-
         if (!Sortable.eventCanceled) {
           if (nextEl) {
             rootEl.insertBefore(dragEl, nextEl);
@@ -2004,38 +1764,32 @@ Sortable.prototype =
             rootEl.appendChild(dragEl);
           }
         }
-
         return completed(true);
       }
-
       var elLastChild = lastChild(el, options.draggable);
-
       if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
         // Insert to end of list
+
         // If already at end of list: Do not insert
         if (elLastChild === dragEl) {
           return completed(false);
-        } // if there is a last element, it is the target
-
+        }
 
+        // if there is a last element, it is the target
         if (elLastChild && el === evt.target) {
           target = elLastChild;
         }
-
         if (target) {
           targetRect = getRect(target);
         }
-
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
           capture();
-
           if (elLastChild && elLastChild.nextSibling) {
             // the last draggable element is not the last node
             el.insertBefore(dragEl, elLastChild.nextSibling);
           } else {
             el.appendChild(dragEl);
           }
-
           parentEl = el; // actualization
 
           changed();
@@ -2044,14 +1798,11 @@ Sortable.prototype =
       } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
         // Insert to start of list
         var firstChild = getChild(el, 0, options, true);
-
         if (firstChild === dragEl) {
           return completed(false);
         }
-
         target = firstChild;
         targetRect = getRect(target);
-
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
           capture();
           el.insertBefore(dragEl, firstChild);
@@ -2063,82 +1814,68 @@ Sortable.prototype =
       } else if (target.parentNode === el) {
         targetRect = getRect(target);
         var direction = 0,
-            targetBeforeFirstSwap,
-            differentLevel = dragEl.parentNode !== el,
-            differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
-            side1 = vertical ? 'top' : 'left',
-            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
-            scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
-
+          targetBeforeFirstSwap,
+          differentLevel = dragEl.parentNode !== el,
+          differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
+          side1 = vertical ? 'top' : 'left',
+          scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
+          scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
         if (lastTarget !== target) {
           targetBeforeFirstSwap = targetRect[side1];
           pastFirstInvertThresh = false;
           isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
         }
-
         direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
         var sibling;
-
         if (direction !== 0) {
           // Check if target is beside dragEl in respective direction (ignoring hidden elements)
           var dragIndex = index(dragEl);
-
           do {
             dragIndex -= direction;
             sibling = parentEl.children[dragIndex];
           } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
-        } // If dragEl is already beside target: Do not insert
-
-
+        }
+        // If dragEl is already beside target: Do not insert
         if (direction === 0 || sibling === target) {
           return completed(false);
         }
-
         lastTarget = target;
         lastDirection = direction;
         var nextSibling = target.nextElementSibling,
-            after = false;
+          after = false;
         after = direction === 1;
-
         var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
-
         if (moveVector !== false) {
           if (moveVector === 1 || moveVector === -1) {
             after = moveVector === 1;
           }
-
           _silent = true;
           setTimeout(_unsilent, 30);
           capture();
-
           if (after && !nextSibling) {
             el.appendChild(dragEl);
           } else {
             target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
-          } // Undo chrome's scroll adjustment (has no effect on other browsers)
-
+          }
 
+          // Undo chrome's scroll adjustment (has no effect on other browsers)
           if (scrolledPastTop) {
             scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
           }
-
           parentEl = dragEl.parentNode; // actualization
-          // must be done before animation
 
+          // must be done before animation
           if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
             targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
           }
-
           changed();
           return completed(true);
         }
       }
-
       if (el.contains(dragEl)) {
         return completed(false);
       }
     }
-
     return false;
   },
   _ignoreWhileAnimating: null,
@@ -2158,83 +1895,69 @@ Sortable.prototype =
     off(ownerDocument, 'touchcancel', this._onDrop);
     off(document, 'selectstart', this);
   },
-  _onDrop: function _onDrop(
-  /**Event*/
-  evt) {
+  _onDrop: function _onDrop( /**Event*/evt) {
     var el = this.el,
-        options = this.options; // Get the index of the dragged element within its parent
+      options = this.options;
 
+    // Get the index of the dragged element within its parent
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
     pluginEvent('drop', this, {
       evt: evt
     });
-    parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
+    parentEl = dragEl && dragEl.parentNode;
 
+    // Get again after plugin event
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
-
     if (Sortable.eventCanceled) {
       this._nulling();
-
       return;
     }
-
     awaitingDragStarted = false;
     isCircumstantialInvert = false;
     pastFirstInvertThresh = false;
     clearInterval(this._loopId);
     clearTimeout(this._dragStartTimer);
-
     _cancelNextTick(this.cloneId);
+    _cancelNextTick(this._dragStartId);
 
-    _cancelNextTick(this._dragStartId); // Unbind events
-
-
+    // Unbind events
     if (this.nativeDraggable) {
       off(document, 'drop', this);
       off(el, 'dragstart', this._onDragStart);
     }
-
     this._offMoveEvents();
-
     this._offUpEvents();
-
     if (Safari) {
       css(document.body, 'user-select', '');
     }
-
     css(dragEl, 'transform', '');
-
     if (evt) {
       if (moved) {
         evt.cancelable && evt.preventDefault();
         !options.dropBubble && evt.stopPropagation();
       }
-
       ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
-
       if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
         // Remove clone(s)
         cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
       }
-
       if (dragEl) {
         if (this.nativeDraggable) {
           off(dragEl, 'dragend', this);
         }
-
         _disableDraggable(dragEl);
+        dragEl.style['will-change'] = '';
 
-        dragEl.style['will-change'] = ''; // Remove classes
+        // Remove classes
         // ghostClass is added in dragStarted
-
         if (moved && !awaitingDragStarted) {
           toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
         }
+        toggleClass(dragEl, this.options.chosenClass, false);
 
-        toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event
-
+        // Drag stop event
         _dispatchEvent({
           sortable: this,
           name: 'unchoose',
@@ -2243,7 +1966,6 @@ Sortable.prototype =
           newDraggableIndex: null,
           originalEvent: evt
         });
-
         if (rootEl !== parentEl) {
           if (newIndex >= 0) {
             // Add event
@@ -2253,17 +1975,17 @@ Sortable.prototype =
               toEl: parentEl,
               fromEl: rootEl,
               originalEvent: evt
-            }); // Remove event
-
+            });
 
+            // Remove event
             _dispatchEvent({
               sortable: this,
               name: 'remove',
               toEl: parentEl,
               originalEvent: evt
-            }); // drag from one list and drop into another
-
+            });
 
+            // drag from one list and drop into another
             _dispatchEvent({
               rootEl: parentEl,
               name: 'sort',
@@ -2271,7 +1993,6 @@ Sortable.prototype =
               fromEl: rootEl,
               originalEvent: evt
             });
-
             _dispatchEvent({
               sortable: this,
               name: 'sort',
@@ -2279,7 +2000,6 @@ Sortable.prototype =
               originalEvent: evt
             });
           }
-
           putSortable && putSortable.save();
         } else {
           if (newIndex !== oldIndex) {
@@ -2291,7 +2011,6 @@ Sortable.prototype =
                 toEl: parentEl,
                 originalEvent: evt
               });
-
               _dispatchEvent({
                 sortable: this,
                 name: 'sort',
@@ -2301,27 +2020,24 @@ Sortable.prototype =
             }
           }
         }
-
         if (Sortable.active) {
           /* jshint eqnull:true */
           if (newIndex == null || newIndex === -1) {
             newIndex = oldIndex;
             newDraggableIndex = oldDraggableIndex;
           }
-
           _dispatchEvent({
             sortable: this,
             name: 'end',
             toEl: parentEl,
             originalEvent: evt
-          }); // Save sorting
-
+          });
 
+          // Save sorting
           this.save();
         }
       }
     }
-
     this._nulling();
   },
   _nulling: function _nulling() {
@@ -2332,65 +2048,52 @@ Sortable.prototype =
     });
     savedInputChecked.length = lastDx = lastDy = 0;
   },
-  handleEvent: function handleEvent(
-  /**Event*/
-  evt) {
+  handleEvent: function handleEvent( /**Event*/evt) {
     switch (evt.type) {
       case 'drop':
       case 'dragend':
         this._onDrop(evt);
-
         break;
-
       case 'dragenter':
       case 'dragover':
         if (dragEl) {
           this._onDragOver(evt);
-
           _globalDragOver(evt);
         }
-
         break;
-
       case 'selectstart':
         evt.preventDefault();
         break;
     }
   },
-
   /**
    * Serializes the item into an array of string.
    * @returns {String[]}
    */
   toArray: function toArray() {
     var order = [],
-        el,
-        children = this.el.children,
-        i = 0,
-        n = children.length,
-        options = this.options;
-
+      el,
+      children = this.el.children,
+      i = 0,
+      n = children.length,
+      options = this.options;
     for (; i < n; i++) {
       el = children[i];
-
       if (closest(el, options.draggable, this.el, false)) {
         order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
       }
     }
-
     return order;
   },
-
   /**
    * Sorts the elements according to the array.
    * @param  {String[]}  order  order of the items
    */
   sort: function sort(order, useAnimation) {
     var items = {},
-        rootEl = this.el;
+      rootEl = this.el;
     this.toArray().forEach(function (id, i) {
       var el = rootEl.children[i];
-
       if (closest(el, this.options.draggable, rootEl, false)) {
         items[id] = el;
       }
@@ -2404,7 +2107,6 @@ Sortable.prototype =
     });
     useAnimation && this.animateAll();
   },
-
   /**
    * Save the current sorting
    */
@@ -2412,7 +2114,6 @@ Sortable.prototype =
     var store = this.options.store;
     store && store.set && store.set(this);
   },
-
   /**
    * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
    * @param   {HTMLElement}  el
@@ -2422,7 +2123,6 @@ Sortable.prototype =
   closest: function closest$1(el, selector) {
     return closest(el, selector || this.options.draggable, this.el, false);
   },
-
   /**
    * Set/get option
    * @param   {string} name
@@ -2431,24 +2131,20 @@ Sortable.prototype =
    */
   option: function option(name, value) {
     var options = this.options;
-
     if (value === void 0) {
       return options[name];
     } else {
       var modifiedValue = PluginManager.modifyOption(this, name, value);
-
       if (typeof modifiedValue !== 'undefined') {
         options[name] = modifiedValue;
       } else {
         options[name] = value;
       }
-
       if (name === 'group') {
         _prepareGroup(options);
       }
     }
   },
-
   /**
    * Destroy
    */
@@ -2459,21 +2155,16 @@ Sortable.prototype =
     off(el, 'mousedown', this._onTapStart);
     off(el, 'touchstart', this._onTapStart);
     off(el, 'pointerdown', this._onTapStart);
-
     if (this.nativeDraggable) {
       off(el, 'dragover', this);
       off(el, 'dragenter', this);
-    } // Remove draggable attributes
-
-
+    }
+    // Remove draggable attributes
     Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
       el.removeAttribute('draggable');
     });
-
     this._onDrop();
-
     this._disableDelayedDragEvents();
-
     sortables.splice(sortables.indexOf(this.el), 1);
     this.el = el = null;
   },
@@ -2482,25 +2173,22 @@ Sortable.prototype =
       pluginEvent('hideClone', this);
       if (Sortable.eventCanceled) return;
       css(cloneEl, 'display', 'none');
-
       if (this.options.removeCloneOnHide && cloneEl.parentNode) {
         cloneEl.parentNode.removeChild(cloneEl);
       }
-
       cloneHidden = true;
     }
   },
   _showClone: function _showClone(putSortable) {
     if (putSortable.lastPutMode !== 'clone') {
       this._hideClone();
-
       return;
     }
-
     if (cloneHidden) {
       pluginEvent('showClone', this);
-      if (Sortable.eventCanceled) return; // show clone at dragEl or original position
+      if (Sortable.eventCanceled) return;
 
+      // show clone at dragEl or original position
       if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
         rootEl.insertBefore(cloneEl, dragEl);
       } else if (nextEl) {
@@ -2508,33 +2196,26 @@ Sortable.prototype =
       } else {
         rootEl.appendChild(cloneEl);
       }
-
       if (this.options.group.revertClone) {
         this.animate(dragEl, cloneEl);
       }
-
       css(cloneEl, 'display', '');
       cloneHidden = false;
     }
   }
 };
-
-function _globalDragOver(
-/**Event*/
-evt) {
+function _globalDragOver( /**Event*/evt) {
   if (evt.dataTransfer) {
     evt.dataTransfer.dropEffect = 'move';
   }
-
   evt.cancelable && evt.preventDefault();
 }
-
 function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {
   var evt,
-      sortable = fromEl[expando],
-      onMoveFn = sortable.options.onMove,
-      retVal; // Support for new CustomEvent feature
-
+    sortable = fromEl[expando],
+    onMoveFn = sortable.options.onMove,
+    retVal;
+  // Support for new CustomEvent feature
   if (window.CustomEvent && !IE11OrLess && !Edge) {
     evt = new CustomEvent('move', {
       bubbles: true,
@@ -2544,7 +2225,6 @@ function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalE
     evt = document.createEvent('Event');
     evt.initEvent('move', true, true);
   }
-
   evt.to = toEl;
   evt.from = fromEl;
   evt.dragged = dragEl;
@@ -2554,41 +2234,35 @@ function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalE
   evt.willInsertAfter = willInsertAfter;
   evt.originalEvent = originalEvent;
   fromEl.dispatchEvent(evt);
-
   if (onMoveFn) {
     retVal = onMoveFn.call(sortable, evt, originalEvent);
   }
-
   return retVal;
 }
-
 function _disableDraggable(el) {
   el.draggable = false;
 }
-
 function _unsilent() {
   _silent = false;
 }
-
 function _ghostIsFirst(evt, vertical, sortable) {
-  var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var sortableContentRect = getContentRect(sortable.el);
   var spacer = 10;
-  return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+  return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
 }
-
 function _ghostIsLast(evt, vertical, sortable) {
-  var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
+  var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
+  var sortableContentRect = getContentRect(sortable.el);
   var spacer = 10;
-  return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
+  return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
 }
-
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
   var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
-      targetLength = vertical ? targetRect.height : targetRect.width,
-      targetS1 = vertical ? targetRect.top : targetRect.left,
-      targetS2 = vertical ? targetRect.bottom : targetRect.right,
-      invert = false;
-
+    targetLength = vertical ? targetRect.height : targetRect.width,
+    targetS1 = vertical ? targetRect.top : targetRect.left,
+    targetS2 = vertical ? targetRect.bottom : targetRect.right,
+    invert = false;
   if (!invertSwap) {
     // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
     if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
@@ -2598,7 +2272,6 @@ function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, inv
         // past first invert threshold, do not restrict inverted threshold to dragEl shadow
         pastFirstInvertThresh = true;
       }
-
       if (!pastFirstInvertThresh) {
         // dragEl shadow (target move distance shadow)
         if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
@@ -2615,26 +2288,22 @@ function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, inv
       }
     }
   }
-
   invert = invert || invertSwap;
-
   if (invert) {
     // Invert of regular
     if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
       return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
     }
   }
-
   return 0;
 }
+
 /**
  * Gets the direction dragEl must be swapped relative to target in order to make it
  * seem that dragEl has been "inserted" into that element's position
  * @param  {HTMLElement} target       The target whose position dragEl is being inserted at
  * @return {Number}                   Direction dragEl must be swapped
  */
-
-
 function _getInsertDirection(target) {
   if (index(dragEl) < index(target)) {
     return 1;
@@ -2642,55 +2311,48 @@ function _getInsertDirection(target) {
     return -1;
   }
 }
+
 /**
  * Generate id
  * @param   {HTMLElement} el
  * @returns {String}
  * @private
  */
-
-
 function _generateId(el) {
   var str = el.tagName + el.className + el.src + el.href + el.textContent,
-      i = str.length,
-      sum = 0;
-
+    i = str.length,
+    sum = 0;
   while (i--) {
     sum += str.charCodeAt(i);
   }
-
   return sum.toString(36);
 }
-
 function _saveInputCheckedState(root) {
   savedInputChecked.length = 0;
   var inputs = root.getElementsByTagName('input');
   var idx = inputs.length;
-
   while (idx--) {
     var el = inputs[idx];
     el.checked && savedInputChecked.push(el);
   }
 }
-
 function _nextTick(fn) {
   return setTimeout(fn, 0);
 }
-
 function _cancelNextTick(id) {
   return clearTimeout(id);
-} // Fixed #973:
-
+}
 
+// Fixed #973:
 if (documentExists) {
   on(document, 'touchmove', function (evt) {
     if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
       evt.preventDefault();
     }
   });
-} // Export utils
-
+}
 
+// Export utils
 Sortable.utils = {
   on: on,
   off: off,
@@ -2710,59 +2372,54 @@ Sortable.utils = {
   detectDirection: _detectDirection,
   getChild: getChild
 };
+
 /**
  * Get the Sortable instance of an element
  * @param  {HTMLElement} element The element
  * @return {Sortable|undefined}         The instance of Sortable
  */
-
 Sortable.get = function (element) {
   return element[expando];
 };
+
 /**
  * Mount a plugin to Sortable
  * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
  */
-
-
 Sortable.mount = function () {
   for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
     plugins[_key] = arguments[_key];
   }
-
   if (plugins[0].constructor === Array) plugins = plugins[0];
   plugins.forEach(function (plugin) {
     if (!plugin.prototype || !plugin.prototype.constructor) {
       throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
-
     if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
     PluginManager.mount(plugin);
   });
 };
+
 /**
  * Create sortable instance
  * @param {HTMLElement}  el
  * @param {Object}      [options]
  */
-
-
 Sortable.create = function (el, options) {
   return new Sortable(el, options);
-}; // Export
-
+};
 
+// Export
 Sortable.version = version;
 
 var autoScrolls = [],
-    scrollEl,
-    scrollRootEl,
-    scrolling = false,
-    lastAutoScrollX,
-    lastAutoScrollY,
-    touchEvt$1,
-    pointerElemChangedInterval;
-
+  scrollEl,
+  scrollRootEl,
+  scrolling = false,
+  lastAutoScrollX,
+  lastAutoScrollY,
+  touchEvt$1,
+  pointerElemChangedInterval;
 function AutoScrollPlugin() {
   function AutoScroll() {
     this.defaults = {
@@ -2771,19 +2428,18 @@ function AutoScrollPlugin() {
       scrollSensitivity: 30,
       scrollSpeed: 10,
       bubbleScroll: true
-    }; // Bind all private methods
+    };
 
+    // Bind all private methods
     for (var fn in this) {
       if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
         this[fn] = this[fn].bind(this);
       }
     }
   }
-
   AutoScroll.prototype = {
     dragStarted: function dragStarted(_ref) {
       var originalEvent = _ref.originalEvent;
-
       if (this.sortable.nativeDraggable) {
         on(document, 'dragover', this._handleAutoScroll);
       } else {
@@ -2798,7 +2454,6 @@ function AutoScrollPlugin() {
     },
     dragOverCompleted: function dragOverCompleted(_ref2) {
       var originalEvent = _ref2.originalEvent;
-
       // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
       if (!this.options.dragOverBubble && !originalEvent.rootEl) {
         this._handleAutoScroll(originalEvent);
@@ -2812,7 +2467,6 @@ function AutoScrollPlugin() {
         off(document, 'touchmove', this._handleFallbackAutoScroll);
         off(document, 'mousemove', this._handleFallbackAutoScroll);
       }
-
       clearPointerElemChangedInterval();
       clearAutoScrolls();
       cancelThrottle();
@@ -2826,31 +2480,29 @@ function AutoScrollPlugin() {
     },
     _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
       var _this = this;
-
       var x = (evt.touches ? evt.touches[0] : evt).clientX,
-          y = (evt.touches ? evt.touches[0] : evt).clientY,
-          elem = document.elementFromPoint(x, y);
-      touchEvt$1 = evt; // IE does not seem to have native autoscroll,
+        y = (evt.touches ? evt.touches[0] : evt).clientY,
+        elem = document.elementFromPoint(x, y);
+      touchEvt$1 = evt;
+
+      // IE does not seem to have native autoscroll,
       // Edge's autoscroll seems too conditional,
       // MACOS Safari does not have autoscroll,
       // Firefox and Chrome are good
-
       if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
-        autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
+        autoScroll(evt, this.options, elem, fallback);
 
+        // Listener for pointer element change
         var ogElemScroller = getParentAutoScrollElement(elem, true);
-
         if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
-          pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour
-
+          pointerElemChangedInterval && clearPointerElemChangedInterval();
+          // Detect for pointer elem change, emulating native DnD behaviour
           pointerElemChangedInterval = setInterval(function () {
             var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);
-
             if (newElem !== ogElemScroller) {
               ogElemScroller = newElem;
               clearAutoScrolls();
             }
-
             autoScroll(evt, _this.options, newElem, fallback);
           }, 10);
           lastAutoScrollX = x;
@@ -2862,7 +2514,6 @@ function AutoScrollPlugin() {
           clearAutoScrolls();
           return;
         }
-
         autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
       }
     }
@@ -2872,60 +2523,54 @@ function AutoScrollPlugin() {
     initializeByDefault: true
   });
 }
-
 function clearAutoScrolls() {
   autoScrolls.forEach(function (autoScroll) {
     clearInterval(autoScroll.pid);
   });
   autoScrolls = [];
 }
-
 function clearPointerElemChangedInterval() {
   clearInterval(pointerElemChangedInterval);
 }
-
 var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
   // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
   if (!options.scroll) return;
   var x = (evt.touches ? evt.touches[0] : evt).clientX,
-      y = (evt.touches ? evt.touches[0] : evt).clientY,
-      sens = options.scrollSensitivity,
-      speed = options.scrollSpeed,
-      winScroller = getWindowScrollingElement();
+    y = (evt.touches ? evt.touches[0] : evt).clientY,
+    sens = options.scrollSensitivity,
+    speed = options.scrollSpeed,
+    winScroller = getWindowScrollingElement();
   var scrollThisInstance = false,
-      scrollCustomFn; // New scroll root, set scrollEl
+    scrollCustomFn;
 
+  // New scroll root, set scrollEl
   if (scrollRootEl !== rootEl) {
     scrollRootEl = rootEl;
     clearAutoScrolls();
     scrollEl = options.scroll;
     scrollCustomFn = options.scrollFn;
-
     if (scrollEl === true) {
       scrollEl = getParentAutoScrollElement(rootEl, true);
     }
   }
-
   var layersOut = 0;
   var currentParent = scrollEl;
-
   do {
     var el = currentParent,
-        rect = getRect(el),
-        top = rect.top,
-        bottom = rect.bottom,
-        left = rect.left,
-        right = rect.right,
-        width = rect.width,
-        height = rect.height,
-        canScrollX = void 0,
-        canScrollY = void 0,
-        scrollWidth = el.scrollWidth,
-        scrollHeight = el.scrollHeight,
-        elCSS = css(el),
-        scrollPosX = el.scrollLeft,
-        scrollPosY = el.scrollTop;
-
+      rect = getRect(el),
+      top = rect.top,
+      bottom = rect.bottom,
+      left = rect.left,
+      right = rect.right,
+      width = rect.width,
+      height = rect.height,
+      canScrollX = void 0,
+      canScrollY = void 0,
+      scrollWidth = el.scrollWidth,
+      scrollHeight = el.scrollHeight,
+      elCSS = css(el),
+      scrollPosX = el.scrollLeft,
+      scrollPosY = el.scrollTop;
     if (el === winScroller) {
       canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
@@ -2933,10 +2578,8 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
       canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
     }
-
     var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
     var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
-
     if (!autoScrolls[layersOut]) {
       for (var i = 0; i <= layersOut; i++) {
         if (!autoScrolls[i]) {
@@ -2944,61 +2587,51 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
         }
       }
     }
-
     if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
       autoScrolls[layersOut].el = el;
       autoScrolls[layersOut].vx = vx;
       autoScrolls[layersOut].vy = vy;
       clearInterval(autoScrolls[layersOut].pid);
-
       if (vx != 0 || vy != 0) {
         scrollThisInstance = true;
         /* jshint loopfunc:true */
-
         autoScrolls[layersOut].pid = setInterval(function () {
           // emulate drag over during autoscroll (fallback), emulating native DnD behaviour
           if (isFallback && this.layer === 0) {
             Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely
-
           }
-
           var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
           var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
-
           if (typeof scrollCustomFn === 'function') {
             if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
               return;
             }
           }
-
           scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
         }.bind({
           layer: layersOut
         }), 24);
       }
     }
-
     layersOut++;
   } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));
-
   scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
 }, 30);
 
 var drop = function drop(_ref) {
   var originalEvent = _ref.originalEvent,
-      putSortable = _ref.putSortable,
-      dragEl = _ref.dragEl,
-      activeSortable = _ref.activeSortable,
-      dispatchSortableEvent = _ref.dispatchSortableEvent,
-      hideGhostForTarget = _ref.hideGhostForTarget,
-      unhideGhostForTarget = _ref.unhideGhostForTarget;
+    putSortable = _ref.putSortable,
+    dragEl = _ref.dragEl,
+    activeSortable = _ref.activeSortable,
+    dispatchSortableEvent = _ref.dispatchSortableEvent,
+    hideGhostForTarget = _ref.hideGhostForTarget,
+    unhideGhostForTarget = _ref.unhideGhostForTarget;
   if (!originalEvent) return;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
   var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
   var target = document.elementFromPoint(touch.clientX, touch.clientY);
   unhideGhostForTarget();
-
   if (toSortable && !toSortable.el.contains(target)) {
     dispatchSortableEvent('spill');
     this.onSpill({
@@ -3007,9 +2640,7 @@ var drop = function drop(_ref) {
     });
   }
 };
-
 function Revert() {}
-
 Revert.prototype = {
   startIndex: null,
   dragStart: function dragStart(_ref2) {
@@ -3018,40 +2649,32 @@ Revert.prototype = {
   },
   onSpill: function onSpill(_ref3) {
     var dragEl = _ref3.dragEl,
-        putSortable = _ref3.putSortable;
+      putSortable = _ref3.putSortable;
     this.sortable.captureAnimationState();
-
     if (putSortable) {
       putSortable.captureAnimationState();
     }
-
     var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
-
     if (nextSibling) {
       this.sortable.el.insertBefore(dragEl, nextSibling);
     } else {
       this.sortable.el.appendChild(dragEl);
     }
-
     this.sortable.animateAll();
-
     if (putSortable) {
       putSortable.animateAll();
     }
   },
   drop: drop
 };
-
 _extends(Revert, {
   pluginName: 'revertOnSpill'
 });
-
 function Remove() {}
-
 Remove.prototype = {
   onSpill: function onSpill(_ref4) {
     var dragEl = _ref4.dragEl,
-        putSortable = _ref4.putSortable;
+      putSortable = _ref4.putSortable;
     var parentSortable = putSortable || this.sortable;
     parentSortable.captureAnimationState();
     dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
@@ -3059,20 +2682,17 @@ Remove.prototype = {
   },
   drop: drop
 };
-
 _extends(Remove, {
   pluginName: 'removeOnSpill'
 });
 
 var lastSwapEl;
-
 function SwapPlugin() {
   function Swap() {
     this.defaults = {
       swapClass: 'sortable-swap-highlight'
     };
   }
-
   Swap.prototype = {
     dragStart: function dragStart(_ref) {
       var dragEl = _ref.dragEl;
@@ -3080,42 +2700,37 @@ function SwapPlugin() {
     },
     dragOverValid: function dragOverValid(_ref2) {
       var completed = _ref2.completed,
-          target = _ref2.target,
-          onMove = _ref2.onMove,
-          activeSortable = _ref2.activeSortable,
-          changed = _ref2.changed,
-          cancel = _ref2.cancel;
+        target = _ref2.target,
+        onMove = _ref2.onMove,
+        activeSortable = _ref2.activeSortable,
+        changed = _ref2.changed,
+        cancel = _ref2.cancel;
       if (!activeSortable.options.swap) return;
       var el = this.sortable.el,
-          options = this.options;
-
+        options = this.options;
       if (target && target !== el) {
         var prevSwapEl = lastSwapEl;
-
         if (onMove(target) !== false) {
           toggleClass(target, options.swapClass, true);
           lastSwapEl = target;
         } else {
           lastSwapEl = null;
         }
-
         if (prevSwapEl && prevSwapEl !== lastSwapEl) {
           toggleClass(prevSwapEl, options.swapClass, false);
         }
       }
-
       changed();
       completed(true);
       cancel();
     },
     drop: function drop(_ref3) {
       var activeSortable = _ref3.activeSortable,
-          putSortable = _ref3.putSortable,
-          dragEl = _ref3.dragEl;
+        putSortable = _ref3.putSortable,
+        dragEl = _ref3.dragEl;
       var toSortable = putSortable || this.sortable;
       var options = this.options;
       lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
-
       if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
         if (dragEl !== lastSwapEl) {
           toSortable.captureAnimationState();
@@ -3139,38 +2754,34 @@ function SwapPlugin() {
     }
   });
 }
-
 function swapNodes(n1, n2) {
   var p1 = n1.parentNode,
-      p2 = n2.parentNode,
-      i1,
-      i2;
+    p2 = n2.parentNode,
+    i1,
+    i2;
   if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
   i1 = index(n1);
   i2 = index(n2);
-
   if (p1.isEqualNode(p2) && i1 < i2) {
     i2++;
   }
-
   p1.insertBefore(n2, p1.children[i1]);
   p2.insertBefore(n1, p2.children[i2]);
 }
 
 var multiDragElements = [],
-    multiDragClones = [],
-    lastMultiDragSelect,
-    // for selection with modifier key down (SHIFT)
-multiDragSortable,
-    initialFolding = false,
-    // Initial multi-drag fold when drag started
-folding = false,
-    // Folding any other time
-dragStarted = false,
-    dragEl$1,
-    clonesFromRect,
-    clonesHidden;
-
+  multiDragClones = [],
+  lastMultiDragSelect,
+  // for selection with modifier key down (SHIFT)
+  multiDragSortable,
+  initialFolding = false,
+  // Initial multi-drag fold when drag started
+  folding = false,
+  // Folding any other time
+  dragStarted = false,
+  dragEl$1,
+  clonesFromRect,
+  clonesHidden;
 function MultiDragPlugin() {
   function MultiDrag(sortable) {
     // Bind all private methods
@@ -3179,7 +2790,6 @@ function MultiDragPlugin() {
         this[fn] = this[fn].bind(this);
       }
     }
-
     if (!sortable.options.avoidImplicitDeselect) {
       if (sortable.options.supportPointer) {
         on(document, 'pointerup', this._deselectMultiDrag);
@@ -3188,7 +2798,6 @@ function MultiDragPlugin() {
         on(document, 'touchend', this._deselectMultiDrag);
       }
     }
-
     on(document, 'keydown', this._checkKeyDown);
     on(document, 'keyup', this._checkKeyUp);
     this.defaults = {
@@ -3197,7 +2806,6 @@ function MultiDragPlugin() {
       avoidImplicitDeselect: false,
       setData: function setData(dataTransfer, dragEl) {
         var data = '';
-
         if (multiDragElements.length && multiDragSortable === sortable) {
           multiDragElements.forEach(function (multiDragElement, i) {
             data += (!i ? '' : ', ') + multiDragElement.textContent;
@@ -3205,12 +2813,10 @@ function MultiDragPlugin() {
         } else {
           data = dragEl.textContent;
         }
-
         dataTransfer.setData('Text', data);
       }
     };
   }
-
   MultiDrag.prototype = {
     multiDragKeyDown: false,
     isMultiDrag: false,
@@ -3223,9 +2829,8 @@ function MultiDragPlugin() {
     },
     setupClone: function setupClone(_ref2) {
       var sortable = _ref2.sortable,
-          cancel = _ref2.cancel;
+        cancel = _ref2.cancel;
       if (!this.isMultiDrag) return;
-
       for (var i = 0; i < multiDragElements.length; i++) {
         multiDragClones.push(clone(multiDragElements[i]));
         multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
@@ -3234,18 +2839,15 @@ function MultiDragPlugin() {
         toggleClass(multiDragClones[i], this.options.selectedClass, false);
         multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
       }
-
       sortable._hideClone();
-
       cancel();
     },
     clone: function clone(_ref3) {
       var sortable = _ref3.sortable,
-          rootEl = _ref3.rootEl,
-          dispatchSortableEvent = _ref3.dispatchSortableEvent,
-          cancel = _ref3.cancel;
+        rootEl = _ref3.rootEl,
+        dispatchSortableEvent = _ref3.dispatchSortableEvent,
+        cancel = _ref3.cancel;
       if (!this.isMultiDrag) return;
-
       if (!this.options.removeCloneOnHide) {
         if (multiDragElements.length && multiDragSortable === sortable) {
           insertMultiDragClones(true, rootEl);
@@ -3256,8 +2858,8 @@ function MultiDragPlugin() {
     },
     showClone: function showClone(_ref4) {
       var cloneNowShown = _ref4.cloneNowShown,
-          rootEl = _ref4.rootEl,
-          cancel = _ref4.cancel;
+        rootEl = _ref4.rootEl,
+        cancel = _ref4.cancel;
       if (!this.isMultiDrag) return;
       insertMultiDragClones(false, rootEl);
       multiDragClones.forEach(function (clone) {
@@ -3269,14 +2871,12 @@ function MultiDragPlugin() {
     },
     hideClone: function hideClone(_ref5) {
       var _this = this;
-
       var sortable = _ref5.sortable,
-          cloneNowHidden = _ref5.cloneNowHidden,
-          cancel = _ref5.cancel;
+        cloneNowHidden = _ref5.cloneNowHidden,
+        cancel = _ref5.cancel;
       if (!this.isMultiDrag) return;
       multiDragClones.forEach(function (clone) {
         css(clone, 'display', 'none');
-
         if (_this.options.removeCloneOnHide && clone.parentNode) {
           clone.parentNode.removeChild(clone);
         }
@@ -3287,15 +2887,14 @@ function MultiDragPlugin() {
     },
     dragStartGlobal: function dragStartGlobal(_ref6) {
       var sortable = _ref6.sortable;
-
       if (!this.isMultiDrag && multiDragSortable) {
         multiDragSortable.multiDrag._deselectMultiDrag();
       }
-
       multiDragElements.forEach(function (multiDragElement) {
         multiDragElement.sortableIndex = index(multiDragElement);
-      }); // Sort multi-drag elements
+      });
 
+      // Sort multi-drag elements
       multiDragElements = multiDragElements.sort(function (a, b) {
         return a.sortableIndex - b.sortableIndex;
       });
@@ -3303,10 +2902,8 @@ function MultiDragPlugin() {
     },
     dragStarted: function dragStarted(_ref7) {
       var _this2 = this;
-
       var sortable = _ref7.sortable;
       if (!this.isMultiDrag) return;
-
       if (this.options.sort) {
         // Capture rects,
         // hide multi drag elements (by positioning them absolute),
@@ -3314,8 +2911,8 @@ function MultiDragPlugin() {
         // show multi drag elements,
         // animate to rects,
         // unset rects & remove from DOM
-        sortable.captureAnimationState();
 
+        sortable.captureAnimationState();
         if (this.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
@@ -3330,18 +2927,16 @@ function MultiDragPlugin() {
           initialFolding = true;
         }
       }
-
       sortable.animateAll(function () {
         folding = false;
         initialFolding = false;
-
         if (_this2.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
-        } // Remove all auxiliary multidrag items from el, if sorting enabled
-
+        }
 
+        // Remove all auxiliary multidrag items from el, if sorting enabled
         if (_this2.options.sort) {
           removeMultiDragElements();
         }
@@ -3349,9 +2944,8 @@ function MultiDragPlugin() {
     },
     dragOver: function dragOver(_ref8) {
       var target = _ref8.target,
-          completed = _ref8.completed,
-          cancel = _ref8.cancel;
-
+        completed = _ref8.completed,
+        cancel = _ref8.cancel;
       if (folding && ~multiDragElements.indexOf(target)) {
         completed(false);
         cancel();
@@ -3359,10 +2953,9 @@ function MultiDragPlugin() {
     },
     revert: function revert(_ref9) {
       var fromSortable = _ref9.fromSortable,
-          rootEl = _ref9.rootEl,
-          sortable = _ref9.sortable,
-          dragRect = _ref9.dragRect;
-
+        rootEl = _ref9.rootEl,
+        sortable = _ref9.sortable,
+        dragRect = _ref9.dragRect;
       if (multiDragElements.length > 1) {
         // Setup unfold animation
         multiDragElements.forEach(function (multiDragElement) {
@@ -3380,47 +2973,44 @@ function MultiDragPlugin() {
     },
     dragOverCompleted: function dragOverCompleted(_ref10) {
       var sortable = _ref10.sortable,
-          isOwner = _ref10.isOwner,
-          insertion = _ref10.insertion,
-          activeSortable = _ref10.activeSortable,
-          parentEl = _ref10.parentEl,
-          putSortable = _ref10.putSortable;
+        isOwner = _ref10.isOwner,
+        insertion = _ref10.insertion,
+        activeSortable = _ref10.activeSortable,
+        parentEl = _ref10.parentEl,
+        putSortable = _ref10.putSortable;
       var options = this.options;
-
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
         if (isOwner) {
           activeSortable._hideClone();
         }
-
-        initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location
-
+        initialFolding = false;
+        // If leaving sort:false root, or already folding - Fold to new location
         if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
           // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
           var dragRectAbsolute = getRect(dragEl$1, false, true, true);
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
-            setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
-            // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
+            setRect(multiDragElement, dragRectAbsolute);
 
+            // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
+            // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
             parentEl.appendChild(multiDragElement);
           });
           folding = true;
-        } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
-
+        }
 
+        // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
         if (!isOwner) {
           // Only remove if not folding (folding will remove them anyways)
           if (!folding) {
             removeMultiDragElements();
           }
-
           if (multiDragElements.length > 1) {
             var clonesHiddenBefore = clonesHidden;
+            activeSortable._showClone(sortable);
 
-            activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden
-
-
+            // Unfold animation for clones if showing from hidden
             if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
               multiDragClones.forEach(function (clone) {
                 activeSortable.addAnimationState({
@@ -3439,12 +3029,11 @@ function MultiDragPlugin() {
     },
     dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
       var dragRect = _ref11.dragRect,
-          isOwner = _ref11.isOwner,
-          activeSortable = _ref11.activeSortable;
+        isOwner = _ref11.isOwner,
+        activeSortable = _ref11.activeSortable;
       multiDragElements.forEach(function (multiDragElement) {
         multiDragElement.thisAnimationDuration = null;
       });
-
       if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
         clonesFromRect = _extends({}, dragRect);
         var dragMatrix = matrix(dragEl$1, true);
@@ -3460,24 +3049,23 @@ function MultiDragPlugin() {
     },
     drop: function drop(_ref12) {
       var evt = _ref12.originalEvent,
-          rootEl = _ref12.rootEl,
-          parentEl = _ref12.parentEl,
-          sortable = _ref12.sortable,
-          dispatchSortableEvent = _ref12.dispatchSortableEvent,
-          oldIndex = _ref12.oldIndex,
-          putSortable = _ref12.putSortable;
+        rootEl = _ref12.rootEl,
+        parentEl = _ref12.parentEl,
+        sortable = _ref12.sortable,
+        dispatchSortableEvent = _ref12.dispatchSortableEvent,
+        oldIndex = _ref12.oldIndex,
+        putSortable = _ref12.putSortable;
       var toSortable = putSortable || this.sortable;
       if (!evt) return;
       var options = this.options,
-          children = parentEl.children; // Multi-drag selection
+        children = parentEl.children;
 
+      // Multi-drag selection
       if (!dragStarted) {
         if (options.multiDragKey && !this.multiDragKeyDown) {
           this._deselectMultiDrag();
         }
-
         toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));
-
         if (!~multiDragElements.indexOf(dragEl$1)) {
           multiDragElements.push(dragEl$1);
           dispatchEvent({
@@ -3486,17 +3074,16 @@ function MultiDragPlugin() {
             name: 'select',
             targetEl: dragEl$1,
             originalEvent: evt
-          }); // Modifier activated, select from last to dragEl
+          });
 
+          // Modifier activated, select from last to dragEl
           if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
             var lastIndex = index(lastMultiDragSelect),
-                currentIndex = index(dragEl$1);
-
+              currentIndex = index(dragEl$1);
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
               // Must include lastMultiDragSelect (select it), in case modified selection from no selection
               // (but previous selection existed)
               var n, i;
-
               if (currentIndex > lastIndex) {
                 i = lastIndex;
                 n = currentIndex;
@@ -3504,7 +3091,6 @@ function MultiDragPlugin() {
                 i = currentIndex;
                 n = lastIndex + 1;
               }
-
               for (; i < n; i++) {
                 if (~multiDragElements.indexOf(children[i])) continue;
                 toggleClass(children[i], options.selectedClass, true);
@@ -3521,7 +3107,6 @@ function MultiDragPlugin() {
           } else {
             lastMultiDragSelect = dragEl$1;
           }
-
           multiDragSortable = toSortable;
         } else {
           multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
@@ -3534,38 +3119,37 @@ function MultiDragPlugin() {
             originalEvent: evt
           });
         }
-      } // Multi-drag drop
-
+      }
 
+      // Multi-drag drop
       if (dragStarted && this.isMultiDrag) {
-        folding = false; // Do not "unfold" after around dragEl if reverted
-
+        folding = false;
+        // Do not "unfold" after around dragEl if reverted
         if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
           var dragRect = getRect(dragEl$1),
-              multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
+            multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
           if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
           toSortable.captureAnimationState();
-
           if (!initialFolding) {
             if (options.animation) {
               dragEl$1.fromRect = dragRect;
               multiDragElements.forEach(function (multiDragElement) {
                 multiDragElement.thisAnimationDuration = null;
-
                 if (multiDragElement !== dragEl$1) {
                   var rect = folding ? getRect(multiDragElement) : dragRect;
-                  multiDragElement.fromRect = rect; // Prepare unfold animation
+                  multiDragElement.fromRect = rect;
 
+                  // Prepare unfold animation
                   toSortable.addAnimationState({
                     target: multiDragElement,
                     rect: rect
                   });
                 }
               });
-            } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
-            // properly they must all be removed
-
+            }
 
+            // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
+            // properly they must all be removed
             removeMultiDragElements();
             multiDragElements.forEach(function (multiDragElement) {
               if (children[multiDragIndex]) {
@@ -3573,12 +3157,12 @@ function MultiDragPlugin() {
               } else {
                 parentEl.appendChild(multiDragElement);
               }
-
               multiDragIndex++;
-            }); // If initial folding is done, the elements may have changed position because they are now
+            });
+
+            // If initial folding is done, the elements may have changed position because they are now
             // unfolding around dragEl, even though dragEl may not have his index changed, so update event
             // must be fired here as Sortable will not.
-
             if (oldIndex === index(dragEl$1)) {
               var update = false;
               multiDragElements.forEach(function (multiDragElement) {
@@ -3587,24 +3171,23 @@ function MultiDragPlugin() {
                   return;
                 }
               });
-
               if (update) {
                 dispatchSortableEvent('update');
+                dispatchSortableEvent('sort');
               }
             }
-          } // Must be done after capturing individual rects (scroll bar)
-
+          }
 
+          // Must be done after capturing individual rects (scroll bar)
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
           toSortable.animateAll();
         }
-
         multiDragSortable = toSortable;
-      } // Remove clones if necessary
-
+      }
 
+      // Remove clones if necessary
       if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
         multiDragClones.forEach(function (clone) {
           clone.parentNode && clone.parentNode.removeChild(clone);
@@ -3617,7 +3200,6 @@ function MultiDragPlugin() {
     },
     destroyGlobal: function destroyGlobal() {
       this._deselectMultiDrag();
-
       off(document, 'pointerup', this._deselectMultiDrag);
       off(document, 'mouseup', this._deselectMultiDrag);
       off(document, 'touchend', this._deselectMultiDrag);
@@ -3625,14 +3207,16 @@ function MultiDragPlugin() {
       off(document, 'keyup', this._checkKeyUp);
     },
     _deselectMultiDrag: function _deselectMultiDrag(evt) {
-      if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
+      if (typeof dragStarted !== "undefined" && dragStarted) return;
 
-      if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
+      // Only deselect if selection is in this sortable
+      if (multiDragSortable !== this.sortable) return;
 
-      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+      // Only deselect if target is not item in this sortable
+      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return;
 
+      // Only deselect if left click
       if (evt && evt.button !== 0) return;
-
       while (multiDragElements.length) {
         var el = multiDragElements[0];
         toggleClass(el, this.options.selectedClass, false);
@@ -3668,24 +3252,20 @@ function MultiDragPlugin() {
       select: function select(el) {
         var sortable = el.parentNode[expando];
         if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;
-
         if (multiDragSortable && multiDragSortable !== sortable) {
           multiDragSortable.multiDrag._deselectMultiDrag();
-
           multiDragSortable = sortable;
         }
-
         toggleClass(el, sortable.options.selectedClass, true);
         multiDragElements.push(el);
       },
-
       /**
        * Deselects the provided multi-drag item
        * @param  {HTMLElement} el    The element to be deselected
        */
       deselect: function deselect(el) {
         var sortable = el.parentNode[expando],
-            index = multiDragElements.indexOf(el);
+          index = multiDragElements.indexOf(el);
         if (!sortable || !sortable.options.multiDrag || !~index) return;
         toggleClass(el, sortable.options.selectedClass, false);
         multiDragElements.splice(index, 1);
@@ -3693,17 +3273,16 @@ function MultiDragPlugin() {
     },
     eventProperties: function eventProperties() {
       var _this3 = this;
-
       var oldIndicies = [],
-          newIndicies = [];
+        newIndicies = [];
       multiDragElements.forEach(function (multiDragElement) {
         oldIndicies.push({
           multiDragElement: multiDragElement,
           index: multiDragElement.sortableIndex
-        }); // multiDragElements will already be sorted if folding
+        });
 
+        // multiDragElements will already be sorted if folding
         var newIndex;
-
         if (folding && multiDragElement !== dragEl$1) {
           newIndex = -1;
         } else if (folding) {
@@ -3711,7 +3290,6 @@ function MultiDragPlugin() {
         } else {
           newIndex = index(multiDragElement);
         }
-
         newIndicies.push({
           multiDragElement: multiDragElement,
           index: newIndex
@@ -3727,23 +3305,19 @@ function MultiDragPlugin() {
     optionListeners: {
       multiDragKey: function multiDragKey(key) {
         key = key.toLowerCase();
-
         if (key === 'ctrl') {
           key = 'Control';
         } else if (key.length > 1) {
           key = key.charAt(0).toUpperCase() + key.substr(1);
         }
-
         return key;
       }
     }
   });
 }
-
 function insertMultiDragElements(clonesInserted, rootEl) {
   multiDragElements.forEach(function (multiDragElement, i) {
     var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
-
     if (target) {
       rootEl.insertBefore(multiDragElement, target);
     } else {
@@ -3751,17 +3325,15 @@ function insertMultiDragElements(clonesInserted, rootEl) {
     }
   });
 }
+
 /**
  * Insert multi-drag clones
  * @param  {[Boolean]} elementsInserted  Whether the multi-drag elements are inserted
  * @param  {HTMLElement} rootEl
  */
-
-
 function insertMultiDragClones(elementsInserted, rootEl) {
   multiDragClones.forEach(function (clone, i) {
     var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
-
     if (target) {
       rootEl.insertBefore(clone, target);
     } else {
@@ -3769,7 +3341,6 @@ function insertMultiDragClones(elementsInserted, rootEl) {
     }
   });
 }
-
 function removeMultiDragElements() {
   multiDragElements.forEach(function (multiDragElement) {
     if (multiDragElement === dragEl$1) return;
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index b04c8b463..049d77c7f 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,31 +1,25 @@
 /**!
- * Sortable 1.15.0
+ * Sortable 1.15.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
 function ownKeys(object, enumerableOnly) {
   var keys = Object.keys(object);
-
   if (Object.getOwnPropertySymbols) {
     var symbols = Object.getOwnPropertySymbols(object);
-
     if (enumerableOnly) {
       symbols = symbols.filter(function (sym) {
         return Object.getOwnPropertyDescriptor(object, sym).enumerable;
       });
     }
-
     keys.push.apply(keys, symbols);
   }
-
   return keys;
 }
-
 function _objectSpread2(target) {
   for (var i = 1; i < arguments.length; i++) {
     var source = arguments[i] != null ? arguments[i] : {};
-
     if (i % 2) {
       ownKeys(Object(source), true).forEach(function (key) {
         _defineProperty(target, key, source[key]);
@@ -38,10 +32,8 @@ function _objectSpread2(target) {
       });
     }
   }
-
   return target;
 }
-
 function _typeof(obj) {
   "@babel/helpers - typeof";
 
@@ -54,10 +46,8 @@ function _typeof(obj) {
       return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
     };
   }
-
   return _typeof(obj);
 }
-
 function _defineProperty(obj, key, value) {
   if (key in obj) {
     Object.defineProperty(obj, key, {
@@ -69,53 +59,40 @@ function _defineProperty(obj, key, value) {
   } else {
     obj[key] = value;
   }
-
   return obj;
 }
-
 function _extends() {
   _extends = Object.assign || function (target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i];
-
       for (var key in source) {
         if (Object.prototype.hasOwnProperty.call(source, key)) {
           target[key] = source[key];
         }
       }
     }
-
     return target;
   };
-
   return _extends.apply(this, arguments);
 }
-
 function _objectWithoutPropertiesLoose(source, excluded) {
   if (source == null) return {};
   var target = {};
   var sourceKeys = Object.keys(source);
   var key, i;
-
   for (i = 0; i < sourceKeys.length; i++) {
     key = sourceKeys[i];
     if (excluded.indexOf(key) >= 0) continue;
     target[key] = source[key];
   }
-
   return target;
 }
-
 function _objectWithoutProperties(source, excluded) {
   if (source == null) return {};
-
   var target = _objectWithoutPropertiesLoose(source, excluded);
-
   var key, i;
-
   if (Object.getOwnPropertySymbols) {
     var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-
     for (i = 0; i < sourceSymbolKeys.length; i++) {
       key = sourceSymbolKeys[i];
       if (excluded.indexOf(key) >= 0) continue;
@@ -123,22 +100,17 @@ function _objectWithoutProperties(source, excluded) {
       target[key] = source[key];
     }
   }
-
   return target;
 }
-
 function _toConsumableArray(arr) {
   return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
 }
-
 function _arrayWithoutHoles(arr) {
   if (Array.isArray(arr)) return _arrayLikeToArray(arr);
 }
-
 function _iterableToArray(iter) {
   if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
 }
-
 function _unsupportedIterableToArray(o, minLen) {
   if (!o) return;
   if (typeof o === "string") return _arrayLikeToArray(o, minLen);
@@ -147,27 +119,22 @@ function _unsupportedIterableToArray(o, minLen) {
   if (n === "Map" || n === "Set") return Array.from(o);
   if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
 }
-
 function _arrayLikeToArray(arr, len) {
   if (len == null || len > arr.length) len = arr.length;
-
   for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-
   return arr2;
 }
-
 function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.0";
+var version = "1.15.1";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
     return !! /*@__PURE__*/navigator.userAgent.match(pattern);
   }
 }
-
 var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
 var Edge = userAgent(/Edge/i);
 var FireFox = userAgent(/firefox/i);
@@ -179,23 +146,15 @@ var captureMode = {
   capture: false,
   passive: false
 };
-
 function on(el, event, fn) {
   el.addEventListener(event, fn, !IE11OrLess && captureMode);
 }
-
 function off(el, event, fn) {
   el.removeEventListener(event, fn, !IE11OrLess && captureMode);
 }
-
-function matches(
-/**HTMLElement*/
-el,
-/**String*/
-selector) {
+function matches( /**HTMLElement*/el, /**String*/selector) {
   if (!selector) return;
   selector[0] === '>' && (selector = selector.substring(1));
-
   if (el) {
     try {
       if (el.matches) {
@@ -209,39 +168,25 @@ selector) {
       return false;
     }
   }
-
   return false;
 }
-
 function getParentOrHost(el) {
   return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
 }
-
-function closest(
-/**HTMLElement*/
-el,
-/**String*/
-selector,
-/**HTMLElement*/
-ctx, includeCTX) {
+function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
   if (el) {
     ctx = ctx || document;
-
     do {
       if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
         return el;
       }
-
       if (el === ctx) break;
       /* jshint boss:true */
     } while (el = getParentOrHost(el));
   }
-
   return null;
 }
-
 var R_SPACE = /\s+/g;
-
 function toggleClass(el, name, state) {
   if (el && name) {
     if (el.classList) {
@@ -252,10 +197,8 @@ function toggleClass(el, name, state) {
     }
   }
 }
-
 function css(el, prop, val) {
   var style = el && el.style;
-
   if (style) {
     if (val === void 0) {
       if (document.defaultView && document.defaultView.getComputedStyle) {
@@ -263,68 +206,55 @@ function css(el, prop, val) {
       } else if (el.currentStyle) {
         val = el.currentStyle;
       }
-
       return prop === void 0 ? val : val[prop];
     } else {
       if (!(prop in style) && prop.indexOf('webkit') === -1) {
         prop = '-webkit-' + prop;
       }
-
       style[prop] = val + (typeof val === 'string' ? '' : 'px');
     }
   }
 }
-
 function matrix(el, selfOnly) {
   var appliedTransforms = '';
-
   if (typeof el === 'string') {
     appliedTransforms = el;
   } else {
     do {
       var transform = css(el, 'transform');
-
       if (transform && transform !== 'none') {
         appliedTransforms = transform + ' ' + appliedTransforms;
       }
       /* jshint boss:true */
-
     } while (!selfOnly && (el = el.parentNode));
   }
-
   var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
   /*jshint -W056 */
-
   return matrixFn && new matrixFn(appliedTransforms);
 }
-
 function find(ctx, tagName, iterator) {
   if (ctx) {
     var list = ctx.getElementsByTagName(tagName),
-        i = 0,
-        n = list.length;
-
+      i = 0,
+      n = list.length;
     if (iterator) {
       for (; i < n; i++) {
         iterator(list[i], i);
       }
     }
-
     return list;
   }
-
   return [];
 }
-
 function getWindowScrollingElement() {
   var scrollingElement = document.scrollingElement;
-
   if (scrollingElement) {
     return scrollingElement;
   } else {
     return document.documentElement;
   }
 }
+
 /**
  * Returns the "bounding client rect" of given element
  * @param  {HTMLElement} el                       The element whose boundingClientRect is wanted
@@ -334,12 +264,9 @@ function getWindowScrollingElement() {
  * @param  {[HTMLElement]} container              The parent the element will be placed in
  * @return {Object}                               The boundingClientRect of el, with specified adjustments
  */
-
-
 function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
   if (!el.getBoundingClientRect && el !== window) return;
   var elRect, top, left, bottom, right, height, width;
-
   if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
     elRect = el.getBoundingClientRect();
     top = elRect.top;
@@ -356,17 +283,18 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
     height = window.innerHeight;
     width = window.innerWidth;
   }
-
   if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
     // Adjust for translate()
-    container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
-    // Not needed on <= IE11
+    container = container || el.parentNode;
 
+    // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
+    // Not needed on <= IE11
     if (!IE11OrLess) {
       do {
         if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
-          var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container
+          var containerRect = container.getBoundingClientRect();
 
+          // Set relative to edges of padding box of container
           top -= containerRect.top + parseInt(css(container, 'border-top-width'));
           left -= containerRect.left + parseInt(css(container, 'border-left-width'));
           bottom = top + elRect.height;
@@ -374,17 +302,14 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
           break;
         }
         /* jshint boss:true */
-
       } while (container = container.parentNode);
     }
   }
-
   if (undoScale && el !== window) {
     // Adjust for scale()
     var elMatrix = matrix(container || el),
-        scaleX = elMatrix && elMatrix.a,
-        scaleY = elMatrix && elMatrix.d;
-
+      scaleX = elMatrix && elMatrix.a,
+      scaleY = elMatrix && elMatrix.d;
     if (elMatrix) {
       top /= scaleY;
       left /= scaleX;
@@ -394,7 +319,6 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
       right = left + width;
     }
   }
-
   return {
     top: top,
     left: left,
@@ -404,6 +328,27 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
     height: height
   };
 }
+
+/**
+ * Returns the content rect of the element (bounding rect minus border and padding)
+ * @param {HTMLElement} el 
+ */
+function getContentRect(el) {
+  var rect = getRect(el);
+  var paddingLeft = parseInt(css(el, 'padding-left')),
+    paddingTop = parseInt(css(el, 'padding-top')),
+    paddingRight = parseInt(css(el, 'padding-right')),
+    paddingBottom = parseInt(css(el, 'padding-bottom'));
+  rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
+  rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
+  // Client Width/Height includes padding only
+  rect.width = el.clientWidth - paddingLeft - paddingRight;
+  rect.height = el.clientHeight - paddingTop - paddingBottom;
+  rect.bottom = rect.top + rect.height;
+  rect.right = rect.left + rect.width;
+  return rect;
+}
+
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -411,30 +356,26 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
  * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
  * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
  */
-
-
 function isScrolledPast(el, elSide, parentSide) {
   var parent = getParentAutoScrollElement(el, true),
-      elSideVal = getRect(el)[elSide];
-  /* jshint boss:true */
+    elSideVal = getRect(el)[elSide];
 
+  /* jshint boss:true */
   while (parent) {
     var parentSideVal = getRect(parent)[parentSide],
-        visible = void 0;
-
+      visible = void 0;
     if (parentSide === 'top' || parentSide === 'left') {
       visible = elSideVal >= parentSideVal;
     } else {
       visible = elSideVal <= parentSideVal;
     }
-
     if (!visible) return parent;
     if (parent === getWindowScrollingElement()) break;
     parent = getParentAutoScrollElement(parent, false);
   }
-
   return false;
 }
+
 /**
  * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
  * and non-draggable elements
@@ -443,44 +384,36 @@ function isScrolledPast(el, elSide, parentSide) {
  * @param  {Object} options       Parent Sortable's options
  * @return {HTMLElement}          The child at index childNum, or null if not found
  */
-
-
 function getChild(el, childNum, options, includeDragEl) {
   var currentChild = 0,
-      i = 0,
-      children = el.children;
-
+    i = 0,
+    children = el.children;
   while (i < children.length) {
     if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
       if (currentChild === childNum) {
         return children[i];
       }
-
       currentChild++;
     }
-
     i++;
   }
-
   return null;
 }
+
 /**
  * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
  * @param  {HTMLElement} el       Parent element
  * @param  {selector} selector    Any other elements that should be ignored
  * @return {HTMLElement}          The last child, ignoring ghostEl
  */
-
-
 function lastChild(el, selector) {
   var last = el.lastElementChild;
-
   while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
     last = last.previousElementSibling;
   }
-
   return last || null;
 }
+
 /**
  * Returns the index of an element within its parent for a selected set of
  * elements
@@ -488,81 +421,67 @@ function lastChild(el, selector) {
  * @param  {selector} selector
  * @return {number}
  */
-
-
 function index(el, selector) {
   var index = 0;
-
   if (!el || !el.parentNode) {
     return -1;
   }
-  /* jshint boss:true */
-
 
+  /* jshint boss:true */
   while (el = el.previousElementSibling) {
     if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
       index++;
     }
   }
-
   return index;
 }
+
 /**
  * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
  * The value is returned in real pixels.
  * @param  {HTMLElement} el
  * @return {Array}             Offsets in the format of [left, top]
  */
-
-
 function getRelativeScrollOffset(el) {
   var offsetLeft = 0,
-      offsetTop = 0,
-      winScroller = getWindowScrollingElement();
-
+    offsetTop = 0,
+    winScroller = getWindowScrollingElement();
   if (el) {
     do {
       var elMatrix = matrix(el),
-          scaleX = elMatrix.a,
-          scaleY = elMatrix.d;
+        scaleX = elMatrix.a,
+        scaleY = elMatrix.d;
       offsetLeft += el.scrollLeft * scaleX;
       offsetTop += el.scrollTop * scaleY;
     } while (el !== winScroller && (el = el.parentNode));
   }
-
   return [offsetLeft, offsetTop];
 }
+
 /**
  * Returns the index of the object within the given array
  * @param  {Array} arr   Array that may or may not hold the object
  * @param  {Object} obj  An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
  * @return {Number}      The index of the object in the array, or -1
  */
-
-
 function indexOfObject(arr, obj) {
   for (var i in arr) {
     if (!arr.hasOwnProperty(i)) continue;
-
     for (var key in obj) {
       if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
     }
   }
-
   return -1;
 }
-
 function getParentAutoScrollElement(el, includeSelf) {
   // skip to window
   if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
   var elem = el;
   var gotSelf = false;
-
   do {
     // we don't need to get elem css if it isn't even overflowing in the first place (performance)
     if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
       var elemCSS = css(elem);
-
       if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
         if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
         if (gotSelf || includeSelf) return elem;
@@ -570,12 +489,9 @@ function getParentAutoScrollElement(el, includeSelf) {
       }
     }
     /* jshint boss:true */
-
   } while (elem = elem.parentNode);
-
   return getWindowScrollingElement();
 }
-
 function extend(dst, src) {
   if (dst && src) {
     for (var key in src) {
@@ -584,49 +500,39 @@ function extend(dst, src) {
       }
     }
   }
-
   return dst;
 }
-
 function isRectEqual(rect1, rect2) {
   return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
 }
-
 var _throttleTimeout;
-
 function throttle(callback, ms) {
   return function () {
     if (!_throttleTimeout) {
       var args = arguments,
-          _this = this;
-
+        _this = this;
       if (args.length === 1) {
         callback.call(_this, args[0]);
       } else {
         callback.apply(_this, args);
       }
-
       _throttleTimeout = setTimeout(function () {
         _throttleTimeout = void 0;
       }, ms);
     }
   };
 }
-
 function cancelThrottle() {
   clearTimeout(_throttleTimeout);
   _throttleTimeout = void 0;
 }
-
 function scrollBy(el, x, y) {
   el.scrollLeft += x;
   el.scrollTop += y;
 }
-
 function clone(el) {
   var Polymer = window.Polymer;
   var $ = window.jQuery || window.Zepto;
-
   if (Polymer && Polymer.dom) {
     return Polymer.dom(el).cloneNode(true);
   } else if ($) {
@@ -635,7 +541,6 @@ function clone(el) {
     return el.cloneNode(true);
   }
 }
-
 function setRect(el, rect) {
   css(el, 'position', 'absolute');
   css(el, 'top', rect.top);
@@ -643,7 +548,6 @@ function setRect(el, rect) {
   css(el, 'width', rect.width);
   css(el, 'height', rect.height);
 }
-
 function unsetRect(el) {
   css(el, 'position', '');
   css(el, 'top', '');
@@ -651,12 +555,11 @@ function unsetRect(el) {
   css(el, 'width', '');
   css(el, 'height', '');
 }
-
 var expando = 'Sortable' + new Date().getTime();
 
 function AnimationStateManager() {
   var animationStates = [],
-      animationCallbackId;
+    animationCallbackId;
   return {
     captureAnimationState: function captureAnimationState() {
       animationStates = [];
@@ -668,19 +571,16 @@ function AnimationStateManager() {
           target: child,
           rect: getRect(child)
         });
+        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect);
 
-        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
-
-
+        // If animating: compensate for current animation
         if (child.thisAnimationDuration) {
           var childMatrix = matrix(child, true);
-
           if (childMatrix) {
             fromRect.top -= childMatrix.f;
             fromRect.left -= childMatrix.e;
           }
         }
-
         child.fromRect = fromRect;
       });
     },
@@ -694,54 +594,47 @@ function AnimationStateManager() {
     },
     animateAll: function animateAll(callback) {
       var _this = this;
-
       if (!this.options.animation) {
         clearTimeout(animationCallbackId);
         if (typeof callback === 'function') callback();
         return;
       }
-
       var animating = false,
-          animationTime = 0;
+        animationTime = 0;
       animationStates.forEach(function (state) {
         var time = 0,
-            target = state.target,
-            fromRect = target.fromRect,
-            toRect = getRect(target),
-            prevFromRect = target.prevFromRect,
-            prevToRect = target.prevToRect,
-            animatingRect = state.rect,
-            targetMatrix = matrix(target, true);
-
+          target = state.target,
+          fromRect = target.fromRect,
+          toRect = getRect(target),
+          prevFromRect = target.prevFromRect,
+          prevToRect = target.prevToRect,
+          animatingRect = state.rect,
+          targetMatrix = matrix(target, true);
         if (targetMatrix) {
           // Compensate for current animation
           toRect.top -= targetMatrix.f;
           toRect.left -= targetMatrix.e;
         }
-
         target.toRect = toRect;
-
         if (target.thisAnimationDuration) {
           // Could also check if animatingRect is between fromRect and toRect
-          if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
+          if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) &&
+          // Make sure animatingRect is on line between toRect & fromRect
           (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
             // If returning to same place as started from animation and on same axis
             time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
           }
-        } // if fromRect != toRect: animate
-
+        }
 
+        // if fromRect != toRect: animate
         if (!isRectEqual(toRect, fromRect)) {
           target.prevFromRect = fromRect;
           target.prevToRect = toRect;
-
           if (!time) {
             time = _this.options.animation;
           }
-
           _this.animate(target, animatingRect, toRect, time);
         }
-
         if (time) {
           animating = true;
           animationTime = Math.max(animationTime, time);
@@ -757,7 +650,6 @@ function AnimationStateManager() {
         }
       });
       clearTimeout(animationCallbackId);
-
       if (!animating) {
         if (typeof callback === 'function') callback();
       } else {
@@ -765,7 +657,6 @@ function AnimationStateManager() {
           if (typeof callback === 'function') callback();
         }, animationTime);
       }
-
       animationStates = [];
     },
     animate: function animate(target, currentRect, toRect, duration) {
@@ -773,10 +664,10 @@ function AnimationStateManager() {
         css(target, 'transition', '');
         css(target, 'transform', '');
         var elMatrix = matrix(this.el),
-            scaleX = elMatrix && elMatrix.a,
-            scaleY = elMatrix && elMatrix.d,
-            translateX = (currentRect.left - toRect.left) / (scaleX || 1),
-            translateY = (currentRect.top - toRect.top) / (scaleY || 1);
+          scaleX = elMatrix && elMatrix.a,
+          scaleY = elMatrix && elMatrix.d,
+          translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+          translateY = (currentRect.top - toRect.top) / (scaleY || 1);
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -796,11 +687,9 @@ function AnimationStateManager() {
     }
   };
 }
-
 function repaint(target) {
   return target.offsetWidth;
 }
-
 function calculateRealTime(animatingRect, fromRect, toRect, options) {
   return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
 }
@@ -817,7 +706,6 @@ var PluginManager = {
         plugin[option] = defaults[option];
       }
     }
-
     plugins.forEach(function (p) {
       if (p.pluginName === plugin.pluginName) {
         throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
@@ -827,25 +715,22 @@ var PluginManager = {
   },
   pluginEvent: function pluginEvent(eventName, sortable, evt) {
     var _this = this;
-
     this.eventCanceled = false;
-
     evt.cancel = function () {
       _this.eventCanceled = true;
     };
-
     var eventNameGlobal = eventName + 'Global';
     plugins.forEach(function (plugin) {
-      if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
-
+      if (!sortable[plugin.pluginName]) return;
+      // Fire global events if it exists in this sortable
       if (sortable[plugin.pluginName][eventNameGlobal]) {
         sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
           sortable: sortable
         }, evt));
-      } // Only fire plugin event if plugin is enabled in this sortable,
-      // and plugin has event defined
-
+      }
 
+      // Only fire plugin event if plugin is enabled in this sortable,
+      // and plugin has event defined
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
         sortable[plugin.pluginName][eventName](_objectSpread2({
           sortable: sortable
@@ -860,15 +745,14 @@ var PluginManager = {
       var initialized = new plugin(sortable, el, sortable.options);
       initialized.sortable = sortable;
       initialized.options = sortable.options;
-      sortable[pluginName] = initialized; // Add default options from plugin
+      sortable[pluginName] = initialized;
 
+      // Add default options from plugin
       _extends(defaults, initialized.defaults);
     });
-
     for (var option in sortable.options) {
       if (!sortable.options.hasOwnProperty(option)) continue;
       var modified = this.modifyOption(sortable, option, sortable.options[option]);
-
       if (typeof modified !== 'undefined') {
         sortable.options[option] = modified;
       }
@@ -878,7 +762,6 @@ var PluginManager = {
     var eventProperties = {};
     plugins.forEach(function (plugin) {
       if (typeof plugin.eventProperties !== 'function') return;
-
       _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
     });
     return eventProperties;
@@ -887,8 +770,9 @@ var PluginManager = {
     var modifiedValue;
     plugins.forEach(function (plugin) {
       // Plugin must exist on the Sortable
-      if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
+      if (!sortable[plugin.pluginName]) return;
 
+      // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
       if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
         modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
       }
@@ -899,25 +783,25 @@ var PluginManager = {
 
 function dispatchEvent(_ref) {
   var sortable = _ref.sortable,
-      rootEl = _ref.rootEl,
-      name = _ref.name,
-      targetEl = _ref.targetEl,
-      cloneEl = _ref.cloneEl,
-      toEl = _ref.toEl,
-      fromEl = _ref.fromEl,
-      oldIndex = _ref.oldIndex,
-      newIndex = _ref.newIndex,
-      oldDraggableIndex = _ref.oldDraggableIndex,
-      newDraggableIndex = _ref.newDraggableIndex,
-      originalEvent = _ref.originalEvent,
-      putSortable = _ref.putSortable,
-      extraEventProperties = _ref.extraEventProperties;
+    rootEl = _ref.rootEl,
+    name = _ref.name,
+    targetEl = _ref.targetEl,
+    cloneEl = _ref.cloneEl,
+    toEl = _ref.toEl,
+    fromEl = _ref.fromEl,
+    oldIndex = _ref.oldIndex,
+    newIndex = _ref.newIndex,
+    oldDraggableIndex = _ref.oldDraggableIndex,
+    newDraggableIndex = _ref.newDraggableIndex,
+    originalEvent = _ref.originalEvent,
+    putSortable = _ref.putSortable,
+    extraEventProperties = _ref.extraEventProperties;
   sortable = sortable || rootEl && rootEl[expando];
   if (!sortable) return;
   var evt,
-      options = sortable.options,
-      onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
-
+    options = sortable.options,
+    onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
+  // Support for new CustomEvent feature
   if (window.CustomEvent && !IE11OrLess && !Edge) {
     evt = new CustomEvent(name, {
       bubbles: true,
@@ -927,7 +811,6 @@ function dispatchEvent(_ref) {
     evt = document.createEvent('Event');
     evt.initEvent(name, true, true);
   }
-
   evt.to = toEl || rootEl;
   evt.from = fromEl || rootEl;
   evt.item = targetEl || rootEl;
@@ -938,29 +821,23 @@ function dispatchEvent(_ref) {
   evt.newDraggableIndex = newDraggableIndex;
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
-
   var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
-
   for (var option in allEventProperties) {
     evt[option] = allEventProperties[option];
   }
-
   if (rootEl) {
     rootEl.dispatchEvent(evt);
   }
-
   if (options[onName]) {
     options[onName].call(sortable, evt);
   }
 }
 
 var _excluded = ["evt"];
-
 var pluginEvent = function pluginEvent(eventName, sortable) {
   var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-      originalEvent = _ref.evt,
-      data = _objectWithoutProperties(_ref, _excluded);
-
+    originalEvent = _ref.evt,
+    data = _objectWithoutProperties(_ref, _excluded);
   PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
     dragEl: dragEl,
     parentEl: parentEl,
@@ -995,7 +872,6 @@ var pluginEvent = function pluginEvent(eventName, sortable) {
     }
   }, data));
 };
-
 function _dispatchEvent(info) {
   dispatchEvent(_objectSpread2({
     putSortable: putSortable,
@@ -1008,62 +884,61 @@ function _dispatchEvent(info) {
     newDraggableIndex: newDraggableIndex
   }, info));
 }
-
 var dragEl,
-    parentEl,
-    ghostEl,
-    rootEl,
-    nextEl,
-    lastDownEl,
-    cloneEl,
-    cloneHidden,
-    oldIndex,
-    newIndex,
-    oldDraggableIndex,
-    newDraggableIndex,
-    activeGroup,
-    putSortable,
-    awaitingDragStarted = false,
-    ignoreNextClick = false,
-    sortables = [],
-    tapEvt,
-    touchEvt,
-    lastDx,
-    lastDy,
-    tapDistanceLeft,
-    tapDistanceTop,
-    moved,
-    lastTarget,
-    lastDirection,
-    pastFirstInvertThresh = false,
-    isCircumstantialInvert = false,
-    targetMoveDistance,
-    // For positioning ghost absolutely
-ghostRelativeParent,
-    ghostRelativeParentInitialScroll = [],
-    // (left, top)
-_silent = false,
-    savedInputChecked = [];
-/** @const */
+  parentEl,
+  ghostEl,
+  rootEl,
+  nextEl,
+  lastDownEl,
+  cloneEl,
+  cloneHidden,
+  oldIndex,
+  newIndex,
+  oldDraggableIndex,
+  newDraggableIndex,
+  activeGroup,
+  putSortable,
+  awaitingDragStarted = false,
+  ignoreNextClick = false,
+  sortables = [],
+  tapEvt,
+  touchEvt,
+  lastDx,
+  lastDy,
+  tapDistanceLeft,
+  tapDistanceTop,
+  moved,
+  lastTarget,
+  lastDirection,
+  pastFirstInvertThresh = false,
+  isCircumstantialInvert = false,
+  targetMoveDistance,
+  // For positioning ghost absolutely
+  ghostRelativeParent,
+  ghostRelativeParentInitialScroll = [],
+  // (left, top)
+
+  _silent = false,
+  savedInputChecked = [];
 
+/** @const */
 var documentExists = typeof document !== 'undefined',
-    PositionGhostAbsolutely = IOS,
-    CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
-    // This will not pass for IE9, because IE9 DnD only works on anchors
-supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
-    supportCssPointerEvents = function () {
-  if (!documentExists) return; // false when <= IE11
-
-  if (IE11OrLess) {
-    return false;
-  }
-
-  var el = document.createElement('x');
-  el.style.cssText = 'pointer-events:auto';
-  return el.style.pointerEvents === 'auto';
-}(),
-    _detectDirection = function _detectDirection(el, options) {
-  var elCSS = css(el),
+  PositionGhostAbsolutely = IOS,
+  CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
+  // This will not pass for IE9, because IE9 DnD only works on anchors
+  supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+  supportCssPointerEvents = function () {
+    if (!documentExists) return;
+    // false when <= IE11
+    if (IE11OrLess) {
+      return false;
+    }
+    var el = document.createElement('x');
+    el.style.cssText = 'pointer-events:auto';
+    return el.style.pointerEvents === 'auto';
+  }(),
+  _detectDirection = function _detectDirection(el, options) {
+    var elCSS = css(el),
       elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
       child1 = getChild(el, 0, options),
       child2 = getChild(el, 1, options),
@@ -1071,102 +946,92 @@ supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in
       secondChildCSS = child2 && css(child2),
       firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
       secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;
-
-  if (elCSS.display === 'flex') {
-    return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
-  }
-
-  if (elCSS.display === 'grid') {
-    return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
-  }
-
-  if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
-    var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
-    return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
-  }
-
-  return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
-},
-    _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
-  var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
+    if (elCSS.display === 'flex') {
+      return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
+    }
+    if (elCSS.display === 'grid') {
+      return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
+    }
+    if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
+      var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
+      return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
+    }
+    return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
+  },
+  _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
+    var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
       dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
       dragElOppLength = vertical ? dragRect.width : dragRect.height,
       targetS1Opp = vertical ? targetRect.left : targetRect.top,
       targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
       targetOppLength = vertical ? targetRect.width : targetRect.height;
-  return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
-},
-
-/**
- * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
- * @param  {Number} x      X position
- * @param  {Number} y      Y position
- * @return {HTMLElement}   Element of the first found nearest Sortable
- */
-_detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
-  var ret;
-  sortables.some(function (sortable) {
-    var threshold = sortable[expando].options.emptyInsertThreshold;
-    if (!threshold || lastChild(sortable)) return;
-    var rect = getRect(sortable),
+    return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
+  },
+  /**
+   * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
+   * @param  {Number} x      X position
+   * @param  {Number} y      Y position
+   * @return {HTMLElement}   Element of the first found nearest Sortable
+   */
+  _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
+    var ret;
+    sortables.some(function (sortable) {
+      var threshold = sortable[expando].options.emptyInsertThreshold;
+      if (!threshold || lastChild(sortable)) return;
+      var rect = getRect(sortable),
         insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
         insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
-
-    if (insideHorizontally && insideVertically) {
-      return ret = sortable;
-    }
-  });
-  return ret;
-},
-    _prepareGroup = function _prepareGroup(options) {
-  function toFn(value, pull) {
-    return function (to, from, dragEl, evt) {
-      var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
-
-      if (value == null && (pull || sameGroup)) {
-        // Default pull value
-        // Default pull and put value if same group
-        return true;
-      } else if (value == null || value === false) {
-        return false;
-      } else if (pull && value === 'clone') {
-        return value;
-      } else if (typeof value === 'function') {
-        return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
-      } else {
-        var otherGroup = (pull ? to : from).options.group.name;
-        return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+      if (insideHorizontally && insideVertically) {
+        return ret = sortable;
       }
-    };
-  }
-
-  var group = {};
-  var originalGroup = options.group;
-
-  if (!originalGroup || _typeof(originalGroup) != 'object') {
-    originalGroup = {
-      name: originalGroup
-    };
-  }
-
-  group.name = originalGroup.name;
-  group.checkPull = toFn(originalGroup.pull, true);
-  group.checkPut = toFn(originalGroup.put);
-  group.revertClone = originalGroup.revertClone;
-  options.group = group;
-},
-    _hideGhostForTarget = function _hideGhostForTarget() {
-  if (!supportCssPointerEvents && ghostEl) {
-    css(ghostEl, 'display', 'none');
-  }
-},
-    _unhideGhostForTarget = function _unhideGhostForTarget() {
-  if (!supportCssPointerEvents && ghostEl) {
-    css(ghostEl, 'display', '');
-  }
-}; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
-
+    });
+    return ret;
+  },
+  _prepareGroup = function _prepareGroup(options) {
+    function toFn(value, pull) {
+      return function (to, from, dragEl, evt) {
+        var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
+        if (value == null && (pull || sameGroup)) {
+          // Default pull value
+          // Default pull and put value if same group
+          return true;
+        } else if (value == null || value === false) {
+          return false;
+        } else if (pull && value === 'clone') {
+          return value;
+        } else if (typeof value === 'function') {
+          return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
+        } else {
+          var otherGroup = (pull ? to : from).options.group.name;
+          return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+        }
+      };
+    }
+    var group = {};
+    var originalGroup = options.group;
+    if (!originalGroup || _typeof(originalGroup) != 'object') {
+      originalGroup = {
+        name: originalGroup
+      };
+    }
+    group.name = originalGroup.name;
+    group.checkPull = toFn(originalGroup.pull, true);
+    group.checkPut = toFn(originalGroup.put);
+    group.revertClone = originalGroup.revertClone;
+    options.group = group;
+  },
+  _hideGhostForTarget = function _hideGhostForTarget() {
+    if (!supportCssPointerEvents && ghostEl) {
+      css(ghostEl, 'display', 'none');
+    }
+  },
+  _unhideGhostForTarget = function _unhideGhostForTarget() {
+    if (!supportCssPointerEvents && ghostEl) {
+      css(ghostEl, 'display', '');
+    }
+  };
 
+// #1184 fix - Prevent click event on fallback if dragged but item not changed position
 if (documentExists && !ChromeForAndroid) {
   document.addEventListener('click', function (evt) {
     if (ignoreNextClick) {
@@ -1178,53 +1043,44 @@ if (documentExists && !ChromeForAndroid) {
     }
   }, true);
 }
-
 var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
   if (dragEl) {
     evt = evt.touches ? evt.touches[0] : evt;
-
     var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
-
     if (nearest) {
       // Create imitation event
       var event = {};
-
       for (var i in evt) {
         if (evt.hasOwnProperty(i)) {
           event[i] = evt[i];
         }
       }
-
       event.target = event.rootEl = nearest;
       event.preventDefault = void 0;
       event.stopPropagation = void 0;
-
       nearest[expando]._onDragOver(event);
     }
   }
 };
-
 var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
   if (dragEl) {
     dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
   }
 };
+
 /**
  * @class  Sortable
  * @param  {HTMLElement}  el
  * @param  {Object}       [options]
  */
-
-
 function Sortable(el, options) {
   if (!(el && el.nodeType && el.nodeType === 1)) {
     throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
   }
-
   this.el = el; // root element
+  this.options = options = _extends({}, options);
 
-  this.options = options = _extends({}, options); // Export instance
-
+  // Export instance
   el[expando] = this;
   var defaults = {
     group: null,
@@ -1271,52 +1127,48 @@ function Sortable(el, options) {
     supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
     emptyInsertThreshold: 5
   };
-  PluginManager.initializePlugins(this, el, defaults); // Set default options
+  PluginManager.initializePlugins(this, el, defaults);
 
+  // Set default options
   for (var name in defaults) {
     !(name in options) && (options[name] = defaults[name]);
   }
+  _prepareGroup(options);
 
-  _prepareGroup(options); // Bind all private methods
-
-
+  // Bind all private methods
   for (var fn in this) {
     if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
       this[fn] = this[fn].bind(this);
     }
-  } // Setup drag mode
-
+  }
 
+  // Setup drag mode
   this.nativeDraggable = options.forceFallback ? false : supportDraggable;
-
   if (this.nativeDraggable) {
     // Touch start threshold cannot be greater than the native dragstart threshold
     this.options.touchStartThreshold = 1;
-  } // Bind events
-
+  }
 
+  // Bind events
   if (options.supportPointer) {
     on(el, 'pointerdown', this._onTapStart);
   } else {
     on(el, 'mousedown', this._onTapStart);
     on(el, 'touchstart', this._onTapStart);
   }
-
   if (this.nativeDraggable) {
     on(el, 'dragover', this);
     on(el, 'dragenter', this);
   }
+  sortables.push(this.el);
 
-  sortables.push(this.el); // Restore sorting
-
-  options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager
+  // Restore sorting
+  options.store && options.store.get && this.sort(options.store.get(this) || []);
 
+  // Add animation state manager
   _extends(this, AnimationStateManager());
 }
-
-Sortable.prototype =
-/** @lends Sortable.prototype */
-{
+Sortable.prototype = /** @lends Sortable.prototype */{
   constructor: Sortable,
   _isOutsideThisEl: function _isOutsideThisEl(target) {
     if (!this.el.contains(target) && target !== this.el) {
@@ -1326,57 +1178,50 @@ Sortable.prototype =
   _getDirection: function _getDirection(evt, target) {
     return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
   },
-  _onTapStart: function _onTapStart(
-  /** Event|TouchEvent */
-  evt) {
+  _onTapStart: function _onTapStart( /** Event|TouchEvent */evt) {
     if (!evt.cancelable) return;
-
     var _this = this,
-        el = this.el,
-        options = this.options,
-        preventOnFilter = options.preventOnFilter,
-        type = evt.type,
-        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
-        target = (touch || evt).target,
-        originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
-        filter = options.filter;
-
-    _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
-
-
+      el = this.el,
+      options = this.options,
+      preventOnFilter = options.preventOnFilter,
+      type = evt.type,
+      touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
+      target = (touch || evt).target,
+      originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
+      filter = options.filter;
+    _saveInputCheckedState(el);
+
+    // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
     if (dragEl) {
       return;
     }
-
     if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
       return; // only left button and enabled
-    } // cancel dnd if original target is content editable
-
+    }
 
+    // cancel dnd if original target is content editable
     if (originalTarget.isContentEditable) {
       return;
-    } // Safari ignores further event handling after mousedown
-
+    }
 
+    // Safari ignores further event handling after mousedown
     if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
       return;
     }
-
     target = closest(target, options.draggable, el, false);
-
     if (target && target.animated) {
       return;
     }
-
     if (lastDownEl === target) {
       // Ignoring duplicate `down`
       return;
-    } // Get the index of the dragged element within its parent
-
+    }
 
+    // Get the index of the dragged element within its parent
     oldIndex = index(target);
-    oldDraggableIndex = index(target, options.draggable); // Check filter
+    oldDraggableIndex = index(target, options.draggable);
 
+    // Check filter
     if (typeof filter === 'function') {
       if (filter.call(this, evt, target, this)) {
         _dispatchEvent({
@@ -1387,7 +1232,6 @@ Sortable.prototype =
           toEl: el,
           fromEl: el
         });
-
         pluginEvent('filter', _this, {
           evt: evt
         });
@@ -1397,7 +1241,6 @@ Sortable.prototype =
     } else if (filter) {
       filter = filter.split(',').some(function (criteria) {
         criteria = closest(originalTarget, criteria.trim(), el, false);
-
         if (criteria) {
           _dispatchEvent({
             sortable: _this,
@@ -1407,40 +1250,30 @@ Sortable.prototype =
             fromEl: el,
             toEl: el
           });
-
           pluginEvent('filter', _this, {
             evt: evt
           });
           return true;
         }
       });
-
       if (filter) {
         preventOnFilter && evt.cancelable && evt.preventDefault();
         return; // cancel dnd
       }
     }
-
     if (options.handle && !closest(originalTarget, options.handle, el, false)) {
       return;
-    } // Prepare `dragstart`
-
+    }
 
+    // Prepare `dragstart`
     this._prepareDragStart(evt, touch, target);
   },
-  _prepareDragStart: function _prepareDragStart(
-  /** Event */
-  evt,
-  /** Touch */
-  touch,
-  /** HTMLElement */
-  target) {
+  _prepareDragStart: function _prepareDragStart( /** Event */evt, /** Touch */touch, /** HTMLElement */target) {
     var _this = this,
-        el = _this.el,
-        options = _this.options,
-        ownerDocument = el.ownerDocument,
-        dragStartFn;
-
+      el = _this.el,
+      options = _this.options,
+      ownerDocument = el.ownerDocument,
+      dragStartFn;
     if (target && !dragEl && target.parentNode === el) {
       var dragRect = getRect(target);
       rootEl = el;
@@ -1460,41 +1293,36 @@ Sortable.prototype =
       this._lastX = (touch || evt).clientX;
       this._lastY = (touch || evt).clientY;
       dragEl.style['will-change'] = 'all';
-
       dragStartFn = function dragStartFn() {
         pluginEvent('delayEnded', _this, {
           evt: evt
         });
-
         if (Sortable.eventCanceled) {
           _this._onDrop();
-
           return;
-        } // Delayed drag has been triggered
+        }
+        // Delayed drag has been triggered
         // we can re-enable the events: touchmove/mousemove
-
-
         _this._disableDelayedDragEvents();
-
         if (!FireFox && _this.nativeDraggable) {
           dragEl.draggable = true;
-        } // Bind the events: dragstart/dragend
-
-
-        _this._triggerDragStart(evt, touch); // Drag start event
+        }
 
+        // Bind the events: dragstart/dragend
+        _this._triggerDragStart(evt, touch);
 
+        // Drag start event
         _dispatchEvent({
           sortable: _this,
           name: 'choose',
           originalEvent: evt
-        }); // Chosen item
-
+        });
 
+        // Chosen item
         toggleClass(dragEl, options.chosenClass, true);
-      }; // Disable "draggable"
-
+      };
 
+      // Disable "draggable"
       options.ignore.split(',').forEach(function (criteria) {
         find(dragEl, criteria.trim(), _disableDraggable);
       });
@@ -1503,27 +1331,26 @@ Sortable.prototype =
       on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'mouseup', _this._onDrop);
       on(ownerDocument, 'touchend', _this._onDrop);
-      on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)
+      on(ownerDocument, 'touchcancel', _this._onDrop);
 
+      // Make dragEl draggable (must be before delay for FireFox)
       if (FireFox && this.nativeDraggable) {
         this.options.touchStartThreshold = 4;
         dragEl.draggable = true;
       }
-
       pluginEvent('delayStart', this, {
         evt: evt
-      }); // Delay is impossible for native DnD in Edge or IE
+      });
 
+      // Delay is impossible for native DnD in Edge or IE
       if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {
         if (Sortable.eventCanceled) {
           this._onDrop();
-
           return;
-        } // If the user moves the pointer or let go the click or touch
+        }
+        // If the user moves the pointer or let go the click or touch
         // before the delay has been reached:
         // disable the delayed drag
-
-
         on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
         on(ownerDocument, 'touchend', _this._disableDelayedDrag);
         on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
@@ -1536,11 +1363,8 @@ Sortable.prototype =
       }
     }
   },
-  _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(
-  /** TouchEvent|PointerEvent **/
-  e) {
+  _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler( /** TouchEvent|PointerEvent **/e) {
     var touch = e.touches ? e.touches[0] : e;
-
     if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {
       this._disableDelayedDrag();
     }
@@ -1548,7 +1372,6 @@ Sortable.prototype =
   _disableDelayedDrag: function _disableDelayedDrag() {
     dragEl && _disableDraggable(dragEl);
     clearTimeout(this._dragStartTimer);
-
     this._disableDelayedDragEvents();
   },
   _disableDelayedDragEvents: function _disableDelayedDragEvents() {
@@ -1560,13 +1383,8 @@ Sortable.prototype =
     off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
   },
-  _triggerDragStart: function _triggerDragStart(
-  /** Event */
-  evt,
-  /** Touch */
-  touch) {
+  _triggerDragStart: function _triggerDragStart( /** Event */evt, /** Touch */touch) {
     touch = touch || evt.pointerType == 'touch' && evt;
-
     if (!this.nativeDraggable || touch) {
       if (this.options.supportPointer) {
         on(document, 'pointermove', this._onTouchMove);
@@ -1579,7 +1397,6 @@ Sortable.prototype =
       on(dragEl, 'dragend', this);
       on(rootEl, 'dragstart', this._onDragStart);
     }
-
     try {
       if (document.selection) {
         // Timeout neccessary for IE9
@@ -1592,25 +1409,23 @@ Sortable.prototype =
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
-
     awaitingDragStarted = false;
-
     if (rootEl && dragEl) {
       pluginEvent('dragStarted', this, {
         evt: evt
       });
-
       if (this.nativeDraggable) {
         on(document, 'dragover', _checkOutsideTargetEl);
       }
+      var options = this.options;
 
-      var options = this.options; // Apply effect
-
+      // Apply effect
       !fallback && toggleClass(dragEl, options.dragClass, false);
       toggleClass(dragEl, options.ghostClass, true);
       Sortable.active = this;
-      fallback && this._appendGhost(); // Drag start event
+      fallback && this._appendGhost();
 
+      // Drag start event
       _dispatchEvent({
         sortable: this,
         name: 'start',
@@ -1624,20 +1439,15 @@ Sortable.prototype =
     if (touchEvt) {
       this._lastX = touchEvt.clientX;
       this._lastY = touchEvt.clientY;
-
       _hideGhostForTarget();
-
       var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
       var parent = target;
-
       while (target && target.shadowRoot) {
         target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
         if (target === parent) break;
         parent = target;
       }
-
       dragEl.parentNode[expando]._isOutsideThisEl(target);
-
       if (parent) {
         do {
           if (parent[expando]) {
@@ -1648,44 +1458,37 @@ Sortable.prototype =
               target: target,
               rootEl: parent
             });
-
             if (inserted && !this.options.dragoverBubble) {
               break;
             }
           }
-
           target = parent; // store last element
         }
-        /* jshint boss:true */
-        while (parent = parent.parentNode);
+        /* jshint boss:true */ while (parent = parent.parentNode);
       }
-
       _unhideGhostForTarget();
     }
   },
-  _onTouchMove: function _onTouchMove(
-  /**TouchEvent*/
-  evt) {
+  _onTouchMove: function _onTouchMove( /**TouchEvent*/evt) {
     if (tapEvt) {
       var options = this.options,
-          fallbackTolerance = options.fallbackTolerance,
-          fallbackOffset = options.fallbackOffset,
-          touch = evt.touches ? evt.touches[0] : evt,
-          ghostMatrix = ghostEl && matrix(ghostEl, true),
-          scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
-          scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
-          relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
-          dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
-
+        fallbackTolerance = options.fallbackTolerance,
+        fallbackOffset = options.fallbackOffset,
+        touch = evt.touches ? evt.touches[0] : evt,
+        ghostMatrix = ghostEl && matrix(ghostEl, true),
+        scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
+        scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
+        relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
+        dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
+        dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1);
+
+      // only set the status to dragging, when we are actually dragging
       if (!Sortable.active && !awaitingDragStarted) {
         if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
           return;
         }
-
         this._onDragStart(evt, true);
       }
-
       if (ghostEl) {
         if (ghostMatrix) {
           ghostMatrix.e += dx - (lastDx || 0);
@@ -1700,7 +1503,6 @@ Sortable.prototype =
             f: dy
           };
         }
-
         var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
         css(ghostEl, 'webkitTransform', cssMatrix);
         css(ghostEl, 'mozTransform', cssMatrix);
@@ -1710,7 +1512,6 @@ Sortable.prototype =
         lastDy = dy;
         touchEvt = touch;
       }
-
       evt.cancelable && evt.preventDefault();
     }
   },
@@ -1719,17 +1520,16 @@ Sortable.prototype =
     // Not being adjusted for
     if (!ghostEl) {
       var container = this.options.fallbackOnBody ? document.body : rootEl,
-          rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
-          options = this.options; // Position absolutely
+        rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
+        options = this.options;
 
+      // Position absolutely
       if (PositionGhostAbsolutely) {
         // Get relatively positioned parent
         ghostRelativeParent = container;
-
         while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {
           ghostRelativeParent = ghostRelativeParent.parentNode;
         }
-
         if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {
           if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();
           rect.top += ghostRelativeParent.scrollTop;
@@ -1737,10 +1537,8 @@ Sortable.prototype =
         } else {
           ghostRelativeParent = getWindowScrollingElement();
         }
-
         ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);
       }
-
       ghostEl = dragEl.cloneNode(true);
       toggleClass(ghostEl, options.ghostClass, false);
       toggleClass(ghostEl, options.fallbackClass, true);
@@ -1758,62 +1556,50 @@ Sortable.prototype =
       css(ghostEl, 'zIndex', '100000');
       css(ghostEl, 'pointerEvents', 'none');
       Sortable.ghost = ghostEl;
-      container.appendChild(ghostEl); // Set transform-origin
+      container.appendChild(ghostEl);
 
+      // Set transform-origin
       css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
     }
   },
-  _onDragStart: function _onDragStart(
-  /**Event*/
-  evt,
-  /**boolean*/
-  fallback) {
+  _onDragStart: function _onDragStart( /**Event*/evt, /**boolean*/fallback) {
     var _this = this;
-
     var dataTransfer = evt.dataTransfer;
     var options = _this.options;
     pluginEvent('dragStart', this, {
       evt: evt
     });
-
     if (Sortable.eventCanceled) {
       this._onDrop();
-
       return;
     }
-
     pluginEvent('setupClone', this);
-
     if (!Sortable.eventCanceled) {
       cloneEl = clone(dragEl);
       cloneEl.removeAttribute("id");
       cloneEl.draggable = false;
       cloneEl.style['will-change'] = '';
-
       this._hideClone();
-
       toggleClass(cloneEl, this.options.chosenClass, false);
       Sortable.clone = cloneEl;
-    } // #1143: IFrame support workaround
-
+    }
 
+    // #1143: IFrame support workaround
     _this.cloneId = _nextTick(function () {
       pluginEvent('clone', _this);
       if (Sortable.eventCanceled) return;
-
       if (!_this.options.removeCloneOnHide) {
         rootEl.insertBefore(cloneEl, dragEl);
       }
-
       _this._hideClone();
-
       _dispatchEvent({
         sortable: _this,
         name: 'clone'
       });
     });
-    !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events
+    !fallback && toggleClass(dragEl, options.dragClass, true);
 
+    // Set proper drop events
     if (fallback) {
       ignoreNextClick = true;
       _this._loopId = setInterval(_this._emulateDragOver, 50);
@@ -1822,47 +1608,40 @@ Sortable.prototype =
       off(document, 'mouseup', _this._onDrop);
       off(document, 'touchend', _this._onDrop);
       off(document, 'touchcancel', _this._onDrop);
-
       if (dataTransfer) {
         dataTransfer.effectAllowed = 'move';
         options.setData && options.setData.call(_this, dataTransfer, dragEl);
       }
+      on(document, 'drop', _this);
 
-      on(document, 'drop', _this); // #1276 fix:
-
+      // #1276 fix:
       css(dragEl, 'transform', 'translateZ(0)');
     }
-
     awaitingDragStarted = true;
     _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
     on(document, 'selectstart', _this);
     moved = true;
-
     if (Safari) {
       css(document.body, 'user-select', 'none');
     }
   },
   // Returns true - if no further action is needed (either inserted or another condition)
-  _onDragOver: function _onDragOver(
-  /**Event*/
-  evt) {
+  _onDragOver: function _onDragOver( /**Event*/evt) {
     var el = this.el,
-        target = evt.target,
-        dragRect,
-        targetRect,
-        revert,
-        options = this.options,
-        group = options.group,
-        activeSortable = Sortable.active,
-        isOwner = activeGroup === group,
-        canSort = options.sort,
-        fromSortable = putSortable || activeSortable,
-        vertical,
-        _this = this,
-        completedFired = false;
-
+      target = evt.target,
+      dragRect,
+      targetRect,
+      revert,
+      options = this.options,
+      group = options.group,
+      activeSortable = Sortable.active,
+      isOwner = activeGroup === group,
+      canSort = options.sort,
+      fromSortable = putSortable || activeSortable,
+      vertical,
+      _this = this,
+      completedFired = false;
     if (_silent) return;
-
     function dragOverEvent(name, extra) {
       pluginEvent(name, _this, _objectSpread2({
         evt: evt,
@@ -1880,25 +1659,22 @@ Sortable.prototype =
         },
         changed: changed
       }, extra));
-    } // Capture animation state
-
+    }
 
+    // Capture animation state
     function capture() {
       dragOverEvent('dragOverAnimationCapture');
-
       _this.captureAnimationState();
-
       if (_this !== fromSortable) {
         fromSortable.captureAnimationState();
       }
-    } // Return invocation when dragEl is inserted (or completed)
-
+    }
 
+    // Return invocation when dragEl is inserted (or completed)
     function completed(insertion) {
       dragOverEvent('dragOverCompleted', {
         insertion: insertion
       });
-
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
         if (isOwner) {
@@ -1906,57 +1682,51 @@ Sortable.prototype =
         } else {
           activeSortable._showClone(_this);
         }
-
         if (_this !== fromSortable) {
           // Set ghost class to new sortable's ghost class
           toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
           toggleClass(dragEl, options.ghostClass, true);
         }
-
         if (putSortable !== _this && _this !== Sortable.active) {
           putSortable = _this;
         } else if (_this === Sortable.active && putSortable) {
           putSortable = null;
-        } // Animation
-
+        }
 
+        // Animation
         if (fromSortable === _this) {
           _this._ignoreWhileAnimating = target;
         }
-
         _this.animateAll(function () {
           dragOverEvent('dragOverAnimationComplete');
           _this._ignoreWhileAnimating = null;
         });
-
         if (_this !== fromSortable) {
           fromSortable.animateAll();
           fromSortable._ignoreWhileAnimating = null;
         }
-      } // Null lastTarget if it is not inside a previously swapped element
-
+      }
 
+      // Null lastTarget if it is not inside a previously swapped element
       if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
         lastTarget = null;
-      } // no bubbling and not fallback
-
+      }
 
+      // no bubbling and not fallback
       if (!options.dragoverBubble && !evt.rootEl && target !== document) {
-        dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted
-
+        dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
 
+        // Do not detect for empty insert if already inserted
         !insertion && nearestEmptyInsertDetectEvent(evt);
       }
-
       !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
       return completedFired = true;
-    } // Call when dragEl has been inserted
-
+    }
 
+    // Call when dragEl has been inserted
     function changed() {
       newIndex = index(dragEl);
       newDraggableIndex = index(dragEl, options.draggable);
-
       _dispatchEvent({
         sortable: _this,
         name: 'change',
@@ -1966,37 +1736,27 @@ Sortable.prototype =
         originalEvent: evt
       });
     }
-
     if (evt.preventDefault !== void 0) {
       evt.cancelable && evt.preventDefault();
     }
-
     target = closest(target, options.draggable, el, true);
     dragOverEvent('dragOver');
     if (Sortable.eventCanceled) return completedFired;
-
     if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
       return completed(false);
     }
-
     ignoreNextClick = false;
-
     if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
     : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
       vertical = this._getDirection(evt, target) === 'vertical';
       dragRect = getRect(dragEl);
       dragOverEvent('dragOverValid');
       if (Sortable.eventCanceled) return completedFired;
-
       if (revert) {
         parentEl = rootEl; // actualization
-
         capture();
-
         this._hideClone();
-
         dragOverEvent('revert');
-
         if (!Sortable.eventCanceled) {
           if (nextEl) {
             rootEl.insertBefore(dragEl, nextEl);
@@ -2004,38 +1764,32 @@ Sortable.prototype =
             rootEl.appendChild(dragEl);
           }
         }
-
         return completed(true);
       }
-
       var elLastChild = lastChild(el, options.draggable);
-
       if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
         // Insert to end of list
+
         // If already at end of list: Do not insert
         if (elLastChild === dragEl) {
           return completed(false);
-        } // if there is a last element, it is the target
-
+        }
 
+        // if there is a last element, it is the target
         if (elLastChild && el === evt.target) {
           target = elLastChild;
         }
-
         if (target) {
           targetRect = getRect(target);
         }
-
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
           capture();
-
           if (elLastChild && elLastChild.nextSibling) {
             // the last draggable element is not the last node
             el.insertBefore(dragEl, elLastChild.nextSibling);
           } else {
             el.appendChild(dragEl);
           }
-
           parentEl = el; // actualization
 
           changed();
@@ -2044,14 +1798,11 @@ Sortable.prototype =
       } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
         // Insert to start of list
         var firstChild = getChild(el, 0, options, true);
-
         if (firstChild === dragEl) {
           return completed(false);
         }
-
         target = firstChild;
         targetRect = getRect(target);
-
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
           capture();
           el.insertBefore(dragEl, firstChild);
@@ -2063,82 +1814,68 @@ Sortable.prototype =
       } else if (target.parentNode === el) {
         targetRect = getRect(target);
         var direction = 0,
-            targetBeforeFirstSwap,
-            differentLevel = dragEl.parentNode !== el,
-            differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
-            side1 = vertical ? 'top' : 'left',
-            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
-            scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
-
+          targetBeforeFirstSwap,
+          differentLevel = dragEl.parentNode !== el,
+          differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
+          side1 = vertical ? 'top' : 'left',
+          scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
+          scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
         if (lastTarget !== target) {
           targetBeforeFirstSwap = targetRect[side1];
           pastFirstInvertThresh = false;
           isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
         }
-
         direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
         var sibling;
-
         if (direction !== 0) {
           // Check if target is beside dragEl in respective direction (ignoring hidden elements)
           var dragIndex = index(dragEl);
-
           do {
             dragIndex -= direction;
             sibling = parentEl.children[dragIndex];
           } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
-        } // If dragEl is already beside target: Do not insert
-
-
+        }
+        // If dragEl is already beside target: Do not insert
         if (direction === 0 || sibling === target) {
           return completed(false);
         }
-
         lastTarget = target;
         lastDirection = direction;
         var nextSibling = target.nextElementSibling,
-            after = false;
+          after = false;
         after = direction === 1;
-
         var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
-
         if (moveVector !== false) {
           if (moveVector === 1 || moveVector === -1) {
             after = moveVector === 1;
           }
-
           _silent = true;
           setTimeout(_unsilent, 30);
           capture();
-
           if (after && !nextSibling) {
             el.appendChild(dragEl);
           } else {
             target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
-          } // Undo chrome's scroll adjustment (has no effect on other browsers)
-
+          }
 
+          // Undo chrome's scroll adjustment (has no effect on other browsers)
           if (scrolledPastTop) {
             scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
           }
-
           parentEl = dragEl.parentNode; // actualization
-          // must be done before animation
 
+          // must be done before animation
           if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
             targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
           }
-
           changed();
           return completed(true);
         }
       }
-
       if (el.contains(dragEl)) {
         return completed(false);
       }
     }
-
     return false;
   },
   _ignoreWhileAnimating: null,
@@ -2158,83 +1895,69 @@ Sortable.prototype =
     off(ownerDocument, 'touchcancel', this._onDrop);
     off(document, 'selectstart', this);
   },
-  _onDrop: function _onDrop(
-  /**Event*/
-  evt) {
+  _onDrop: function _onDrop( /**Event*/evt) {
     var el = this.el,
-        options = this.options; // Get the index of the dragged element within its parent
+      options = this.options;
 
+    // Get the index of the dragged element within its parent
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
     pluginEvent('drop', this, {
       evt: evt
     });
-    parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
+    parentEl = dragEl && dragEl.parentNode;
 
+    // Get again after plugin event
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
-
     if (Sortable.eventCanceled) {
       this._nulling();
-
       return;
     }
-
     awaitingDragStarted = false;
     isCircumstantialInvert = false;
     pastFirstInvertThresh = false;
     clearInterval(this._loopId);
     clearTimeout(this._dragStartTimer);
-
     _cancelNextTick(this.cloneId);
+    _cancelNextTick(this._dragStartId);
 
-    _cancelNextTick(this._dragStartId); // Unbind events
-
-
+    // Unbind events
     if (this.nativeDraggable) {
       off(document, 'drop', this);
       off(el, 'dragstart', this._onDragStart);
     }
-
     this._offMoveEvents();
-
     this._offUpEvents();
-
     if (Safari) {
       css(document.body, 'user-select', '');
     }
-
     css(dragEl, 'transform', '');
-
     if (evt) {
       if (moved) {
         evt.cancelable && evt.preventDefault();
         !options.dropBubble && evt.stopPropagation();
       }
-
       ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
-
       if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
         // Remove clone(s)
         cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
       }
-
       if (dragEl) {
         if (this.nativeDraggable) {
           off(dragEl, 'dragend', this);
         }
-
         _disableDraggable(dragEl);
+        dragEl.style['will-change'] = '';
 
-        dragEl.style['will-change'] = ''; // Remove classes
+        // Remove classes
         // ghostClass is added in dragStarted
-
         if (moved && !awaitingDragStarted) {
           toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
         }
+        toggleClass(dragEl, this.options.chosenClass, false);
 
-        toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event
-
+        // Drag stop event
         _dispatchEvent({
           sortable: this,
           name: 'unchoose',
@@ -2243,7 +1966,6 @@ Sortable.prototype =
           newDraggableIndex: null,
           originalEvent: evt
         });
-
         if (rootEl !== parentEl) {
           if (newIndex >= 0) {
             // Add event
@@ -2253,17 +1975,17 @@ Sortable.prototype =
               toEl: parentEl,
               fromEl: rootEl,
               originalEvent: evt
-            }); // Remove event
-
+            });
 
+            // Remove event
             _dispatchEvent({
               sortable: this,
               name: 'remove',
               toEl: parentEl,
               originalEvent: evt
-            }); // drag from one list and drop into another
-
+            });
 
+            // drag from one list and drop into another
             _dispatchEvent({
               rootEl: parentEl,
               name: 'sort',
@@ -2271,7 +1993,6 @@ Sortable.prototype =
               fromEl: rootEl,
               originalEvent: evt
             });
-
             _dispatchEvent({
               sortable: this,
               name: 'sort',
@@ -2279,7 +2000,6 @@ Sortable.prototype =
               originalEvent: evt
             });
           }
-
           putSortable && putSortable.save();
         } else {
           if (newIndex !== oldIndex) {
@@ -2291,7 +2011,6 @@ Sortable.prototype =
                 toEl: parentEl,
                 originalEvent: evt
               });
-
               _dispatchEvent({
                 sortable: this,
                 name: 'sort',
@@ -2301,27 +2020,24 @@ Sortable.prototype =
             }
           }
         }
-
         if (Sortable.active) {
           /* jshint eqnull:true */
           if (newIndex == null || newIndex === -1) {
             newIndex = oldIndex;
             newDraggableIndex = oldDraggableIndex;
           }
-
           _dispatchEvent({
             sortable: this,
             name: 'end',
             toEl: parentEl,
             originalEvent: evt
-          }); // Save sorting
-
+          });
 
+          // Save sorting
           this.save();
         }
       }
     }
-
     this._nulling();
   },
   _nulling: function _nulling() {
@@ -2332,65 +2048,52 @@ Sortable.prototype =
     });
     savedInputChecked.length = lastDx = lastDy = 0;
   },
-  handleEvent: function handleEvent(
-  /**Event*/
-  evt) {
+  handleEvent: function handleEvent( /**Event*/evt) {
     switch (evt.type) {
       case 'drop':
       case 'dragend':
         this._onDrop(evt);
-
         break;
-
       case 'dragenter':
       case 'dragover':
         if (dragEl) {
           this._onDragOver(evt);
-
           _globalDragOver(evt);
         }
-
         break;
-
       case 'selectstart':
         evt.preventDefault();
         break;
     }
   },
-
   /**
    * Serializes the item into an array of string.
    * @returns {String[]}
    */
   toArray: function toArray() {
     var order = [],
-        el,
-        children = this.el.children,
-        i = 0,
-        n = children.length,
-        options = this.options;
-
+      el,
+      children = this.el.children,
+      i = 0,
+      n = children.length,
+      options = this.options;
     for (; i < n; i++) {
       el = children[i];
-
       if (closest(el, options.draggable, this.el, false)) {
         order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
       }
     }
-
     return order;
   },
-
   /**
    * Sorts the elements according to the array.
    * @param  {String[]}  order  order of the items
    */
   sort: function sort(order, useAnimation) {
     var items = {},
-        rootEl = this.el;
+      rootEl = this.el;
     this.toArray().forEach(function (id, i) {
       var el = rootEl.children[i];
-
       if (closest(el, this.options.draggable, rootEl, false)) {
         items[id] = el;
       }
@@ -2404,7 +2107,6 @@ Sortable.prototype =
     });
     useAnimation && this.animateAll();
   },
-
   /**
    * Save the current sorting
    */
@@ -2412,7 +2114,6 @@ Sortable.prototype =
     var store = this.options.store;
     store && store.set && store.set(this);
   },
-
   /**
    * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
    * @param   {HTMLElement}  el
@@ -2422,7 +2123,6 @@ Sortable.prototype =
   closest: function closest$1(el, selector) {
     return closest(el, selector || this.options.draggable, this.el, false);
   },
-
   /**
    * Set/get option
    * @param   {string} name
@@ -2431,24 +2131,20 @@ Sortable.prototype =
    */
   option: function option(name, value) {
     var options = this.options;
-
     if (value === void 0) {
       return options[name];
     } else {
       var modifiedValue = PluginManager.modifyOption(this, name, value);
-
       if (typeof modifiedValue !== 'undefined') {
         options[name] = modifiedValue;
       } else {
         options[name] = value;
       }
-
       if (name === 'group') {
         _prepareGroup(options);
       }
     }
   },
-
   /**
    * Destroy
    */
@@ -2459,21 +2155,16 @@ Sortable.prototype =
     off(el, 'mousedown', this._onTapStart);
     off(el, 'touchstart', this._onTapStart);
     off(el, 'pointerdown', this._onTapStart);
-
     if (this.nativeDraggable) {
       off(el, 'dragover', this);
       off(el, 'dragenter', this);
-    } // Remove draggable attributes
-
-
+    }
+    // Remove draggable attributes
     Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
       el.removeAttribute('draggable');
     });
-
     this._onDrop();
-
     this._disableDelayedDragEvents();
-
     sortables.splice(sortables.indexOf(this.el), 1);
     this.el = el = null;
   },
@@ -2482,25 +2173,22 @@ Sortable.prototype =
       pluginEvent('hideClone', this);
       if (Sortable.eventCanceled) return;
       css(cloneEl, 'display', 'none');
-
       if (this.options.removeCloneOnHide && cloneEl.parentNode) {
         cloneEl.parentNode.removeChild(cloneEl);
       }
-
       cloneHidden = true;
     }
   },
   _showClone: function _showClone(putSortable) {
     if (putSortable.lastPutMode !== 'clone') {
       this._hideClone();
-
       return;
     }
-
     if (cloneHidden) {
       pluginEvent('showClone', this);
-      if (Sortable.eventCanceled) return; // show clone at dragEl or original position
+      if (Sortable.eventCanceled) return;
 
+      // show clone at dragEl or original position
       if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
         rootEl.insertBefore(cloneEl, dragEl);
       } else if (nextEl) {
@@ -2508,33 +2196,26 @@ Sortable.prototype =
       } else {
         rootEl.appendChild(cloneEl);
       }
-
       if (this.options.group.revertClone) {
         this.animate(dragEl, cloneEl);
       }
-
       css(cloneEl, 'display', '');
       cloneHidden = false;
     }
   }
 };
-
-function _globalDragOver(
-/**Event*/
-evt) {
+function _globalDragOver( /**Event*/evt) {
   if (evt.dataTransfer) {
     evt.dataTransfer.dropEffect = 'move';
   }
-
   evt.cancelable && evt.preventDefault();
 }
-
 function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {
   var evt,
-      sortable = fromEl[expando],
-      onMoveFn = sortable.options.onMove,
-      retVal; // Support for new CustomEvent feature
-
+    sortable = fromEl[expando],
+    onMoveFn = sortable.options.onMove,
+    retVal;
+  // Support for new CustomEvent feature
   if (window.CustomEvent && !IE11OrLess && !Edge) {
     evt = new CustomEvent('move', {
       bubbles: true,
@@ -2544,7 +2225,6 @@ function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalE
     evt = document.createEvent('Event');
     evt.initEvent('move', true, true);
   }
-
   evt.to = toEl;
   evt.from = fromEl;
   evt.dragged = dragEl;
@@ -2554,41 +2234,35 @@ function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalE
   evt.willInsertAfter = willInsertAfter;
   evt.originalEvent = originalEvent;
   fromEl.dispatchEvent(evt);
-
   if (onMoveFn) {
     retVal = onMoveFn.call(sortable, evt, originalEvent);
   }
-
   return retVal;
 }
-
 function _disableDraggable(el) {
   el.draggable = false;
 }
-
 function _unsilent() {
   _silent = false;
 }
-
 function _ghostIsFirst(evt, vertical, sortable) {
-  var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var sortableContentRect = getContentRect(sortable.el);
   var spacer = 10;
-  return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+  return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
 }
-
 function _ghostIsLast(evt, vertical, sortable) {
-  var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
+  var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
+  var sortableContentRect = getContentRect(sortable.el);
   var spacer = 10;
-  return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
+  return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
 }
-
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
   var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
-      targetLength = vertical ? targetRect.height : targetRect.width,
-      targetS1 = vertical ? targetRect.top : targetRect.left,
-      targetS2 = vertical ? targetRect.bottom : targetRect.right,
-      invert = false;
-
+    targetLength = vertical ? targetRect.height : targetRect.width,
+    targetS1 = vertical ? targetRect.top : targetRect.left,
+    targetS2 = vertical ? targetRect.bottom : targetRect.right,
+    invert = false;
   if (!invertSwap) {
     // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
     if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
@@ -2598,7 +2272,6 @@ function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, inv
         // past first invert threshold, do not restrict inverted threshold to dragEl shadow
         pastFirstInvertThresh = true;
       }
-
       if (!pastFirstInvertThresh) {
         // dragEl shadow (target move distance shadow)
         if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
@@ -2615,26 +2288,22 @@ function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, inv
       }
     }
   }
-
   invert = invert || invertSwap;
-
   if (invert) {
     // Invert of regular
     if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
       return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
     }
   }
-
   return 0;
 }
+
 /**
  * Gets the direction dragEl must be swapped relative to target in order to make it
  * seem that dragEl has been "inserted" into that element's position
  * @param  {HTMLElement} target       The target whose position dragEl is being inserted at
  * @return {Number}                   Direction dragEl must be swapped
  */
-
-
 function _getInsertDirection(target) {
   if (index(dragEl) < index(target)) {
     return 1;
@@ -2642,55 +2311,48 @@ function _getInsertDirection(target) {
     return -1;
   }
 }
+
 /**
  * Generate id
  * @param   {HTMLElement} el
  * @returns {String}
  * @private
  */
-
-
 function _generateId(el) {
   var str = el.tagName + el.className + el.src + el.href + el.textContent,
-      i = str.length,
-      sum = 0;
-
+    i = str.length,
+    sum = 0;
   while (i--) {
     sum += str.charCodeAt(i);
   }
-
   return sum.toString(36);
 }
-
 function _saveInputCheckedState(root) {
   savedInputChecked.length = 0;
   var inputs = root.getElementsByTagName('input');
   var idx = inputs.length;
-
   while (idx--) {
     var el = inputs[idx];
     el.checked && savedInputChecked.push(el);
   }
 }
-
 function _nextTick(fn) {
   return setTimeout(fn, 0);
 }
-
 function _cancelNextTick(id) {
   return clearTimeout(id);
-} // Fixed #973:
-
+}
 
+// Fixed #973:
 if (documentExists) {
   on(document, 'touchmove', function (evt) {
     if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
       evt.preventDefault();
     }
   });
-} // Export utils
-
+}
 
+// Export utils
 Sortable.utils = {
   on: on,
   off: off,
@@ -2710,59 +2372,54 @@ Sortable.utils = {
   detectDirection: _detectDirection,
   getChild: getChild
 };
+
 /**
  * Get the Sortable instance of an element
  * @param  {HTMLElement} element The element
  * @return {Sortable|undefined}         The instance of Sortable
  */
-
 Sortable.get = function (element) {
   return element[expando];
 };
+
 /**
  * Mount a plugin to Sortable
  * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
  */
-
-
 Sortable.mount = function () {
   for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
     plugins[_key] = arguments[_key];
   }
-
   if (plugins[0].constructor === Array) plugins = plugins[0];
   plugins.forEach(function (plugin) {
     if (!plugin.prototype || !plugin.prototype.constructor) {
       throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
-
     if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
     PluginManager.mount(plugin);
   });
 };
+
 /**
  * Create sortable instance
  * @param {HTMLElement}  el
  * @param {Object}      [options]
  */
-
-
 Sortable.create = function (el, options) {
   return new Sortable(el, options);
-}; // Export
-
+};
 
+// Export
 Sortable.version = version;
 
 var autoScrolls = [],
-    scrollEl,
-    scrollRootEl,
-    scrolling = false,
-    lastAutoScrollX,
-    lastAutoScrollY,
-    touchEvt$1,
-    pointerElemChangedInterval;
-
+  scrollEl,
+  scrollRootEl,
+  scrolling = false,
+  lastAutoScrollX,
+  lastAutoScrollY,
+  touchEvt$1,
+  pointerElemChangedInterval;
 function AutoScrollPlugin() {
   function AutoScroll() {
     this.defaults = {
@@ -2771,19 +2428,18 @@ function AutoScrollPlugin() {
       scrollSensitivity: 30,
       scrollSpeed: 10,
       bubbleScroll: true
-    }; // Bind all private methods
+    };
 
+    // Bind all private methods
     for (var fn in this) {
       if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
         this[fn] = this[fn].bind(this);
       }
     }
   }
-
   AutoScroll.prototype = {
     dragStarted: function dragStarted(_ref) {
       var originalEvent = _ref.originalEvent;
-
       if (this.sortable.nativeDraggable) {
         on(document, 'dragover', this._handleAutoScroll);
       } else {
@@ -2798,7 +2454,6 @@ function AutoScrollPlugin() {
     },
     dragOverCompleted: function dragOverCompleted(_ref2) {
       var originalEvent = _ref2.originalEvent;
-
       // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
       if (!this.options.dragOverBubble && !originalEvent.rootEl) {
         this._handleAutoScroll(originalEvent);
@@ -2812,7 +2467,6 @@ function AutoScrollPlugin() {
         off(document, 'touchmove', this._handleFallbackAutoScroll);
         off(document, 'mousemove', this._handleFallbackAutoScroll);
       }
-
       clearPointerElemChangedInterval();
       clearAutoScrolls();
       cancelThrottle();
@@ -2826,31 +2480,29 @@ function AutoScrollPlugin() {
     },
     _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
       var _this = this;
-
       var x = (evt.touches ? evt.touches[0] : evt).clientX,
-          y = (evt.touches ? evt.touches[0] : evt).clientY,
-          elem = document.elementFromPoint(x, y);
-      touchEvt$1 = evt; // IE does not seem to have native autoscroll,
+        y = (evt.touches ? evt.touches[0] : evt).clientY,
+        elem = document.elementFromPoint(x, y);
+      touchEvt$1 = evt;
+
+      // IE does not seem to have native autoscroll,
       // Edge's autoscroll seems too conditional,
       // MACOS Safari does not have autoscroll,
       // Firefox and Chrome are good
-
       if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
-        autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
+        autoScroll(evt, this.options, elem, fallback);
 
+        // Listener for pointer element change
         var ogElemScroller = getParentAutoScrollElement(elem, true);
-
         if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
-          pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour
-
+          pointerElemChangedInterval && clearPointerElemChangedInterval();
+          // Detect for pointer elem change, emulating native DnD behaviour
           pointerElemChangedInterval = setInterval(function () {
             var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);
-
             if (newElem !== ogElemScroller) {
               ogElemScroller = newElem;
               clearAutoScrolls();
             }
-
             autoScroll(evt, _this.options, newElem, fallback);
           }, 10);
           lastAutoScrollX = x;
@@ -2862,7 +2514,6 @@ function AutoScrollPlugin() {
           clearAutoScrolls();
           return;
         }
-
         autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
       }
     }
@@ -2872,60 +2523,54 @@ function AutoScrollPlugin() {
     initializeByDefault: true
   });
 }
-
 function clearAutoScrolls() {
   autoScrolls.forEach(function (autoScroll) {
     clearInterval(autoScroll.pid);
   });
   autoScrolls = [];
 }
-
 function clearPointerElemChangedInterval() {
   clearInterval(pointerElemChangedInterval);
 }
-
 var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
   // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
   if (!options.scroll) return;
   var x = (evt.touches ? evt.touches[0] : evt).clientX,
-      y = (evt.touches ? evt.touches[0] : evt).clientY,
-      sens = options.scrollSensitivity,
-      speed = options.scrollSpeed,
-      winScroller = getWindowScrollingElement();
+    y = (evt.touches ? evt.touches[0] : evt).clientY,
+    sens = options.scrollSensitivity,
+    speed = options.scrollSpeed,
+    winScroller = getWindowScrollingElement();
   var scrollThisInstance = false,
-      scrollCustomFn; // New scroll root, set scrollEl
+    scrollCustomFn;
 
+  // New scroll root, set scrollEl
   if (scrollRootEl !== rootEl) {
     scrollRootEl = rootEl;
     clearAutoScrolls();
     scrollEl = options.scroll;
     scrollCustomFn = options.scrollFn;
-
     if (scrollEl === true) {
       scrollEl = getParentAutoScrollElement(rootEl, true);
     }
   }
-
   var layersOut = 0;
   var currentParent = scrollEl;
-
   do {
     var el = currentParent,
-        rect = getRect(el),
-        top = rect.top,
-        bottom = rect.bottom,
-        left = rect.left,
-        right = rect.right,
-        width = rect.width,
-        height = rect.height,
-        canScrollX = void 0,
-        canScrollY = void 0,
-        scrollWidth = el.scrollWidth,
-        scrollHeight = el.scrollHeight,
-        elCSS = css(el),
-        scrollPosX = el.scrollLeft,
-        scrollPosY = el.scrollTop;
-
+      rect = getRect(el),
+      top = rect.top,
+      bottom = rect.bottom,
+      left = rect.left,
+      right = rect.right,
+      width = rect.width,
+      height = rect.height,
+      canScrollX = void 0,
+      canScrollY = void 0,
+      scrollWidth = el.scrollWidth,
+      scrollHeight = el.scrollHeight,
+      elCSS = css(el),
+      scrollPosX = el.scrollLeft,
+      scrollPosY = el.scrollTop;
     if (el === winScroller) {
       canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
@@ -2933,10 +2578,8 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
       canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
     }
-
     var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
     var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
-
     if (!autoScrolls[layersOut]) {
       for (var i = 0; i <= layersOut; i++) {
         if (!autoScrolls[i]) {
@@ -2944,61 +2587,51 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
         }
       }
     }
-
     if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
       autoScrolls[layersOut].el = el;
       autoScrolls[layersOut].vx = vx;
       autoScrolls[layersOut].vy = vy;
       clearInterval(autoScrolls[layersOut].pid);
-
       if (vx != 0 || vy != 0) {
         scrollThisInstance = true;
         /* jshint loopfunc:true */
-
         autoScrolls[layersOut].pid = setInterval(function () {
           // emulate drag over during autoscroll (fallback), emulating native DnD behaviour
           if (isFallback && this.layer === 0) {
             Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely
-
           }
-
           var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
           var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
-
           if (typeof scrollCustomFn === 'function') {
             if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
               return;
             }
           }
-
           scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
         }.bind({
           layer: layersOut
         }), 24);
       }
     }
-
     layersOut++;
   } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));
-
   scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
 }, 30);
 
 var drop = function drop(_ref) {
   var originalEvent = _ref.originalEvent,
-      putSortable = _ref.putSortable,
-      dragEl = _ref.dragEl,
-      activeSortable = _ref.activeSortable,
-      dispatchSortableEvent = _ref.dispatchSortableEvent,
-      hideGhostForTarget = _ref.hideGhostForTarget,
-      unhideGhostForTarget = _ref.unhideGhostForTarget;
+    putSortable = _ref.putSortable,
+    dragEl = _ref.dragEl,
+    activeSortable = _ref.activeSortable,
+    dispatchSortableEvent = _ref.dispatchSortableEvent,
+    hideGhostForTarget = _ref.hideGhostForTarget,
+    unhideGhostForTarget = _ref.unhideGhostForTarget;
   if (!originalEvent) return;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
   var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
   var target = document.elementFromPoint(touch.clientX, touch.clientY);
   unhideGhostForTarget();
-
   if (toSortable && !toSortable.el.contains(target)) {
     dispatchSortableEvent('spill');
     this.onSpill({
@@ -3007,9 +2640,7 @@ var drop = function drop(_ref) {
     });
   }
 };
-
 function Revert() {}
-
 Revert.prototype = {
   startIndex: null,
   dragStart: function dragStart(_ref2) {
@@ -3018,40 +2649,32 @@ Revert.prototype = {
   },
   onSpill: function onSpill(_ref3) {
     var dragEl = _ref3.dragEl,
-        putSortable = _ref3.putSortable;
+      putSortable = _ref3.putSortable;
     this.sortable.captureAnimationState();
-
     if (putSortable) {
       putSortable.captureAnimationState();
     }
-
     var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
-
     if (nextSibling) {
       this.sortable.el.insertBefore(dragEl, nextSibling);
     } else {
       this.sortable.el.appendChild(dragEl);
     }
-
     this.sortable.animateAll();
-
     if (putSortable) {
       putSortable.animateAll();
     }
   },
   drop: drop
 };
-
 _extends(Revert, {
   pluginName: 'revertOnSpill'
 });
-
 function Remove() {}
-
 Remove.prototype = {
   onSpill: function onSpill(_ref4) {
     var dragEl = _ref4.dragEl,
-        putSortable = _ref4.putSortable;
+      putSortable = _ref4.putSortable;
     var parentSortable = putSortable || this.sortable;
     parentSortable.captureAnimationState();
     dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
@@ -3059,22 +2682,18 @@ Remove.prototype = {
   },
   drop: drop
 };
-
 _extends(Remove, {
   pluginName: 'removeOnSpill'
 });
-
 var OnSpill = [Remove, Revert];
 
 var lastSwapEl;
-
 function SwapPlugin() {
   function Swap() {
     this.defaults = {
       swapClass: 'sortable-swap-highlight'
     };
   }
-
   Swap.prototype = {
     dragStart: function dragStart(_ref) {
       var dragEl = _ref.dragEl;
@@ -3082,42 +2701,37 @@ function SwapPlugin() {
     },
     dragOverValid: function dragOverValid(_ref2) {
       var completed = _ref2.completed,
-          target = _ref2.target,
-          onMove = _ref2.onMove,
-          activeSortable = _ref2.activeSortable,
-          changed = _ref2.changed,
-          cancel = _ref2.cancel;
+        target = _ref2.target,
+        onMove = _ref2.onMove,
+        activeSortable = _ref2.activeSortable,
+        changed = _ref2.changed,
+        cancel = _ref2.cancel;
       if (!activeSortable.options.swap) return;
       var el = this.sortable.el,
-          options = this.options;
-
+        options = this.options;
       if (target && target !== el) {
         var prevSwapEl = lastSwapEl;
-
         if (onMove(target) !== false) {
           toggleClass(target, options.swapClass, true);
           lastSwapEl = target;
         } else {
           lastSwapEl = null;
         }
-
         if (prevSwapEl && prevSwapEl !== lastSwapEl) {
           toggleClass(prevSwapEl, options.swapClass, false);
         }
       }
-
       changed();
       completed(true);
       cancel();
     },
     drop: function drop(_ref3) {
       var activeSortable = _ref3.activeSortable,
-          putSortable = _ref3.putSortable,
-          dragEl = _ref3.dragEl;
+        putSortable = _ref3.putSortable,
+        dragEl = _ref3.dragEl;
       var toSortable = putSortable || this.sortable;
       var options = this.options;
       lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
-
       if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
         if (dragEl !== lastSwapEl) {
           toSortable.captureAnimationState();
@@ -3141,38 +2755,34 @@ function SwapPlugin() {
     }
   });
 }
-
 function swapNodes(n1, n2) {
   var p1 = n1.parentNode,
-      p2 = n2.parentNode,
-      i1,
-      i2;
+    p2 = n2.parentNode,
+    i1,
+    i2;
   if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
   i1 = index(n1);
   i2 = index(n2);
-
   if (p1.isEqualNode(p2) && i1 < i2) {
     i2++;
   }
-
   p1.insertBefore(n2, p1.children[i1]);
   p2.insertBefore(n1, p2.children[i2]);
 }
 
 var multiDragElements = [],
-    multiDragClones = [],
-    lastMultiDragSelect,
-    // for selection with modifier key down (SHIFT)
-multiDragSortable,
-    initialFolding = false,
-    // Initial multi-drag fold when drag started
-folding = false,
-    // Folding any other time
-dragStarted = false,
-    dragEl$1,
-    clonesFromRect,
-    clonesHidden;
-
+  multiDragClones = [],
+  lastMultiDragSelect,
+  // for selection with modifier key down (SHIFT)
+  multiDragSortable,
+  initialFolding = false,
+  // Initial multi-drag fold when drag started
+  folding = false,
+  // Folding any other time
+  dragStarted = false,
+  dragEl$1,
+  clonesFromRect,
+  clonesHidden;
 function MultiDragPlugin() {
   function MultiDrag(sortable) {
     // Bind all private methods
@@ -3181,7 +2791,6 @@ function MultiDragPlugin() {
         this[fn] = this[fn].bind(this);
       }
     }
-
     if (!sortable.options.avoidImplicitDeselect) {
       if (sortable.options.supportPointer) {
         on(document, 'pointerup', this._deselectMultiDrag);
@@ -3190,7 +2799,6 @@ function MultiDragPlugin() {
         on(document, 'touchend', this._deselectMultiDrag);
       }
     }
-
     on(document, 'keydown', this._checkKeyDown);
     on(document, 'keyup', this._checkKeyUp);
     this.defaults = {
@@ -3199,7 +2807,6 @@ function MultiDragPlugin() {
       avoidImplicitDeselect: false,
       setData: function setData(dataTransfer, dragEl) {
         var data = '';
-
         if (multiDragElements.length && multiDragSortable === sortable) {
           multiDragElements.forEach(function (multiDragElement, i) {
             data += (!i ? '' : ', ') + multiDragElement.textContent;
@@ -3207,12 +2814,10 @@ function MultiDragPlugin() {
         } else {
           data = dragEl.textContent;
         }
-
         dataTransfer.setData('Text', data);
       }
     };
   }
-
   MultiDrag.prototype = {
     multiDragKeyDown: false,
     isMultiDrag: false,
@@ -3225,9 +2830,8 @@ function MultiDragPlugin() {
     },
     setupClone: function setupClone(_ref2) {
       var sortable = _ref2.sortable,
-          cancel = _ref2.cancel;
+        cancel = _ref2.cancel;
       if (!this.isMultiDrag) return;
-
       for (var i = 0; i < multiDragElements.length; i++) {
         multiDragClones.push(clone(multiDragElements[i]));
         multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
@@ -3236,18 +2840,15 @@ function MultiDragPlugin() {
         toggleClass(multiDragClones[i], this.options.selectedClass, false);
         multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
       }
-
       sortable._hideClone();
-
       cancel();
     },
     clone: function clone(_ref3) {
       var sortable = _ref3.sortable,
-          rootEl = _ref3.rootEl,
-          dispatchSortableEvent = _ref3.dispatchSortableEvent,
-          cancel = _ref3.cancel;
+        rootEl = _ref3.rootEl,
+        dispatchSortableEvent = _ref3.dispatchSortableEvent,
+        cancel = _ref3.cancel;
       if (!this.isMultiDrag) return;
-
       if (!this.options.removeCloneOnHide) {
         if (multiDragElements.length && multiDragSortable === sortable) {
           insertMultiDragClones(true, rootEl);
@@ -3258,8 +2859,8 @@ function MultiDragPlugin() {
     },
     showClone: function showClone(_ref4) {
       var cloneNowShown = _ref4.cloneNowShown,
-          rootEl = _ref4.rootEl,
-          cancel = _ref4.cancel;
+        rootEl = _ref4.rootEl,
+        cancel = _ref4.cancel;
       if (!this.isMultiDrag) return;
       insertMultiDragClones(false, rootEl);
       multiDragClones.forEach(function (clone) {
@@ -3271,14 +2872,12 @@ function MultiDragPlugin() {
     },
     hideClone: function hideClone(_ref5) {
       var _this = this;
-
       var sortable = _ref5.sortable,
-          cloneNowHidden = _ref5.cloneNowHidden,
-          cancel = _ref5.cancel;
+        cloneNowHidden = _ref5.cloneNowHidden,
+        cancel = _ref5.cancel;
       if (!this.isMultiDrag) return;
       multiDragClones.forEach(function (clone) {
         css(clone, 'display', 'none');
-
         if (_this.options.removeCloneOnHide && clone.parentNode) {
           clone.parentNode.removeChild(clone);
         }
@@ -3289,15 +2888,14 @@ function MultiDragPlugin() {
     },
     dragStartGlobal: function dragStartGlobal(_ref6) {
       var sortable = _ref6.sortable;
-
       if (!this.isMultiDrag && multiDragSortable) {
         multiDragSortable.multiDrag._deselectMultiDrag();
       }
-
       multiDragElements.forEach(function (multiDragElement) {
         multiDragElement.sortableIndex = index(multiDragElement);
-      }); // Sort multi-drag elements
+      });
 
+      // Sort multi-drag elements
       multiDragElements = multiDragElements.sort(function (a, b) {
         return a.sortableIndex - b.sortableIndex;
       });
@@ -3305,10 +2903,8 @@ function MultiDragPlugin() {
     },
     dragStarted: function dragStarted(_ref7) {
       var _this2 = this;
-
       var sortable = _ref7.sortable;
       if (!this.isMultiDrag) return;
-
       if (this.options.sort) {
         // Capture rects,
         // hide multi drag elements (by positioning them absolute),
@@ -3316,8 +2912,8 @@ function MultiDragPlugin() {
         // show multi drag elements,
         // animate to rects,
         // unset rects & remove from DOM
-        sortable.captureAnimationState();
 
+        sortable.captureAnimationState();
         if (this.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
@@ -3332,18 +2928,16 @@ function MultiDragPlugin() {
           initialFolding = true;
         }
       }
-
       sortable.animateAll(function () {
         folding = false;
         initialFolding = false;
-
         if (_this2.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
-        } // Remove all auxiliary multidrag items from el, if sorting enabled
-
+        }
 
+        // Remove all auxiliary multidrag items from el, if sorting enabled
         if (_this2.options.sort) {
           removeMultiDragElements();
         }
@@ -3351,9 +2945,8 @@ function MultiDragPlugin() {
     },
     dragOver: function dragOver(_ref8) {
       var target = _ref8.target,
-          completed = _ref8.completed,
-          cancel = _ref8.cancel;
-
+        completed = _ref8.completed,
+        cancel = _ref8.cancel;
       if (folding && ~multiDragElements.indexOf(target)) {
         completed(false);
         cancel();
@@ -3361,10 +2954,9 @@ function MultiDragPlugin() {
     },
     revert: function revert(_ref9) {
       var fromSortable = _ref9.fromSortable,
-          rootEl = _ref9.rootEl,
-          sortable = _ref9.sortable,
-          dragRect = _ref9.dragRect;
-
+        rootEl = _ref9.rootEl,
+        sortable = _ref9.sortable,
+        dragRect = _ref9.dragRect;
       if (multiDragElements.length > 1) {
         // Setup unfold animation
         multiDragElements.forEach(function (multiDragElement) {
@@ -3382,47 +2974,44 @@ function MultiDragPlugin() {
     },
     dragOverCompleted: function dragOverCompleted(_ref10) {
       var sortable = _ref10.sortable,
-          isOwner = _ref10.isOwner,
-          insertion = _ref10.insertion,
-          activeSortable = _ref10.activeSortable,
-          parentEl = _ref10.parentEl,
-          putSortable = _ref10.putSortable;
+        isOwner = _ref10.isOwner,
+        insertion = _ref10.insertion,
+        activeSortable = _ref10.activeSortable,
+        parentEl = _ref10.parentEl,
+        putSortable = _ref10.putSortable;
       var options = this.options;
-
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
         if (isOwner) {
           activeSortable._hideClone();
         }
-
-        initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location
-
+        initialFolding = false;
+        // If leaving sort:false root, or already folding - Fold to new location
         if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
           // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
           var dragRectAbsolute = getRect(dragEl$1, false, true, true);
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
-            setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
-            // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
+            setRect(multiDragElement, dragRectAbsolute);
 
+            // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
+            // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
             parentEl.appendChild(multiDragElement);
           });
           folding = true;
-        } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
-
+        }
 
+        // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
         if (!isOwner) {
           // Only remove if not folding (folding will remove them anyways)
           if (!folding) {
             removeMultiDragElements();
           }
-
           if (multiDragElements.length > 1) {
             var clonesHiddenBefore = clonesHidden;
+            activeSortable._showClone(sortable);
 
-            activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden
-
-
+            // Unfold animation for clones if showing from hidden
             if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
               multiDragClones.forEach(function (clone) {
                 activeSortable.addAnimationState({
@@ -3441,12 +3030,11 @@ function MultiDragPlugin() {
     },
     dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
       var dragRect = _ref11.dragRect,
-          isOwner = _ref11.isOwner,
-          activeSortable = _ref11.activeSortable;
+        isOwner = _ref11.isOwner,
+        activeSortable = _ref11.activeSortable;
       multiDragElements.forEach(function (multiDragElement) {
         multiDragElement.thisAnimationDuration = null;
       });
-
       if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
         clonesFromRect = _extends({}, dragRect);
         var dragMatrix = matrix(dragEl$1, true);
@@ -3462,24 +3050,23 @@ function MultiDragPlugin() {
     },
     drop: function drop(_ref12) {
       var evt = _ref12.originalEvent,
-          rootEl = _ref12.rootEl,
-          parentEl = _ref12.parentEl,
-          sortable = _ref12.sortable,
-          dispatchSortableEvent = _ref12.dispatchSortableEvent,
-          oldIndex = _ref12.oldIndex,
-          putSortable = _ref12.putSortable;
+        rootEl = _ref12.rootEl,
+        parentEl = _ref12.parentEl,
+        sortable = _ref12.sortable,
+        dispatchSortableEvent = _ref12.dispatchSortableEvent,
+        oldIndex = _ref12.oldIndex,
+        putSortable = _ref12.putSortable;
       var toSortable = putSortable || this.sortable;
       if (!evt) return;
       var options = this.options,
-          children = parentEl.children; // Multi-drag selection
+        children = parentEl.children;
 
+      // Multi-drag selection
       if (!dragStarted) {
         if (options.multiDragKey && !this.multiDragKeyDown) {
           this._deselectMultiDrag();
         }
-
         toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));
-
         if (!~multiDragElements.indexOf(dragEl$1)) {
           multiDragElements.push(dragEl$1);
           dispatchEvent({
@@ -3488,17 +3075,16 @@ function MultiDragPlugin() {
             name: 'select',
             targetEl: dragEl$1,
             originalEvent: evt
-          }); // Modifier activated, select from last to dragEl
+          });
 
+          // Modifier activated, select from last to dragEl
           if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
             var lastIndex = index(lastMultiDragSelect),
-                currentIndex = index(dragEl$1);
-
+              currentIndex = index(dragEl$1);
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
               // Must include lastMultiDragSelect (select it), in case modified selection from no selection
               // (but previous selection existed)
               var n, i;
-
               if (currentIndex > lastIndex) {
                 i = lastIndex;
                 n = currentIndex;
@@ -3506,7 +3092,6 @@ function MultiDragPlugin() {
                 i = currentIndex;
                 n = lastIndex + 1;
               }
-
               for (; i < n; i++) {
                 if (~multiDragElements.indexOf(children[i])) continue;
                 toggleClass(children[i], options.selectedClass, true);
@@ -3523,7 +3108,6 @@ function MultiDragPlugin() {
           } else {
             lastMultiDragSelect = dragEl$1;
           }
-
           multiDragSortable = toSortable;
         } else {
           multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
@@ -3536,38 +3120,37 @@ function MultiDragPlugin() {
             originalEvent: evt
           });
         }
-      } // Multi-drag drop
-
+      }
 
+      // Multi-drag drop
       if (dragStarted && this.isMultiDrag) {
-        folding = false; // Do not "unfold" after around dragEl if reverted
-
+        folding = false;
+        // Do not "unfold" after around dragEl if reverted
         if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
           var dragRect = getRect(dragEl$1),
-              multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
+            multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
           if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
           toSortable.captureAnimationState();
-
           if (!initialFolding) {
             if (options.animation) {
               dragEl$1.fromRect = dragRect;
               multiDragElements.forEach(function (multiDragElement) {
                 multiDragElement.thisAnimationDuration = null;
-
                 if (multiDragElement !== dragEl$1) {
                   var rect = folding ? getRect(multiDragElement) : dragRect;
-                  multiDragElement.fromRect = rect; // Prepare unfold animation
+                  multiDragElement.fromRect = rect;
 
+                  // Prepare unfold animation
                   toSortable.addAnimationState({
                     target: multiDragElement,
                     rect: rect
                   });
                 }
               });
-            } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
-            // properly they must all be removed
-
+            }
 
+            // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
+            // properly they must all be removed
             removeMultiDragElements();
             multiDragElements.forEach(function (multiDragElement) {
               if (children[multiDragIndex]) {
@@ -3575,12 +3158,12 @@ function MultiDragPlugin() {
               } else {
                 parentEl.appendChild(multiDragElement);
               }
-
               multiDragIndex++;
-            }); // If initial folding is done, the elements may have changed position because they are now
+            });
+
+            // If initial folding is done, the elements may have changed position because they are now
             // unfolding around dragEl, even though dragEl may not have his index changed, so update event
             // must be fired here as Sortable will not.
-
             if (oldIndex === index(dragEl$1)) {
               var update = false;
               multiDragElements.forEach(function (multiDragElement) {
@@ -3589,24 +3172,23 @@ function MultiDragPlugin() {
                   return;
                 }
               });
-
               if (update) {
                 dispatchSortableEvent('update');
+                dispatchSortableEvent('sort');
               }
             }
-          } // Must be done after capturing individual rects (scroll bar)
-
+          }
 
+          // Must be done after capturing individual rects (scroll bar)
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
           toSortable.animateAll();
         }
-
         multiDragSortable = toSortable;
-      } // Remove clones if necessary
-
+      }
 
+      // Remove clones if necessary
       if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
         multiDragClones.forEach(function (clone) {
           clone.parentNode && clone.parentNode.removeChild(clone);
@@ -3619,7 +3201,6 @@ function MultiDragPlugin() {
     },
     destroyGlobal: function destroyGlobal() {
       this._deselectMultiDrag();
-
       off(document, 'pointerup', this._deselectMultiDrag);
       off(document, 'mouseup', this._deselectMultiDrag);
       off(document, 'touchend', this._deselectMultiDrag);
@@ -3627,14 +3208,16 @@ function MultiDragPlugin() {
       off(document, 'keyup', this._checkKeyUp);
     },
     _deselectMultiDrag: function _deselectMultiDrag(evt) {
-      if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
+      if (typeof dragStarted !== "undefined" && dragStarted) return;
 
-      if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
+      // Only deselect if selection is in this sortable
+      if (multiDragSortable !== this.sortable) return;
 
-      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+      // Only deselect if target is not item in this sortable
+      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return;
 
+      // Only deselect if left click
       if (evt && evt.button !== 0) return;
-
       while (multiDragElements.length) {
         var el = multiDragElements[0];
         toggleClass(el, this.options.selectedClass, false);
@@ -3670,24 +3253,20 @@ function MultiDragPlugin() {
       select: function select(el) {
         var sortable = el.parentNode[expando];
         if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;
-
         if (multiDragSortable && multiDragSortable !== sortable) {
           multiDragSortable.multiDrag._deselectMultiDrag();
-
           multiDragSortable = sortable;
         }
-
         toggleClass(el, sortable.options.selectedClass, true);
         multiDragElements.push(el);
       },
-
       /**
        * Deselects the provided multi-drag item
        * @param  {HTMLElement} el    The element to be deselected
        */
       deselect: function deselect(el) {
         var sortable = el.parentNode[expando],
-            index = multiDragElements.indexOf(el);
+          index = multiDragElements.indexOf(el);
         if (!sortable || !sortable.options.multiDrag || !~index) return;
         toggleClass(el, sortable.options.selectedClass, false);
         multiDragElements.splice(index, 1);
@@ -3695,17 +3274,16 @@ function MultiDragPlugin() {
     },
     eventProperties: function eventProperties() {
       var _this3 = this;
-
       var oldIndicies = [],
-          newIndicies = [];
+        newIndicies = [];
       multiDragElements.forEach(function (multiDragElement) {
         oldIndicies.push({
           multiDragElement: multiDragElement,
           index: multiDragElement.sortableIndex
-        }); // multiDragElements will already be sorted if folding
+        });
 
+        // multiDragElements will already be sorted if folding
         var newIndex;
-
         if (folding && multiDragElement !== dragEl$1) {
           newIndex = -1;
         } else if (folding) {
@@ -3713,7 +3291,6 @@ function MultiDragPlugin() {
         } else {
           newIndex = index(multiDragElement);
         }
-
         newIndicies.push({
           multiDragElement: multiDragElement,
           index: newIndex
@@ -3729,23 +3306,19 @@ function MultiDragPlugin() {
     optionListeners: {
       multiDragKey: function multiDragKey(key) {
         key = key.toLowerCase();
-
         if (key === 'ctrl') {
           key = 'Control';
         } else if (key.length > 1) {
           key = key.charAt(0).toUpperCase() + key.substr(1);
         }
-
         return key;
       }
     }
   });
 }
-
 function insertMultiDragElements(clonesInserted, rootEl) {
   multiDragElements.forEach(function (multiDragElement, i) {
     var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
-
     if (target) {
       rootEl.insertBefore(multiDragElement, target);
     } else {
@@ -3753,17 +3326,15 @@ function insertMultiDragElements(clonesInserted, rootEl) {
     }
   });
 }
+
 /**
  * Insert multi-drag clones
  * @param  {[Boolean]} elementsInserted  Whether the multi-drag elements are inserted
  * @param  {HTMLElement} rootEl
  */
-
-
 function insertMultiDragClones(elementsInserted, rootEl) {
   multiDragClones.forEach(function (clone, i) {
     var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
-
     if (target) {
       rootEl.insertBefore(clone, target);
     } else {
@@ -3771,7 +3342,6 @@ function insertMultiDragClones(elementsInserted, rootEl) {
     }
   });
 }
-
 function removeMultiDragElements() {
   multiDragElements.forEach(function (multiDragElement) {
     if (multiDragElement === dragEl$1) return;
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 6ec7ed1bb..eeae29e0a 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,31 +1,25 @@
 /**!
- * Sortable 1.15.0
+ * Sortable 1.15.1
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
 function ownKeys(object, enumerableOnly) {
   var keys = Object.keys(object);
-
   if (Object.getOwnPropertySymbols) {
     var symbols = Object.getOwnPropertySymbols(object);
-
     if (enumerableOnly) {
       symbols = symbols.filter(function (sym) {
         return Object.getOwnPropertyDescriptor(object, sym).enumerable;
       });
     }
-
     keys.push.apply(keys, symbols);
   }
-
   return keys;
 }
-
 function _objectSpread2(target) {
   for (var i = 1; i < arguments.length; i++) {
     var source = arguments[i] != null ? arguments[i] : {};
-
     if (i % 2) {
       ownKeys(Object(source), true).forEach(function (key) {
         _defineProperty(target, key, source[key]);
@@ -38,10 +32,8 @@ function _objectSpread2(target) {
       });
     }
   }
-
   return target;
 }
-
 function _typeof(obj) {
   "@babel/helpers - typeof";
 
@@ -54,10 +46,8 @@ function _typeof(obj) {
       return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
     };
   }
-
   return _typeof(obj);
 }
-
 function _defineProperty(obj, key, value) {
   if (key in obj) {
     Object.defineProperty(obj, key, {
@@ -69,53 +59,40 @@ function _defineProperty(obj, key, value) {
   } else {
     obj[key] = value;
   }
-
   return obj;
 }
-
 function _extends() {
   _extends = Object.assign || function (target) {
     for (var i = 1; i < arguments.length; i++) {
       var source = arguments[i];
-
       for (var key in source) {
         if (Object.prototype.hasOwnProperty.call(source, key)) {
           target[key] = source[key];
         }
       }
     }
-
     return target;
   };
-
   return _extends.apply(this, arguments);
 }
-
 function _objectWithoutPropertiesLoose(source, excluded) {
   if (source == null) return {};
   var target = {};
   var sourceKeys = Object.keys(source);
   var key, i;
-
   for (i = 0; i < sourceKeys.length; i++) {
     key = sourceKeys[i];
     if (excluded.indexOf(key) >= 0) continue;
     target[key] = source[key];
   }
-
   return target;
 }
-
 function _objectWithoutProperties(source, excluded) {
   if (source == null) return {};
-
   var target = _objectWithoutPropertiesLoose(source, excluded);
-
   var key, i;
-
   if (Object.getOwnPropertySymbols) {
     var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-
     for (i = 0; i < sourceSymbolKeys.length; i++) {
       key = sourceSymbolKeys[i];
       if (excluded.indexOf(key) >= 0) continue;
@@ -123,22 +100,17 @@ function _objectWithoutProperties(source, excluded) {
       target[key] = source[key];
     }
   }
-
   return target;
 }
-
 function _toConsumableArray(arr) {
   return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
 }
-
 function _arrayWithoutHoles(arr) {
   if (Array.isArray(arr)) return _arrayLikeToArray(arr);
 }
-
 function _iterableToArray(iter) {
   if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
 }
-
 function _unsupportedIterableToArray(o, minLen) {
   if (!o) return;
   if (typeof o === "string") return _arrayLikeToArray(o, minLen);
@@ -147,27 +119,22 @@ function _unsupportedIterableToArray(o, minLen) {
   if (n === "Map" || n === "Set") return Array.from(o);
   if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
 }
-
 function _arrayLikeToArray(arr, len) {
   if (len == null || len > arr.length) len = arr.length;
-
   for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-
   return arr2;
 }
-
 function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.0";
+var version = "1.15.1";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
     return !! /*@__PURE__*/navigator.userAgent.match(pattern);
   }
 }
-
 var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
 var Edge = userAgent(/Edge/i);
 var FireFox = userAgent(/firefox/i);
@@ -179,23 +146,15 @@ var captureMode = {
   capture: false,
   passive: false
 };
-
 function on(el, event, fn) {
   el.addEventListener(event, fn, !IE11OrLess && captureMode);
 }
-
 function off(el, event, fn) {
   el.removeEventListener(event, fn, !IE11OrLess && captureMode);
 }
-
-function matches(
-/**HTMLElement*/
-el,
-/**String*/
-selector) {
+function matches( /**HTMLElement*/el, /**String*/selector) {
   if (!selector) return;
   selector[0] === '>' && (selector = selector.substring(1));
-
   if (el) {
     try {
       if (el.matches) {
@@ -209,39 +168,25 @@ selector) {
       return false;
     }
   }
-
   return false;
 }
-
 function getParentOrHost(el) {
   return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
 }
-
-function closest(
-/**HTMLElement*/
-el,
-/**String*/
-selector,
-/**HTMLElement*/
-ctx, includeCTX) {
+function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
   if (el) {
     ctx = ctx || document;
-
     do {
       if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
         return el;
       }
-
       if (el === ctx) break;
       /* jshint boss:true */
     } while (el = getParentOrHost(el));
   }
-
   return null;
 }
-
 var R_SPACE = /\s+/g;
-
 function toggleClass(el, name, state) {
   if (el && name) {
     if (el.classList) {
@@ -252,10 +197,8 @@ function toggleClass(el, name, state) {
     }
   }
 }
-
 function css(el, prop, val) {
   var style = el && el.style;
-
   if (style) {
     if (val === void 0) {
       if (document.defaultView && document.defaultView.getComputedStyle) {
@@ -263,68 +206,55 @@ function css(el, prop, val) {
       } else if (el.currentStyle) {
         val = el.currentStyle;
       }
-
       return prop === void 0 ? val : val[prop];
     } else {
       if (!(prop in style) && prop.indexOf('webkit') === -1) {
         prop = '-webkit-' + prop;
       }
-
       style[prop] = val + (typeof val === 'string' ? '' : 'px');
     }
   }
 }
-
 function matrix(el, selfOnly) {
   var appliedTransforms = '';
-
   if (typeof el === 'string') {
     appliedTransforms = el;
   } else {
     do {
       var transform = css(el, 'transform');
-
       if (transform && transform !== 'none') {
         appliedTransforms = transform + ' ' + appliedTransforms;
       }
       /* jshint boss:true */
-
     } while (!selfOnly && (el = el.parentNode));
   }
-
   var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
   /*jshint -W056 */
-
   return matrixFn && new matrixFn(appliedTransforms);
 }
-
 function find(ctx, tagName, iterator) {
   if (ctx) {
     var list = ctx.getElementsByTagName(tagName),
-        i = 0,
-        n = list.length;
-
+      i = 0,
+      n = list.length;
     if (iterator) {
       for (; i < n; i++) {
         iterator(list[i], i);
       }
     }
-
     return list;
   }
-
   return [];
 }
-
 function getWindowScrollingElement() {
   var scrollingElement = document.scrollingElement;
-
   if (scrollingElement) {
     return scrollingElement;
   } else {
     return document.documentElement;
   }
 }
+
 /**
  * Returns the "bounding client rect" of given element
  * @param  {HTMLElement} el                       The element whose boundingClientRect is wanted
@@ -334,12 +264,9 @@ function getWindowScrollingElement() {
  * @param  {[HTMLElement]} container              The parent the element will be placed in
  * @return {Object}                               The boundingClientRect of el, with specified adjustments
  */
-
-
 function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
   if (!el.getBoundingClientRect && el !== window) return;
   var elRect, top, left, bottom, right, height, width;
-
   if (el !== window && el.parentNode && el !== getWindowScrollingElement()) {
     elRect = el.getBoundingClientRect();
     top = elRect.top;
@@ -356,17 +283,18 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
     height = window.innerHeight;
     width = window.innerWidth;
   }
-
   if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
     // Adjust for translate()
-    container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
-    // Not needed on <= IE11
+    container = container || el.parentNode;
 
+    // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
+    // Not needed on <= IE11
     if (!IE11OrLess) {
       do {
         if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
-          var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container
+          var containerRect = container.getBoundingClientRect();
 
+          // Set relative to edges of padding box of container
           top -= containerRect.top + parseInt(css(container, 'border-top-width'));
           left -= containerRect.left + parseInt(css(container, 'border-left-width'));
           bottom = top + elRect.height;
@@ -374,17 +302,14 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
           break;
         }
         /* jshint boss:true */
-
       } while (container = container.parentNode);
     }
   }
-
   if (undoScale && el !== window) {
     // Adjust for scale()
     var elMatrix = matrix(container || el),
-        scaleX = elMatrix && elMatrix.a,
-        scaleY = elMatrix && elMatrix.d;
-
+      scaleX = elMatrix && elMatrix.a,
+      scaleY = elMatrix && elMatrix.d;
     if (elMatrix) {
       top /= scaleY;
       left /= scaleX;
@@ -394,7 +319,6 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
       right = left + width;
     }
   }
-
   return {
     top: top,
     left: left,
@@ -404,6 +328,27 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
     height: height
   };
 }
+
+/**
+ * Returns the content rect of the element (bounding rect minus border and padding)
+ * @param {HTMLElement} el 
+ */
+function getContentRect(el) {
+  var rect = getRect(el);
+  var paddingLeft = parseInt(css(el, 'padding-left')),
+    paddingTop = parseInt(css(el, 'padding-top')),
+    paddingRight = parseInt(css(el, 'padding-right')),
+    paddingBottom = parseInt(css(el, 'padding-bottom'));
+  rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
+  rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
+  // Client Width/Height includes padding only
+  rect.width = el.clientWidth - paddingLeft - paddingRight;
+  rect.height = el.clientHeight - paddingTop - paddingBottom;
+  rect.bottom = rect.top + rect.height;
+  rect.right = rect.left + rect.width;
+  return rect;
+}
+
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -411,30 +356,26 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
  * @param  {String}       parentSide   Side of the parent in question ('top', 'left', 'right', 'bottom')
  * @return {HTMLElement}               The parent scroll element that the el's side is scrolled past, or null if there is no such element
  */
-
-
 function isScrolledPast(el, elSide, parentSide) {
   var parent = getParentAutoScrollElement(el, true),
-      elSideVal = getRect(el)[elSide];
-  /* jshint boss:true */
+    elSideVal = getRect(el)[elSide];
 
+  /* jshint boss:true */
   while (parent) {
     var parentSideVal = getRect(parent)[parentSide],
-        visible = void 0;
-
+      visible = void 0;
     if (parentSide === 'top' || parentSide === 'left') {
       visible = elSideVal >= parentSideVal;
     } else {
       visible = elSideVal <= parentSideVal;
     }
-
     if (!visible) return parent;
     if (parent === getWindowScrollingElement()) break;
     parent = getParentAutoScrollElement(parent, false);
   }
-
   return false;
 }
+
 /**
  * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
  * and non-draggable elements
@@ -443,44 +384,36 @@ function isScrolledPast(el, elSide, parentSide) {
  * @param  {Object} options       Parent Sortable's options
  * @return {HTMLElement}          The child at index childNum, or null if not found
  */
-
-
 function getChild(el, childNum, options, includeDragEl) {
   var currentChild = 0,
-      i = 0,
-      children = el.children;
-
+    i = 0,
+    children = el.children;
   while (i < children.length) {
     if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && (includeDragEl || children[i] !== Sortable.dragged) && closest(children[i], options.draggable, el, false)) {
       if (currentChild === childNum) {
         return children[i];
       }
-
       currentChild++;
     }
-
     i++;
   }
-
   return null;
 }
+
 /**
  * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
  * @param  {HTMLElement} el       Parent element
  * @param  {selector} selector    Any other elements that should be ignored
  * @return {HTMLElement}          The last child, ignoring ghostEl
  */
-
-
 function lastChild(el, selector) {
   var last = el.lastElementChild;
-
   while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
     last = last.previousElementSibling;
   }
-
   return last || null;
 }
+
 /**
  * Returns the index of an element within its parent for a selected set of
  * elements
@@ -488,81 +421,67 @@ function lastChild(el, selector) {
  * @param  {selector} selector
  * @return {number}
  */
-
-
 function index(el, selector) {
   var index = 0;
-
   if (!el || !el.parentNode) {
     return -1;
   }
-  /* jshint boss:true */
-
 
+  /* jshint boss:true */
   while (el = el.previousElementSibling) {
     if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
       index++;
     }
   }
-
   return index;
 }
+
 /**
  * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
  * The value is returned in real pixels.
  * @param  {HTMLElement} el
  * @return {Array}             Offsets in the format of [left, top]
  */
-
-
 function getRelativeScrollOffset(el) {
   var offsetLeft = 0,
-      offsetTop = 0,
-      winScroller = getWindowScrollingElement();
-
+    offsetTop = 0,
+    winScroller = getWindowScrollingElement();
   if (el) {
     do {
       var elMatrix = matrix(el),
-          scaleX = elMatrix.a,
-          scaleY = elMatrix.d;
+        scaleX = elMatrix.a,
+        scaleY = elMatrix.d;
       offsetLeft += el.scrollLeft * scaleX;
       offsetTop += el.scrollTop * scaleY;
     } while (el !== winScroller && (el = el.parentNode));
   }
-
   return [offsetLeft, offsetTop];
 }
+
 /**
  * Returns the index of the object within the given array
  * @param  {Array} arr   Array that may or may not hold the object
  * @param  {Object} obj  An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
  * @return {Number}      The index of the object in the array, or -1
  */
-
-
 function indexOfObject(arr, obj) {
   for (var i in arr) {
     if (!arr.hasOwnProperty(i)) continue;
-
     for (var key in obj) {
       if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
     }
   }
-
   return -1;
 }
-
 function getParentAutoScrollElement(el, includeSelf) {
   // skip to window
   if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
   var elem = el;
   var gotSelf = false;
-
   do {
     // we don't need to get elem css if it isn't even overflowing in the first place (performance)
     if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
       var elemCSS = css(elem);
-
       if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
         if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
         if (gotSelf || includeSelf) return elem;
@@ -570,12 +489,9 @@ function getParentAutoScrollElement(el, includeSelf) {
       }
     }
     /* jshint boss:true */
-
   } while (elem = elem.parentNode);
-
   return getWindowScrollingElement();
 }
-
 function extend(dst, src) {
   if (dst && src) {
     for (var key in src) {
@@ -584,49 +500,39 @@ function extend(dst, src) {
       }
     }
   }
-
   return dst;
 }
-
 function isRectEqual(rect1, rect2) {
   return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
 }
-
 var _throttleTimeout;
-
 function throttle(callback, ms) {
   return function () {
     if (!_throttleTimeout) {
       var args = arguments,
-          _this = this;
-
+        _this = this;
       if (args.length === 1) {
         callback.call(_this, args[0]);
       } else {
         callback.apply(_this, args);
       }
-
       _throttleTimeout = setTimeout(function () {
         _throttleTimeout = void 0;
       }, ms);
     }
   };
 }
-
 function cancelThrottle() {
   clearTimeout(_throttleTimeout);
   _throttleTimeout = void 0;
 }
-
 function scrollBy(el, x, y) {
   el.scrollLeft += x;
   el.scrollTop += y;
 }
-
 function clone(el) {
   var Polymer = window.Polymer;
   var $ = window.jQuery || window.Zepto;
-
   if (Polymer && Polymer.dom) {
     return Polymer.dom(el).cloneNode(true);
   } else if ($) {
@@ -635,7 +541,6 @@ function clone(el) {
     return el.cloneNode(true);
   }
 }
-
 function setRect(el, rect) {
   css(el, 'position', 'absolute');
   css(el, 'top', rect.top);
@@ -643,7 +548,6 @@ function setRect(el, rect) {
   css(el, 'width', rect.width);
   css(el, 'height', rect.height);
 }
-
 function unsetRect(el) {
   css(el, 'position', '');
   css(el, 'top', '');
@@ -651,12 +555,11 @@ function unsetRect(el) {
   css(el, 'width', '');
   css(el, 'height', '');
 }
-
 var expando = 'Sortable' + new Date().getTime();
 
 function AnimationStateManager() {
   var animationStates = [],
-      animationCallbackId;
+    animationCallbackId;
   return {
     captureAnimationState: function captureAnimationState() {
       animationStates = [];
@@ -668,19 +571,16 @@ function AnimationStateManager() {
           target: child,
           rect: getRect(child)
         });
+        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect);
 
-        var fromRect = _objectSpread2({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
-
-
+        // If animating: compensate for current animation
         if (child.thisAnimationDuration) {
           var childMatrix = matrix(child, true);
-
           if (childMatrix) {
             fromRect.top -= childMatrix.f;
             fromRect.left -= childMatrix.e;
           }
         }
-
         child.fromRect = fromRect;
       });
     },
@@ -694,54 +594,47 @@ function AnimationStateManager() {
     },
     animateAll: function animateAll(callback) {
       var _this = this;
-
       if (!this.options.animation) {
         clearTimeout(animationCallbackId);
         if (typeof callback === 'function') callback();
         return;
       }
-
       var animating = false,
-          animationTime = 0;
+        animationTime = 0;
       animationStates.forEach(function (state) {
         var time = 0,
-            target = state.target,
-            fromRect = target.fromRect,
-            toRect = getRect(target),
-            prevFromRect = target.prevFromRect,
-            prevToRect = target.prevToRect,
-            animatingRect = state.rect,
-            targetMatrix = matrix(target, true);
-
+          target = state.target,
+          fromRect = target.fromRect,
+          toRect = getRect(target),
+          prevFromRect = target.prevFromRect,
+          prevToRect = target.prevToRect,
+          animatingRect = state.rect,
+          targetMatrix = matrix(target, true);
         if (targetMatrix) {
           // Compensate for current animation
           toRect.top -= targetMatrix.f;
           toRect.left -= targetMatrix.e;
         }
-
         target.toRect = toRect;
-
         if (target.thisAnimationDuration) {
           // Could also check if animatingRect is between fromRect and toRect
-          if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
+          if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) &&
+          // Make sure animatingRect is on line between toRect & fromRect
           (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
             // If returning to same place as started from animation and on same axis
             time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
           }
-        } // if fromRect != toRect: animate
-
+        }
 
+        // if fromRect != toRect: animate
         if (!isRectEqual(toRect, fromRect)) {
           target.prevFromRect = fromRect;
           target.prevToRect = toRect;
-
           if (!time) {
             time = _this.options.animation;
           }
-
           _this.animate(target, animatingRect, toRect, time);
         }
-
         if (time) {
           animating = true;
           animationTime = Math.max(animationTime, time);
@@ -757,7 +650,6 @@ function AnimationStateManager() {
         }
       });
       clearTimeout(animationCallbackId);
-
       if (!animating) {
         if (typeof callback === 'function') callback();
       } else {
@@ -765,7 +657,6 @@ function AnimationStateManager() {
           if (typeof callback === 'function') callback();
         }, animationTime);
       }
-
       animationStates = [];
     },
     animate: function animate(target, currentRect, toRect, duration) {
@@ -773,10 +664,10 @@ function AnimationStateManager() {
         css(target, 'transition', '');
         css(target, 'transform', '');
         var elMatrix = matrix(this.el),
-            scaleX = elMatrix && elMatrix.a,
-            scaleY = elMatrix && elMatrix.d,
-            translateX = (currentRect.left - toRect.left) / (scaleX || 1),
-            translateY = (currentRect.top - toRect.top) / (scaleY || 1);
+          scaleX = elMatrix && elMatrix.a,
+          scaleY = elMatrix && elMatrix.d,
+          translateX = (currentRect.left - toRect.left) / (scaleX || 1),
+          translateY = (currentRect.top - toRect.top) / (scaleY || 1);
         target.animatingX = !!translateX;
         target.animatingY = !!translateY;
         css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
@@ -796,11 +687,9 @@ function AnimationStateManager() {
     }
   };
 }
-
 function repaint(target) {
   return target.offsetWidth;
 }
-
 function calculateRealTime(animatingRect, fromRect, toRect, options) {
   return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
 }
@@ -817,7 +706,6 @@ var PluginManager = {
         plugin[option] = defaults[option];
       }
     }
-
     plugins.forEach(function (p) {
       if (p.pluginName === plugin.pluginName) {
         throw "Sortable: Cannot mount plugin ".concat(plugin.pluginName, " more than once");
@@ -827,25 +715,22 @@ var PluginManager = {
   },
   pluginEvent: function pluginEvent(eventName, sortable, evt) {
     var _this = this;
-
     this.eventCanceled = false;
-
     evt.cancel = function () {
       _this.eventCanceled = true;
     };
-
     var eventNameGlobal = eventName + 'Global';
     plugins.forEach(function (plugin) {
-      if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
-
+      if (!sortable[plugin.pluginName]) return;
+      // Fire global events if it exists in this sortable
       if (sortable[plugin.pluginName][eventNameGlobal]) {
         sortable[plugin.pluginName][eventNameGlobal](_objectSpread2({
           sortable: sortable
         }, evt));
-      } // Only fire plugin event if plugin is enabled in this sortable,
-      // and plugin has event defined
-
+      }
 
+      // Only fire plugin event if plugin is enabled in this sortable,
+      // and plugin has event defined
       if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
         sortable[plugin.pluginName][eventName](_objectSpread2({
           sortable: sortable
@@ -860,15 +745,14 @@ var PluginManager = {
       var initialized = new plugin(sortable, el, sortable.options);
       initialized.sortable = sortable;
       initialized.options = sortable.options;
-      sortable[pluginName] = initialized; // Add default options from plugin
+      sortable[pluginName] = initialized;
 
+      // Add default options from plugin
       _extends(defaults, initialized.defaults);
     });
-
     for (var option in sortable.options) {
       if (!sortable.options.hasOwnProperty(option)) continue;
       var modified = this.modifyOption(sortable, option, sortable.options[option]);
-
       if (typeof modified !== 'undefined') {
         sortable.options[option] = modified;
       }
@@ -878,7 +762,6 @@ var PluginManager = {
     var eventProperties = {};
     plugins.forEach(function (plugin) {
       if (typeof plugin.eventProperties !== 'function') return;
-
       _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
     });
     return eventProperties;
@@ -887,8 +770,9 @@ var PluginManager = {
     var modifiedValue;
     plugins.forEach(function (plugin) {
       // Plugin must exist on the Sortable
-      if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
+      if (!sortable[plugin.pluginName]) return;
 
+      // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
       if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
         modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
       }
@@ -899,25 +783,25 @@ var PluginManager = {
 
 function dispatchEvent(_ref) {
   var sortable = _ref.sortable,
-      rootEl = _ref.rootEl,
-      name = _ref.name,
-      targetEl = _ref.targetEl,
-      cloneEl = _ref.cloneEl,
-      toEl = _ref.toEl,
-      fromEl = _ref.fromEl,
-      oldIndex = _ref.oldIndex,
-      newIndex = _ref.newIndex,
-      oldDraggableIndex = _ref.oldDraggableIndex,
-      newDraggableIndex = _ref.newDraggableIndex,
-      originalEvent = _ref.originalEvent,
-      putSortable = _ref.putSortable,
-      extraEventProperties = _ref.extraEventProperties;
+    rootEl = _ref.rootEl,
+    name = _ref.name,
+    targetEl = _ref.targetEl,
+    cloneEl = _ref.cloneEl,
+    toEl = _ref.toEl,
+    fromEl = _ref.fromEl,
+    oldIndex = _ref.oldIndex,
+    newIndex = _ref.newIndex,
+    oldDraggableIndex = _ref.oldDraggableIndex,
+    newDraggableIndex = _ref.newDraggableIndex,
+    originalEvent = _ref.originalEvent,
+    putSortable = _ref.putSortable,
+    extraEventProperties = _ref.extraEventProperties;
   sortable = sortable || rootEl && rootEl[expando];
   if (!sortable) return;
   var evt,
-      options = sortable.options,
-      onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
-
+    options = sortable.options,
+    onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1);
+  // Support for new CustomEvent feature
   if (window.CustomEvent && !IE11OrLess && !Edge) {
     evt = new CustomEvent(name, {
       bubbles: true,
@@ -927,7 +811,6 @@ function dispatchEvent(_ref) {
     evt = document.createEvent('Event');
     evt.initEvent(name, true, true);
   }
-
   evt.to = toEl || rootEl;
   evt.from = fromEl || rootEl;
   evt.item = targetEl || rootEl;
@@ -938,29 +821,23 @@ function dispatchEvent(_ref) {
   evt.newDraggableIndex = newDraggableIndex;
   evt.originalEvent = originalEvent;
   evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
-
   var allEventProperties = _objectSpread2(_objectSpread2({}, extraEventProperties), PluginManager.getEventProperties(name, sortable));
-
   for (var option in allEventProperties) {
     evt[option] = allEventProperties[option];
   }
-
   if (rootEl) {
     rootEl.dispatchEvent(evt);
   }
-
   if (options[onName]) {
     options[onName].call(sortable, evt);
   }
 }
 
 var _excluded = ["evt"];
-
 var pluginEvent = function pluginEvent(eventName, sortable) {
   var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-      originalEvent = _ref.evt,
-      data = _objectWithoutProperties(_ref, _excluded);
-
+    originalEvent = _ref.evt,
+    data = _objectWithoutProperties(_ref, _excluded);
   PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread2({
     dragEl: dragEl,
     parentEl: parentEl,
@@ -995,7 +872,6 @@ var pluginEvent = function pluginEvent(eventName, sortable) {
     }
   }, data));
 };
-
 function _dispatchEvent(info) {
   dispatchEvent(_objectSpread2({
     putSortable: putSortable,
@@ -1008,62 +884,61 @@ function _dispatchEvent(info) {
     newDraggableIndex: newDraggableIndex
   }, info));
 }
-
 var dragEl,
-    parentEl,
-    ghostEl,
-    rootEl,
-    nextEl,
-    lastDownEl,
-    cloneEl,
-    cloneHidden,
-    oldIndex,
-    newIndex,
-    oldDraggableIndex,
-    newDraggableIndex,
-    activeGroup,
-    putSortable,
-    awaitingDragStarted = false,
-    ignoreNextClick = false,
-    sortables = [],
-    tapEvt,
-    touchEvt,
-    lastDx,
-    lastDy,
-    tapDistanceLeft,
-    tapDistanceTop,
-    moved,
-    lastTarget,
-    lastDirection,
-    pastFirstInvertThresh = false,
-    isCircumstantialInvert = false,
-    targetMoveDistance,
-    // For positioning ghost absolutely
-ghostRelativeParent,
-    ghostRelativeParentInitialScroll = [],
-    // (left, top)
-_silent = false,
-    savedInputChecked = [];
-/** @const */
+  parentEl,
+  ghostEl,
+  rootEl,
+  nextEl,
+  lastDownEl,
+  cloneEl,
+  cloneHidden,
+  oldIndex,
+  newIndex,
+  oldDraggableIndex,
+  newDraggableIndex,
+  activeGroup,
+  putSortable,
+  awaitingDragStarted = false,
+  ignoreNextClick = false,
+  sortables = [],
+  tapEvt,
+  touchEvt,
+  lastDx,
+  lastDy,
+  tapDistanceLeft,
+  tapDistanceTop,
+  moved,
+  lastTarget,
+  lastDirection,
+  pastFirstInvertThresh = false,
+  isCircumstantialInvert = false,
+  targetMoveDistance,
+  // For positioning ghost absolutely
+  ghostRelativeParent,
+  ghostRelativeParentInitialScroll = [],
+  // (left, top)
+
+  _silent = false,
+  savedInputChecked = [];
 
+/** @const */
 var documentExists = typeof document !== 'undefined',
-    PositionGhostAbsolutely = IOS,
-    CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
-    // This will not pass for IE9, because IE9 DnD only works on anchors
-supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
-    supportCssPointerEvents = function () {
-  if (!documentExists) return; // false when <= IE11
-
-  if (IE11OrLess) {
-    return false;
-  }
-
-  var el = document.createElement('x');
-  el.style.cssText = 'pointer-events:auto';
-  return el.style.pointerEvents === 'auto';
-}(),
-    _detectDirection = function _detectDirection(el, options) {
-  var elCSS = css(el),
+  PositionGhostAbsolutely = IOS,
+  CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
+  // This will not pass for IE9, because IE9 DnD only works on anchors
+  supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
+  supportCssPointerEvents = function () {
+    if (!documentExists) return;
+    // false when <= IE11
+    if (IE11OrLess) {
+      return false;
+    }
+    var el = document.createElement('x');
+    el.style.cssText = 'pointer-events:auto';
+    return el.style.pointerEvents === 'auto';
+  }(),
+  _detectDirection = function _detectDirection(el, options) {
+    var elCSS = css(el),
       elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
       child1 = getChild(el, 0, options),
       child2 = getChild(el, 1, options),
@@ -1071,102 +946,92 @@ supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in
       secondChildCSS = child2 && css(child2),
       firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
       secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;
-
-  if (elCSS.display === 'flex') {
-    return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
-  }
-
-  if (elCSS.display === 'grid') {
-    return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
-  }
-
-  if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
-    var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
-    return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
-  }
-
-  return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
-},
-    _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
-  var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
+    if (elCSS.display === 'flex') {
+      return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
+    }
+    if (elCSS.display === 'grid') {
+      return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
+    }
+    if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
+      var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
+      return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
+    }
+    return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
+  },
+  _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
+    var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
       dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
       dragElOppLength = vertical ? dragRect.width : dragRect.height,
       targetS1Opp = vertical ? targetRect.left : targetRect.top,
       targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
       targetOppLength = vertical ? targetRect.width : targetRect.height;
-  return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
-},
-
-/**
- * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
- * @param  {Number} x      X position
- * @param  {Number} y      Y position
- * @return {HTMLElement}   Element of the first found nearest Sortable
- */
-_detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
-  var ret;
-  sortables.some(function (sortable) {
-    var threshold = sortable[expando].options.emptyInsertThreshold;
-    if (!threshold || lastChild(sortable)) return;
-    var rect = getRect(sortable),
+    return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
+  },
+  /**
+   * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
+   * @param  {Number} x      X position
+   * @param  {Number} y      Y position
+   * @return {HTMLElement}   Element of the first found nearest Sortable
+   */
+  _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
+    var ret;
+    sortables.some(function (sortable) {
+      var threshold = sortable[expando].options.emptyInsertThreshold;
+      if (!threshold || lastChild(sortable)) return;
+      var rect = getRect(sortable),
         insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
         insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
-
-    if (insideHorizontally && insideVertically) {
-      return ret = sortable;
-    }
-  });
-  return ret;
-},
-    _prepareGroup = function _prepareGroup(options) {
-  function toFn(value, pull) {
-    return function (to, from, dragEl, evt) {
-      var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
-
-      if (value == null && (pull || sameGroup)) {
-        // Default pull value
-        // Default pull and put value if same group
-        return true;
-      } else if (value == null || value === false) {
-        return false;
-      } else if (pull && value === 'clone') {
-        return value;
-      } else if (typeof value === 'function') {
-        return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
-      } else {
-        var otherGroup = (pull ? to : from).options.group.name;
-        return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+      if (insideHorizontally && insideVertically) {
+        return ret = sortable;
       }
-    };
-  }
-
-  var group = {};
-  var originalGroup = options.group;
-
-  if (!originalGroup || _typeof(originalGroup) != 'object') {
-    originalGroup = {
-      name: originalGroup
-    };
-  }
-
-  group.name = originalGroup.name;
-  group.checkPull = toFn(originalGroup.pull, true);
-  group.checkPut = toFn(originalGroup.put);
-  group.revertClone = originalGroup.revertClone;
-  options.group = group;
-},
-    _hideGhostForTarget = function _hideGhostForTarget() {
-  if (!supportCssPointerEvents && ghostEl) {
-    css(ghostEl, 'display', 'none');
-  }
-},
-    _unhideGhostForTarget = function _unhideGhostForTarget() {
-  if (!supportCssPointerEvents && ghostEl) {
-    css(ghostEl, 'display', '');
-  }
-}; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
-
+    });
+    return ret;
+  },
+  _prepareGroup = function _prepareGroup(options) {
+    function toFn(value, pull) {
+      return function (to, from, dragEl, evt) {
+        var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
+        if (value == null && (pull || sameGroup)) {
+          // Default pull value
+          // Default pull and put value if same group
+          return true;
+        } else if (value == null || value === false) {
+          return false;
+        } else if (pull && value === 'clone') {
+          return value;
+        } else if (typeof value === 'function') {
+          return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
+        } else {
+          var otherGroup = (pull ? to : from).options.group.name;
+          return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
+        }
+      };
+    }
+    var group = {};
+    var originalGroup = options.group;
+    if (!originalGroup || _typeof(originalGroup) != 'object') {
+      originalGroup = {
+        name: originalGroup
+      };
+    }
+    group.name = originalGroup.name;
+    group.checkPull = toFn(originalGroup.pull, true);
+    group.checkPut = toFn(originalGroup.put);
+    group.revertClone = originalGroup.revertClone;
+    options.group = group;
+  },
+  _hideGhostForTarget = function _hideGhostForTarget() {
+    if (!supportCssPointerEvents && ghostEl) {
+      css(ghostEl, 'display', 'none');
+    }
+  },
+  _unhideGhostForTarget = function _unhideGhostForTarget() {
+    if (!supportCssPointerEvents && ghostEl) {
+      css(ghostEl, 'display', '');
+    }
+  };
 
+// #1184 fix - Prevent click event on fallback if dragged but item not changed position
 if (documentExists && !ChromeForAndroid) {
   document.addEventListener('click', function (evt) {
     if (ignoreNextClick) {
@@ -1178,53 +1043,44 @@ if (documentExists && !ChromeForAndroid) {
     }
   }, true);
 }
-
 var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
   if (dragEl) {
     evt = evt.touches ? evt.touches[0] : evt;
-
     var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
-
     if (nearest) {
       // Create imitation event
       var event = {};
-
       for (var i in evt) {
         if (evt.hasOwnProperty(i)) {
           event[i] = evt[i];
         }
       }
-
       event.target = event.rootEl = nearest;
       event.preventDefault = void 0;
       event.stopPropagation = void 0;
-
       nearest[expando]._onDragOver(event);
     }
   }
 };
-
 var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
   if (dragEl) {
     dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
   }
 };
+
 /**
  * @class  Sortable
  * @param  {HTMLElement}  el
  * @param  {Object}       [options]
  */
-
-
 function Sortable(el, options) {
   if (!(el && el.nodeType && el.nodeType === 1)) {
     throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
   }
-
   this.el = el; // root element
+  this.options = options = _extends({}, options);
 
-  this.options = options = _extends({}, options); // Export instance
-
+  // Export instance
   el[expando] = this;
   var defaults = {
     group: null,
@@ -1271,52 +1127,48 @@ function Sortable(el, options) {
     supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
     emptyInsertThreshold: 5
   };
-  PluginManager.initializePlugins(this, el, defaults); // Set default options
+  PluginManager.initializePlugins(this, el, defaults);
 
+  // Set default options
   for (var name in defaults) {
     !(name in options) && (options[name] = defaults[name]);
   }
+  _prepareGroup(options);
 
-  _prepareGroup(options); // Bind all private methods
-
-
+  // Bind all private methods
   for (var fn in this) {
     if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
       this[fn] = this[fn].bind(this);
     }
-  } // Setup drag mode
-
+  }
 
+  // Setup drag mode
   this.nativeDraggable = options.forceFallback ? false : supportDraggable;
-
   if (this.nativeDraggable) {
     // Touch start threshold cannot be greater than the native dragstart threshold
     this.options.touchStartThreshold = 1;
-  } // Bind events
-
+  }
 
+  // Bind events
   if (options.supportPointer) {
     on(el, 'pointerdown', this._onTapStart);
   } else {
     on(el, 'mousedown', this._onTapStart);
     on(el, 'touchstart', this._onTapStart);
   }
-
   if (this.nativeDraggable) {
     on(el, 'dragover', this);
     on(el, 'dragenter', this);
   }
+  sortables.push(this.el);
 
-  sortables.push(this.el); // Restore sorting
-
-  options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager
+  // Restore sorting
+  options.store && options.store.get && this.sort(options.store.get(this) || []);
 
+  // Add animation state manager
   _extends(this, AnimationStateManager());
 }
-
-Sortable.prototype =
-/** @lends Sortable.prototype */
-{
+Sortable.prototype = /** @lends Sortable.prototype */{
   constructor: Sortable,
   _isOutsideThisEl: function _isOutsideThisEl(target) {
     if (!this.el.contains(target) && target !== this.el) {
@@ -1326,57 +1178,50 @@ Sortable.prototype =
   _getDirection: function _getDirection(evt, target) {
     return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
   },
-  _onTapStart: function _onTapStart(
-  /** Event|TouchEvent */
-  evt) {
+  _onTapStart: function _onTapStart( /** Event|TouchEvent */evt) {
     if (!evt.cancelable) return;
-
     var _this = this,
-        el = this.el,
-        options = this.options,
-        preventOnFilter = options.preventOnFilter,
-        type = evt.type,
-        touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
-        target = (touch || evt).target,
-        originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
-        filter = options.filter;
-
-    _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
-
-
+      el = this.el,
+      options = this.options,
+      preventOnFilter = options.preventOnFilter,
+      type = evt.type,
+      touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
+      target = (touch || evt).target,
+      originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
+      filter = options.filter;
+    _saveInputCheckedState(el);
+
+    // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
     if (dragEl) {
       return;
     }
-
     if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
       return; // only left button and enabled
-    } // cancel dnd if original target is content editable
-
+    }
 
+    // cancel dnd if original target is content editable
     if (originalTarget.isContentEditable) {
       return;
-    } // Safari ignores further event handling after mousedown
-
+    }
 
+    // Safari ignores further event handling after mousedown
     if (!this.nativeDraggable && Safari && target && target.tagName.toUpperCase() === 'SELECT') {
       return;
     }
-
     target = closest(target, options.draggable, el, false);
-
     if (target && target.animated) {
       return;
     }
-
     if (lastDownEl === target) {
       // Ignoring duplicate `down`
       return;
-    } // Get the index of the dragged element within its parent
-
+    }
 
+    // Get the index of the dragged element within its parent
     oldIndex = index(target);
-    oldDraggableIndex = index(target, options.draggable); // Check filter
+    oldDraggableIndex = index(target, options.draggable);
 
+    // Check filter
     if (typeof filter === 'function') {
       if (filter.call(this, evt, target, this)) {
         _dispatchEvent({
@@ -1387,7 +1232,6 @@ Sortable.prototype =
           toEl: el,
           fromEl: el
         });
-
         pluginEvent('filter', _this, {
           evt: evt
         });
@@ -1397,7 +1241,6 @@ Sortable.prototype =
     } else if (filter) {
       filter = filter.split(',').some(function (criteria) {
         criteria = closest(originalTarget, criteria.trim(), el, false);
-
         if (criteria) {
           _dispatchEvent({
             sortable: _this,
@@ -1407,40 +1250,30 @@ Sortable.prototype =
             fromEl: el,
             toEl: el
           });
-
           pluginEvent('filter', _this, {
             evt: evt
           });
           return true;
         }
       });
-
       if (filter) {
         preventOnFilter && evt.cancelable && evt.preventDefault();
         return; // cancel dnd
       }
     }
-
     if (options.handle && !closest(originalTarget, options.handle, el, false)) {
       return;
-    } // Prepare `dragstart`
-
+    }
 
+    // Prepare `dragstart`
     this._prepareDragStart(evt, touch, target);
   },
-  _prepareDragStart: function _prepareDragStart(
-  /** Event */
-  evt,
-  /** Touch */
-  touch,
-  /** HTMLElement */
-  target) {
+  _prepareDragStart: function _prepareDragStart( /** Event */evt, /** Touch */touch, /** HTMLElement */target) {
     var _this = this,
-        el = _this.el,
-        options = _this.options,
-        ownerDocument = el.ownerDocument,
-        dragStartFn;
-
+      el = _this.el,
+      options = _this.options,
+      ownerDocument = el.ownerDocument,
+      dragStartFn;
     if (target && !dragEl && target.parentNode === el) {
       var dragRect = getRect(target);
       rootEl = el;
@@ -1460,41 +1293,36 @@ Sortable.prototype =
       this._lastX = (touch || evt).clientX;
       this._lastY = (touch || evt).clientY;
       dragEl.style['will-change'] = 'all';
-
       dragStartFn = function dragStartFn() {
         pluginEvent('delayEnded', _this, {
           evt: evt
         });
-
         if (Sortable.eventCanceled) {
           _this._onDrop();
-
           return;
-        } // Delayed drag has been triggered
+        }
+        // Delayed drag has been triggered
         // we can re-enable the events: touchmove/mousemove
-
-
         _this._disableDelayedDragEvents();
-
         if (!FireFox && _this.nativeDraggable) {
           dragEl.draggable = true;
-        } // Bind the events: dragstart/dragend
-
-
-        _this._triggerDragStart(evt, touch); // Drag start event
+        }
 
+        // Bind the events: dragstart/dragend
+        _this._triggerDragStart(evt, touch);
 
+        // Drag start event
         _dispatchEvent({
           sortable: _this,
           name: 'choose',
           originalEvent: evt
-        }); // Chosen item
-
+        });
 
+        // Chosen item
         toggleClass(dragEl, options.chosenClass, true);
-      }; // Disable "draggable"
-
+      };
 
+      // Disable "draggable"
       options.ignore.split(',').forEach(function (criteria) {
         find(dragEl, criteria.trim(), _disableDraggable);
       });
@@ -1503,27 +1331,26 @@ Sortable.prototype =
       on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'mouseup', _this._onDrop);
       on(ownerDocument, 'touchend', _this._onDrop);
-      on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)
+      on(ownerDocument, 'touchcancel', _this._onDrop);
 
+      // Make dragEl draggable (must be before delay for FireFox)
       if (FireFox && this.nativeDraggable) {
         this.options.touchStartThreshold = 4;
         dragEl.draggable = true;
       }
-
       pluginEvent('delayStart', this, {
         evt: evt
-      }); // Delay is impossible for native DnD in Edge or IE
+      });
 
+      // Delay is impossible for native DnD in Edge or IE
       if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {
         if (Sortable.eventCanceled) {
           this._onDrop();
-
           return;
-        } // If the user moves the pointer or let go the click or touch
+        }
+        // If the user moves the pointer or let go the click or touch
         // before the delay has been reached:
         // disable the delayed drag
-
-
         on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
         on(ownerDocument, 'touchend', _this._disableDelayedDrag);
         on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
@@ -1536,11 +1363,8 @@ Sortable.prototype =
       }
     }
   },
-  _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(
-  /** TouchEvent|PointerEvent **/
-  e) {
+  _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler( /** TouchEvent|PointerEvent **/e) {
     var touch = e.touches ? e.touches[0] : e;
-
     if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {
       this._disableDelayedDrag();
     }
@@ -1548,7 +1372,6 @@ Sortable.prototype =
   _disableDelayedDrag: function _disableDelayedDrag() {
     dragEl && _disableDraggable(dragEl);
     clearTimeout(this._dragStartTimer);
-
     this._disableDelayedDragEvents();
   },
   _disableDelayedDragEvents: function _disableDelayedDragEvents() {
@@ -1560,13 +1383,8 @@ Sortable.prototype =
     off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
   },
-  _triggerDragStart: function _triggerDragStart(
-  /** Event */
-  evt,
-  /** Touch */
-  touch) {
+  _triggerDragStart: function _triggerDragStart( /** Event */evt, /** Touch */touch) {
     touch = touch || evt.pointerType == 'touch' && evt;
-
     if (!this.nativeDraggable || touch) {
       if (this.options.supportPointer) {
         on(document, 'pointermove', this._onTouchMove);
@@ -1579,7 +1397,6 @@ Sortable.prototype =
       on(dragEl, 'dragend', this);
       on(rootEl, 'dragstart', this._onDragStart);
     }
-
     try {
       if (document.selection) {
         // Timeout neccessary for IE9
@@ -1592,25 +1409,23 @@ Sortable.prototype =
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
-
     awaitingDragStarted = false;
-
     if (rootEl && dragEl) {
       pluginEvent('dragStarted', this, {
         evt: evt
       });
-
       if (this.nativeDraggable) {
         on(document, 'dragover', _checkOutsideTargetEl);
       }
+      var options = this.options;
 
-      var options = this.options; // Apply effect
-
+      // Apply effect
       !fallback && toggleClass(dragEl, options.dragClass, false);
       toggleClass(dragEl, options.ghostClass, true);
       Sortable.active = this;
-      fallback && this._appendGhost(); // Drag start event
+      fallback && this._appendGhost();
 
+      // Drag start event
       _dispatchEvent({
         sortable: this,
         name: 'start',
@@ -1624,20 +1439,15 @@ Sortable.prototype =
     if (touchEvt) {
       this._lastX = touchEvt.clientX;
       this._lastY = touchEvt.clientY;
-
       _hideGhostForTarget();
-
       var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
       var parent = target;
-
       while (target && target.shadowRoot) {
         target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
         if (target === parent) break;
         parent = target;
       }
-
       dragEl.parentNode[expando]._isOutsideThisEl(target);
-
       if (parent) {
         do {
           if (parent[expando]) {
@@ -1648,44 +1458,37 @@ Sortable.prototype =
               target: target,
               rootEl: parent
             });
-
             if (inserted && !this.options.dragoverBubble) {
               break;
             }
           }
-
           target = parent; // store last element
         }
-        /* jshint boss:true */
-        while (parent = parent.parentNode);
+        /* jshint boss:true */ while (parent = parent.parentNode);
       }
-
       _unhideGhostForTarget();
     }
   },
-  _onTouchMove: function _onTouchMove(
-  /**TouchEvent*/
-  evt) {
+  _onTouchMove: function _onTouchMove( /**TouchEvent*/evt) {
     if (tapEvt) {
       var options = this.options,
-          fallbackTolerance = options.fallbackTolerance,
-          fallbackOffset = options.fallbackOffset,
-          touch = evt.touches ? evt.touches[0] : evt,
-          ghostMatrix = ghostEl && matrix(ghostEl, true),
-          scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
-          scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
-          relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
-          dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
-          dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
-
+        fallbackTolerance = options.fallbackTolerance,
+        fallbackOffset = options.fallbackOffset,
+        touch = evt.touches ? evt.touches[0] : evt,
+        ghostMatrix = ghostEl && matrix(ghostEl, true),
+        scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
+        scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
+        relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
+        dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
+        dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1);
+
+      // only set the status to dragging, when we are actually dragging
       if (!Sortable.active && !awaitingDragStarted) {
         if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
           return;
         }
-
         this._onDragStart(evt, true);
       }
-
       if (ghostEl) {
         if (ghostMatrix) {
           ghostMatrix.e += dx - (lastDx || 0);
@@ -1700,7 +1503,6 @@ Sortable.prototype =
             f: dy
           };
         }
-
         var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
         css(ghostEl, 'webkitTransform', cssMatrix);
         css(ghostEl, 'mozTransform', cssMatrix);
@@ -1710,7 +1512,6 @@ Sortable.prototype =
         lastDy = dy;
         touchEvt = touch;
       }
-
       evt.cancelable && evt.preventDefault();
     }
   },
@@ -1719,17 +1520,16 @@ Sortable.prototype =
     // Not being adjusted for
     if (!ghostEl) {
       var container = this.options.fallbackOnBody ? document.body : rootEl,
-          rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
-          options = this.options; // Position absolutely
+        rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
+        options = this.options;
 
+      // Position absolutely
       if (PositionGhostAbsolutely) {
         // Get relatively positioned parent
         ghostRelativeParent = container;
-
         while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {
           ghostRelativeParent = ghostRelativeParent.parentNode;
         }
-
         if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {
           if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();
           rect.top += ghostRelativeParent.scrollTop;
@@ -1737,10 +1537,8 @@ Sortable.prototype =
         } else {
           ghostRelativeParent = getWindowScrollingElement();
         }
-
         ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);
       }
-
       ghostEl = dragEl.cloneNode(true);
       toggleClass(ghostEl, options.ghostClass, false);
       toggleClass(ghostEl, options.fallbackClass, true);
@@ -1758,62 +1556,50 @@ Sortable.prototype =
       css(ghostEl, 'zIndex', '100000');
       css(ghostEl, 'pointerEvents', 'none');
       Sortable.ghost = ghostEl;
-      container.appendChild(ghostEl); // Set transform-origin
+      container.appendChild(ghostEl);
 
+      // Set transform-origin
       css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
     }
   },
-  _onDragStart: function _onDragStart(
-  /**Event*/
-  evt,
-  /**boolean*/
-  fallback) {
+  _onDragStart: function _onDragStart( /**Event*/evt, /**boolean*/fallback) {
     var _this = this;
-
     var dataTransfer = evt.dataTransfer;
     var options = _this.options;
     pluginEvent('dragStart', this, {
       evt: evt
     });
-
     if (Sortable.eventCanceled) {
       this._onDrop();
-
       return;
     }
-
     pluginEvent('setupClone', this);
-
     if (!Sortable.eventCanceled) {
       cloneEl = clone(dragEl);
       cloneEl.removeAttribute("id");
       cloneEl.draggable = false;
       cloneEl.style['will-change'] = '';
-
       this._hideClone();
-
       toggleClass(cloneEl, this.options.chosenClass, false);
       Sortable.clone = cloneEl;
-    } // #1143: IFrame support workaround
-
+    }
 
+    // #1143: IFrame support workaround
     _this.cloneId = _nextTick(function () {
       pluginEvent('clone', _this);
       if (Sortable.eventCanceled) return;
-
       if (!_this.options.removeCloneOnHide) {
         rootEl.insertBefore(cloneEl, dragEl);
       }
-
       _this._hideClone();
-
       _dispatchEvent({
         sortable: _this,
         name: 'clone'
       });
     });
-    !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events
+    !fallback && toggleClass(dragEl, options.dragClass, true);
 
+    // Set proper drop events
     if (fallback) {
       ignoreNextClick = true;
       _this._loopId = setInterval(_this._emulateDragOver, 50);
@@ -1822,47 +1608,40 @@ Sortable.prototype =
       off(document, 'mouseup', _this._onDrop);
       off(document, 'touchend', _this._onDrop);
       off(document, 'touchcancel', _this._onDrop);
-
       if (dataTransfer) {
         dataTransfer.effectAllowed = 'move';
         options.setData && options.setData.call(_this, dataTransfer, dragEl);
       }
+      on(document, 'drop', _this);
 
-      on(document, 'drop', _this); // #1276 fix:
-
+      // #1276 fix:
       css(dragEl, 'transform', 'translateZ(0)');
     }
-
     awaitingDragStarted = true;
     _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
     on(document, 'selectstart', _this);
     moved = true;
-
     if (Safari) {
       css(document.body, 'user-select', 'none');
     }
   },
   // Returns true - if no further action is needed (either inserted or another condition)
-  _onDragOver: function _onDragOver(
-  /**Event*/
-  evt) {
+  _onDragOver: function _onDragOver( /**Event*/evt) {
     var el = this.el,
-        target = evt.target,
-        dragRect,
-        targetRect,
-        revert,
-        options = this.options,
-        group = options.group,
-        activeSortable = Sortable.active,
-        isOwner = activeGroup === group,
-        canSort = options.sort,
-        fromSortable = putSortable || activeSortable,
-        vertical,
-        _this = this,
-        completedFired = false;
-
+      target = evt.target,
+      dragRect,
+      targetRect,
+      revert,
+      options = this.options,
+      group = options.group,
+      activeSortable = Sortable.active,
+      isOwner = activeGroup === group,
+      canSort = options.sort,
+      fromSortable = putSortable || activeSortable,
+      vertical,
+      _this = this,
+      completedFired = false;
     if (_silent) return;
-
     function dragOverEvent(name, extra) {
       pluginEvent(name, _this, _objectSpread2({
         evt: evt,
@@ -1880,25 +1659,22 @@ Sortable.prototype =
         },
         changed: changed
       }, extra));
-    } // Capture animation state
-
+    }
 
+    // Capture animation state
     function capture() {
       dragOverEvent('dragOverAnimationCapture');
-
       _this.captureAnimationState();
-
       if (_this !== fromSortable) {
         fromSortable.captureAnimationState();
       }
-    } // Return invocation when dragEl is inserted (or completed)
-
+    }
 
+    // Return invocation when dragEl is inserted (or completed)
     function completed(insertion) {
       dragOverEvent('dragOverCompleted', {
         insertion: insertion
       });
-
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
         if (isOwner) {
@@ -1906,57 +1682,51 @@ Sortable.prototype =
         } else {
           activeSortable._showClone(_this);
         }
-
         if (_this !== fromSortable) {
           // Set ghost class to new sortable's ghost class
           toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
           toggleClass(dragEl, options.ghostClass, true);
         }
-
         if (putSortable !== _this && _this !== Sortable.active) {
           putSortable = _this;
         } else if (_this === Sortable.active && putSortable) {
           putSortable = null;
-        } // Animation
-
+        }
 
+        // Animation
         if (fromSortable === _this) {
           _this._ignoreWhileAnimating = target;
         }
-
         _this.animateAll(function () {
           dragOverEvent('dragOverAnimationComplete');
           _this._ignoreWhileAnimating = null;
         });
-
         if (_this !== fromSortable) {
           fromSortable.animateAll();
           fromSortable._ignoreWhileAnimating = null;
         }
-      } // Null lastTarget if it is not inside a previously swapped element
-
+      }
 
+      // Null lastTarget if it is not inside a previously swapped element
       if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
         lastTarget = null;
-      } // no bubbling and not fallback
-
+      }
 
+      // no bubbling and not fallback
       if (!options.dragoverBubble && !evt.rootEl && target !== document) {
-        dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted
-
+        dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
 
+        // Do not detect for empty insert if already inserted
         !insertion && nearestEmptyInsertDetectEvent(evt);
       }
-
       !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
       return completedFired = true;
-    } // Call when dragEl has been inserted
-
+    }
 
+    // Call when dragEl has been inserted
     function changed() {
       newIndex = index(dragEl);
       newDraggableIndex = index(dragEl, options.draggable);
-
       _dispatchEvent({
         sortable: _this,
         name: 'change',
@@ -1966,37 +1736,27 @@ Sortable.prototype =
         originalEvent: evt
       });
     }
-
     if (evt.preventDefault !== void 0) {
       evt.cancelable && evt.preventDefault();
     }
-
     target = closest(target, options.draggable, el, true);
     dragOverEvent('dragOver');
     if (Sortable.eventCanceled) return completedFired;
-
     if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
       return completed(false);
     }
-
     ignoreNextClick = false;
-
     if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = parentEl !== rootEl) // Reverting item into the original list
     : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
       vertical = this._getDirection(evt, target) === 'vertical';
       dragRect = getRect(dragEl);
       dragOverEvent('dragOverValid');
       if (Sortable.eventCanceled) return completedFired;
-
       if (revert) {
         parentEl = rootEl; // actualization
-
         capture();
-
         this._hideClone();
-
         dragOverEvent('revert');
-
         if (!Sortable.eventCanceled) {
           if (nextEl) {
             rootEl.insertBefore(dragEl, nextEl);
@@ -2004,38 +1764,32 @@ Sortable.prototype =
             rootEl.appendChild(dragEl);
           }
         }
-
         return completed(true);
       }
-
       var elLastChild = lastChild(el, options.draggable);
-
       if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
         // Insert to end of list
+
         // If already at end of list: Do not insert
         if (elLastChild === dragEl) {
           return completed(false);
-        } // if there is a last element, it is the target
-
+        }
 
+        // if there is a last element, it is the target
         if (elLastChild && el === evt.target) {
           target = elLastChild;
         }
-
         if (target) {
           targetRect = getRect(target);
         }
-
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
           capture();
-
           if (elLastChild && elLastChild.nextSibling) {
             // the last draggable element is not the last node
             el.insertBefore(dragEl, elLastChild.nextSibling);
           } else {
             el.appendChild(dragEl);
           }
-
           parentEl = el; // actualization
 
           changed();
@@ -2044,14 +1798,11 @@ Sortable.prototype =
       } else if (elLastChild && _ghostIsFirst(evt, vertical, this)) {
         // Insert to start of list
         var firstChild = getChild(el, 0, options, true);
-
         if (firstChild === dragEl) {
           return completed(false);
         }
-
         target = firstChild;
         targetRect = getRect(target);
-
         if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, false) !== false) {
           capture();
           el.insertBefore(dragEl, firstChild);
@@ -2063,82 +1814,68 @@ Sortable.prototype =
       } else if (target.parentNode === el) {
         targetRect = getRect(target);
         var direction = 0,
-            targetBeforeFirstSwap,
-            differentLevel = dragEl.parentNode !== el,
-            differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
-            side1 = vertical ? 'top' : 'left',
-            scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
-            scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
-
+          targetBeforeFirstSwap,
+          differentLevel = dragEl.parentNode !== el,
+          differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
+          side1 = vertical ? 'top' : 'left',
+          scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
+          scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
         if (lastTarget !== target) {
           targetBeforeFirstSwap = targetRect[side1];
           pastFirstInvertThresh = false;
           isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
         }
-
         direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
         var sibling;
-
         if (direction !== 0) {
           // Check if target is beside dragEl in respective direction (ignoring hidden elements)
           var dragIndex = index(dragEl);
-
           do {
             dragIndex -= direction;
             sibling = parentEl.children[dragIndex];
           } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
-        } // If dragEl is already beside target: Do not insert
-
-
+        }
+        // If dragEl is already beside target: Do not insert
         if (direction === 0 || sibling === target) {
           return completed(false);
         }
-
         lastTarget = target;
         lastDirection = direction;
         var nextSibling = target.nextElementSibling,
-            after = false;
+          after = false;
         after = direction === 1;
-
         var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
-
         if (moveVector !== false) {
           if (moveVector === 1 || moveVector === -1) {
             after = moveVector === 1;
           }
-
           _silent = true;
           setTimeout(_unsilent, 30);
           capture();
-
           if (after && !nextSibling) {
             el.appendChild(dragEl);
           } else {
             target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
-          } // Undo chrome's scroll adjustment (has no effect on other browsers)
-
+          }
 
+          // Undo chrome's scroll adjustment (has no effect on other browsers)
           if (scrolledPastTop) {
             scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
           }
-
           parentEl = dragEl.parentNode; // actualization
-          // must be done before animation
 
+          // must be done before animation
           if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
             targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
           }
-
           changed();
           return completed(true);
         }
       }
-
       if (el.contains(dragEl)) {
         return completed(false);
       }
     }
-
     return false;
   },
   _ignoreWhileAnimating: null,
@@ -2158,83 +1895,69 @@ Sortable.prototype =
     off(ownerDocument, 'touchcancel', this._onDrop);
     off(document, 'selectstart', this);
   },
-  _onDrop: function _onDrop(
-  /**Event*/
-  evt) {
+  _onDrop: function _onDrop( /**Event*/evt) {
     var el = this.el,
-        options = this.options; // Get the index of the dragged element within its parent
+      options = this.options;
 
+    // Get the index of the dragged element within its parent
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
     pluginEvent('drop', this, {
       evt: evt
     });
-    parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
+    parentEl = dragEl && dragEl.parentNode;
 
+    // Get again after plugin event
     newIndex = index(dragEl);
     newDraggableIndex = index(dragEl, options.draggable);
-
     if (Sortable.eventCanceled) {
       this._nulling();
-
       return;
     }
-
     awaitingDragStarted = false;
     isCircumstantialInvert = false;
     pastFirstInvertThresh = false;
     clearInterval(this._loopId);
     clearTimeout(this._dragStartTimer);
-
     _cancelNextTick(this.cloneId);
+    _cancelNextTick(this._dragStartId);
 
-    _cancelNextTick(this._dragStartId); // Unbind events
-
-
+    // Unbind events
     if (this.nativeDraggable) {
       off(document, 'drop', this);
       off(el, 'dragstart', this._onDragStart);
     }
-
     this._offMoveEvents();
-
     this._offUpEvents();
-
     if (Safari) {
       css(document.body, 'user-select', '');
     }
-
     css(dragEl, 'transform', '');
-
     if (evt) {
       if (moved) {
         evt.cancelable && evt.preventDefault();
         !options.dropBubble && evt.stopPropagation();
       }
-
       ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
-
       if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
         // Remove clone(s)
         cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
       }
-
       if (dragEl) {
         if (this.nativeDraggable) {
           off(dragEl, 'dragend', this);
         }
-
         _disableDraggable(dragEl);
+        dragEl.style['will-change'] = '';
 
-        dragEl.style['will-change'] = ''; // Remove classes
+        // Remove classes
         // ghostClass is added in dragStarted
-
         if (moved && !awaitingDragStarted) {
           toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
         }
+        toggleClass(dragEl, this.options.chosenClass, false);
 
-        toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event
-
+        // Drag stop event
         _dispatchEvent({
           sortable: this,
           name: 'unchoose',
@@ -2243,7 +1966,6 @@ Sortable.prototype =
           newDraggableIndex: null,
           originalEvent: evt
         });
-
         if (rootEl !== parentEl) {
           if (newIndex >= 0) {
             // Add event
@@ -2253,17 +1975,17 @@ Sortable.prototype =
               toEl: parentEl,
               fromEl: rootEl,
               originalEvent: evt
-            }); // Remove event
-
+            });
 
+            // Remove event
             _dispatchEvent({
               sortable: this,
               name: 'remove',
               toEl: parentEl,
               originalEvent: evt
-            }); // drag from one list and drop into another
-
+            });
 
+            // drag from one list and drop into another
             _dispatchEvent({
               rootEl: parentEl,
               name: 'sort',
@@ -2271,7 +1993,6 @@ Sortable.prototype =
               fromEl: rootEl,
               originalEvent: evt
             });
-
             _dispatchEvent({
               sortable: this,
               name: 'sort',
@@ -2279,7 +2000,6 @@ Sortable.prototype =
               originalEvent: evt
             });
           }
-
           putSortable && putSortable.save();
         } else {
           if (newIndex !== oldIndex) {
@@ -2291,7 +2011,6 @@ Sortable.prototype =
                 toEl: parentEl,
                 originalEvent: evt
               });
-
               _dispatchEvent({
                 sortable: this,
                 name: 'sort',
@@ -2301,27 +2020,24 @@ Sortable.prototype =
             }
           }
         }
-
         if (Sortable.active) {
           /* jshint eqnull:true */
           if (newIndex == null || newIndex === -1) {
             newIndex = oldIndex;
             newDraggableIndex = oldDraggableIndex;
           }
-
           _dispatchEvent({
             sortable: this,
             name: 'end',
             toEl: parentEl,
             originalEvent: evt
-          }); // Save sorting
-
+          });
 
+          // Save sorting
           this.save();
         }
       }
     }
-
     this._nulling();
   },
   _nulling: function _nulling() {
@@ -2332,65 +2048,52 @@ Sortable.prototype =
     });
     savedInputChecked.length = lastDx = lastDy = 0;
   },
-  handleEvent: function handleEvent(
-  /**Event*/
-  evt) {
+  handleEvent: function handleEvent( /**Event*/evt) {
     switch (evt.type) {
       case 'drop':
       case 'dragend':
         this._onDrop(evt);
-
         break;
-
       case 'dragenter':
       case 'dragover':
         if (dragEl) {
           this._onDragOver(evt);
-
           _globalDragOver(evt);
         }
-
         break;
-
       case 'selectstart':
         evt.preventDefault();
         break;
     }
   },
-
   /**
    * Serializes the item into an array of string.
    * @returns {String[]}
    */
   toArray: function toArray() {
     var order = [],
-        el,
-        children = this.el.children,
-        i = 0,
-        n = children.length,
-        options = this.options;
-
+      el,
+      children = this.el.children,
+      i = 0,
+      n = children.length,
+      options = this.options;
     for (; i < n; i++) {
       el = children[i];
-
       if (closest(el, options.draggable, this.el, false)) {
         order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
       }
     }
-
     return order;
   },
-
   /**
    * Sorts the elements according to the array.
    * @param  {String[]}  order  order of the items
    */
   sort: function sort(order, useAnimation) {
     var items = {},
-        rootEl = this.el;
+      rootEl = this.el;
     this.toArray().forEach(function (id, i) {
       var el = rootEl.children[i];
-
       if (closest(el, this.options.draggable, rootEl, false)) {
         items[id] = el;
       }
@@ -2404,7 +2107,6 @@ Sortable.prototype =
     });
     useAnimation && this.animateAll();
   },
-
   /**
    * Save the current sorting
    */
@@ -2412,7 +2114,6 @@ Sortable.prototype =
     var store = this.options.store;
     store && store.set && store.set(this);
   },
-
   /**
    * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
    * @param   {HTMLElement}  el
@@ -2422,7 +2123,6 @@ Sortable.prototype =
   closest: function closest$1(el, selector) {
     return closest(el, selector || this.options.draggable, this.el, false);
   },
-
   /**
    * Set/get option
    * @param   {string} name
@@ -2431,24 +2131,20 @@ Sortable.prototype =
    */
   option: function option(name, value) {
     var options = this.options;
-
     if (value === void 0) {
       return options[name];
     } else {
       var modifiedValue = PluginManager.modifyOption(this, name, value);
-
       if (typeof modifiedValue !== 'undefined') {
         options[name] = modifiedValue;
       } else {
         options[name] = value;
       }
-
       if (name === 'group') {
         _prepareGroup(options);
       }
     }
   },
-
   /**
    * Destroy
    */
@@ -2459,21 +2155,16 @@ Sortable.prototype =
     off(el, 'mousedown', this._onTapStart);
     off(el, 'touchstart', this._onTapStart);
     off(el, 'pointerdown', this._onTapStart);
-
     if (this.nativeDraggable) {
       off(el, 'dragover', this);
       off(el, 'dragenter', this);
-    } // Remove draggable attributes
-
-
+    }
+    // Remove draggable attributes
     Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
       el.removeAttribute('draggable');
     });
-
     this._onDrop();
-
     this._disableDelayedDragEvents();
-
     sortables.splice(sortables.indexOf(this.el), 1);
     this.el = el = null;
   },
@@ -2482,25 +2173,22 @@ Sortable.prototype =
       pluginEvent('hideClone', this);
       if (Sortable.eventCanceled) return;
       css(cloneEl, 'display', 'none');
-
       if (this.options.removeCloneOnHide && cloneEl.parentNode) {
         cloneEl.parentNode.removeChild(cloneEl);
       }
-
       cloneHidden = true;
     }
   },
   _showClone: function _showClone(putSortable) {
     if (putSortable.lastPutMode !== 'clone') {
       this._hideClone();
-
       return;
     }
-
     if (cloneHidden) {
       pluginEvent('showClone', this);
-      if (Sortable.eventCanceled) return; // show clone at dragEl or original position
+      if (Sortable.eventCanceled) return;
 
+      // show clone at dragEl or original position
       if (dragEl.parentNode == rootEl && !this.options.group.revertClone) {
         rootEl.insertBefore(cloneEl, dragEl);
       } else if (nextEl) {
@@ -2508,33 +2196,26 @@ Sortable.prototype =
       } else {
         rootEl.appendChild(cloneEl);
       }
-
       if (this.options.group.revertClone) {
         this.animate(dragEl, cloneEl);
       }
-
       css(cloneEl, 'display', '');
       cloneHidden = false;
     }
   }
 };
-
-function _globalDragOver(
-/**Event*/
-evt) {
+function _globalDragOver( /**Event*/evt) {
   if (evt.dataTransfer) {
     evt.dataTransfer.dropEffect = 'move';
   }
-
   evt.cancelable && evt.preventDefault();
 }
-
 function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {
   var evt,
-      sortable = fromEl[expando],
-      onMoveFn = sortable.options.onMove,
-      retVal; // Support for new CustomEvent feature
-
+    sortable = fromEl[expando],
+    onMoveFn = sortable.options.onMove,
+    retVal;
+  // Support for new CustomEvent feature
   if (window.CustomEvent && !IE11OrLess && !Edge) {
     evt = new CustomEvent('move', {
       bubbles: true,
@@ -2544,7 +2225,6 @@ function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalE
     evt = document.createEvent('Event');
     evt.initEvent('move', true, true);
   }
-
   evt.to = toEl;
   evt.from = fromEl;
   evt.dragged = dragEl;
@@ -2554,41 +2234,35 @@ function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalE
   evt.willInsertAfter = willInsertAfter;
   evt.originalEvent = originalEvent;
   fromEl.dispatchEvent(evt);
-
   if (onMoveFn) {
     retVal = onMoveFn.call(sortable, evt, originalEvent);
   }
-
   return retVal;
 }
-
 function _disableDraggable(el) {
   el.draggable = false;
 }
-
 function _unsilent() {
   _silent = false;
 }
-
 function _ghostIsFirst(evt, vertical, sortable) {
-  var rect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
+  var sortableContentRect = getContentRect(sortable.el);
   var spacer = 10;
-  return vertical ? evt.clientX < rect.left - spacer || evt.clientY < rect.top && evt.clientX < rect.right : evt.clientY < rect.top - spacer || evt.clientY < rect.bottom && evt.clientX < rect.left;
+  return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
 }
-
 function _ghostIsLast(evt, vertical, sortable) {
-  var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
+  var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
+  var sortableContentRect = getContentRect(sortable.el);
   var spacer = 10;
-  return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
+  return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
 }
-
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
   var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
-      targetLength = vertical ? targetRect.height : targetRect.width,
-      targetS1 = vertical ? targetRect.top : targetRect.left,
-      targetS2 = vertical ? targetRect.bottom : targetRect.right,
-      invert = false;
-
+    targetLength = vertical ? targetRect.height : targetRect.width,
+    targetS1 = vertical ? targetRect.top : targetRect.left,
+    targetS2 = vertical ? targetRect.bottom : targetRect.right,
+    invert = false;
   if (!invertSwap) {
     // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
     if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
@@ -2598,7 +2272,6 @@ function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, inv
         // past first invert threshold, do not restrict inverted threshold to dragEl shadow
         pastFirstInvertThresh = true;
       }
-
       if (!pastFirstInvertThresh) {
         // dragEl shadow (target move distance shadow)
         if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
@@ -2615,26 +2288,22 @@ function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, inv
       }
     }
   }
-
   invert = invert || invertSwap;
-
   if (invert) {
     // Invert of regular
     if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
       return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
     }
   }
-
   return 0;
 }
+
 /**
  * Gets the direction dragEl must be swapped relative to target in order to make it
  * seem that dragEl has been "inserted" into that element's position
  * @param  {HTMLElement} target       The target whose position dragEl is being inserted at
  * @return {Number}                   Direction dragEl must be swapped
  */
-
-
 function _getInsertDirection(target) {
   if (index(dragEl) < index(target)) {
     return 1;
@@ -2642,55 +2311,48 @@ function _getInsertDirection(target) {
     return -1;
   }
 }
+
 /**
  * Generate id
  * @param   {HTMLElement} el
  * @returns {String}
  * @private
  */
-
-
 function _generateId(el) {
   var str = el.tagName + el.className + el.src + el.href + el.textContent,
-      i = str.length,
-      sum = 0;
-
+    i = str.length,
+    sum = 0;
   while (i--) {
     sum += str.charCodeAt(i);
   }
-
   return sum.toString(36);
 }
-
 function _saveInputCheckedState(root) {
   savedInputChecked.length = 0;
   var inputs = root.getElementsByTagName('input');
   var idx = inputs.length;
-
   while (idx--) {
     var el = inputs[idx];
     el.checked && savedInputChecked.push(el);
   }
 }
-
 function _nextTick(fn) {
   return setTimeout(fn, 0);
 }
-
 function _cancelNextTick(id) {
   return clearTimeout(id);
-} // Fixed #973:
-
+}
 
+// Fixed #973:
 if (documentExists) {
   on(document, 'touchmove', function (evt) {
     if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
       evt.preventDefault();
     }
   });
-} // Export utils
-
+}
 
+// Export utils
 Sortable.utils = {
   on: on,
   off: off,
@@ -2710,59 +2372,54 @@ Sortable.utils = {
   detectDirection: _detectDirection,
   getChild: getChild
 };
+
 /**
  * Get the Sortable instance of an element
  * @param  {HTMLElement} element The element
  * @return {Sortable|undefined}         The instance of Sortable
  */
-
 Sortable.get = function (element) {
   return element[expando];
 };
+
 /**
  * Mount a plugin to Sortable
  * @param  {...SortablePlugin|SortablePlugin[]} plugins       Plugins being mounted
  */
-
-
 Sortable.mount = function () {
   for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
     plugins[_key] = arguments[_key];
   }
-
   if (plugins[0].constructor === Array) plugins = plugins[0];
   plugins.forEach(function (plugin) {
     if (!plugin.prototype || !plugin.prototype.constructor) {
       throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
     }
-
     if (plugin.utils) Sortable.utils = _objectSpread2(_objectSpread2({}, Sortable.utils), plugin.utils);
     PluginManager.mount(plugin);
   });
 };
+
 /**
  * Create sortable instance
  * @param {HTMLElement}  el
  * @param {Object}      [options]
  */
-
-
 Sortable.create = function (el, options) {
   return new Sortable(el, options);
-}; // Export
-
+};
 
+// Export
 Sortable.version = version;
 
 var autoScrolls = [],
-    scrollEl,
-    scrollRootEl,
-    scrolling = false,
-    lastAutoScrollX,
-    lastAutoScrollY,
-    touchEvt$1,
-    pointerElemChangedInterval;
-
+  scrollEl,
+  scrollRootEl,
+  scrolling = false,
+  lastAutoScrollX,
+  lastAutoScrollY,
+  touchEvt$1,
+  pointerElemChangedInterval;
 function AutoScrollPlugin() {
   function AutoScroll() {
     this.defaults = {
@@ -2771,19 +2428,18 @@ function AutoScrollPlugin() {
       scrollSensitivity: 30,
       scrollSpeed: 10,
       bubbleScroll: true
-    }; // Bind all private methods
+    };
 
+    // Bind all private methods
     for (var fn in this) {
       if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
         this[fn] = this[fn].bind(this);
       }
     }
   }
-
   AutoScroll.prototype = {
     dragStarted: function dragStarted(_ref) {
       var originalEvent = _ref.originalEvent;
-
       if (this.sortable.nativeDraggable) {
         on(document, 'dragover', this._handleAutoScroll);
       } else {
@@ -2798,7 +2454,6 @@ function AutoScrollPlugin() {
     },
     dragOverCompleted: function dragOverCompleted(_ref2) {
       var originalEvent = _ref2.originalEvent;
-
       // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
       if (!this.options.dragOverBubble && !originalEvent.rootEl) {
         this._handleAutoScroll(originalEvent);
@@ -2812,7 +2467,6 @@ function AutoScrollPlugin() {
         off(document, 'touchmove', this._handleFallbackAutoScroll);
         off(document, 'mousemove', this._handleFallbackAutoScroll);
       }
-
       clearPointerElemChangedInterval();
       clearAutoScrolls();
       cancelThrottle();
@@ -2826,31 +2480,29 @@ function AutoScrollPlugin() {
     },
     _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
       var _this = this;
-
       var x = (evt.touches ? evt.touches[0] : evt).clientX,
-          y = (evt.touches ? evt.touches[0] : evt).clientY,
-          elem = document.elementFromPoint(x, y);
-      touchEvt$1 = evt; // IE does not seem to have native autoscroll,
+        y = (evt.touches ? evt.touches[0] : evt).clientY,
+        elem = document.elementFromPoint(x, y);
+      touchEvt$1 = evt;
+
+      // IE does not seem to have native autoscroll,
       // Edge's autoscroll seems too conditional,
       // MACOS Safari does not have autoscroll,
       // Firefox and Chrome are good
-
       if (fallback || this.options.forceAutoScrollFallback || Edge || IE11OrLess || Safari) {
-        autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
+        autoScroll(evt, this.options, elem, fallback);
 
+        // Listener for pointer element change
         var ogElemScroller = getParentAutoScrollElement(elem, true);
-
         if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
-          pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour
-
+          pointerElemChangedInterval && clearPointerElemChangedInterval();
+          // Detect for pointer elem change, emulating native DnD behaviour
           pointerElemChangedInterval = setInterval(function () {
             var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);
-
             if (newElem !== ogElemScroller) {
               ogElemScroller = newElem;
               clearAutoScrolls();
             }
-
             autoScroll(evt, _this.options, newElem, fallback);
           }, 10);
           lastAutoScrollX = x;
@@ -2862,7 +2514,6 @@ function AutoScrollPlugin() {
           clearAutoScrolls();
           return;
         }
-
         autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
       }
     }
@@ -2872,60 +2523,54 @@ function AutoScrollPlugin() {
     initializeByDefault: true
   });
 }
-
 function clearAutoScrolls() {
   autoScrolls.forEach(function (autoScroll) {
     clearInterval(autoScroll.pid);
   });
   autoScrolls = [];
 }
-
 function clearPointerElemChangedInterval() {
   clearInterval(pointerElemChangedInterval);
 }
-
 var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
   // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
   if (!options.scroll) return;
   var x = (evt.touches ? evt.touches[0] : evt).clientX,
-      y = (evt.touches ? evt.touches[0] : evt).clientY,
-      sens = options.scrollSensitivity,
-      speed = options.scrollSpeed,
-      winScroller = getWindowScrollingElement();
+    y = (evt.touches ? evt.touches[0] : evt).clientY,
+    sens = options.scrollSensitivity,
+    speed = options.scrollSpeed,
+    winScroller = getWindowScrollingElement();
   var scrollThisInstance = false,
-      scrollCustomFn; // New scroll root, set scrollEl
+    scrollCustomFn;
 
+  // New scroll root, set scrollEl
   if (scrollRootEl !== rootEl) {
     scrollRootEl = rootEl;
     clearAutoScrolls();
     scrollEl = options.scroll;
     scrollCustomFn = options.scrollFn;
-
     if (scrollEl === true) {
       scrollEl = getParentAutoScrollElement(rootEl, true);
     }
   }
-
   var layersOut = 0;
   var currentParent = scrollEl;
-
   do {
     var el = currentParent,
-        rect = getRect(el),
-        top = rect.top,
-        bottom = rect.bottom,
-        left = rect.left,
-        right = rect.right,
-        width = rect.width,
-        height = rect.height,
-        canScrollX = void 0,
-        canScrollY = void 0,
-        scrollWidth = el.scrollWidth,
-        scrollHeight = el.scrollHeight,
-        elCSS = css(el),
-        scrollPosX = el.scrollLeft,
-        scrollPosY = el.scrollTop;
-
+      rect = getRect(el),
+      top = rect.top,
+      bottom = rect.bottom,
+      left = rect.left,
+      right = rect.right,
+      width = rect.width,
+      height = rect.height,
+      canScrollX = void 0,
+      canScrollY = void 0,
+      scrollWidth = el.scrollWidth,
+      scrollHeight = el.scrollHeight,
+      elCSS = css(el),
+      scrollPosX = el.scrollLeft,
+      scrollPosY = el.scrollTop;
     if (el === winScroller) {
       canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
@@ -2933,10 +2578,8 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
       canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
       canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
     }
-
     var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
     var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
-
     if (!autoScrolls[layersOut]) {
       for (var i = 0; i <= layersOut; i++) {
         if (!autoScrolls[i]) {
@@ -2944,61 +2587,51 @@ var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
         }
       }
     }
-
     if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
       autoScrolls[layersOut].el = el;
       autoScrolls[layersOut].vx = vx;
       autoScrolls[layersOut].vy = vy;
       clearInterval(autoScrolls[layersOut].pid);
-
       if (vx != 0 || vy != 0) {
         scrollThisInstance = true;
         /* jshint loopfunc:true */
-
         autoScrolls[layersOut].pid = setInterval(function () {
           // emulate drag over during autoscroll (fallback), emulating native DnD behaviour
           if (isFallback && this.layer === 0) {
             Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely
-
           }
-
           var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
           var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
-
           if (typeof scrollCustomFn === 'function') {
             if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
               return;
             }
           }
-
           scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
         }.bind({
           layer: layersOut
         }), 24);
       }
     }
-
     layersOut++;
   } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));
-
   scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
 }, 30);
 
 var drop = function drop(_ref) {
   var originalEvent = _ref.originalEvent,
-      putSortable = _ref.putSortable,
-      dragEl = _ref.dragEl,
-      activeSortable = _ref.activeSortable,
-      dispatchSortableEvent = _ref.dispatchSortableEvent,
-      hideGhostForTarget = _ref.hideGhostForTarget,
-      unhideGhostForTarget = _ref.unhideGhostForTarget;
+    putSortable = _ref.putSortable,
+    dragEl = _ref.dragEl,
+    activeSortable = _ref.activeSortable,
+    dispatchSortableEvent = _ref.dispatchSortableEvent,
+    hideGhostForTarget = _ref.hideGhostForTarget,
+    unhideGhostForTarget = _ref.unhideGhostForTarget;
   if (!originalEvent) return;
   var toSortable = putSortable || activeSortable;
   hideGhostForTarget();
   var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
   var target = document.elementFromPoint(touch.clientX, touch.clientY);
   unhideGhostForTarget();
-
   if (toSortable && !toSortable.el.contains(target)) {
     dispatchSortableEvent('spill');
     this.onSpill({
@@ -3007,9 +2640,7 @@ var drop = function drop(_ref) {
     });
   }
 };
-
 function Revert() {}
-
 Revert.prototype = {
   startIndex: null,
   dragStart: function dragStart(_ref2) {
@@ -3018,40 +2649,32 @@ Revert.prototype = {
   },
   onSpill: function onSpill(_ref3) {
     var dragEl = _ref3.dragEl,
-        putSortable = _ref3.putSortable;
+      putSortable = _ref3.putSortable;
     this.sortable.captureAnimationState();
-
     if (putSortable) {
       putSortable.captureAnimationState();
     }
-
     var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
-
     if (nextSibling) {
       this.sortable.el.insertBefore(dragEl, nextSibling);
     } else {
       this.sortable.el.appendChild(dragEl);
     }
-
     this.sortable.animateAll();
-
     if (putSortable) {
       putSortable.animateAll();
     }
   },
   drop: drop
 };
-
 _extends(Revert, {
   pluginName: 'revertOnSpill'
 });
-
 function Remove() {}
-
 Remove.prototype = {
   onSpill: function onSpill(_ref4) {
     var dragEl = _ref4.dragEl,
-        putSortable = _ref4.putSortable;
+      putSortable = _ref4.putSortable;
     var parentSortable = putSortable || this.sortable;
     parentSortable.captureAnimationState();
     dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
@@ -3059,20 +2682,17 @@ Remove.prototype = {
   },
   drop: drop
 };
-
 _extends(Remove, {
   pluginName: 'removeOnSpill'
 });
 
 var lastSwapEl;
-
 function SwapPlugin() {
   function Swap() {
     this.defaults = {
       swapClass: 'sortable-swap-highlight'
     };
   }
-
   Swap.prototype = {
     dragStart: function dragStart(_ref) {
       var dragEl = _ref.dragEl;
@@ -3080,42 +2700,37 @@ function SwapPlugin() {
     },
     dragOverValid: function dragOverValid(_ref2) {
       var completed = _ref2.completed,
-          target = _ref2.target,
-          onMove = _ref2.onMove,
-          activeSortable = _ref2.activeSortable,
-          changed = _ref2.changed,
-          cancel = _ref2.cancel;
+        target = _ref2.target,
+        onMove = _ref2.onMove,
+        activeSortable = _ref2.activeSortable,
+        changed = _ref2.changed,
+        cancel = _ref2.cancel;
       if (!activeSortable.options.swap) return;
       var el = this.sortable.el,
-          options = this.options;
-
+        options = this.options;
       if (target && target !== el) {
         var prevSwapEl = lastSwapEl;
-
         if (onMove(target) !== false) {
           toggleClass(target, options.swapClass, true);
           lastSwapEl = target;
         } else {
           lastSwapEl = null;
         }
-
         if (prevSwapEl && prevSwapEl !== lastSwapEl) {
           toggleClass(prevSwapEl, options.swapClass, false);
         }
       }
-
       changed();
       completed(true);
       cancel();
     },
     drop: function drop(_ref3) {
       var activeSortable = _ref3.activeSortable,
-          putSortable = _ref3.putSortable,
-          dragEl = _ref3.dragEl;
+        putSortable = _ref3.putSortable,
+        dragEl = _ref3.dragEl;
       var toSortable = putSortable || this.sortable;
       var options = this.options;
       lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
-
       if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
         if (dragEl !== lastSwapEl) {
           toSortable.captureAnimationState();
@@ -3139,38 +2754,34 @@ function SwapPlugin() {
     }
   });
 }
-
 function swapNodes(n1, n2) {
   var p1 = n1.parentNode,
-      p2 = n2.parentNode,
-      i1,
-      i2;
+    p2 = n2.parentNode,
+    i1,
+    i2;
   if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
   i1 = index(n1);
   i2 = index(n2);
-
   if (p1.isEqualNode(p2) && i1 < i2) {
     i2++;
   }
-
   p1.insertBefore(n2, p1.children[i1]);
   p2.insertBefore(n1, p2.children[i2]);
 }
 
 var multiDragElements = [],
-    multiDragClones = [],
-    lastMultiDragSelect,
-    // for selection with modifier key down (SHIFT)
-multiDragSortable,
-    initialFolding = false,
-    // Initial multi-drag fold when drag started
-folding = false,
-    // Folding any other time
-dragStarted = false,
-    dragEl$1,
-    clonesFromRect,
-    clonesHidden;
-
+  multiDragClones = [],
+  lastMultiDragSelect,
+  // for selection with modifier key down (SHIFT)
+  multiDragSortable,
+  initialFolding = false,
+  // Initial multi-drag fold when drag started
+  folding = false,
+  // Folding any other time
+  dragStarted = false,
+  dragEl$1,
+  clonesFromRect,
+  clonesHidden;
 function MultiDragPlugin() {
   function MultiDrag(sortable) {
     // Bind all private methods
@@ -3179,7 +2790,6 @@ function MultiDragPlugin() {
         this[fn] = this[fn].bind(this);
       }
     }
-
     if (!sortable.options.avoidImplicitDeselect) {
       if (sortable.options.supportPointer) {
         on(document, 'pointerup', this._deselectMultiDrag);
@@ -3188,7 +2798,6 @@ function MultiDragPlugin() {
         on(document, 'touchend', this._deselectMultiDrag);
       }
     }
-
     on(document, 'keydown', this._checkKeyDown);
     on(document, 'keyup', this._checkKeyUp);
     this.defaults = {
@@ -3197,7 +2806,6 @@ function MultiDragPlugin() {
       avoidImplicitDeselect: false,
       setData: function setData(dataTransfer, dragEl) {
         var data = '';
-
         if (multiDragElements.length && multiDragSortable === sortable) {
           multiDragElements.forEach(function (multiDragElement, i) {
             data += (!i ? '' : ', ') + multiDragElement.textContent;
@@ -3205,12 +2813,10 @@ function MultiDragPlugin() {
         } else {
           data = dragEl.textContent;
         }
-
         dataTransfer.setData('Text', data);
       }
     };
   }
-
   MultiDrag.prototype = {
     multiDragKeyDown: false,
     isMultiDrag: false,
@@ -3223,9 +2829,8 @@ function MultiDragPlugin() {
     },
     setupClone: function setupClone(_ref2) {
       var sortable = _ref2.sortable,
-          cancel = _ref2.cancel;
+        cancel = _ref2.cancel;
       if (!this.isMultiDrag) return;
-
       for (var i = 0; i < multiDragElements.length; i++) {
         multiDragClones.push(clone(multiDragElements[i]));
         multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
@@ -3234,18 +2839,15 @@ function MultiDragPlugin() {
         toggleClass(multiDragClones[i], this.options.selectedClass, false);
         multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
       }
-
       sortable._hideClone();
-
       cancel();
     },
     clone: function clone(_ref3) {
       var sortable = _ref3.sortable,
-          rootEl = _ref3.rootEl,
-          dispatchSortableEvent = _ref3.dispatchSortableEvent,
-          cancel = _ref3.cancel;
+        rootEl = _ref3.rootEl,
+        dispatchSortableEvent = _ref3.dispatchSortableEvent,
+        cancel = _ref3.cancel;
       if (!this.isMultiDrag) return;
-
       if (!this.options.removeCloneOnHide) {
         if (multiDragElements.length && multiDragSortable === sortable) {
           insertMultiDragClones(true, rootEl);
@@ -3256,8 +2858,8 @@ function MultiDragPlugin() {
     },
     showClone: function showClone(_ref4) {
       var cloneNowShown = _ref4.cloneNowShown,
-          rootEl = _ref4.rootEl,
-          cancel = _ref4.cancel;
+        rootEl = _ref4.rootEl,
+        cancel = _ref4.cancel;
       if (!this.isMultiDrag) return;
       insertMultiDragClones(false, rootEl);
       multiDragClones.forEach(function (clone) {
@@ -3269,14 +2871,12 @@ function MultiDragPlugin() {
     },
     hideClone: function hideClone(_ref5) {
       var _this = this;
-
       var sortable = _ref5.sortable,
-          cloneNowHidden = _ref5.cloneNowHidden,
-          cancel = _ref5.cancel;
+        cloneNowHidden = _ref5.cloneNowHidden,
+        cancel = _ref5.cancel;
       if (!this.isMultiDrag) return;
       multiDragClones.forEach(function (clone) {
         css(clone, 'display', 'none');
-
         if (_this.options.removeCloneOnHide && clone.parentNode) {
           clone.parentNode.removeChild(clone);
         }
@@ -3287,15 +2887,14 @@ function MultiDragPlugin() {
     },
     dragStartGlobal: function dragStartGlobal(_ref6) {
       var sortable = _ref6.sortable;
-
       if (!this.isMultiDrag && multiDragSortable) {
         multiDragSortable.multiDrag._deselectMultiDrag();
       }
-
       multiDragElements.forEach(function (multiDragElement) {
         multiDragElement.sortableIndex = index(multiDragElement);
-      }); // Sort multi-drag elements
+      });
 
+      // Sort multi-drag elements
       multiDragElements = multiDragElements.sort(function (a, b) {
         return a.sortableIndex - b.sortableIndex;
       });
@@ -3303,10 +2902,8 @@ function MultiDragPlugin() {
     },
     dragStarted: function dragStarted(_ref7) {
       var _this2 = this;
-
       var sortable = _ref7.sortable;
       if (!this.isMultiDrag) return;
-
       if (this.options.sort) {
         // Capture rects,
         // hide multi drag elements (by positioning them absolute),
@@ -3314,8 +2911,8 @@ function MultiDragPlugin() {
         // show multi drag elements,
         // animate to rects,
         // unset rects & remove from DOM
-        sortable.captureAnimationState();
 
+        sortable.captureAnimationState();
         if (this.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
@@ -3330,18 +2927,16 @@ function MultiDragPlugin() {
           initialFolding = true;
         }
       }
-
       sortable.animateAll(function () {
         folding = false;
         initialFolding = false;
-
         if (_this2.options.animation) {
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
-        } // Remove all auxiliary multidrag items from el, if sorting enabled
-
+        }
 
+        // Remove all auxiliary multidrag items from el, if sorting enabled
         if (_this2.options.sort) {
           removeMultiDragElements();
         }
@@ -3349,9 +2944,8 @@ function MultiDragPlugin() {
     },
     dragOver: function dragOver(_ref8) {
       var target = _ref8.target,
-          completed = _ref8.completed,
-          cancel = _ref8.cancel;
-
+        completed = _ref8.completed,
+        cancel = _ref8.cancel;
       if (folding && ~multiDragElements.indexOf(target)) {
         completed(false);
         cancel();
@@ -3359,10 +2953,9 @@ function MultiDragPlugin() {
     },
     revert: function revert(_ref9) {
       var fromSortable = _ref9.fromSortable,
-          rootEl = _ref9.rootEl,
-          sortable = _ref9.sortable,
-          dragRect = _ref9.dragRect;
-
+        rootEl = _ref9.rootEl,
+        sortable = _ref9.sortable,
+        dragRect = _ref9.dragRect;
       if (multiDragElements.length > 1) {
         // Setup unfold animation
         multiDragElements.forEach(function (multiDragElement) {
@@ -3380,47 +2973,44 @@ function MultiDragPlugin() {
     },
     dragOverCompleted: function dragOverCompleted(_ref10) {
       var sortable = _ref10.sortable,
-          isOwner = _ref10.isOwner,
-          insertion = _ref10.insertion,
-          activeSortable = _ref10.activeSortable,
-          parentEl = _ref10.parentEl,
-          putSortable = _ref10.putSortable;
+        isOwner = _ref10.isOwner,
+        insertion = _ref10.insertion,
+        activeSortable = _ref10.activeSortable,
+        parentEl = _ref10.parentEl,
+        putSortable = _ref10.putSortable;
       var options = this.options;
-
       if (insertion) {
         // Clones must be hidden before folding animation to capture dragRectAbsolute properly
         if (isOwner) {
           activeSortable._hideClone();
         }
-
-        initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location
-
+        initialFolding = false;
+        // If leaving sort:false root, or already folding - Fold to new location
         if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
           // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
           var dragRectAbsolute = getRect(dragEl$1, false, true, true);
           multiDragElements.forEach(function (multiDragElement) {
             if (multiDragElement === dragEl$1) return;
-            setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
-            // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
+            setRect(multiDragElement, dragRectAbsolute);
 
+            // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
+            // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
             parentEl.appendChild(multiDragElement);
           });
           folding = true;
-        } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
-
+        }
 
+        // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
         if (!isOwner) {
           // Only remove if not folding (folding will remove them anyways)
           if (!folding) {
             removeMultiDragElements();
           }
-
           if (multiDragElements.length > 1) {
             var clonesHiddenBefore = clonesHidden;
+            activeSortable._showClone(sortable);
 
-            activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden
-
-
+            // Unfold animation for clones if showing from hidden
             if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
               multiDragClones.forEach(function (clone) {
                 activeSortable.addAnimationState({
@@ -3439,12 +3029,11 @@ function MultiDragPlugin() {
     },
     dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
       var dragRect = _ref11.dragRect,
-          isOwner = _ref11.isOwner,
-          activeSortable = _ref11.activeSortable;
+        isOwner = _ref11.isOwner,
+        activeSortable = _ref11.activeSortable;
       multiDragElements.forEach(function (multiDragElement) {
         multiDragElement.thisAnimationDuration = null;
       });
-
       if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
         clonesFromRect = _extends({}, dragRect);
         var dragMatrix = matrix(dragEl$1, true);
@@ -3460,24 +3049,23 @@ function MultiDragPlugin() {
     },
     drop: function drop(_ref12) {
       var evt = _ref12.originalEvent,
-          rootEl = _ref12.rootEl,
-          parentEl = _ref12.parentEl,
-          sortable = _ref12.sortable,
-          dispatchSortableEvent = _ref12.dispatchSortableEvent,
-          oldIndex = _ref12.oldIndex,
-          putSortable = _ref12.putSortable;
+        rootEl = _ref12.rootEl,
+        parentEl = _ref12.parentEl,
+        sortable = _ref12.sortable,
+        dispatchSortableEvent = _ref12.dispatchSortableEvent,
+        oldIndex = _ref12.oldIndex,
+        putSortable = _ref12.putSortable;
       var toSortable = putSortable || this.sortable;
       if (!evt) return;
       var options = this.options,
-          children = parentEl.children; // Multi-drag selection
+        children = parentEl.children;
 
+      // Multi-drag selection
       if (!dragStarted) {
         if (options.multiDragKey && !this.multiDragKeyDown) {
           this._deselectMultiDrag();
         }
-
         toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));
-
         if (!~multiDragElements.indexOf(dragEl$1)) {
           multiDragElements.push(dragEl$1);
           dispatchEvent({
@@ -3486,17 +3074,16 @@ function MultiDragPlugin() {
             name: 'select',
             targetEl: dragEl$1,
             originalEvent: evt
-          }); // Modifier activated, select from last to dragEl
+          });
 
+          // Modifier activated, select from last to dragEl
           if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
             var lastIndex = index(lastMultiDragSelect),
-                currentIndex = index(dragEl$1);
-
+              currentIndex = index(dragEl$1);
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
               // Must include lastMultiDragSelect (select it), in case modified selection from no selection
               // (but previous selection existed)
               var n, i;
-
               if (currentIndex > lastIndex) {
                 i = lastIndex;
                 n = currentIndex;
@@ -3504,7 +3091,6 @@ function MultiDragPlugin() {
                 i = currentIndex;
                 n = lastIndex + 1;
               }
-
               for (; i < n; i++) {
                 if (~multiDragElements.indexOf(children[i])) continue;
                 toggleClass(children[i], options.selectedClass, true);
@@ -3521,7 +3107,6 @@ function MultiDragPlugin() {
           } else {
             lastMultiDragSelect = dragEl$1;
           }
-
           multiDragSortable = toSortable;
         } else {
           multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
@@ -3534,38 +3119,37 @@ function MultiDragPlugin() {
             originalEvent: evt
           });
         }
-      } // Multi-drag drop
-
+      }
 
+      // Multi-drag drop
       if (dragStarted && this.isMultiDrag) {
-        folding = false; // Do not "unfold" after around dragEl if reverted
-
+        folding = false;
+        // Do not "unfold" after around dragEl if reverted
         if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
           var dragRect = getRect(dragEl$1),
-              multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
+            multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
           if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
           toSortable.captureAnimationState();
-
           if (!initialFolding) {
             if (options.animation) {
               dragEl$1.fromRect = dragRect;
               multiDragElements.forEach(function (multiDragElement) {
                 multiDragElement.thisAnimationDuration = null;
-
                 if (multiDragElement !== dragEl$1) {
                   var rect = folding ? getRect(multiDragElement) : dragRect;
-                  multiDragElement.fromRect = rect; // Prepare unfold animation
+                  multiDragElement.fromRect = rect;
 
+                  // Prepare unfold animation
                   toSortable.addAnimationState({
                     target: multiDragElement,
                     rect: rect
                   });
                 }
               });
-            } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
-            // properly they must all be removed
-
+            }
 
+            // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
+            // properly they must all be removed
             removeMultiDragElements();
             multiDragElements.forEach(function (multiDragElement) {
               if (children[multiDragIndex]) {
@@ -3573,12 +3157,12 @@ function MultiDragPlugin() {
               } else {
                 parentEl.appendChild(multiDragElement);
               }
-
               multiDragIndex++;
-            }); // If initial folding is done, the elements may have changed position because they are now
+            });
+
+            // If initial folding is done, the elements may have changed position because they are now
             // unfolding around dragEl, even though dragEl may not have his index changed, so update event
             // must be fired here as Sortable will not.
-
             if (oldIndex === index(dragEl$1)) {
               var update = false;
               multiDragElements.forEach(function (multiDragElement) {
@@ -3587,24 +3171,23 @@ function MultiDragPlugin() {
                   return;
                 }
               });
-
               if (update) {
                 dispatchSortableEvent('update');
+                dispatchSortableEvent('sort');
               }
             }
-          } // Must be done after capturing individual rects (scroll bar)
-
+          }
 
+          // Must be done after capturing individual rects (scroll bar)
           multiDragElements.forEach(function (multiDragElement) {
             unsetRect(multiDragElement);
           });
           toSortable.animateAll();
         }
-
         multiDragSortable = toSortable;
-      } // Remove clones if necessary
-
+      }
 
+      // Remove clones if necessary
       if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
         multiDragClones.forEach(function (clone) {
           clone.parentNode && clone.parentNode.removeChild(clone);
@@ -3617,7 +3200,6 @@ function MultiDragPlugin() {
     },
     destroyGlobal: function destroyGlobal() {
       this._deselectMultiDrag();
-
       off(document, 'pointerup', this._deselectMultiDrag);
       off(document, 'mouseup', this._deselectMultiDrag);
       off(document, 'touchend', this._deselectMultiDrag);
@@ -3625,14 +3207,16 @@ function MultiDragPlugin() {
       off(document, 'keyup', this._checkKeyUp);
     },
     _deselectMultiDrag: function _deselectMultiDrag(evt) {
-      if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
+      if (typeof dragStarted !== "undefined" && dragStarted) return;
 
-      if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
+      // Only deselect if selection is in this sortable
+      if (multiDragSortable !== this.sortable) return;
 
-      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
+      // Only deselect if target is not item in this sortable
+      if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return;
 
+      // Only deselect if left click
       if (evt && evt.button !== 0) return;
-
       while (multiDragElements.length) {
         var el = multiDragElements[0];
         toggleClass(el, this.options.selectedClass, false);
@@ -3668,24 +3252,20 @@ function MultiDragPlugin() {
       select: function select(el) {
         var sortable = el.parentNode[expando];
         if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;
-
         if (multiDragSortable && multiDragSortable !== sortable) {
           multiDragSortable.multiDrag._deselectMultiDrag();
-
           multiDragSortable = sortable;
         }
-
         toggleClass(el, sortable.options.selectedClass, true);
         multiDragElements.push(el);
       },
-
       /**
        * Deselects the provided multi-drag item
        * @param  {HTMLElement} el    The element to be deselected
        */
       deselect: function deselect(el) {
         var sortable = el.parentNode[expando],
-            index = multiDragElements.indexOf(el);
+          index = multiDragElements.indexOf(el);
         if (!sortable || !sortable.options.multiDrag || !~index) return;
         toggleClass(el, sortable.options.selectedClass, false);
         multiDragElements.splice(index, 1);
@@ -3693,17 +3273,16 @@ function MultiDragPlugin() {
     },
     eventProperties: function eventProperties() {
       var _this3 = this;
-
       var oldIndicies = [],
-          newIndicies = [];
+        newIndicies = [];
       multiDragElements.forEach(function (multiDragElement) {
         oldIndicies.push({
           multiDragElement: multiDragElement,
           index: multiDragElement.sortableIndex
-        }); // multiDragElements will already be sorted if folding
+        });
 
+        // multiDragElements will already be sorted if folding
         var newIndex;
-
         if (folding && multiDragElement !== dragEl$1) {
           newIndex = -1;
         } else if (folding) {
@@ -3711,7 +3290,6 @@ function MultiDragPlugin() {
         } else {
           newIndex = index(multiDragElement);
         }
-
         newIndicies.push({
           multiDragElement: multiDragElement,
           index: newIndex
@@ -3727,23 +3305,19 @@ function MultiDragPlugin() {
     optionListeners: {
       multiDragKey: function multiDragKey(key) {
         key = key.toLowerCase();
-
         if (key === 'ctrl') {
           key = 'Control';
         } else if (key.length > 1) {
           key = key.charAt(0).toUpperCase() + key.substr(1);
         }
-
         return key;
       }
     }
   });
 }
-
 function insertMultiDragElements(clonesInserted, rootEl) {
   multiDragElements.forEach(function (multiDragElement, i) {
     var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
-
     if (target) {
       rootEl.insertBefore(multiDragElement, target);
     } else {
@@ -3751,17 +3325,15 @@ function insertMultiDragElements(clonesInserted, rootEl) {
     }
   });
 }
+
 /**
  * Insert multi-drag clones
  * @param  {[Boolean]} elementsInserted  Whether the multi-drag elements are inserted
  * @param  {HTMLElement} rootEl
  */
-
-
 function insertMultiDragClones(elementsInserted, rootEl) {
   multiDragClones.forEach(function (clone, i) {
     var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
-
     if (target) {
       rootEl.insertBefore(clone, target);
     } else {
@@ -3769,7 +3341,6 @@ function insertMultiDragClones(elementsInserted, rootEl) {
     }
   });
 }
-
 function removeMultiDragElements() {
   multiDragElements.forEach(function (multiDragElement) {
     if (multiDragElement === dragEl$1) return;
diff --git a/package-lock.json b/package-lock.json
index c0517d3f9..0deaf3742 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "sortablejs",
-	"version": "1.15.0",
+	"version": "1.15.1",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "sortablejs",
-			"version": "1.15.0",
+			"version": "1.15.1",
 			"license": "MIT",
 			"devDependencies": {
 				"@babel/core": "^7.4.4",
diff --git a/package.json b/package.json
index 99ed7b6dc..e964b44c3 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.15.0",
+	"version": "1.15.1",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 38e4d8739285deabb71469730bdf35065c874e55 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Sat, 13 Jan 2024 17:36:57 +0000
Subject: [PATCH 73/94] #2339: Use child containing rect for ghostIsLast &
 ghostIsFirst

---
 src/Sortable.js | 36 ++++++++++++++++++------------------
 src/utils.js    | 18 ++++++++++++++++++
 2 files changed, 36 insertions(+), 18 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 8147c97d5..74045d4f4 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -35,7 +35,7 @@ import {
 	scrollBy,
 	clone,
 	expando,
-	getContentRect
+	getChildContainingRectFromElement
 } from './utils.js';
 
 
@@ -1790,22 +1790,22 @@ function _unsilent() {
 
 function _ghostIsFirst(evt, vertical, sortable) {
 	let firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
-	const sortableContentRect = getContentRect(sortable.el);
+	const childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
 	const spacer = 10;
 
 	return vertical ?
-		(evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right) :
-		(evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left)
+		(evt.clientX < childContainingRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right) :
+		(evt.clientY < childContainingRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left)
 }
 
 function _ghostIsLast(evt, vertical, sortable) {
 	const lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
-	const sortableContentRect = getContentRect(sortable.el);
+	const childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
 	const spacer = 10;
 
 	return vertical ?
-		(evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left) :
-		(evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top);
+		(evt.clientX > childContainingRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left) :
+		(evt.clientY > childContainingRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top);
 }
 
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
@@ -1944,23 +1944,23 @@ if (documentExists) {
 
 // Export utils
 Sortable.utils = {
-	on: on,
-	off: off,
-	css: css,
-	find: find,
+	on,
+	off,
+	css,
+	find,
 	is: function (el, selector) {
 		return !!closest(el, selector, el, false);
 	},
-	extend: extend,
-	throttle: throttle,
-	closest: closest,
-	toggleClass: toggleClass,
-	clone: clone,
-	index: index,
+	extend,
+	throttle,
+	closest,
+	toggleClass,
+	clone,
+	index,
 	nextTick: _nextTick,
 	cancelNextTick: _cancelNextTick,
 	detectDirection: _detectDirection,
-	getChild: getChild
+	getChild
 };
 
 
diff --git a/src/utils.js b/src/utils.js
index b7649629e..c26c5bb90 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -541,6 +541,23 @@ function unsetRect(el) {
 	css(el, 'height', '');
 }
 
+function getChildContainingRectFromElement(container, options, ghostEl) {
+    const rect = {};
+
+	Array.from(container.children).forEach(child => {
+		if (!closest(child, options.draggable, container, false) || child.animated || child === ghostEl) return;
+		const childRect = getRect(child);
+		rect.left = Math.min(rect.left ?? Infinity, childRect.left);
+		rect.top = Math.min(rect.top ?? Infinity, childRect.top);
+		rect.right = Math.max(rect.right ?? -Infinity, childRect.right);
+		rect.bottom = Math.max(rect.bottom ?? -Infinity, childRect.bottom);
+	});
+	rect.width = rect.right - rect.left;
+	rect.height = rect.bottom - rect.top;
+	rect.x = rect.left;
+	rect.y = rect.top;
+    return rect;
+}
 
 const expando = 'Sortable' + (new Date).getTime();
 
@@ -573,5 +590,6 @@ export {
 	setRect,
 	unsetRect,
 	getContentRect,
+	getChildContainingRectFromElement,
 	expando
 };

From 07708fa1e7d9cf9d4563a7b1a09f7a47771522ed Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Sun, 14 Jan 2024 00:22:55 +0000
Subject: [PATCH 74/94] 1.15.2

---
 Sortable.js                      | 49 +++++++++++++++-----------------
 Sortable.min.js                  |  4 +--
 modular/sortable.complete.esm.js | 49 +++++++++++++++-----------------
 modular/sortable.core.esm.js     | 49 +++++++++++++++-----------------
 modular/sortable.esm.js          | 49 +++++++++++++++-----------------
 package.json                     |  2 +-
 6 files changed, 95 insertions(+), 107 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index 41c2d1640..3af939cf1 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.1
+ * Sortable 1.15.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -134,7 +134,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.15.1";
+  var version = "1.15.2";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -335,26 +335,6 @@
     };
   }
 
-  /**
-   * Returns the content rect of the element (bounding rect minus border and padding)
-   * @param {HTMLElement} el 
-   */
-  function getContentRect(el) {
-    var rect = getRect(el);
-    var paddingLeft = parseInt(css(el, 'padding-left')),
-      paddingTop = parseInt(css(el, 'padding-top')),
-      paddingRight = parseInt(css(el, 'padding-right')),
-      paddingBottom = parseInt(css(el, 'padding-bottom'));
-    rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
-    rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
-    // Client Width/Height includes padding only
-    rect.width = el.clientWidth - paddingLeft - paddingRight;
-    rect.height = el.clientHeight - paddingTop - paddingBottom;
-    rect.bottom = rect.top + rect.height;
-    rect.right = rect.left + rect.width;
-    return rect;
-  }
-
   /**
    * Checks if a side of an element is scrolled past a side of its parents
    * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -561,6 +541,23 @@
     css(el, 'width', '');
     css(el, 'height', '');
   }
+  function getChildContainingRectFromElement(container, options, ghostEl) {
+    var rect = {};
+    Array.from(container.children).forEach(function (child) {
+      var _rect$left, _rect$top, _rect$right, _rect$bottom;
+      if (!closest(child, options.draggable, container, false) || child.animated || child === ghostEl) return;
+      var childRect = getRect(child);
+      rect.left = Math.min((_rect$left = rect.left) !== null && _rect$left !== void 0 ? _rect$left : Infinity, childRect.left);
+      rect.top = Math.min((_rect$top = rect.top) !== null && _rect$top !== void 0 ? _rect$top : Infinity, childRect.top);
+      rect.right = Math.max((_rect$right = rect.right) !== null && _rect$right !== void 0 ? _rect$right : -Infinity, childRect.right);
+      rect.bottom = Math.max((_rect$bottom = rect.bottom) !== null && _rect$bottom !== void 0 ? _rect$bottom : -Infinity, childRect.bottom);
+    });
+    rect.width = rect.right - rect.left;
+    rect.height = rect.bottom - rect.top;
+    rect.x = rect.left;
+    rect.y = rect.top;
+    return rect;
+  }
   var expando = 'Sortable' + new Date().getTime();
 
   function AnimationStateManager() {
@@ -2253,15 +2250,15 @@
   }
   function _ghostIsFirst(evt, vertical, sortable) {
     var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
-    var sortableContentRect = getContentRect(sortable.el);
+    var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
     var spacer = 10;
-    return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
+    return vertical ? evt.clientX < childContainingRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < childContainingRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
   }
   function _ghostIsLast(evt, vertical, sortable) {
     var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
-    var sortableContentRect = getContentRect(sortable.el);
+    var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
     var spacer = 10;
-    return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
+    return vertical ? evt.clientX > childContainingRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > childContainingRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
   }
   function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
     var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
diff --git a/Sortable.min.js b/Sortable.min.js
index 1a9f19982..bb9953355 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.15.1 - MIT | git://github.com/SortableJS/Sortable.git */
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e=this.options,n=e.fallbackTolerance,o=e.fallbackOffset,i=t.touches?t.touches[0]:t,r=$&&v($,!0),a=$&&r&&r.a,l=$&&r&&r.d,e=At&&yt&&E(yt),a=(i.clientX-ct.clientX+o.x)/(a||1)+(e?e[0]-Ct[0]:0)/(a||1),l=(i.clientY-ct.clientY+o.y)/(l||1)+(e?e[1]-Ct[1]:0)/(l||1);if(!Ft.active&&!wt){if(n&&Math.max(Math.abs(i.clientX-this._lastX),Math.abs(i.clientY-this._lastY))<n)return;this._onDragStart(t,!0)}$&&(r?(r.e+=a-(dt||0),r.f+=l-(ht||0)):r={a:1,b:0,c:0,d:1,e:a,f:l},r="matrix(".concat(r.a,",").concat(r.b,",").concat(r.c,",").concat(r.d,",").concat(r.e,",").concat(r.f,")"),R($,"webkitTransform",r),R($,"mozTransform",r),R($,"msTransform",r),R($,"transform",r),dt=a,ht=l,ut=i),t.cancelable&&t.preventDefault()}},_appendGhost:function(){if(!$){var 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n=this,o=t.dataTransfer,i=n.options;G("dragStart",this,{evt:t}),Ft.eventCanceled?this._onDrop():(G("setupClone",this),Ft.eventCanceled||((et=_(V)).removeAttribute("id"),et.draggable=!1,et.style["will-change"]="",this._hideClone(),k(et,this.options.chosenClass,!1),Ft.clone=et),n.cloneId=Wt(function(){G("clone",n),Ft.eventCanceled||(n.options.removeCloneOnHide||Q.insertBefore(et,V),n._hideClone(),q({sortable:n,name:"clone"}))}),e||k(V,i.dragClass,!0),e?(Et=!0,n._loopId=setInterval(n._emulateDragOver,50)):(p(document,"mouseup",n._onDrop),p(document,"touchend",n._onDrop),p(document,"touchcancel",n._onDrop),o&&(o.effectAllowed="move",i.setData&&i.setData.call(n,o,V)),h(document,"drop",n),R(V,"transform","translateZ(0)")),wt=!0,n._dragStartId=Wt(n._dragStarted.bind(n,e,t)),h(document,"selectstart",n),gt=!0,u&&R(document.body,"user-select","none"))},_onDragOver:function(n){var 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t=this.el.ownerDocument;p(t,"mouseup",this._onDrop),p(t,"touchend",this._onDrop),p(t,"pointerup",this._onDrop),p(t,"touchcancel",this._onDrop),p(document,"selectstart",this)},_onDrop:function(t){var e=this.el,n=this.options;it=H(V),at=H(V,n.draggable),G("drop",this,{evt:t}),Z=V&&V.parentNode,it=H(V),at=H(V,n.draggable),Ft.eventCanceled||(St=_t=wt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),Kt(this.cloneId),Kt(this._dragStartId),this.nativeDraggable&&(p(document,"drop",this),p(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),u&&R(document.body,"user-select",""),R(V,"transform",""),t&&(gt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),$&&$.parentNode&&$.parentNode.removeChild($),(Q===Z||st&&"clone"!==st.lastPutMode)&&et&&et.parentNode&&et.parentNode.removeChild(et),V&&(this.nativeDraggable&&p(V,"dragend",this),Ht(V),V.style["will-change"]="",gt&&!wt&&k(V,(st||this).options.ghostClass,!1),k(V,this.options.chosenClass,!1),q({sortable:this,name:"unchoose",toEl:Z,newIndex:null,newDraggableIndex:null,originalEvent:t}),Q!==Z?(0<=it&&(q({rootEl:Z,name:"add",toEl:Z,fromEl:Q,originalEvent:t}),q({sortable:this,name:"remove",toEl:Z,originalEvent:t}),q({rootEl:Z,name:"sort",toEl:Z,fromEl:Q,originalEvent:t}),q({sortable:this,name:"sort",toEl:Z,originalEvent:t})),st&&st.save()):it!==ot&&0<=it&&(q({sortable:this,name:"update",toEl:Z,originalEvent:t}),q({sortable:this,name:"sort",toEl:Z,originalEvent:t})),Ft.active&&(null!=it&&-1!==it||(it=ot,at=rt),q({sortable:this,name:"end",toEl:Z,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){G("nulling",this),Q=V=Z=$=J=et=tt=nt=ct=ut=gt=it=at=ot=rt=mt=vt=st=lt=Ft.dragged=Ft.ghost=Ft.clone=Ft.active=null,xt.forEach(function(t){t.checked=!0}),xt.length=dt=ht=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":V&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=K.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&kt(n)},destroy:function(){G("destroy",this);var 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t=this.el.ownerDocument;f(t,"mouseup",this._onDrop),f(t,"touchend",this._onDrop),f(t,"pointerup",this._onDrop),f(t,"touchcancel",this._onDrop),f(document,"selectstart",this)},_onDrop:function(t){var e=this.el,n=this.options;it=j(V),at=j(V,n.draggable),G("drop",this,{evt:t}),Z=V&&V.parentNode,it=j(V),at=j(V,n.draggable),Ft.eventCanceled||(St=_t=wt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),Wt(this.cloneId),Wt(this._dragStartId),this.nativeDraggable&&(f(document,"drop",this),f(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),u&&R(document.body,"user-select",""),R(V,"transform",""),t&&(gt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),$&&$.parentNode&&$.parentNode.removeChild($),(Q===Z||st&&"clone"!==st.lastPutMode)&&et&&et.parentNode&&et.parentNode.removeChild(et),V&&(this.nativeDraggable&&f(V,"dragend",this),Ht(V),V.style["will-change"]="",gt&&!wt&&k(V,(st||this).options.ghostClass,!1),k(V,this.options.chosenClass,!1),q({sortable:this,name:"unchoose",toEl:Z,newIndex:null,newDraggableIndex:null,originalEvent:t}),Q!==Z?(0<=it&&(q({rootEl:Z,name:"add",toEl:Z,fromEl:Q,originalEvent:t}),q({sortable:this,name:"remove",toEl:Z,originalEvent:t}),q({rootEl:Z,name:"sort",toEl:Z,fromEl:Q,originalEvent:t}),q({sortable:this,name:"sort",toEl:Z,originalEvent:t})),st&&st.save()):it!==ot&&0<=it&&(q({sortable:this,name:"update",toEl:Z,originalEvent:t}),q({sortable:this,name:"sort",toEl:Z,originalEvent:t})),Ft.active&&(null!=it&&-1!==it||(it=ot,at=rt),q({sortable:this,name:"end",toEl:Z,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){G("nulling",this),Q=V=Z=$=J=et=tt=nt=ct=ut=gt=it=at=ot=rt=mt=vt=st=lt=Ft.dragged=Ft.ghost=Ft.clone=Ft.active=null,xt.forEach(function(t){t.checked=!0}),xt.length=dt=ht=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":V&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=W.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&kt(n)},destroy:function(){G("destroy",this);var t=this.el;t[K]=null,f(t,"mousedown",this._onTapStart),f(t,"touchstart",this._onTapStart),f(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(f(t,"dragover",this),f(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),this._disableDelayedDragEvents(),Dt.splice(Dt.indexOf(this.el),1),this.el=t=null},_hideClone:function(){nt||(G("hideClone",this),Ft.eventCanceled||(R(et,"display","none"),this.options.removeCloneOnHide&&et.parentNode&&et.parentNode.removeChild(et),nt=!0))},_showClone:function(t){"clone"===t.lastPutMode?nt&&(G("showClone",this),Ft.eventCanceled||(V.parentNode!=Q||this.options.group.revertClone?J?Q.insertBefore(et,J):Q.appendChild(et):Q.insertBefore(et,V),this.options.group.revertClone&&this.animate(V,et),R(et,"display",""),nt=!1)):this._hideClone()}},Ot&&h(document,"touchmove",function(t){(Ft.active||wt)&&t.cancelable&&t.preventDefault()}),Ft.utils={on:h,off:f,css:R,find:b,is:function(t,e){return!!P(t,e,t,!1)},extend:function(t,e){if(t&&e)for(var 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o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);Vt=e,n||this.options.forceAutoScrollFallback||w||y||u?(ne(e,this.options,t,n),o=M(t,!0),!Qt||Zt&&r===Ut&&a===qt||(Zt&&te(),Zt=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,Jt()),ne(e,i.options,t,n)},10),Ut=r,qt=a)):this.options.bubbleScroll&&M(t,!0)!==O()?ne(e,this.options,M(t,!1),!1):Jt()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Ft.mount(ie,oe),Ft.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;ee=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=ee,ee=!1!==o(n)?(k(n,i.swapClass,!0),n):null,t&&t!==ee&&k(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ee&&k(ee,l.swapClass,!1),ee&&(l.swap||i&&i.options.swap)&&r!==ee&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ee,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ee=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ee}}})}),Ft.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";ue.length&&ae===o?ue.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;le=t},delayEnded:function(){this.isMultiDrag=~ue.indexOf(le)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<ue.length;n++)de.push(_(ue[n])),de[n].sortableIndex=ue[n].sortableIndex,de[n].draggable=!1,de[n].style["will-change"]="",k(de[n],this.options.selectedClass,!1),ue[n]===le&&k(de[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||ue.length&&ae===e&&(ge(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(ge(!1,n),de.forEach(function(t){R(t,"display","")}),e(),ce=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(de.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ce=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ae&&ae.multiDrag._deselectMultiDrag(),ue.forEach(function(t){t.sortableIndex=j(t)}),ue=ue.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),pe=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(ue.forEach(function(t){t!==le&&R(t,"position","absolute")}),e=X(le,!1,!0,!0),ue.forEach(function(t){t!==le&&C(t,e)}),he=fe=!0)),t.animateAll(function(){he=fe=!1,n.options.animation&&ue.forEach(function(t){T(t)}),n.options.sort&&me()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;fe&&~ue.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<ue.length&&(ue.forEach(function(t){r.addAnimationState({target:t,rect:fe?X(t):a}),T(t),t.fromRect=a,e.removeAnimationState(t)}),fe=!1,n=!this.options.removeCloneOnHide,o=i,ue.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),he=!1,t.animation&&1<ue.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(le,!1,!0,!0),ue.forEach(function(t){t!==le&&(C(t,e),a.appendChild(t))}),fe=!0),o||(fe||me(),1<ue.length?(o=ce,r._showClone(n),r.options.animation&&!ce&&o&&de.forEach(function(t){r.addAnimationState({target:t,rect:se}),t.fromRect=se,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;ue.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(se=a({},e),e=v(le,!0),se.top-=e.f,se.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,me())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,f=o.children;if(!pe)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(le,h.selectedClass,!~ue.indexOf(le)),~ue.indexOf(le))ue.splice(ue.indexOf(le),1),re=null,z({sortable:i,rootEl:n,name:"deselect",targetEl:le,originalEvent:e});else{if(ue.push(le),z({sortable:i,rootEl:n,name:"select",targetEl:le,originalEvent:e}),e.shiftKey&&re&&i.el.contains(re)){var p=j(re),t=j(le);if(~p&&~t&&p!==t)for(var g,m=p<t?(g=p,t):(g=t,p+1);g<m;g++)~ue.indexOf(f[g])||(k(f[g],h.selectedClass,!0),ue.push(f[g]),z({sortable:i,rootEl:n,name:"select",targetEl:f[g],originalEvent:e}))}else re=le;ae=s}pe&&this.isMultiDrag&&(fe=!1,(o[K].options.sort||o!==n)&&1<ue.length&&(c=X(le),u=j(le,":not(."+this.options.selectedClass+")"),!he&&h.animation&&(le.thisAnimationDuration=null),s.captureAnimationState(),he||(h.animation&&(le.fromRect=c,ue.forEach(function(t){var e;t.thisAnimationDuration=null,t!==le&&(e=fe?X(t):c,t.fromRect=e,s.addAnimationState({target:t,rect:e}))})),me(),ue.forEach(function(t){f[u]?o.insertBefore(t,f[u]):o.appendChild(t),u++}),a===j(le)&&(d=!1,ue.forEach(function(t){t.sortableIndex!==j(t)&&(d=!0)}),d&&(r("update"),r("sort")))),ue.forEach(function(t){T(t)}),s.animateAll()),ae=s),(n===o||l&&"clone"!==l.lastPutMode)&&de.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=pe=!1,de.length=0},destroyGlobal:function(){this._deselectMultiDrag(),f(document,"pointerup",this._deselectMultiDrag),f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==pe&&pe||ae!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;ue.length;){var e=ue[0];k(e,this.options.selectedClass,!1),ue.shift(),z({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~ue.indexOf(t)&&(ae&&ae!==e&&(ae.multiDrag._deselectMultiDrag(),ae=e),k(t,e.options.selectedClass,!0),ue.push(t))},deselect:function(t){var e=t.parentNode[K],n=ue.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),ue.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return ue.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=fe&&t!==le?-1:fe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(ue),clones:[].concat(de),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Ft});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index ca3c55f00..6d8ed58b9 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.1
+ * Sortable 1.15.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.1";
+var version = "1.15.2";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -329,26 +329,6 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
   };
 }
 
-/**
- * Returns the content rect of the element (bounding rect minus border and padding)
- * @param {HTMLElement} el 
- */
-function getContentRect(el) {
-  var rect = getRect(el);
-  var paddingLeft = parseInt(css(el, 'padding-left')),
-    paddingTop = parseInt(css(el, 'padding-top')),
-    paddingRight = parseInt(css(el, 'padding-right')),
-    paddingBottom = parseInt(css(el, 'padding-bottom'));
-  rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
-  rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
-  // Client Width/Height includes padding only
-  rect.width = el.clientWidth - paddingLeft - paddingRight;
-  rect.height = el.clientHeight - paddingTop - paddingBottom;
-  rect.bottom = rect.top + rect.height;
-  rect.right = rect.left + rect.width;
-  return rect;
-}
-
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -555,6 +535,23 @@ function unsetRect(el) {
   css(el, 'width', '');
   css(el, 'height', '');
 }
+function getChildContainingRectFromElement(container, options, ghostEl) {
+  var rect = {};
+  Array.from(container.children).forEach(function (child) {
+    var _rect$left, _rect$top, _rect$right, _rect$bottom;
+    if (!closest(child, options.draggable, container, false) || child.animated || child === ghostEl) return;
+    var childRect = getRect(child);
+    rect.left = Math.min((_rect$left = rect.left) !== null && _rect$left !== void 0 ? _rect$left : Infinity, childRect.left);
+    rect.top = Math.min((_rect$top = rect.top) !== null && _rect$top !== void 0 ? _rect$top : Infinity, childRect.top);
+    rect.right = Math.max((_rect$right = rect.right) !== null && _rect$right !== void 0 ? _rect$right : -Infinity, childRect.right);
+    rect.bottom = Math.max((_rect$bottom = rect.bottom) !== null && _rect$bottom !== void 0 ? _rect$bottom : -Infinity, childRect.bottom);
+  });
+  rect.width = rect.right - rect.left;
+  rect.height = rect.bottom - rect.top;
+  rect.x = rect.left;
+  rect.y = rect.top;
+  return rect;
+}
 var expando = 'Sortable' + new Date().getTime();
 
 function AnimationStateManager() {
@@ -2247,15 +2244,15 @@ function _unsilent() {
 }
 function _ghostIsFirst(evt, vertical, sortable) {
   var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
-  var sortableContentRect = getContentRect(sortable.el);
+  var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
   var spacer = 10;
-  return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
+  return vertical ? evt.clientX < childContainingRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < childContainingRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
 }
 function _ghostIsLast(evt, vertical, sortable) {
   var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
-  var sortableContentRect = getContentRect(sortable.el);
+  var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
   var spacer = 10;
-  return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
+  return vertical ? evt.clientX > childContainingRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > childContainingRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
 }
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
   var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 049d77c7f..93ba17509 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.1
+ * Sortable 1.15.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.1";
+var version = "1.15.2";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -329,26 +329,6 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
   };
 }
 
-/**
- * Returns the content rect of the element (bounding rect minus border and padding)
- * @param {HTMLElement} el 
- */
-function getContentRect(el) {
-  var rect = getRect(el);
-  var paddingLeft = parseInt(css(el, 'padding-left')),
-    paddingTop = parseInt(css(el, 'padding-top')),
-    paddingRight = parseInt(css(el, 'padding-right')),
-    paddingBottom = parseInt(css(el, 'padding-bottom'));
-  rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
-  rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
-  // Client Width/Height includes padding only
-  rect.width = el.clientWidth - paddingLeft - paddingRight;
-  rect.height = el.clientHeight - paddingTop - paddingBottom;
-  rect.bottom = rect.top + rect.height;
-  rect.right = rect.left + rect.width;
-  return rect;
-}
-
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -555,6 +535,23 @@ function unsetRect(el) {
   css(el, 'width', '');
   css(el, 'height', '');
 }
+function getChildContainingRectFromElement(container, options, ghostEl) {
+  var rect = {};
+  Array.from(container.children).forEach(function (child) {
+    var _rect$left, _rect$top, _rect$right, _rect$bottom;
+    if (!closest(child, options.draggable, container, false) || child.animated || child === ghostEl) return;
+    var childRect = getRect(child);
+    rect.left = Math.min((_rect$left = rect.left) !== null && _rect$left !== void 0 ? _rect$left : Infinity, childRect.left);
+    rect.top = Math.min((_rect$top = rect.top) !== null && _rect$top !== void 0 ? _rect$top : Infinity, childRect.top);
+    rect.right = Math.max((_rect$right = rect.right) !== null && _rect$right !== void 0 ? _rect$right : -Infinity, childRect.right);
+    rect.bottom = Math.max((_rect$bottom = rect.bottom) !== null && _rect$bottom !== void 0 ? _rect$bottom : -Infinity, childRect.bottom);
+  });
+  rect.width = rect.right - rect.left;
+  rect.height = rect.bottom - rect.top;
+  rect.x = rect.left;
+  rect.y = rect.top;
+  return rect;
+}
 var expando = 'Sortable' + new Date().getTime();
 
 function AnimationStateManager() {
@@ -2247,15 +2244,15 @@ function _unsilent() {
 }
 function _ghostIsFirst(evt, vertical, sortable) {
   var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
-  var sortableContentRect = getContentRect(sortable.el);
+  var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
   var spacer = 10;
-  return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
+  return vertical ? evt.clientX < childContainingRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < childContainingRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
 }
 function _ghostIsLast(evt, vertical, sortable) {
   var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
-  var sortableContentRect = getContentRect(sortable.el);
+  var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
   var spacer = 10;
-  return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
+  return vertical ? evt.clientX > childContainingRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > childContainingRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
 }
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
   var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index eeae29e0a..90c5c0a8d 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.1
+ * Sortable 1.15.2
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.1";
+var version = "1.15.2";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -329,26 +329,6 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
   };
 }
 
-/**
- * Returns the content rect of the element (bounding rect minus border and padding)
- * @param {HTMLElement} el 
- */
-function getContentRect(el) {
-  var rect = getRect(el);
-  var paddingLeft = parseInt(css(el, 'padding-left')),
-    paddingTop = parseInt(css(el, 'padding-top')),
-    paddingRight = parseInt(css(el, 'padding-right')),
-    paddingBottom = parseInt(css(el, 'padding-bottom'));
-  rect.top += paddingTop + parseInt(css(el, 'border-top-width'));
-  rect.left += paddingLeft + parseInt(css(el, 'border-left-width'));
-  // Client Width/Height includes padding only
-  rect.width = el.clientWidth - paddingLeft - paddingRight;
-  rect.height = el.clientHeight - paddingTop - paddingBottom;
-  rect.bottom = rect.top + rect.height;
-  rect.right = rect.left + rect.width;
-  return rect;
-}
-
 /**
  * Checks if a side of an element is scrolled past a side of its parents
  * @param  {HTMLElement}  el           The element who's side being scrolled out of view is in question
@@ -555,6 +535,23 @@ function unsetRect(el) {
   css(el, 'width', '');
   css(el, 'height', '');
 }
+function getChildContainingRectFromElement(container, options, ghostEl) {
+  var rect = {};
+  Array.from(container.children).forEach(function (child) {
+    var _rect$left, _rect$top, _rect$right, _rect$bottom;
+    if (!closest(child, options.draggable, container, false) || child.animated || child === ghostEl) return;
+    var childRect = getRect(child);
+    rect.left = Math.min((_rect$left = rect.left) !== null && _rect$left !== void 0 ? _rect$left : Infinity, childRect.left);
+    rect.top = Math.min((_rect$top = rect.top) !== null && _rect$top !== void 0 ? _rect$top : Infinity, childRect.top);
+    rect.right = Math.max((_rect$right = rect.right) !== null && _rect$right !== void 0 ? _rect$right : -Infinity, childRect.right);
+    rect.bottom = Math.max((_rect$bottom = rect.bottom) !== null && _rect$bottom !== void 0 ? _rect$bottom : -Infinity, childRect.bottom);
+  });
+  rect.width = rect.right - rect.left;
+  rect.height = rect.bottom - rect.top;
+  rect.x = rect.left;
+  rect.y = rect.top;
+  return rect;
+}
 var expando = 'Sortable' + new Date().getTime();
 
 function AnimationStateManager() {
@@ -2247,15 +2244,15 @@ function _unsilent() {
 }
 function _ghostIsFirst(evt, vertical, sortable) {
   var firstElRect = getRect(getChild(sortable.el, 0, sortable.options, true));
-  var sortableContentRect = getContentRect(sortable.el);
+  var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
   var spacer = 10;
-  return vertical ? evt.clientX < sortableContentRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < sortableContentRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
+  return vertical ? evt.clientX < childContainingRect.left - spacer || evt.clientY < firstElRect.top && evt.clientX < firstElRect.right : evt.clientY < childContainingRect.top - spacer || evt.clientY < firstElRect.bottom && evt.clientX < firstElRect.left;
 }
 function _ghostIsLast(evt, vertical, sortable) {
   var lastElRect = getRect(lastChild(sortable.el, sortable.options.draggable));
-  var sortableContentRect = getContentRect(sortable.el);
+  var childContainingRect = getChildContainingRectFromElement(sortable.el, sortable.options, ghostEl);
   var spacer = 10;
-  return vertical ? evt.clientX > sortableContentRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > sortableContentRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
+  return vertical ? evt.clientX > childContainingRect.right + spacer || evt.clientY > lastElRect.bottom && evt.clientX > lastElRect.left : evt.clientY > childContainingRect.bottom + spacer || evt.clientX > lastElRect.right && evt.clientY > lastElRect.top;
 }
 function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
   var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
diff --git a/package.json b/package.json
index e964b44c3..fe657dfea 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.15.1",
+	"version": "1.15.2",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 7f0a4637eab4db9a1589e299212de9c037f0165b Mon Sep 17 00:00:00 2001
From: Matt Driscoll <mdriscoll@esri.com>
Date: Wed, 14 Feb 2024 11:01:53 -0800
Subject: [PATCH 75/94] fix: set the target as the host element when target
 contains a shadowRoot. #2346

---
 src/Sortable.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Sortable.js b/src/Sortable.js
index 74045d4f4..e091810fb 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -755,6 +755,10 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 
 			while (target && target.shadowRoot) {
 				target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
+				const host = target.getRootNode().host;
+				if (host) {
+					target = host;
+				}
 				if (target === parent) break;
 				parent = target;
 			}

From 41ff81f4aa3bc0d71c6f90a5b8972d016abbe1d7 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Sun, 17 Mar 2024 11:49:23 +0000
Subject: [PATCH 76/94] export expando with utils + include src with npm
 package

---
 README.md       | 5 +++--
 package.json    | 3 ++-
 src/Sortable.js | 3 ++-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 9feb83e38..c95740711 100644
--- a/README.md
+++ b/README.md
@@ -739,8 +739,9 @@ Mounts a plugin to Sortable.
 * clone(el`:HTMLElement`)`:HTMLElement` — create a deep copy of the set of matched elements
 * toggleClass(el`:HTMLElement`, name`:String`, state`:Boolean`) — add or remove one classes from each element
 * detectDirection(el`:HTMLElement`)`:String` — automatically detect the [direction](https://github.com/SortableJS/Sortable/wiki/Swap-Thresholds-and-Direction#direction) of the element as either `'vertical'` or `'horizontal'`
-
-
+* index(el`:HTMLElement`, selector`:String`)`:Number` — index of the element within its parent for a selected set of elements
+* getChild(el`:HTMLElement`, childNum`:Number`, options`:Object`, includeDragEl`:Boolean`):`HTMLElement` — get the draggable element at a given index of draggable elements within a Sortable instance
+* expando`:String` — expando property name for internal use, sortableListElement[expando] returns the Sortable instance of that elemenet
 ---
 
 
diff --git a/package.json b/package.json
index fe657dfea..2685b9f94 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,8 @@
 	"files": [
 		"Sortable.js",
 		"Sortable.min.js",
-		"modular/"
+		"modular/",
+		"src/"
 	],
 	"keywords": [
 		"sortable",
diff --git a/src/Sortable.js b/src/Sortable.js
index 74045d4f4..5e6018f5c 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1960,7 +1960,8 @@ Sortable.utils = {
 	nextTick: _nextTick,
 	cancelNextTick: _cancelNextTick,
 	detectDirection: _detectDirection,
-	getChild
+	getChild,
+	expando
 };
 
 

From 1e9ad0d56a9a88d75cad4872eb0b5e87ec56ec44 Mon Sep 17 00:00:00 2001
From: Matt Driscoll <mdriscoll@esri.com>
Date: Mon, 18 Mar 2024 11:16:30 -0700
Subject: [PATCH 77/94] review fixes

uses getParentOrHost utility and moves logic to appropriate place
---
 src/Sortable.js | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index e091810fb..823d88b32 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -35,7 +35,8 @@ import {
 	scrollBy,
 	clone,
 	expando,
-	getChildContainingRectFromElement
+	getChildContainingRectFromElement,
+	getParentOrHost,
 } from './utils.js';
 
 
@@ -755,10 +756,6 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 
 			while (target && target.shadowRoot) {
 				target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
-				const host = target.getRootNode().host;
-				if (host) {
-					target = host;
-				}
 				if (target === parent) break;
 				parent = target;
 			}
@@ -785,7 +782,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 					target = parent; // store last element
 				}
 				/* jshint boss:true */
-				while (parent = parent.parentNode);
+				while (parent = getParentOrHost(parent));
 			}
 
 			_unhideGhostForTarget();

From 9fab4b9230d0456601078b271cd9a0b7f0de7fac Mon Sep 17 00:00:00 2001
From: Matt Driscoll <mdriscoll@esri.com>
Date: Mon, 18 Mar 2024 11:18:04 -0700
Subject: [PATCH 78/94] remove trailing comma for consistency

---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 823d88b32..3c85a0e5c 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -36,7 +36,7 @@ import {
 	clone,
 	expando,
 	getChildContainingRectFromElement,
-	getParentOrHost,
+	getParentOrHost
 } from './utils.js';
 
 

From 2be88e38d0d421b2854dff9b381b6d9d9de5d051 Mon Sep 17 00:00:00 2001
From: daft <sam@daftspunk.com>
Date: Tue, 30 Apr 2024 13:12:41 +1000
Subject: [PATCH 79/94] Fixes scope bleed on saved input checkboxes

---
 src/Sortable.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 81ff84494..efdba2bb2 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1539,7 +1539,9 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		Sortable.active = null;
 
 		savedInputChecked.forEach(function (el) {
-			el.checked = true;
+			if (this.el.contains(el)) {
+			        el.checked = true;
+			}
 		});
 
 		savedInputChecked.length =

From 0a88f9a1ebb67a6f15ea17e6871c19fd53c84815 Mon Sep 17 00:00:00 2001
From: daft <sam@daftspunk.com>
Date: Tue, 30 Apr 2024 13:37:29 +1000
Subject: [PATCH 80/94] Syntax error from testing in ES6

---
 src/Sortable.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index efdba2bb2..b6532a5b5 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -1538,9 +1538,10 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		Sortable.clone =
 		Sortable.active = null;
 
-		savedInputChecked.forEach(function (el) {
-			if (this.el.contains(el)) {
-			        el.checked = true;
+		let el = this.el;
+		savedInputChecked.forEach(function (checkEl) {
+			if (el.contains(checkEl)) {
+				checkEl.checked = true;
 			}
 		});
 

From dcb8f9e85b972292db1e0cab2ff9d7cd359ff352 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Sun, 1 Sep 2024 23:52:20 +0100
Subject: [PATCH 81/94] 1.15.3

---
 Sortable.js                      | 9 +++++----
 Sortable.min.js                  | 4 ++--
 modular/sortable.complete.esm.js | 9 +++++----
 modular/sortable.core.esm.js     | 9 +++++----
 modular/sortable.esm.js          | 9 +++++----
 package.json                     | 2 +-
 6 files changed, 23 insertions(+), 19 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index 3af939cf1..89cede7c1 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.2
+ * Sortable 1.15.3
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -134,7 +134,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.15.2";
+  var version = "1.15.3";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -1467,7 +1467,7 @@
             }
             target = parent; // store last element
           }
-          /* jshint boss:true */ while (parent = parent.parentNode);
+          /* jshint boss:true */ while (parent = getParentOrHost(parent));
         }
         _unhideGhostForTarget();
       }
@@ -2373,7 +2373,8 @@
     nextTick: _nextTick,
     cancelNextTick: _cancelNextTick,
     detectDirection: _detectDirection,
-    getChild: getChild
+    getChild: getChild,
+    expando: expando
   };
 
   /**
diff --git a/Sortable.min.js b/Sortable.min.js
index bb9953355..abe4ddbff 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.15.2 - MIT | git://github.com/SortableJS/Sortable.git */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Sortable=e()}(this,function(){"use strict";function e(e,t){var n,o=Object.keys(e);return Object.getOwnPropertySymbols&&(n=Object.getOwnPropertySymbols(e),t&&(n=n.filter(function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable})),o.push.apply(o,n)),o}function I(o){for(var t=1;t<arguments.length;t++){var i=null!=arguments[t]?arguments[t]:{};t%2?e(Object(i),!0).forEach(function(t){var e,n;e=o,t=i[n=t],n in e?Object.defineProperty(e,n,{value:t,enumerable:!0,configurable:!0,writable:!0}):e[n]=t}):Object.getOwnPropertyDescriptors?Object.defineProperties(o,Object.getOwnPropertyDescriptors(i)):e(Object(i)).forEach(function(t){Object.defineProperty(o,t,Object.getOwnPropertyDescriptor(i,t))})}return o}function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function a(){return(a=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n,o=arguments[e];for(n in o)Object.prototype.hasOwnProperty.call(o,n)&&(t[n]=o[n])}return t}).apply(this,arguments)}function i(t,e){if(null==t)return{};var n,o=function(t,e){if(null==t)return{};for(var n,o={},i=Object.keys(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||(o[n]=t[n]);return o}(t,e);if(Object.getOwnPropertySymbols)for(var i=Object.getOwnPropertySymbols(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||Object.prototype.propertyIsEnumerable.call(t,n)&&(o[n]=t[n]);return o}function r(t){return function(t){if(Array.isArray(t))return l(t)}(t)||function(t){if("undefined"!=typeof Symbol&&null!=t[Symbol.iterator]||null!=t["@@iterator"])return Array.from(t)}(t)||function(t,e){if(t){if("string"==typeof t)return l(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Map"===(n="Object"===n&&t.constructor?t.constructor.name:n)||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?l(t,e):void 0}}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function l(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,o=new Array(e);n<e;n++)o[n]=t[n];return o}function t(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var y=t(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),w=t(/Edge/i),s=t(/firefox/i),u=t(/safari/i)&&!t(/chrome/i)&&!t(/android/i),n=t(/iP(ad|od|hone)/i),c=t(/chrome/i)&&t(/android/i),d={capture:!1,passive:!1};function h(t,e,n){t.addEventListener(e,n,!y&&d)}function f(t,e,n){t.removeEventListener(e,n,!y&&d)}function p(t,e){if(e&&(">"===e[0]&&(e=e.substring(1)),t))try{if(t.matches)return t.matches(e);if(t.msMatchesSelector)return t.msMatchesSelector(e);if(t.webkitMatchesSelector)return t.webkitMatchesSelector(e)}catch(t){return}}function P(t,e,n,o){if(t){n=n||document;do{if(null!=e&&(">"!==e[0]||t.parentNode===n)&&p(t,e)||o&&t===n)return t}while(t!==n&&(t=(i=t).host&&i!==document&&i.host.nodeType?i.host:i.parentNode))}var i;return null}var g,m=/\s+/g;function k(t,e,n){var o;t&&e&&(t.classList?t.classList[n?"add":"remove"](e):(o=(" "+t.className+" ").replace(m," ").replace(" "+e+" "," "),t.className=(o+(n?" 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t=this.el.ownerDocument;f(t,"mouseup",this._onDrop),f(t,"touchend",this._onDrop),f(t,"pointerup",this._onDrop),f(t,"touchcancel",this._onDrop),f(document,"selectstart",this)},_onDrop:function(t){var 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t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=W.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&kt(n)},destroy:function(){G("destroy",this);var 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e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=B(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:c},a(oe,{pluginName:"revertOnSpill"}),ie.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:c},a(ie,{pluginName:"removeOnSpill"});var re,ae,le,se,ce,ue=[],de=[],he=!1,fe=!1,pe=!1;function ge(n,o){de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function me(){ue.forEach(function(t){t!==le&&t.parentNode&&t.parentNode.removeChild(t)})}return Ft.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof 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n=0;n<ue.length;n++)de.push(_(ue[n])),de[n].sortableIndex=ue[n].sortableIndex,de[n].draggable=!1,de[n].style["will-change"]="",k(de[n],this.options.selectedClass,!1),ue[n]===le&&k(de[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||ue.length&&ae===e&&(ge(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(ge(!1,n),de.forEach(function(t){R(t,"display","")}),e(),ce=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(de.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ce=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&ae&&ae.multiDrag._deselectMultiDrag(),ue.forEach(function(t){t.sortableIndex=j(t)}),ue=ue.sort(function(t,e){return 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e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),he=!1,t.animation&&1<ue.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(le,!1,!0,!0),ue.forEach(function(t){t!==le&&(C(t,e),a.appendChild(t))}),fe=!0),o||(fe||me(),1<ue.length?(o=ce,r._showClone(n),r.options.animation&&!ce&&o&&de.forEach(function(t){r.addAnimationState({target:t,rect:se}),t.fromRect=se,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;ue.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(se=a({},e),e=v(le,!0),se.top-=e.f,se.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,me())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,f=o.children;if(!pe)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(le,h.selectedClass,!~ue.indexOf(le)),~ue.indexOf(le))ue.splice(ue.indexOf(le),1),re=null,z({sortable:i,rootEl:n,name:"deselect",targetEl:le,originalEvent:e});else{if(ue.push(le),z({sortable:i,rootEl:n,name:"select",targetEl:le,originalEvent:e}),e.shiftKey&&re&&i.el.contains(re)){var p=j(re),t=j(le);if(~p&&~t&&p!==t)for(var g,m=p<t?(g=p,t):(g=t,p+1);g<m;g++)~ue.indexOf(f[g])||(k(f[g],h.selectedClass,!0),ue.push(f[g]),z({sortable:i,rootEl:n,name:"select",targetEl:f[g],originalEvent:e}))}else re=le;ae=s}pe&&this.isMultiDrag&&(fe=!1,(o[K].options.sort||o!==n)&&1<ue.length&&(c=X(le),u=j(le,":not(."+this.options.selectedClass+")"),!he&&h.animation&&(le.thisAnimationDuration=null),s.captureAnimationState(),he||(h.animation&&(le.fromRect=c,ue.forEach(function(t){var 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t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=z.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Rt(n)},destroy:function(){U("destroy",this);var t=this.el;t[K]=null,f(t,"mousedown",this._onTapStart),f(t,"touchstart",this._onTapStart),f(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(f(t,"dragover",this),f(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),this._disableDelayedDragEvents(),St.splice(St.indexOf(this.el),1),this.el=t=null},_hideClone:function(){ot||(U("hideClone",this),jt.eventCanceled||(R(nt,"display","none"),this.options.removeCloneOnHide&&nt.parentNode&&nt.parentNode.removeChild(nt),ot=!0))},_showClone:function(t){"clone"===t.lastPutMode?ot&&(U("showClone",this),jt.eventCanceled||(Z.parentNode!=J||this.options.group.revertClone?tt?J.insertBefore(nt,tt):J.appendChild(nt):J.insertBefore(nt,Z),this.options.group.revertClone&&this.animate(Z,nt),R(nt,"display",""),ot=!1)):this._hideClone()}},Mt&&h(document,"touchmove",function(t){(jt.active||Et)&&t.cancelable&&t.preventDefault()}),jt.utils={on:h,off:f,css:R,find:E,is:function(t,e){return!!P(t,e,t,!1)},extend:function(t,e){if(t&&e)for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t},throttle:_,closest:P,toggleClass:k,clone:C,index:j,nextTick:Wt,cancelNextTick:zt,detectDirection:kt,getChild:B,expando:K},jt.get=function(t){return t[K]},jt.mount=function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];(e=e[0].constructor===Array?e[0]:e).forEach(function(t){if(!t.prototype||!t.prototype.constructor)throw"Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(t));t.utils&&(jt.utils=I(I({},jt.utils),t.utils)),z.mount(t)})},jt.create=function(t,e){return new jt(t,e)};var Gt,Ut,qt,Vt,Zt,$t,Qt=[],Jt=!(jt.version="1.15.3");function te(){Qt.forEach(function(t){clearInterval(t.pid)}),Qt=[]}function ee(){clearInterval($t)}var ne,oe=_(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=O(),u=!1;Ut!==e&&(Ut=e,te(),Gt=t.scroll,i=t.scrollFn,!0===Gt&&(Gt=M(e,!0)));var d=0,h=Gt;do{var f=h,p=X(f),g=p.top,m=p.bottom,v=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 0,S=f.scrollWidth,_=f.scrollHeight,C=R(f),T=f.scrollLeft,p=f.scrollTop,D=f===c?(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY)),T=E&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(v-r)<=l&&!!T),p=D&&(Math.abs(m-a)<=l&&p+w<_)-(Math.abs(g-a)<=l&&!!p);if(!Qt[d])for(var x=0;x<=d;x++)Qt[x]||(Qt[x]={});Qt[d].vx==T&&Qt[d].vy==p&&Qt[d].el===f||(Qt[d].el=f,Qt[d].vx=T,Qt[d].vy=p,clearInterval(Qt[d].pid),0==T&&0==p||(u=!0,Qt[d].pid=setInterval(function(){o&&0===this.layer&&jt.active._onTouchMove(Zt);var t=Qt[this.layer].vy?Qt[this.layer].vy*s:0,e=Qt[this.layer].vx?Qt[this.layer].vx*s:0;"function"==typeof i&&"continue"!==i.call(jt.dragged.parentNode[K],e,t,n,Zt,Qt[this.layer].el)||H(Qt[this.layer].el,e,t)}.bind({layer:d}),24))),d++}while(t.bubbleScroll&&h!==c&&(h=M(h,!1)));Jt=u}},30),c=function(t){var e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,t=t.unhideGhostForTarget;e&&(i=n||i,a(),e=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,e=document.elementFromPoint(e.clientX,e.clientY),t(),i&&!i.el.contains(e)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n})))};function ie(){}function re(){}ie.prototype={startIndex:null,dragStart:function(t){t=t.oldDraggableIndex;this.startIndex=t},onSpill:function(t){var e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=B(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:c},a(ie,{pluginName:"revertOnSpill"}),re.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:c},a(re,{pluginName:"removeOnSpill"});var ae,le,se,ce,ue,de=[],he=[],fe=!1,pe=!1,ge=!1;function me(n,o){he.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function ve(){de.forEach(function(t){t!==se&&t.parentNode&&t.parentNode.removeChild(t)})}return jt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){t=t.originalEvent;this.sortable.nativeDraggable?h(document,"dragover",this._handleAutoScroll):this.options.supportPointer?h(document,"pointermove",this._handleFallbackAutoScroll):t.touches?h(document,"touchmove",this._handleFallbackAutoScroll):h(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){t=t.originalEvent;this.options.dragOverBubble||t.rootEl||this._handleAutoScroll(t)},drop:function(){this.sortable.nativeDraggable?f(document,"dragover",this._handleAutoScroll):(f(document,"pointermove",this._handleFallbackAutoScroll),f(document,"touchmove",this._handleFallbackAutoScroll),f(document,"mousemove",this._handleFallbackAutoScroll)),ee(),te(),clearTimeout(m),m=void 0},nulling:function(){Zt=Ut=Gt=Jt=$t=qt=Vt=null,Qt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);Zt=e,n||this.options.forceAutoScrollFallback||w||y||u?(oe(e,this.options,t,n),o=M(t,!0),!Jt||$t&&r===qt&&a===Vt||($t&&ee(),$t=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,te()),oe(e,i.options,t,n)},10),qt=r,Vt=a)):this.options.bubbleScroll&&M(t,!0)!==O()?oe(e,this.options,M(t,!1),!1):te()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),jt.mount(re,ie),jt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;ne=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=ne,ne=!1!==o(n)?(k(n,i.swapClass,!0),n):null,t&&t!==ne&&k(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ne&&k(ne,l.swapClass,!1),ne&&(l.swap||i&&i.options.swap)&&r!==ne&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ne,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ne=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ne}}})}),jt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";de.length&&le===o?de.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;se=t},delayEnded:function(){this.isMultiDrag=~de.indexOf(se)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ge=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(de.forEach(function(t){t!==se&&R(t,"position","absolute")}),e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&T(t,e)}),fe=pe=!0)),t.animateAll(function(){fe=pe=!1,n.options.animation&&de.forEach(function(t){x(t)}),n.options.sort&&ve()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;pe&&~de.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<de.length&&(de.forEach(function(t){r.addAnimationState({target:t,rect:pe?X(t):a}),x(t),t.fromRect=a,e.removeAnimationState(t)}),pe=!1,n=!this.options.removeCloneOnHide,o=i,de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),fe=!1,t.animation&&1<de.length&&(pe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),pe=!0),o||(pe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){pe&&(pe=!1,ve())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,f=o.children;if(!ge)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,h.selectedClass,!~de.indexOf(se)),~de.indexOf(se))de.splice(de.indexOf(se),1),ae=null,G({sortable:i,rootEl:n,name:"deselect",targetEl:se,originalEvent:e});else{if(de.push(se),G({sortable:i,rootEl:n,name:"select",targetEl:se,originalEvent:e}),e.shiftKey&&ae&&i.el.contains(ae)){var p=j(ae),t=j(se);if(~p&&~t&&p!==t)for(var g,m=p<t?(g=p,t):(g=t,p+1);g<m;g++)~de.indexOf(f[g])||(k(f[g],h.selectedClass,!0),de.push(f[g]),G({sortable:i,rootEl:n,name:"select",targetEl:f[g],originalEvent:e}))}else ae=se;le=s}ge&&this.isMultiDrag&&(pe=!1,(o[K].options.sort||o!==n)&&1<de.length&&(c=X(se),u=j(se,":not(."+this.options.selectedClass+")"),!fe&&h.animation&&(se.thisAnimationDuration=null),s.captureAnimationState(),fe||(h.animation&&(se.fromRect=c,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=pe?X(t):c,t.fromRect=e,s.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){f[u]?o.insertBefore(t,f[u]):o.appendChild(t),u++}),a===j(se)&&(d=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(d=!0)}),d&&(r("update"),r("sort")))),de.forEach(function(t){x(t)}),s.animateAll()),le=s),(n===o||l&&"clone"!==l.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),f(document,"pointerup",this._deselectMultiDrag),f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=pe&&t!==se?-1:pe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 6d8ed58b9..3b73c468e 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.2
+ * Sortable 1.15.3
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.2";
+var version = "1.15.3";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1461,7 +1461,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
           }
           target = parent; // store last element
         }
-        /* jshint boss:true */ while (parent = parent.parentNode);
+        /* jshint boss:true */ while (parent = getParentOrHost(parent));
       }
       _unhideGhostForTarget();
     }
@@ -2367,7 +2367,8 @@ Sortable.utils = {
   nextTick: _nextTick,
   cancelNextTick: _cancelNextTick,
   detectDirection: _detectDirection,
-  getChild: getChild
+  getChild: getChild,
+  expando: expando
 };
 
 /**
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 93ba17509..8b5e49b01 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.2
+ * Sortable 1.15.3
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.2";
+var version = "1.15.3";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1461,7 +1461,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
           }
           target = parent; // store last element
         }
-        /* jshint boss:true */ while (parent = parent.parentNode);
+        /* jshint boss:true */ while (parent = getParentOrHost(parent));
       }
       _unhideGhostForTarget();
     }
@@ -2367,7 +2367,8 @@ Sortable.utils = {
   nextTick: _nextTick,
   cancelNextTick: _cancelNextTick,
   detectDirection: _detectDirection,
-  getChild: getChild
+  getChild: getChild,
+  expando: expando
 };
 
 /**
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 90c5c0a8d..a06d969cf 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.2
+ * Sortable 1.15.3
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.2";
+var version = "1.15.3";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1461,7 +1461,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
           }
           target = parent; // store last element
         }
-        /* jshint boss:true */ while (parent = parent.parentNode);
+        /* jshint boss:true */ while (parent = getParentOrHost(parent));
       }
       _unhideGhostForTarget();
     }
@@ -2367,7 +2367,8 @@ Sortable.utils = {
   nextTick: _nextTick,
   cancelNextTick: _cancelNextTick,
   detectDirection: _detectDirection,
-  getChild: getChild
+  getChild: getChild,
+  expando: expando
 };
 
 /**
diff --git a/package.json b/package.json
index 2685b9f94..71fbed6fa 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.15.2",
+	"version": "1.15.3",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From f7a645c6f2a50d3303074bd4170e7ff7da7cf6b3 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Fri, 22 Nov 2024 19:44:32 +0000
Subject: [PATCH 82/94] fix text selection during fallback drag + improve
 pointer event support

---
 src/Sortable.js | 43 ++++++++++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 15 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 81ff84494..5b6a9e07f 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -519,7 +519,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 					fromEl: el
 				});
 				pluginEvent('filter', _this, { evt });
-				preventOnFilter && evt.cancelable && evt.preventDefault();
+				preventOnFilter && evt.preventDefault();
 				return; // cancel dnd
 			}
 		}
@@ -542,7 +542,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			});
 
 			if (filter) {
-				preventOnFilter && evt.cancelable && evt.preventDefault();
+				preventOnFilter && evt.preventDefault();
 				return; // cancel dnd
 			}
 		}
@@ -624,9 +624,15 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 			on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
 			on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
 
-			on(ownerDocument, 'mouseup', _this._onDrop);
-			on(ownerDocument, 'touchend', _this._onDrop);
-			on(ownerDocument, 'touchcancel', _this._onDrop);
+			if (options.supportPointer) {
+				on(ownerDocument, 'pointerup', _this._onDrop);
+				// Native D&D triggers pointercancel
+				!this.nativeDraggable && on(ownerDocument, 'pointercancel', _this._onDrop);
+			} else {
+				on(ownerDocument, 'mouseup', _this._onDrop);
+				on(ownerDocument, 'touchend', _this._onDrop);
+				on(ownerDocument, 'touchcancel', _this._onDrop);
+			}
 
 			// Make dragEl draggable (must be before delay for FireFox)
 			if (FireFox && this.nativeDraggable) {
@@ -645,9 +651,14 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 				// If the user moves the pointer or let go the click or touch
 				// before the delay has been reached:
 				// disable the delayed drag
-				on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
-				on(ownerDocument, 'touchend', _this._disableDelayedDrag);
-				on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+				if (options.supportPointer) {
+					on(ownerDocument, 'pointerup', _this._disableDelayedDrag);
+					on(ownerDocument, 'pointercancel', _this._disableDelayedDrag);
+				} else {
+					on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
+					on(ownerDocument, 'touchend', _this._disableDelayedDrag);
+					on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+				}
 				on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
 				on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
 				options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
@@ -680,6 +691,8 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		off(ownerDocument, 'mouseup', this._disableDelayedDrag);
 		off(ownerDocument, 'touchend', this._disableDelayedDrag);
 		off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
+		off(ownerDocument, 'pointerup', this._disableDelayedDrag);
+		off(ownerDocument, 'pointercancel', this._disableDelayedDrag);
 		off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
 		off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
 		off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
@@ -702,14 +715,13 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		}
 
 		try {
-			if (document.selection) {
-				// Timeout neccessary for IE9
-				_nextTick(function () {
+			_nextTick(function () {
+				if (document.selection) {
 					document.selection.empty();
-				});
-			} else {
-				window.getSelection().removeAllRanges();
-			}
+				} else {
+					window.getSelection().removeAllRanges();
+				}
+			});
 		} catch (err) {
 		}
 	},
@@ -1333,6 +1345,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		off(ownerDocument, 'mouseup', this._onDrop);
 		off(ownerDocument, 'touchend', this._onDrop);
 		off(ownerDocument, 'pointerup', this._onDrop);
+		off(ownerDocument, 'pointercancel', this._onDrop);
 		off(ownerDocument, 'touchcancel', this._onDrop);
 		off(document, 'selectstart', this);
 	},

From afb71dcb96a321f1fbd8cb485773f76348a62109 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Fri, 22 Nov 2024 19:49:09 +0000
Subject: [PATCH 83/94] npm audit fix

---
 package-lock.json | 124 ++++++++++++++++++++++++----------------------
 1 file changed, 65 insertions(+), 59 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 0deaf3742..94674ebc9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "sortablejs",
-	"version": "1.15.1",
+	"version": "1.15.3",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "sortablejs",
-			"version": "1.15.1",
+			"version": "1.15.3",
 			"license": "MIT",
 			"devDependencies": {
 				"@babel/core": "^7.4.4",
@@ -2473,12 +2473,12 @@
 			}
 		},
 		"node_modules/braces": {
-			"version": "3.0.2",
-			"resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
-			"integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+			"version": "3.0.3",
+			"resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+			"integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
 			"dev": true,
 			"dependencies": {
-				"fill-range": "^7.0.1"
+				"fill-range": "^7.1.1"
 			},
 			"engines": {
 				"node": ">=8"
@@ -2906,9 +2906,9 @@
 			}
 		},
 		"node_modules/cross-spawn": {
-			"version": "7.0.3",
-			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
-			"integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+			"version": "7.0.6",
+			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+			"integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
 			"dev": true,
 			"dependencies": {
 				"path-key": "^3.1.0",
@@ -3396,9 +3396,9 @@
 			}
 		},
 		"node_modules/fill-range": {
-			"version": "7.0.1",
-			"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
-			"integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
+			"version": "7.1.1",
+			"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+			"integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
 			"dev": true,
 			"dependencies": {
 				"to-regex-range": "^5.0.1"
@@ -3408,12 +3408,12 @@
 			}
 		},
 		"node_modules/find-babel-config": {
-			"version": "1.2.0",
-			"resolved": "https://registry.npmjs.org/find-babel-config/-/find-babel-config-1.2.0.tgz",
-			"integrity": "sha512-jB2CHJeqy6a820ssiqwrKMeyC6nNdmrcgkKWJWmpoxpE8RKciYJXCcXRq1h2AzCo5I5BJeN2tkGEO3hLTuePRA==",
+			"version": "1.2.2",
+			"resolved": "https://registry.npmjs.org/find-babel-config/-/find-babel-config-1.2.2.tgz",
+			"integrity": "sha512-oK59njMyw2y3yxto1BCfVK7MQp/OYf4FleHu0RgosH3riFJ1aOuo/7naLDLAObfrgn3ueFhw5sAT/cp0QuJI3Q==",
 			"dev": true,
 			"dependencies": {
-				"json5": "^0.5.1",
+				"json5": "^1.0.2",
 				"path-exists": "^3.0.0"
 			},
 			"engines": {
@@ -3421,10 +3421,13 @@
 			}
 		},
 		"node_modules/find-babel-config/node_modules/json5": {
-			"version": "0.5.1",
-			"resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
-			"integrity": "sha512-4xrs1aW+6N5DalkqSVA8fxh458CXvR99WU8WLKmq4v8eWAL86Xo3BVqyd3SkA9wEVjCMqyvvRRkshAdOnBp5rw==",
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+			"integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
 			"dev": true,
+			"dependencies": {
+				"minimist": "^1.2.0"
+			},
 			"bin": {
 				"json5": "lib/cli.js"
 			}
@@ -3965,9 +3968,9 @@
 			}
 		},
 		"node_modules/ip": {
-			"version": "1.1.5",
-			"resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
-			"integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=",
+			"version": "1.1.9",
+			"resolved": "https://registry.npmjs.org/ip/-/ip-1.1.9.tgz",
+			"integrity": "sha512-cyRxvOEpNHNtchU3Ln9KC/auJgup87llfQpQ+t5ghoC/UhL16SWzbueiCsdTnWmqAWl7LadfuwhlqmtOaqMHdQ==",
 			"dev": true
 		},
 		"node_modules/is-ci": {
@@ -4553,13 +4556,13 @@
 			}
 		},
 		"node_modules/micromatch": {
-			"version": "4.0.4",
-			"resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.4.tgz",
-			"integrity": "sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==",
+			"version": "4.0.8",
+			"resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+			"integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
 			"dev": true,
 			"dependencies": {
-				"braces": "^3.0.1",
-				"picomatch": "^2.2.3"
+				"braces": "^3.0.3",
+				"picomatch": "^2.3.1"
 			},
 			"engines": {
 				"node": ">=8.6"
@@ -6926,9 +6929,9 @@
 			"dev": true
 		},
 		"node_modules/ws": {
-			"version": "7.5.7",
-			"resolved": "https://registry.npmjs.org/ws/-/ws-7.5.7.tgz",
-			"integrity": "sha512-KMvVuFzpKBuiIXW3E4u3mySRO2/mCHSyZDJQM5NQ9Q9KHWHWh0NHgfbRMLLrceUK5qAL4ytALJbpRMjixFZh8A==",
+			"version": "7.5.10",
+			"resolved": "https://registry.npmjs.org/ws/-/ws-7.5.10.tgz",
+			"integrity": "sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==",
 			"dev": true,
 			"engines": {
 				"node": ">=8.3.0"
@@ -8741,12 +8744,12 @@
 			}
 		},
 		"braces": {
-			"version": "3.0.2",
-			"resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
-			"integrity": "sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==",
+			"version": "3.0.3",
+			"resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+			"integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
 			"dev": true,
 			"requires": {
-				"fill-range": "^7.0.1"
+				"fill-range": "^7.1.1"
 			}
 		},
 		"browserslist": {
@@ -9066,9 +9069,9 @@
 			}
 		},
 		"cross-spawn": {
-			"version": "7.0.3",
-			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
-			"integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+			"version": "7.0.6",
+			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+			"integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
 			"dev": true,
 			"requires": {
 				"path-key": "^3.1.0",
@@ -9466,29 +9469,32 @@
 			}
 		},
 		"fill-range": {
-			"version": "7.0.1",
-			"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
-			"integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
+			"version": "7.1.1",
+			"resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+			"integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
 			"dev": true,
 			"requires": {
 				"to-regex-range": "^5.0.1"
 			}
 		},
 		"find-babel-config": {
-			"version": "1.2.0",
-			"resolved": "https://registry.npmjs.org/find-babel-config/-/find-babel-config-1.2.0.tgz",
-			"integrity": "sha512-jB2CHJeqy6a820ssiqwrKMeyC6nNdmrcgkKWJWmpoxpE8RKciYJXCcXRq1h2AzCo5I5BJeN2tkGEO3hLTuePRA==",
+			"version": "1.2.2",
+			"resolved": "https://registry.npmjs.org/find-babel-config/-/find-babel-config-1.2.2.tgz",
+			"integrity": "sha512-oK59njMyw2y3yxto1BCfVK7MQp/OYf4FleHu0RgosH3riFJ1aOuo/7naLDLAObfrgn3ueFhw5sAT/cp0QuJI3Q==",
 			"dev": true,
 			"requires": {
-				"json5": "^0.5.1",
+				"json5": "^1.0.2",
 				"path-exists": "^3.0.0"
 			},
 			"dependencies": {
 				"json5": {
-					"version": "0.5.1",
-					"resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
-					"integrity": "sha512-4xrs1aW+6N5DalkqSVA8fxh458CXvR99WU8WLKmq4v8eWAL86Xo3BVqyd3SkA9wEVjCMqyvvRRkshAdOnBp5rw==",
-					"dev": true
+					"version": "1.0.2",
+					"resolved": "https://registry.npmjs.org/json5/-/json5-1.0.2.tgz",
+					"integrity": "sha512-g1MWMLBiz8FKi1e4w0UyVL3w+iJceWAFBAaBnnGKOpNa5f8TLktkbre1+s6oICydWAm+HRUGTmI+//xv2hvXYA==",
+					"dev": true,
+					"requires": {
+						"minimist": "^1.2.0"
+					}
 				}
 			}
 		},
@@ -9905,9 +9911,9 @@
 			"requires": {}
 		},
 		"ip": {
-			"version": "1.1.5",
-			"resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
-			"integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=",
+			"version": "1.1.9",
+			"resolved": "https://registry.npmjs.org/ip/-/ip-1.1.9.tgz",
+			"integrity": "sha512-cyRxvOEpNHNtchU3Ln9KC/auJgup87llfQpQ+t5ghoC/UhL16SWzbueiCsdTnWmqAWl7LadfuwhlqmtOaqMHdQ==",
 			"dev": true
 		},
 		"is-ci": {
@@ -10397,13 +10403,13 @@
 			"dev": true
 		},
 		"micromatch": {
-			"version": "4.0.4",
-			"resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.4.tgz",
-			"integrity": "sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==",
+			"version": "4.0.8",
+			"resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+			"integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
 			"dev": true,
 			"requires": {
-				"braces": "^3.0.1",
-				"picomatch": "^2.2.3"
+				"braces": "^3.0.3",
+				"picomatch": "^2.3.1"
 			}
 		},
 		"mime": {
@@ -12238,9 +12244,9 @@
 			"dev": true
 		},
 		"ws": {
-			"version": "7.5.7",
-			"resolved": "https://registry.npmjs.org/ws/-/ws-7.5.7.tgz",
-			"integrity": "sha512-KMvVuFzpKBuiIXW3E4u3mySRO2/mCHSyZDJQM5NQ9Q9KHWHWh0NHgfbRMLLrceUK5qAL4ytALJbpRMjixFZh8A==",
+			"version": "7.5.10",
+			"resolved": "https://registry.npmjs.org/ws/-/ws-7.5.10.tgz",
+			"integrity": "sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==",
 			"dev": true,
 			"requires": {}
 		},

From 7fd5baf55982617212ec242c7f325b77f414570a Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Sat, 23 Nov 2024 14:54:49 +0000
Subject: [PATCH 84/94] #1897: Prevent multi-select of non-draggable and
 filtered items

---
 plugins/MultiDrag/MultiDrag.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 2845f0d00..672a38aef 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -342,8 +342,19 @@ function MultiDragPlugin() {
 								n = lastIndex + 1;
 							}
 
+							const filter = options.filter;
+
 							for (; i < n; i++) {
 								if (~multiDragElements.indexOf(children[i])) continue;
+								// Check if element is draggable
+								if (!closest(children[i], options.draggable, parentEl, false)) continue;
+								// Check if element is filtered
+								const filtered = filter && (typeof filter === 'function' ?
+									filter.call(sortable, evt, children[i], sortable) :
+									filter.split(',').some((criteria) => {
+										return closest(children[i], criteria.trim(), parentEl, false);
+									}));
+								if (filtered) continue;
 								toggleClass(children[i], options.selectedClass, true);
 								multiDragElements.push(children[i]);
 

From 62f0498ac3585982aa44f4492bbcfcb3e8776a80 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Sat, 23 Nov 2024 20:11:36 +0000
Subject: [PATCH 85/94] 1.15.4

---
 Sortable.js                      | 101 +++++++++++++++++++------------
 Sortable.min.js                  |   4 +-
 modular/sortable.complete.esm.js | 101 +++++++++++++++++++------------
 modular/sortable.core.esm.js     | 101 +++++++++++++++++++------------
 modular/sortable.esm.js          | 101 +++++++++++++++++++------------
 package-lock.json                |   4 +-
 package.json                     |   2 +-
 7 files changed, 253 insertions(+), 161 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index 89cede7c1..d229c3606 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.3
+ * Sortable 1.15.4
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -134,7 +134,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.15.3";
+  var version = "1.15.4";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -1238,7 +1238,7 @@
           pluginEvent('filter', _this, {
             evt: evt
           });
-          preventOnFilter && evt.cancelable && evt.preventDefault();
+          preventOnFilter && evt.preventDefault();
           return; // cancel dnd
         }
       } else if (filter) {
@@ -1260,7 +1260,7 @@
           }
         });
         if (filter) {
-          preventOnFilter && evt.cancelable && evt.preventDefault();
+          preventOnFilter && evt.preventDefault();
           return; // cancel dnd
         }
       }
@@ -1332,9 +1332,15 @@
         on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);
         on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
         on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
-        on(ownerDocument, 'mouseup', _this._onDrop);
-        on(ownerDocument, 'touchend', _this._onDrop);
-        on(ownerDocument, 'touchcancel', _this._onDrop);
+        if (options.supportPointer) {
+          on(ownerDocument, 'pointerup', _this._onDrop);
+          // Native D&D triggers pointercancel
+          !this.nativeDraggable && on(ownerDocument, 'pointercancel', _this._onDrop);
+        } else {
+          on(ownerDocument, 'mouseup', _this._onDrop);
+          on(ownerDocument, 'touchend', _this._onDrop);
+          on(ownerDocument, 'touchcancel', _this._onDrop);
+        }
 
         // Make dragEl draggable (must be before delay for FireFox)
         if (FireFox && this.nativeDraggable) {
@@ -1354,9 +1360,14 @@
           // If the user moves the pointer or let go the click or touch
           // before the delay has been reached:
           // disable the delayed drag
-          on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
-          on(ownerDocument, 'touchend', _this._disableDelayedDrag);
-          on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+          if (options.supportPointer) {
+            on(ownerDocument, 'pointerup', _this._disableDelayedDrag);
+            on(ownerDocument, 'pointercancel', _this._disableDelayedDrag);
+          } else {
+            on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
+            on(ownerDocument, 'touchend', _this._disableDelayedDrag);
+            on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+          }
           on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
           on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
           options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
@@ -1382,6 +1393,8 @@
       off(ownerDocument, 'mouseup', this._disableDelayedDrag);
       off(ownerDocument, 'touchend', this._disableDelayedDrag);
       off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
+      off(ownerDocument, 'pointerup', this._disableDelayedDrag);
+      off(ownerDocument, 'pointercancel', this._disableDelayedDrag);
       off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
       off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
       off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
@@ -1401,14 +1414,13 @@
         on(rootEl, 'dragstart', this._onDragStart);
       }
       try {
-        if (document.selection) {
-          // Timeout neccessary for IE9
-          _nextTick(function () {
+        _nextTick(function () {
+          if (document.selection) {
             document.selection.empty();
-          });
-        } else {
-          window.getSelection().removeAllRanges();
-        }
+          } else {
+            window.getSelection().removeAllRanges();
+          }
+        });
       } catch (err) {}
     },
     _dragStarted: function _dragStarted(fallback, evt) {
@@ -1895,6 +1907,7 @@
       off(ownerDocument, 'mouseup', this._onDrop);
       off(ownerDocument, 'touchend', this._onDrop);
       off(ownerDocument, 'pointerup', this._onDrop);
+      off(ownerDocument, 'pointercancel', this._onDrop);
       off(ownerDocument, 'touchcancel', this._onDrop);
       off(document, 'selectstart', this);
     },
@@ -3085,28 +3098,38 @@
               var lastIndex = index(lastMultiDragSelect),
                 currentIndex = index(dragEl$1);
               if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
-                // Must include lastMultiDragSelect (select it), in case modified selection from no selection
-                // (but previous selection existed)
-                var n, i;
-                if (currentIndex > lastIndex) {
-                  i = lastIndex;
-                  n = currentIndex;
-                } else {
-                  i = currentIndex;
-                  n = lastIndex + 1;
-                }
-                for (; i < n; i++) {
-                  if (~multiDragElements.indexOf(children[i])) continue;
-                  toggleClass(children[i], options.selectedClass, true);
-                  multiDragElements.push(children[i]);
-                  dispatchEvent({
-                    sortable: sortable,
-                    rootEl: rootEl,
-                    name: 'select',
-                    targetEl: children[i],
-                    originalEvent: evt
-                  });
-                }
+                (function () {
+                  // Must include lastMultiDragSelect (select it), in case modified selection from no selection
+                  // (but previous selection existed)
+                  var n, i;
+                  if (currentIndex > lastIndex) {
+                    i = lastIndex;
+                    n = currentIndex;
+                  } else {
+                    i = currentIndex;
+                    n = lastIndex + 1;
+                  }
+                  var filter = options.filter;
+                  for (; i < n; i++) {
+                    if (~multiDragElements.indexOf(children[i])) continue;
+                    // Check if element is draggable
+                    if (!closest(children[i], options.draggable, parentEl, false)) continue;
+                    // Check if element is filtered
+                    var filtered = filter && (typeof filter === 'function' ? filter.call(sortable, evt, children[i], sortable) : filter.split(',').some(function (criteria) {
+                      return closest(children[i], criteria.trim(), parentEl, false);
+                    }));
+                    if (filtered) continue;
+                    toggleClass(children[i], options.selectedClass, true);
+                    multiDragElements.push(children[i]);
+                    dispatchEvent({
+                      sortable: sortable,
+                      rootEl: rootEl,
+                      name: 'select',
+                      targetEl: children[i],
+                      originalEvent: evt
+                    });
+                  }
+                })();
               }
             } else {
               lastMultiDragSelect = dragEl$1;
diff --git a/Sortable.min.js b/Sortable.min.js
index abe4ddbff..575cf2597 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
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t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=z.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Rt(n)},destroy:function(){U("destroy",this);var t=this.el;t[K]=null,f(t,"mousedown",this._onTapStart),f(t,"touchstart",this._onTapStart),f(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(f(t,"dragover",this),f(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),this._disableDelayedDragEvents(),St.splice(St.indexOf(this.el),1),this.el=t=null},_hideClone:function(){ot||(U("hideClone",this),jt.eventCanceled||(R(nt,"display","none"),this.options.removeCloneOnHide&&nt.parentNode&&nt.parentNode.removeChild(nt),ot=!0))},_showClone:function(t){"clone"===t.lastPutMode?ot&&(U("showClone",this),jt.eventCanceled||(Z.parentNode!=J||this.options.group.revertClone?tt?J.insertBefore(nt,tt):J.appendChild(nt):J.insertBefore(nt,Z),this.options.group.revertClone&&this.animate(Z,nt),R(nt,"display",""),ot=!1)):this._hideClone()}},Mt&&h(document,"touchmove",function(t){(jt.active||Et)&&t.cancelable&&t.preventDefault()}),jt.utils={on:h,off:f,css:R,find:E,is:function(t,e){return!!P(t,e,t,!1)},extend:function(t,e){if(t&&e)for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t},throttle:_,closest:P,toggleClass:k,clone:C,index:j,nextTick:Wt,cancelNextTick:zt,detectDirection:kt,getChild:B,expando:K},jt.get=function(t){return t[K]},jt.mount=function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];(e=e[0].constructor===Array?e[0]:e).forEach(function(t){if(!t.prototype||!t.prototype.constructor)throw"Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(t));t.utils&&(jt.utils=I(I({},jt.utils),t.utils)),z.mount(t)})},jt.create=function(t,e){return new jt(t,e)};var Gt,Ut,qt,Vt,Zt,$t,Qt=[],Jt=!(jt.version="1.15.3");function te(){Qt.forEach(function(t){clearInterval(t.pid)}),Qt=[]}function ee(){clearInterval($t)}var ne,oe=_(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=O(),u=!1;Ut!==e&&(Ut=e,te(),Gt=t.scroll,i=t.scrollFn,!0===Gt&&(Gt=M(e,!0)));var d=0,h=Gt;do{var f=h,p=X(f),g=p.top,m=p.bottom,v=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 0,S=f.scrollWidth,_=f.scrollHeight,C=R(f),T=f.scrollLeft,p=f.scrollTop,D=f===c?(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY)),T=E&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(v-r)<=l&&!!T),p=D&&(Math.abs(m-a)<=l&&p+w<_)-(Math.abs(g-a)<=l&&!!p);if(!Qt[d])for(var x=0;x<=d;x++)Qt[x]||(Qt[x]={});Qt[d].vx==T&&Qt[d].vy==p&&Qt[d].el===f||(Qt[d].el=f,Qt[d].vx=T,Qt[d].vy=p,clearInterval(Qt[d].pid),0==T&&0==p||(u=!0,Qt[d].pid=setInterval(function(){o&&0===this.layer&&jt.active._onTouchMove(Zt);var t=Qt[this.layer].vy?Qt[this.layer].vy*s:0,e=Qt[this.layer].vx?Qt[this.layer].vx*s:0;"function"==typeof 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e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=B(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:c},a(ie,{pluginName:"revertOnSpill"}),re.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:c},a(re,{pluginName:"removeOnSpill"});var ae,le,se,ce,ue,de=[],he=[],fe=!1,pe=!1,ge=!1;function me(n,o){he.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function ve(){de.forEach(function(t){t!==se&&t.parentNode&&t.parentNode.removeChild(t)})}return jt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof 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o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);Zt=e,n||this.options.forceAutoScrollFallback||w||y||u?(oe(e,this.options,t,n),o=M(t,!0),!Jt||$t&&r===qt&&a===Vt||($t&&ee(),$t=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,te()),oe(e,i.options,t,n)},10),qt=r,Vt=a)):this.options.bubbleScroll&&M(t,!0)!==O()?oe(e,this.options,M(t,!1),!1):te()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),jt.mount(re,ie),jt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;ne=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=ne,ne=!1!==o(n)?(k(n,i.swapClass,!0),n):null,t&&t!==ne&&k(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ne&&k(ne,l.swapClass,!1),ne&&(l.swap||i&&i.options.swap)&&r!==ne&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ne,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ne=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ne}}})}),jt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";de.length&&le===o?de.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;se=t},delayEnded:function(){this.isMultiDrag=~de.indexOf(se)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ge=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(de.forEach(function(t){t!==se&&R(t,"position","absolute")}),e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&T(t,e)}),fe=pe=!0)),t.animateAll(function(){fe=pe=!1,n.options.animation&&de.forEach(function(t){x(t)}),n.options.sort&&ve()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;pe&&~de.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<de.length&&(de.forEach(function(t){r.addAnimationState({target:t,rect:pe?X(t):a}),x(t),t.fromRect=a,e.removeAnimationState(t)}),pe=!1,n=!this.options.removeCloneOnHide,o=i,de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),fe=!1,t.animation&&1<de.length&&(pe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),pe=!0),o||(pe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){pe&&(pe=!1,ve())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,f=o.children;if(!ge)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,h.selectedClass,!~de.indexOf(se)),~de.indexOf(se))de.splice(de.indexOf(se),1),ae=null,G({sortable:i,rootEl:n,name:"deselect",targetEl:se,originalEvent:e});else{if(de.push(se),G({sortable:i,rootEl:n,name:"select",targetEl:se,originalEvent:e}),e.shiftKey&&ae&&i.el.contains(ae)){var p=j(ae),t=j(se);if(~p&&~t&&p!==t)for(var g,m=p<t?(g=p,t):(g=t,p+1);g<m;g++)~de.indexOf(f[g])||(k(f[g],h.selectedClass,!0),de.push(f[g]),G({sortable:i,rootEl:n,name:"select",targetEl:f[g],originalEvent:e}))}else ae=se;le=s}ge&&this.isMultiDrag&&(pe=!1,(o[K].options.sort||o!==n)&&1<de.length&&(c=X(se),u=j(se,":not(."+this.options.selectedClass+")"),!fe&&h.animation&&(se.thisAnimationDuration=null),s.captureAnimationState(),fe||(h.animation&&(se.fromRect=c,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=pe?X(t):c,t.fromRect=e,s.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){f[u]?o.insertBefore(t,f[u]):o.appendChild(t),u++}),a===j(se)&&(d=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(d=!0)}),d&&(r("update"),r("sort")))),de.forEach(function(t){x(t)}),s.animateAll()),le=s),(n===o||l&&"clone"!==l.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),f(document,"pointerup",this._deselectMultiDrag),f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=pe&&t!==se?-1:pe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});
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e=this.options,n=e.fallbackTolerance,o=e.fallbackOffset,i=t.touches?t.touches[0]:t,r=Q&&b(Q,!0),a=Q&&r&&r.a,l=Q&&r&&r.d,e=At&&wt&&E(wt),a=(i.clientX-ut.clientX+o.x)/(a||1)+(e?e[0]-Tt[0]:0)/(a||1),l=(i.clientY-ut.clientY+o.y)/(l||1)+(e?e[1]-Tt[1]:0)/(l||1);if(!jt.active&&!Dt){if(n&&Math.max(Math.abs(i.clientX-this._lastX),Math.abs(i.clientY-this._lastY))<n)return;this._onDragStart(t,!0)}Q&&(r?(r.e+=a-(ht||0),r.f+=l-(pt||0)):r={a:1,b:0,c:0,d:1,e:a,f:l},r="matrix(".concat(r.a,",").concat(r.b,",").concat(r.c,",").concat(r.d,",").concat(r.e,",").concat(r.f,")"),R(Q,"webkitTransform",r),R(Q,"mozTransform",r),R(Q,"msTransform",r),R(Q,"transform",r),ht=a,pt=l,dt=i),t.cancelable&&t.preventDefault()}},_appendGhost:function(){if(!Q){var 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t=this.el.ownerDocument;p(t,"mouseup",this._onDrop),p(t,"touchend",this._onDrop),p(t,"pointerup",this._onDrop),p(t,"pointercancel",this._onDrop),p(t,"touchcancel",this._onDrop),p(document,"selectstart",this)},_onDrop:function(t){var e=this.el,n=this.options;rt=j(Z),lt=j(Z,n.draggable),U("drop",this,{evt:t}),$=Z&&Z.parentNode,rt=j(Z),lt=j(Z,n.draggable),jt.eventCanceled||(_t=Ct=Dt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),zt(this.cloneId),zt(this._dragStartId),this.nativeDraggable&&(p(document,"drop",this),p(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),u&&R(document.body,"user-select",""),R(Z,"transform",""),t&&(mt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),Q&&Q.parentNode&&Q.parentNode.removeChild(Q),(J===$||ct&&"clone"!==ct.lastPutMode)&&nt&&nt.parentNode&&nt.parentNode.removeChild(nt),Z&&(this.nativeDraggable&&p(Z,"dragend",this),Lt(Z),Z.style["will-change"]="",mt&&!Dt&&k(Z,(ct||this).options.ghostClass,!1),k(Z,this.options.chosenClass,!1),V({sortable:this,name:"unchoose",toEl:$,newIndex:null,newDraggableIndex:null,originalEvent:t}),J!==$?(0<=rt&&(V({rootEl:$,name:"add",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"remove",toEl:$,originalEvent:t}),V({rootEl:$,name:"sort",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),ct&&ct.save()):rt!==it&&0<=rt&&(V({sortable:this,name:"update",toEl:$,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),jt.active&&(null!=rt&&-1!==rt||(rt=it,lt=at),V({sortable:this,name:"end",toEl:$,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){U("nulling",this),J=Z=$=Q=tt=nt=et=ot=ut=dt=mt=rt=lt=it=at=vt=bt=ct=st=jt.dragged=jt.ghost=jt.clone=jt.active=null,Ot.forEach(function(t){t.checked=!0}),Ot.length=ht=pt=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":Z&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=z.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Rt(n)},destroy:function(){U("destroy",this);var 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d=0,h=Gt;do{var p=h,f=X(p),g=f.top,m=f.bottom,v=f.left,b=f.right,y=f.width,w=f.height,D=void 0,E=void 0,S=p.scrollWidth,_=p.scrollHeight,C=R(p),T=p.scrollLeft,f=p.scrollTop,E=p===c?(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY)),T=D&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(v-r)<=l&&!!T),f=E&&(Math.abs(m-a)<=l&&f+w<_)-(Math.abs(g-a)<=l&&!!f);if(!Qt[d])for(var x=0;x<=d;x++)Qt[x]||(Qt[x]={});Qt[d].vx==T&&Qt[d].vy==f&&Qt[d].el===p||(Qt[d].el=p,Qt[d].vx=T,Qt[d].vy=f,clearInterval(Qt[d].pid),0==T&&0==f||(u=!0,Qt[d].pid=setInterval(function(){o&&0===this.layer&&jt.active._onTouchMove(Zt);var t=Qt[this.layer].vy?Qt[this.layer].vy*s:0,e=Qt[this.layer].vx?Qt[this.layer].vx*s:0;"function"==typeof i&&"continue"!==i.call(jt.dragged.parentNode[K],e,t,n,Zt,Qt[this.layer].el)||H(Qt[this.layer].el,e,t)}.bind({layer:d}),24))),d++}while(t.bubbleScroll&&h!==c&&(h=M(h,!1)));Jt=u}},30),c=function(t){var e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,t=t.unhideGhostForTarget;e&&(i=n||i,a(),e=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,e=document.elementFromPoint(e.clientX,e.clientY),t(),i&&!i.el.contains(e)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n})))};function ie(){}function re(){}ie.prototype={startIndex:null,dragStart:function(t){t=t.oldDraggableIndex;this.startIndex=t},onSpill:function(t){var e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=B(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:c},a(ie,{pluginName:"revertOnSpill"}),re.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:c},a(re,{pluginName:"removeOnSpill"});var ae,le,se,ce,ue,de=[],he=[],pe=!1,fe=!1,ge=!1;function me(n,o){he.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function ve(){de.forEach(function(t){t!==se&&t.parentNode&&t.parentNode.removeChild(t)})}return jt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){t=t.originalEvent;this.sortable.nativeDraggable?h(document,"dragover",this._handleAutoScroll):this.options.supportPointer?h(document,"pointermove",this._handleFallbackAutoScroll):t.touches?h(document,"touchmove",this._handleFallbackAutoScroll):h(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){t=t.originalEvent;this.options.dragOverBubble||t.rootEl||this._handleAutoScroll(t)},drop:function(){this.sortable.nativeDraggable?p(document,"dragover",this._handleAutoScroll):(p(document,"pointermove",this._handleFallbackAutoScroll),p(document,"touchmove",this._handleFallbackAutoScroll),p(document,"mousemove",this._handleFallbackAutoScroll)),ee(),te(),clearTimeout(m),m=void 0},nulling:function(){Zt=Ut=Gt=Jt=$t=qt=Vt=null,Qt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);Zt=e,n||this.options.forceAutoScrollFallback||w||y||u?(oe(e,this.options,t,n),o=M(t,!0),!Jt||$t&&r===qt&&a===Vt||($t&&ee(),$t=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,te()),oe(e,i.options,t,n)},10),qt=r,Vt=a)):this.options.bubbleScroll&&M(t,!0)!==O()?oe(e,this.options,M(t,!1),!1):te()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),jt.mount(re,ie),jt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;ne=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=ne,ne=!1!==o(n)?(k(n,i.swapClass,!0),n):null,t&&t!==ne&&k(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ne&&k(ne,l.swapClass,!1),ne&&(l.swap||i&&i.options.swap)&&r!==ne&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ne,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ne=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ne}}})}),jt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";de.length&&le===o?de.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;se=t},delayEnded:function(){this.isMultiDrag=~de.indexOf(se)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ge=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(de.forEach(function(t){t!==se&&R(t,"position","absolute")}),e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&T(t,e)}),pe=fe=!0)),t.animateAll(function(){pe=fe=!1,n.options.animation&&de.forEach(function(t){x(t)}),n.options.sort&&ve()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;fe&&~de.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<de.length&&(de.forEach(function(t){r.addAnimationState({target:t,rect:fe?X(t):a}),x(t),t.fromRect=a,e.removeAnimationState(t)}),fe=!1,n=!this.options.removeCloneOnHide,o=i,de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),pe=!1,t.animation&&1<de.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),fe=!0),o||(fe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,ve())},drop:function(t){var o,i,r,a,n,e,l,s=t.originalEvent,c=t.rootEl,u=t.parentEl,d=t.sortable,h=t.dispatchSortableEvent,p=t.oldIndex,t=t.putSortable,f=t||this.sortable;s&&(o=this.options,i=u.children,ge||(o.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,o.selectedClass,!~de.indexOf(se)),~de.indexOf(se)?(de.splice(de.indexOf(se),1),ae=null,G({sortable:d,rootEl:c,name:"deselect",targetEl:se,originalEvent:s})):(de.push(se),G({sortable:d,rootEl:c,name:"select",targetEl:se,originalEvent:s}),s.shiftKey&&ae&&d.el.contains(ae)?(r=j(ae),a=j(se),~r&&~a&&r!==a&&function(){for(var e,t=r<a?(e=r,a):(e=a,r+1),n=o.filter;e<t;e++)~de.indexOf(i[e])||P(i[e],o.draggable,u,!1)&&(n&&("function"==typeof n?n.call(d,s,i[e],d):n.split(",").some(function(t){return P(i[e],t.trim(),u,!1)}))||(k(i[e],o.selectedClass,!0),de.push(i[e]),G({sortable:d,rootEl:c,name:"select",targetEl:i[e],originalEvent:s})))}()):ae=se,le=f)),ge&&this.isMultiDrag&&(fe=!1,(u[K].options.sort||u!==c)&&1<de.length&&(n=X(se),e=j(se,":not(."+this.options.selectedClass+")"),!pe&&o.animation&&(se.thisAnimationDuration=null),f.captureAnimationState(),pe||(o.animation&&(se.fromRect=n,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=fe?X(t):n,t.fromRect=e,f.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){i[e]?u.insertBefore(t,i[e]):u.appendChild(t),e++}),p===j(se)&&(l=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(l=!0)}),l&&(h("update"),h("sort")))),de.forEach(function(t){x(t)}),f.animateAll()),le=f),(c===u||t&&"clone"!==t.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)}))},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=fe&&t!==se?-1:fe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 3b73c468e..4517b53f1 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.3
+ * Sortable 1.15.4
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.3";
+var version = "1.15.4";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1232,7 +1232,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         pluginEvent('filter', _this, {
           evt: evt
         });
-        preventOnFilter && evt.cancelable && evt.preventDefault();
+        preventOnFilter && evt.preventDefault();
         return; // cancel dnd
       }
     } else if (filter) {
@@ -1254,7 +1254,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         }
       });
       if (filter) {
-        preventOnFilter && evt.cancelable && evt.preventDefault();
+        preventOnFilter && evt.preventDefault();
         return; // cancel dnd
       }
     }
@@ -1326,9 +1326,15 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
-      on(ownerDocument, 'mouseup', _this._onDrop);
-      on(ownerDocument, 'touchend', _this._onDrop);
-      on(ownerDocument, 'touchcancel', _this._onDrop);
+      if (options.supportPointer) {
+        on(ownerDocument, 'pointerup', _this._onDrop);
+        // Native D&D triggers pointercancel
+        !this.nativeDraggable && on(ownerDocument, 'pointercancel', _this._onDrop);
+      } else {
+        on(ownerDocument, 'mouseup', _this._onDrop);
+        on(ownerDocument, 'touchend', _this._onDrop);
+        on(ownerDocument, 'touchcancel', _this._onDrop);
+      }
 
       // Make dragEl draggable (must be before delay for FireFox)
       if (FireFox && this.nativeDraggable) {
@@ -1348,9 +1354,14 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         // If the user moves the pointer or let go the click or touch
         // before the delay has been reached:
         // disable the delayed drag
-        on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
-        on(ownerDocument, 'touchend', _this._disableDelayedDrag);
-        on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+        if (options.supportPointer) {
+          on(ownerDocument, 'pointerup', _this._disableDelayedDrag);
+          on(ownerDocument, 'pointercancel', _this._disableDelayedDrag);
+        } else {
+          on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
+          on(ownerDocument, 'touchend', _this._disableDelayedDrag);
+          on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+        }
         on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
         on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
         options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
@@ -1376,6 +1387,8 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     off(ownerDocument, 'mouseup', this._disableDelayedDrag);
     off(ownerDocument, 'touchend', this._disableDelayedDrag);
     off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
+    off(ownerDocument, 'pointerup', this._disableDelayedDrag);
+    off(ownerDocument, 'pointercancel', this._disableDelayedDrag);
     off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
@@ -1395,14 +1408,13 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(rootEl, 'dragstart', this._onDragStart);
     }
     try {
-      if (document.selection) {
-        // Timeout neccessary for IE9
-        _nextTick(function () {
+      _nextTick(function () {
+        if (document.selection) {
           document.selection.empty();
-        });
-      } else {
-        window.getSelection().removeAllRanges();
-      }
+        } else {
+          window.getSelection().removeAllRanges();
+        }
+      });
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
@@ -1889,6 +1901,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     off(ownerDocument, 'mouseup', this._onDrop);
     off(ownerDocument, 'touchend', this._onDrop);
     off(ownerDocument, 'pointerup', this._onDrop);
+    off(ownerDocument, 'pointercancel', this._onDrop);
     off(ownerDocument, 'touchcancel', this._onDrop);
     off(document, 'selectstart', this);
   },
@@ -3079,28 +3092,38 @@ function MultiDragPlugin() {
             var lastIndex = index(lastMultiDragSelect),
               currentIndex = index(dragEl$1);
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
-              // Must include lastMultiDragSelect (select it), in case modified selection from no selection
-              // (but previous selection existed)
-              var n, i;
-              if (currentIndex > lastIndex) {
-                i = lastIndex;
-                n = currentIndex;
-              } else {
-                i = currentIndex;
-                n = lastIndex + 1;
-              }
-              for (; i < n; i++) {
-                if (~multiDragElements.indexOf(children[i])) continue;
-                toggleClass(children[i], options.selectedClass, true);
-                multiDragElements.push(children[i]);
-                dispatchEvent({
-                  sortable: sortable,
-                  rootEl: rootEl,
-                  name: 'select',
-                  targetEl: children[i],
-                  originalEvent: evt
-                });
-              }
+              (function () {
+                // Must include lastMultiDragSelect (select it), in case modified selection from no selection
+                // (but previous selection existed)
+                var n, i;
+                if (currentIndex > lastIndex) {
+                  i = lastIndex;
+                  n = currentIndex;
+                } else {
+                  i = currentIndex;
+                  n = lastIndex + 1;
+                }
+                var filter = options.filter;
+                for (; i < n; i++) {
+                  if (~multiDragElements.indexOf(children[i])) continue;
+                  // Check if element is draggable
+                  if (!closest(children[i], options.draggable, parentEl, false)) continue;
+                  // Check if element is filtered
+                  var filtered = filter && (typeof filter === 'function' ? filter.call(sortable, evt, children[i], sortable) : filter.split(',').some(function (criteria) {
+                    return closest(children[i], criteria.trim(), parentEl, false);
+                  }));
+                  if (filtered) continue;
+                  toggleClass(children[i], options.selectedClass, true);
+                  multiDragElements.push(children[i]);
+                  dispatchEvent({
+                    sortable: sortable,
+                    rootEl: rootEl,
+                    name: 'select',
+                    targetEl: children[i],
+                    originalEvent: evt
+                  });
+                }
+              })();
             }
           } else {
             lastMultiDragSelect = dragEl$1;
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 8b5e49b01..8b164517a 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.3
+ * Sortable 1.15.4
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.3";
+var version = "1.15.4";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1232,7 +1232,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         pluginEvent('filter', _this, {
           evt: evt
         });
-        preventOnFilter && evt.cancelable && evt.preventDefault();
+        preventOnFilter && evt.preventDefault();
         return; // cancel dnd
       }
     } else if (filter) {
@@ -1254,7 +1254,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         }
       });
       if (filter) {
-        preventOnFilter && evt.cancelable && evt.preventDefault();
+        preventOnFilter && evt.preventDefault();
         return; // cancel dnd
       }
     }
@@ -1326,9 +1326,15 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
-      on(ownerDocument, 'mouseup', _this._onDrop);
-      on(ownerDocument, 'touchend', _this._onDrop);
-      on(ownerDocument, 'touchcancel', _this._onDrop);
+      if (options.supportPointer) {
+        on(ownerDocument, 'pointerup', _this._onDrop);
+        // Native D&D triggers pointercancel
+        !this.nativeDraggable && on(ownerDocument, 'pointercancel', _this._onDrop);
+      } else {
+        on(ownerDocument, 'mouseup', _this._onDrop);
+        on(ownerDocument, 'touchend', _this._onDrop);
+        on(ownerDocument, 'touchcancel', _this._onDrop);
+      }
 
       // Make dragEl draggable (must be before delay for FireFox)
       if (FireFox && this.nativeDraggable) {
@@ -1348,9 +1354,14 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         // If the user moves the pointer or let go the click or touch
         // before the delay has been reached:
         // disable the delayed drag
-        on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
-        on(ownerDocument, 'touchend', _this._disableDelayedDrag);
-        on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+        if (options.supportPointer) {
+          on(ownerDocument, 'pointerup', _this._disableDelayedDrag);
+          on(ownerDocument, 'pointercancel', _this._disableDelayedDrag);
+        } else {
+          on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
+          on(ownerDocument, 'touchend', _this._disableDelayedDrag);
+          on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+        }
         on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
         on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
         options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
@@ -1376,6 +1387,8 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     off(ownerDocument, 'mouseup', this._disableDelayedDrag);
     off(ownerDocument, 'touchend', this._disableDelayedDrag);
     off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
+    off(ownerDocument, 'pointerup', this._disableDelayedDrag);
+    off(ownerDocument, 'pointercancel', this._disableDelayedDrag);
     off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
@@ -1395,14 +1408,13 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(rootEl, 'dragstart', this._onDragStart);
     }
     try {
-      if (document.selection) {
-        // Timeout neccessary for IE9
-        _nextTick(function () {
+      _nextTick(function () {
+        if (document.selection) {
           document.selection.empty();
-        });
-      } else {
-        window.getSelection().removeAllRanges();
-      }
+        } else {
+          window.getSelection().removeAllRanges();
+        }
+      });
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
@@ -1889,6 +1901,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     off(ownerDocument, 'mouseup', this._onDrop);
     off(ownerDocument, 'touchend', this._onDrop);
     off(ownerDocument, 'pointerup', this._onDrop);
+    off(ownerDocument, 'pointercancel', this._onDrop);
     off(ownerDocument, 'touchcancel', this._onDrop);
     off(document, 'selectstart', this);
   },
@@ -3080,28 +3093,38 @@ function MultiDragPlugin() {
             var lastIndex = index(lastMultiDragSelect),
               currentIndex = index(dragEl$1);
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
-              // Must include lastMultiDragSelect (select it), in case modified selection from no selection
-              // (but previous selection existed)
-              var n, i;
-              if (currentIndex > lastIndex) {
-                i = lastIndex;
-                n = currentIndex;
-              } else {
-                i = currentIndex;
-                n = lastIndex + 1;
-              }
-              for (; i < n; i++) {
-                if (~multiDragElements.indexOf(children[i])) continue;
-                toggleClass(children[i], options.selectedClass, true);
-                multiDragElements.push(children[i]);
-                dispatchEvent({
-                  sortable: sortable,
-                  rootEl: rootEl,
-                  name: 'select',
-                  targetEl: children[i],
-                  originalEvent: evt
-                });
-              }
+              (function () {
+                // Must include lastMultiDragSelect (select it), in case modified selection from no selection
+                // (but previous selection existed)
+                var n, i;
+                if (currentIndex > lastIndex) {
+                  i = lastIndex;
+                  n = currentIndex;
+                } else {
+                  i = currentIndex;
+                  n = lastIndex + 1;
+                }
+                var filter = options.filter;
+                for (; i < n; i++) {
+                  if (~multiDragElements.indexOf(children[i])) continue;
+                  // Check if element is draggable
+                  if (!closest(children[i], options.draggable, parentEl, false)) continue;
+                  // Check if element is filtered
+                  var filtered = filter && (typeof filter === 'function' ? filter.call(sortable, evt, children[i], sortable) : filter.split(',').some(function (criteria) {
+                    return closest(children[i], criteria.trim(), parentEl, false);
+                  }));
+                  if (filtered) continue;
+                  toggleClass(children[i], options.selectedClass, true);
+                  multiDragElements.push(children[i]);
+                  dispatchEvent({
+                    sortable: sortable,
+                    rootEl: rootEl,
+                    name: 'select',
+                    targetEl: children[i],
+                    originalEvent: evt
+                  });
+                }
+              })();
             }
           } else {
             lastMultiDragSelect = dragEl$1;
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index a06d969cf..159b1e69e 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.3
+ * Sortable 1.15.4
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.3";
+var version = "1.15.4";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1232,7 +1232,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         pluginEvent('filter', _this, {
           evt: evt
         });
-        preventOnFilter && evt.cancelable && evt.preventDefault();
+        preventOnFilter && evt.preventDefault();
         return; // cancel dnd
       }
     } else if (filter) {
@@ -1254,7 +1254,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         }
       });
       if (filter) {
-        preventOnFilter && evt.cancelable && evt.preventDefault();
+        preventOnFilter && evt.preventDefault();
         return; // cancel dnd
       }
     }
@@ -1326,9 +1326,15 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
       on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
-      on(ownerDocument, 'mouseup', _this._onDrop);
-      on(ownerDocument, 'touchend', _this._onDrop);
-      on(ownerDocument, 'touchcancel', _this._onDrop);
+      if (options.supportPointer) {
+        on(ownerDocument, 'pointerup', _this._onDrop);
+        // Native D&D triggers pointercancel
+        !this.nativeDraggable && on(ownerDocument, 'pointercancel', _this._onDrop);
+      } else {
+        on(ownerDocument, 'mouseup', _this._onDrop);
+        on(ownerDocument, 'touchend', _this._onDrop);
+        on(ownerDocument, 'touchcancel', _this._onDrop);
+      }
 
       // Make dragEl draggable (must be before delay for FireFox)
       if (FireFox && this.nativeDraggable) {
@@ -1348,9 +1354,14 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         // If the user moves the pointer or let go the click or touch
         // before the delay has been reached:
         // disable the delayed drag
-        on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
-        on(ownerDocument, 'touchend', _this._disableDelayedDrag);
-        on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+        if (options.supportPointer) {
+          on(ownerDocument, 'pointerup', _this._disableDelayedDrag);
+          on(ownerDocument, 'pointercancel', _this._disableDelayedDrag);
+        } else {
+          on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
+          on(ownerDocument, 'touchend', _this._disableDelayedDrag);
+          on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
+        }
         on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
         on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
         options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
@@ -1376,6 +1387,8 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     off(ownerDocument, 'mouseup', this._disableDelayedDrag);
     off(ownerDocument, 'touchend', this._disableDelayedDrag);
     off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
+    off(ownerDocument, 'pointerup', this._disableDelayedDrag);
+    off(ownerDocument, 'pointercancel', this._disableDelayedDrag);
     off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
     off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
@@ -1395,14 +1408,13 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(rootEl, 'dragstart', this._onDragStart);
     }
     try {
-      if (document.selection) {
-        // Timeout neccessary for IE9
-        _nextTick(function () {
+      _nextTick(function () {
+        if (document.selection) {
           document.selection.empty();
-        });
-      } else {
-        window.getSelection().removeAllRanges();
-      }
+        } else {
+          window.getSelection().removeAllRanges();
+        }
+      });
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
@@ -1889,6 +1901,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     off(ownerDocument, 'mouseup', this._onDrop);
     off(ownerDocument, 'touchend', this._onDrop);
     off(ownerDocument, 'pointerup', this._onDrop);
+    off(ownerDocument, 'pointercancel', this._onDrop);
     off(ownerDocument, 'touchcancel', this._onDrop);
     off(document, 'selectstart', this);
   },
@@ -3079,28 +3092,38 @@ function MultiDragPlugin() {
             var lastIndex = index(lastMultiDragSelect),
               currentIndex = index(dragEl$1);
             if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
-              // Must include lastMultiDragSelect (select it), in case modified selection from no selection
-              // (but previous selection existed)
-              var n, i;
-              if (currentIndex > lastIndex) {
-                i = lastIndex;
-                n = currentIndex;
-              } else {
-                i = currentIndex;
-                n = lastIndex + 1;
-              }
-              for (; i < n; i++) {
-                if (~multiDragElements.indexOf(children[i])) continue;
-                toggleClass(children[i], options.selectedClass, true);
-                multiDragElements.push(children[i]);
-                dispatchEvent({
-                  sortable: sortable,
-                  rootEl: rootEl,
-                  name: 'select',
-                  targetEl: children[i],
-                  originalEvent: evt
-                });
-              }
+              (function () {
+                // Must include lastMultiDragSelect (select it), in case modified selection from no selection
+                // (but previous selection existed)
+                var n, i;
+                if (currentIndex > lastIndex) {
+                  i = lastIndex;
+                  n = currentIndex;
+                } else {
+                  i = currentIndex;
+                  n = lastIndex + 1;
+                }
+                var filter = options.filter;
+                for (; i < n; i++) {
+                  if (~multiDragElements.indexOf(children[i])) continue;
+                  // Check if element is draggable
+                  if (!closest(children[i], options.draggable, parentEl, false)) continue;
+                  // Check if element is filtered
+                  var filtered = filter && (typeof filter === 'function' ? filter.call(sortable, evt, children[i], sortable) : filter.split(',').some(function (criteria) {
+                    return closest(children[i], criteria.trim(), parentEl, false);
+                  }));
+                  if (filtered) continue;
+                  toggleClass(children[i], options.selectedClass, true);
+                  multiDragElements.push(children[i]);
+                  dispatchEvent({
+                    sortable: sortable,
+                    rootEl: rootEl,
+                    name: 'select',
+                    targetEl: children[i],
+                    originalEvent: evt
+                  });
+                }
+              })();
             }
           } else {
             lastMultiDragSelect = dragEl$1;
diff --git a/package-lock.json b/package-lock.json
index 94674ebc9..dc5f01863 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "sortablejs",
-	"version": "1.15.3",
+	"version": "1.15.4",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "sortablejs",
-			"version": "1.15.3",
+			"version": "1.15.4",
 			"license": "MIT",
 			"devDependencies": {
 				"@babel/core": "^7.4.4",
diff --git a/package.json b/package.json
index 71fbed6fa..c0590b17a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.15.3",
+	"version": "1.15.4",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From ca13d2c3dde73604f41dd04d9165864db6441220 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Wed, 27 Nov 2024 20:20:39 +0000
Subject: [PATCH 86/94] #2410: clear selection after drag start only with
 fallback

---
 src/Sortable.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 5b6a9e07f..a538063f9 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -715,10 +715,13 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		}
 
 		try {
-			_nextTick(function () {
+			if (this.nativeDraggable) {
+				window.getSelection().removeAllRanges();
+			}
+			_nextTick(() => {
 				if (document.selection) {
 					document.selection.empty();
-				} else {
+				} else if (!this.nativeDraggable) {
 					window.getSelection().removeAllRanges();
 				}
 			});

From a81251f406f3bfc629bdb91f596b15066b688773 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Wed, 27 Nov 2024 22:56:52 +0000
Subject: [PATCH 87/94] #2410: Further improve selection handling on drag start

---
 src/Sortable.js | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index a538063f9..18b487988 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -715,16 +715,14 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 		}
 
 		try {
-			if (this.nativeDraggable) {
+			
+			if (document.selection) {
+				_nextTick(() => {
+					document.selection.empty();
+				});
+			} else if (this.nativeDraggable) {
 				window.getSelection().removeAllRanges();
 			}
-			_nextTick(() => {
-				if (document.selection) {
-					document.selection.empty();
-				} else if (!this.nativeDraggable) {
-					window.getSelection().removeAllRanges();
-				}
-			});
 		} catch (err) {
 		}
 	},
@@ -999,6 +997,8 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 
 		moved = true;
 
+		window.getSelection().removeAllRanges();
+
 		if (Safari) {
 			css(document.body, 'user-select', 'none');
 		}

From 104d731585f260315116eacb56542a32653ad3bb Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Wed, 27 Nov 2024 23:08:12 +0000
Subject: [PATCH 88/94] 1.15.5

---
 Sortable.js                      | 17 +++++++++--------
 Sortable.min.js                  |  4 ++--
 modular/sortable.complete.esm.js | 17 +++++++++--------
 modular/sortable.core.esm.js     | 17 +++++++++--------
 modular/sortable.esm.js          | 17 +++++++++--------
 package-lock.json                |  4 ++--
 package.json                     |  2 +-
 7 files changed, 41 insertions(+), 37 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index d229c3606..45cba5286 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.4
+ * Sortable 1.15.5
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -134,7 +134,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.15.4";
+  var version = "1.15.5";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -1414,13 +1414,13 @@
         on(rootEl, 'dragstart', this._onDragStart);
       }
       try {
-        _nextTick(function () {
-          if (document.selection) {
+        if (document.selection) {
+          _nextTick(function () {
             document.selection.empty();
-          } else {
-            window.getSelection().removeAllRanges();
-          }
-        });
+          });
+        } else if (this.nativeDraggable) {
+          window.getSelection().removeAllRanges();
+        }
       } catch (err) {}
     },
     _dragStarted: function _dragStarted(fallback, evt) {
@@ -1636,6 +1636,7 @@
       _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
       on(document, 'selectstart', _this);
       moved = true;
+      window.getSelection().removeAllRanges();
       if (Safari) {
         css(document.body, 'user-select', 'none');
       }
diff --git a/Sortable.min.js b/Sortable.min.js
index 575cf2597..51fecb681 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.15.4 - MIT | git://github.com/SortableJS/Sortable.git */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Sortable=e()}(this,function(){"use strict";function e(e,t){var n,o=Object.keys(e);return Object.getOwnPropertySymbols&&(n=Object.getOwnPropertySymbols(e),t&&(n=n.filter(function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable})),o.push.apply(o,n)),o}function I(o){for(var t=1;t<arguments.length;t++){var i=null!=arguments[t]?arguments[t]:{};t%2?e(Object(i),!0).forEach(function(t){var e,n;e=o,t=i[n=t],n in e?Object.defineProperty(e,n,{value:t,enumerable:!0,configurable:!0,writable:!0}):e[n]=t}):Object.getOwnPropertyDescriptors?Object.defineProperties(o,Object.getOwnPropertyDescriptors(i)):e(Object(i)).forEach(function(t){Object.defineProperty(o,t,Object.getOwnPropertyDescriptor(i,t))})}return o}function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function a(){return(a=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n,o=arguments[e];for(n in o)Object.prototype.hasOwnProperty.call(o,n)&&(t[n]=o[n])}return t}).apply(this,arguments)}function i(t,e){if(null==t)return{};var n,o=function(t,e){if(null==t)return{};for(var n,o={},i=Object.keys(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||(o[n]=t[n]);return o}(t,e);if(Object.getOwnPropertySymbols)for(var i=Object.getOwnPropertySymbols(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||Object.prototype.propertyIsEnumerable.call(t,n)&&(o[n]=t[n]);return o}function r(t){return function(t){if(Array.isArray(t))return l(t)}(t)||function(t){if("undefined"!=typeof Symbol&&null!=t[Symbol.iterator]||null!=t["@@iterator"])return Array.from(t)}(t)||function(t,e){if(t){if("string"==typeof t)return l(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Map"===(n="Object"===n&&t.constructor?t.constructor.name:n)||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?l(t,e):void 0}}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function l(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,o=new Array(e);n<e;n++)o[n]=t[n];return o}function t(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var y=t(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),w=t(/Edge/i),s=t(/firefox/i),u=t(/safari/i)&&!t(/chrome/i)&&!t(/android/i),n=t(/iP(ad|od|hone)/i),c=t(/chrome/i)&&t(/android/i),d={capture:!1,passive:!1};function h(t,e,n){t.addEventListener(e,n,!y&&d)}function p(t,e,n){t.removeEventListener(e,n,!y&&d)}function f(t,e){if(e&&(">"===e[0]&&(e=e.substring(1)),t))try{if(t.matches)return t.matches(e);if(t.msMatchesSelector)return t.msMatchesSelector(e);if(t.webkitMatchesSelector)return t.webkitMatchesSelector(e)}catch(t){return}}function g(t){return t.host&&t!==document&&t.host.nodeType?t.host:t.parentNode}function P(t,e,n,o){if(t){n=n||document;do{if(null!=e&&(">"!==e[0]||t.parentNode===n)&&f(t,e)||o&&t===n)return t}while(t!==n&&(t=g(t)))}return null}var m,v=/\s+/g;function k(t,e,n){var o;t&&e&&(t.classList?t.classList[n?"add":"remove"](e):(o=(" "+t.className+" ").replace(v," ").replace(" "+e+" "," "),t.className=(o+(n?" 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e=this.options,n=e.fallbackTolerance,o=e.fallbackOffset,i=t.touches?t.touches[0]:t,r=Q&&b(Q,!0),a=Q&&r&&r.a,l=Q&&r&&r.d,e=At&&wt&&E(wt),a=(i.clientX-ut.clientX+o.x)/(a||1)+(e?e[0]-Tt[0]:0)/(a||1),l=(i.clientY-ut.clientY+o.y)/(l||1)+(e?e[1]-Tt[1]:0)/(l||1);if(!jt.active&&!Dt){if(n&&Math.max(Math.abs(i.clientX-this._lastX),Math.abs(i.clientY-this._lastY))<n)return;this._onDragStart(t,!0)}Q&&(r?(r.e+=a-(ht||0),r.f+=l-(pt||0)):r={a:1,b:0,c:0,d:1,e:a,f:l},r="matrix(".concat(r.a,",").concat(r.b,",").concat(r.c,",").concat(r.d,",").concat(r.e,",").concat(r.f,")"),R(Q,"webkitTransform",r),R(Q,"mozTransform",r),R(Q,"msTransform",r),R(Q,"transform",r),ht=a,pt=l,dt=i),t.cancelable&&t.preventDefault()}},_appendGhost:function(){if(!Q){var 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t=this.el.ownerDocument;p(t,"mouseup",this._onDrop),p(t,"touchend",this._onDrop),p(t,"pointerup",this._onDrop),p(t,"pointercancel",this._onDrop),p(t,"touchcancel",this._onDrop),p(document,"selectstart",this)},_onDrop:function(t){var e=this.el,n=this.options;rt=j(Z),lt=j(Z,n.draggable),U("drop",this,{evt:t}),$=Z&&Z.parentNode,rt=j(Z),lt=j(Z,n.draggable),jt.eventCanceled||(_t=Ct=Dt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),zt(this.cloneId),zt(this._dragStartId),this.nativeDraggable&&(p(document,"drop",this),p(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),u&&R(document.body,"user-select",""),R(Z,"transform",""),t&&(mt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),Q&&Q.parentNode&&Q.parentNode.removeChild(Q),(J===$||ct&&"clone"!==ct.lastPutMode)&&nt&&nt.parentNode&&nt.parentNode.removeChild(nt),Z&&(this.nativeDraggable&&p(Z,"dragend",this),Lt(Z),Z.style["will-change"]="",mt&&!Dt&&k(Z,(ct||this).options.ghostClass,!1),k(Z,this.options.chosenClass,!1),V({sortable:this,name:"unchoose",toEl:$,newIndex:null,newDraggableIndex:null,originalEvent:t}),J!==$?(0<=rt&&(V({rootEl:$,name:"add",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"remove",toEl:$,originalEvent:t}),V({rootEl:$,name:"sort",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),ct&&ct.save()):rt!==it&&0<=rt&&(V({sortable:this,name:"update",toEl:$,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),jt.active&&(null!=rt&&-1!==rt||(rt=it,lt=at),V({sortable:this,name:"end",toEl:$,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){U("nulling",this),J=Z=$=Q=tt=nt=et=ot=ut=dt=mt=rt=lt=it=at=vt=bt=ct=st=jt.dragged=jt.ghost=jt.clone=jt.active=null,Ot.forEach(function(t){t.checked=!0}),Ot.length=ht=pt=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":Z&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=z.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Rt(n)},destroy:function(){U("destroy",this);var 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e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ne&&k(ne,l.swapClass,!1),ne&&(l.swap||i&&i.options.swap)&&r!==ne&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ne,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ne=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ne}}})}),jt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";de.length&&le===o?de.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;se=t},delayEnded:function(){this.isMultiDrag=~de.indexOf(se)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ge=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(de.forEach(function(t){t!==se&&R(t,"position","absolute")}),e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&T(t,e)}),pe=fe=!0)),t.animateAll(function(){pe=fe=!1,n.options.animation&&de.forEach(function(t){x(t)}),n.options.sort&&ve()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;fe&&~de.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<de.length&&(de.forEach(function(t){r.addAnimationState({target:t,rect:fe?X(t):a}),x(t),t.fromRect=a,e.removeAnimationState(t)}),fe=!1,n=!this.options.removeCloneOnHide,o=i,de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),pe=!1,t.animation&&1<de.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),fe=!0),o||(fe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,ve())},drop:function(t){var o,i,r,a,n,e,l,s=t.originalEvent,c=t.rootEl,u=t.parentEl,d=t.sortable,h=t.dispatchSortableEvent,p=t.oldIndex,t=t.putSortable,f=t||this.sortable;s&&(o=this.options,i=u.children,ge||(o.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,o.selectedClass,!~de.indexOf(se)),~de.indexOf(se)?(de.splice(de.indexOf(se),1),ae=null,G({sortable:d,rootEl:c,name:"deselect",targetEl:se,originalEvent:s})):(de.push(se),G({sortable:d,rootEl:c,name:"select",targetEl:se,originalEvent:s}),s.shiftKey&&ae&&d.el.contains(ae)?(r=j(ae),a=j(se),~r&&~a&&r!==a&&function(){for(var e,t=r<a?(e=r,a):(e=a,r+1),n=o.filter;e<t;e++)~de.indexOf(i[e])||P(i[e],o.draggable,u,!1)&&(n&&("function"==typeof n?n.call(d,s,i[e],d):n.split(",").some(function(t){return P(i[e],t.trim(),u,!1)}))||(k(i[e],o.selectedClass,!0),de.push(i[e]),G({sortable:d,rootEl:c,name:"select",targetEl:i[e],originalEvent:s})))}()):ae=se,le=f)),ge&&this.isMultiDrag&&(fe=!1,(u[K].options.sort||u!==c)&&1<de.length&&(n=X(se),e=j(se,":not(."+this.options.selectedClass+")"),!pe&&o.animation&&(se.thisAnimationDuration=null),f.captureAnimationState(),pe||(o.animation&&(se.fromRect=n,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=fe?X(t):n,t.fromRect=e,f.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){i[e]?u.insertBefore(t,i[e]):u.appendChild(t),e++}),p===j(se)&&(l=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(l=!0)}),l&&(h("update"),h("sort")))),de.forEach(function(t){x(t)}),f.animateAll()),le=f),(c===u||t&&"clone"!==t.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)}))},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=fe&&t!==se?-1:fe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 4517b53f1..7e531eac3 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.4
+ * Sortable 1.15.5
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.4";
+var version = "1.15.5";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1408,13 +1408,13 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(rootEl, 'dragstart', this._onDragStart);
     }
     try {
-      _nextTick(function () {
-        if (document.selection) {
+      if (document.selection) {
+        _nextTick(function () {
           document.selection.empty();
-        } else {
-          window.getSelection().removeAllRanges();
-        }
-      });
+        });
+      } else if (this.nativeDraggable) {
+        window.getSelection().removeAllRanges();
+      }
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
@@ -1630,6 +1630,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
     on(document, 'selectstart', _this);
     moved = true;
+    window.getSelection().removeAllRanges();
     if (Safari) {
       css(document.body, 'user-select', 'none');
     }
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 8b164517a..83616d87e 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.4
+ * Sortable 1.15.5
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.4";
+var version = "1.15.5";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1408,13 +1408,13 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(rootEl, 'dragstart', this._onDragStart);
     }
     try {
-      _nextTick(function () {
-        if (document.selection) {
+      if (document.selection) {
+        _nextTick(function () {
           document.selection.empty();
-        } else {
-          window.getSelection().removeAllRanges();
-        }
-      });
+        });
+      } else if (this.nativeDraggable) {
+        window.getSelection().removeAllRanges();
+      }
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
@@ -1630,6 +1630,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
     on(document, 'selectstart', _this);
     moved = true;
+    window.getSelection().removeAllRanges();
     if (Safari) {
       css(document.body, 'user-select', 'none');
     }
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 159b1e69e..7e22f3fc7 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.4
+ * Sortable 1.15.5
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.4";
+var version = "1.15.5";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1408,13 +1408,13 @@ Sortable.prototype = /** @lends Sortable.prototype */{
       on(rootEl, 'dragstart', this._onDragStart);
     }
     try {
-      _nextTick(function () {
-        if (document.selection) {
+      if (document.selection) {
+        _nextTick(function () {
           document.selection.empty();
-        } else {
-          window.getSelection().removeAllRanges();
-        }
-      });
+        });
+      } else if (this.nativeDraggable) {
+        window.getSelection().removeAllRanges();
+      }
     } catch (err) {}
   },
   _dragStarted: function _dragStarted(fallback, evt) {
@@ -1630,6 +1630,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
     _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
     on(document, 'selectstart', _this);
     moved = true;
+    window.getSelection().removeAllRanges();
     if (Safari) {
       css(document.body, 'user-select', 'none');
     }
diff --git a/package-lock.json b/package-lock.json
index dc5f01863..4580fa202 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "sortablejs",
-	"version": "1.15.4",
+	"version": "1.15.5",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "sortablejs",
-			"version": "1.15.4",
+			"version": "1.15.5",
 			"license": "MIT",
 			"devDependencies": {
 				"@babel/core": "^7.4.4",
diff --git a/package.json b/package.json
index c0590b17a..2a15dcc3d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.15.4",
+	"version": "1.15.5",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 7d7d5d66c3220594379ec2027ab33c4053c8201a Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Thu, 28 Nov 2024 18:05:48 +0000
Subject: [PATCH 89/94] restore old fallback selection clearing behaviour

---
 src/Sortable.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index 18b487988..b1d856ec9 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -720,7 +720,7 @@ Sortable.prototype = /** @lends Sortable.prototype */ {
 				_nextTick(() => {
 					document.selection.empty();
 				});
-			} else if (this.nativeDraggable) {
+			} else {
 				window.getSelection().removeAllRanges();
 			}
 		} catch (err) {

From 22172395df8554f2ef4f43bc7b540b4d25ef7870 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Thu, 28 Nov 2024 18:09:56 +0000
Subject: [PATCH 90/94] #2244: Allow supportPointer to be enabled by default
 for IOS

---
 src/Sortable.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Sortable.js b/src/Sortable.js
index b1d856ec9..47761808e 100644
--- a/src/Sortable.js
+++ b/src/Sortable.js
@@ -394,7 +394,8 @@ function Sortable(el, options) {
 		fallbackOnBody: false,
 		fallbackTolerance: 0,
 		fallbackOffset: {x: 0, y: 0},
-		supportPointer: Sortable.supportPointer !== false && ('PointerEvent' in window) && !Safari,
+		// Disabled on Safari: #1571; Enabled on Safari IOS: #2244
+		supportPointer: Sortable.supportPointer !== false && ('PointerEvent' in window) && (!Safari || IOS),
 		emptyInsertThreshold: 5
 	};
 

From 63ecb31937d19fcb30aa924e82ee8a769ef34492 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Thu, 28 Nov 2024 18:17:58 +0000
Subject: [PATCH 91/94] 1.15.6

---
 Sortable.js                      | 9 +++++----
 Sortable.min.js                  | 4 ++--
 modular/sortable.complete.esm.js | 9 +++++----
 modular/sortable.core.esm.js     | 9 +++++----
 modular/sortable.esm.js          | 9 +++++----
 package-lock.json                | 4 ++--
 package.json                     | 2 +-
 7 files changed, 25 insertions(+), 21 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index 45cba5286..0c1555baa 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.5
+ * Sortable 1.15.6
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -134,7 +134,7 @@
     throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
 
-  var version = "1.15.5";
+  var version = "1.15.6";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -1127,7 +1127,8 @@
         x: 0,
         y: 0
       },
-      supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
+      // Disabled on Safari: #1571; Enabled on Safari IOS: #2244
+      supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && (!Safari || IOS),
       emptyInsertThreshold: 5
     };
     PluginManager.initializePlugins(this, el, defaults);
@@ -1418,7 +1419,7 @@
           _nextTick(function () {
             document.selection.empty();
           });
-        } else if (this.nativeDraggable) {
+        } else {
           window.getSelection().removeAllRanges();
         }
       } catch (err) {}
diff --git a/Sortable.min.js b/Sortable.min.js
index 51fecb681..95423a649 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.15.5 - MIT | git://github.com/SortableJS/Sortable.git */
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e=this.options,n=e.fallbackTolerance,o=e.fallbackOffset,i=t.touches?t.touches[0]:t,r=Q&&b(Q,!0),a=Q&&r&&r.a,l=Q&&r&&r.d,e=At&&wt&&E(wt),a=(i.clientX-ut.clientX+o.x)/(a||1)+(e?e[0]-Tt[0]:0)/(a||1),l=(i.clientY-ut.clientY+o.y)/(l||1)+(e?e[1]-Tt[1]:0)/(l||1);if(!jt.active&&!Dt){if(n&&Math.max(Math.abs(i.clientX-this._lastX),Math.abs(i.clientY-this._lastY))<n)return;this._onDragStart(t,!0)}Q&&(r?(r.e+=a-(ht||0),r.f+=l-(pt||0)):r={a:1,b:0,c:0,d:1,e:a,f:l},r="matrix(".concat(r.a,",").concat(r.b,",").concat(r.c,",").concat(r.d,",").concat(r.e,",").concat(r.f,")"),R(Q,"webkitTransform",r),R(Q,"mozTransform",r),R(Q,"msTransform",r),R(Q,"transform",r),ht=a,pt=l,dt=i),t.cancelable&&t.preventDefault()}},_appendGhost:function(){if(!Q){var 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e=this.el,n=this.options;rt=j(Z),lt=j(Z,n.draggable),U("drop",this,{evt:t}),$=Z&&Z.parentNode,rt=j(Z),lt=j(Z,n.draggable),jt.eventCanceled||(_t=Ct=Dt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),zt(this.cloneId),zt(this._dragStartId),this.nativeDraggable&&(p(document,"drop",this),p(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),u&&R(document.body,"user-select",""),R(Z,"transform",""),t&&(mt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),Q&&Q.parentNode&&Q.parentNode.removeChild(Q),(J===$||ct&&"clone"!==ct.lastPutMode)&&nt&&nt.parentNode&&nt.parentNode.removeChild(nt),Z&&(this.nativeDraggable&&p(Z,"dragend",this),Lt(Z),Z.style["will-change"]="",mt&&!Dt&&k(Z,(ct||this).options.ghostClass,!1),k(Z,this.options.chosenClass,!1),V({sortable:this,name:"unchoose",toEl:$,newIndex:null,newDraggableIndex:null,originalEvent:t}),J!==$?(0<=rt&&(V({rootEl:$,name:"add",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"remove",toEl:$,originalEvent:t}),V({rootEl:$,name:"sort",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),ct&&ct.save()):rt!==it&&0<=rt&&(V({sortable:this,name:"update",toEl:$,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),jt.active&&(null!=rt&&-1!==rt||(rt=it,lt=at),V({sortable:this,name:"end",toEl:$,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){U("nulling",this),J=Z=$=Q=tt=nt=et=ot=ut=dt=mt=rt=lt=it=at=vt=bt=ct=st=jt.dragged=jt.ghost=jt.clone=jt.active=null,Ot.forEach(function(t){t.checked=!0}),Ot.length=ht=pt=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":Z&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)P(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];P(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return P(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=z.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Rt(n)},destroy:function(){U("destroy",this);var 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e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ne&&k(ne,l.swapClass,!1),ne&&(l.swap||i&&i.options.swap)&&r!==ne&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ne,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ne=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ne}}})}),jt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";de.length&&le===o?de.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;se=t},delayEnded:function(){this.isMultiDrag=~de.indexOf(se)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ge=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(de.forEach(function(t){t!==se&&R(t,"position","absolute")}),e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&T(t,e)}),pe=fe=!0)),t.animateAll(function(){pe=fe=!1,n.options.animation&&de.forEach(function(t){x(t)}),n.options.sort&&ve()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;fe&&~de.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<de.length&&(de.forEach(function(t){r.addAnimationState({target:t,rect:fe?X(t):a}),x(t),t.fromRect=a,e.removeAnimationState(t)}),fe=!1,n=!this.options.removeCloneOnHide,o=i,de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),pe=!1,t.animation&&1<de.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),fe=!0),o||(fe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,ve())},drop:function(t){var o,i,r,a,n,e,l,s=t.originalEvent,c=t.rootEl,u=t.parentEl,d=t.sortable,h=t.dispatchSortableEvent,p=t.oldIndex,t=t.putSortable,f=t||this.sortable;s&&(o=this.options,i=u.children,ge||(o.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,o.selectedClass,!~de.indexOf(se)),~de.indexOf(se)?(de.splice(de.indexOf(se),1),ae=null,G({sortable:d,rootEl:c,name:"deselect",targetEl:se,originalEvent:s})):(de.push(se),G({sortable:d,rootEl:c,name:"select",targetEl:se,originalEvent:s}),s.shiftKey&&ae&&d.el.contains(ae)?(r=j(ae),a=j(se),~r&&~a&&r!==a&&function(){for(var e,t=r<a?(e=r,a):(e=a,r+1),n=o.filter;e<t;e++)~de.indexOf(i[e])||P(i[e],o.draggable,u,!1)&&(n&&("function"==typeof n?n.call(d,s,i[e],d):n.split(",").some(function(t){return P(i[e],t.trim(),u,!1)}))||(k(i[e],o.selectedClass,!0),de.push(i[e]),G({sortable:d,rootEl:c,name:"select",targetEl:i[e],originalEvent:s})))}()):ae=se,le=f)),ge&&this.isMultiDrag&&(fe=!1,(u[K].options.sort||u!==c)&&1<de.length&&(n=X(se),e=j(se,":not(."+this.options.selectedClass+")"),!pe&&o.animation&&(se.thisAnimationDuration=null),f.captureAnimationState(),pe||(o.animation&&(se.fromRect=n,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=fe?X(t):n,t.fromRect=e,f.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){i[e]?u.insertBefore(t,i[e]):u.appendChild(t),e++}),p===j(se)&&(l=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(l=!0)}),l&&(h("update"),h("sort")))),de.forEach(function(t){x(t)}),f.animateAll()),le=f),(c===u||t&&"clone"!==t.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)}))},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=fe&&t!==se?-1:fe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 7e531eac3..717bfba5d 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.5
+ * Sortable 1.15.6
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.5";
+var version = "1.15.6";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1121,7 +1121,8 @@ function Sortable(el, options) {
       x: 0,
       y: 0
     },
-    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
+    // Disabled on Safari: #1571; Enabled on Safari IOS: #2244
+    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && (!Safari || IOS),
     emptyInsertThreshold: 5
   };
   PluginManager.initializePlugins(this, el, defaults);
@@ -1412,7 +1413,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         _nextTick(function () {
           document.selection.empty();
         });
-      } else if (this.nativeDraggable) {
+      } else {
         window.getSelection().removeAllRanges();
       }
     } catch (err) {}
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 83616d87e..337ad2ccc 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.5
+ * Sortable 1.15.6
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.5";
+var version = "1.15.6";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1121,7 +1121,8 @@ function Sortable(el, options) {
       x: 0,
       y: 0
     },
-    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
+    // Disabled on Safari: #1571; Enabled on Safari IOS: #2244
+    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && (!Safari || IOS),
     emptyInsertThreshold: 5
   };
   PluginManager.initializePlugins(this, el, defaults);
@@ -1412,7 +1413,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         _nextTick(function () {
           document.selection.empty();
         });
-      } else if (this.nativeDraggable) {
+      } else {
         window.getSelection().removeAllRanges();
       }
     } catch (err) {}
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 7e22f3fc7..824d48148 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.5
+ * Sortable 1.15.6
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -128,7 +128,7 @@ function _nonIterableSpread() {
   throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
 }
 
-var version = "1.15.5";
+var version = "1.15.6";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -1121,7 +1121,8 @@ function Sortable(el, options) {
       x: 0,
       y: 0
     },
-    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && !Safari,
+    // Disabled on Safari: #1571; Enabled on Safari IOS: #2244
+    supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window && (!Safari || IOS),
     emptyInsertThreshold: 5
   };
   PluginManager.initializePlugins(this, el, defaults);
@@ -1412,7 +1413,7 @@ Sortable.prototype = /** @lends Sortable.prototype */{
         _nextTick(function () {
           document.selection.empty();
         });
-      } else if (this.nativeDraggable) {
+      } else {
         window.getSelection().removeAllRanges();
       }
     } catch (err) {}
diff --git a/package-lock.json b/package-lock.json
index 4580fa202..cb56be7d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "sortablejs",
-	"version": "1.15.5",
+	"version": "1.15.6",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "sortablejs",
-			"version": "1.15.5",
+			"version": "1.15.6",
 			"license": "MIT",
 			"devDependencies": {
 				"@babel/core": "^7.4.4",
diff --git a/package.json b/package.json
index 2a15dcc3d..5fa2b5d87 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.15.5",
+	"version": "1.15.6",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From bd74abb22ade431c0e1af0cd552796ec1e0bcb0c Mon Sep 17 00:00:00 2001
From: Marvin Scharle <marvin.scharle@conclurer.com>
Date: Wed, 26 Mar 2025 10:25:10 +0100
Subject: [PATCH 92/94] fix: Sortable crashes browser when event is triggered
 from within ShadowDom element

---
 src/utils.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/utils.js b/src/utils.js
index c26c5bb90..43112a4d3 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -38,7 +38,7 @@ function matches(/**HTMLElement*/el, /**String*/selector) {
 }
 
 function getParentOrHost(el) {
-	return (el.host && el !== document && el.host.nodeType)
+	return (el.host && el !== document && el.host.nodeType && el.host !== el)
 		? el.host
 		: el.parentNode;
 }
@@ -256,7 +256,7 @@ function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoS
 
 /**
  * Returns the content rect of the element (bounding rect minus border and padding)
- * @param {HTMLElement} el 
+ * @param {HTMLElement} el
  */
 function getContentRect(el) {
 	let rect = getRect(el);

From 031649b8116565e02419e8aa2d252d7d8c82b9da Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Wed, 11 Feb 2026 22:12:59 +0000
Subject: [PATCH 93/94] 1.15.7

---
 Sortable.js                      | 219 +++++++++++-----------
 Sortable.min.js                  |   4 +-
 modular/sortable.complete.esm.js | 219 +++++++++++-----------
 modular/sortable.core.esm.js     | 219 +++++++++++-----------
 modular/sortable.esm.js          | 219 +++++++++++-----------
 package-lock.json                | 304 +++++++++++++------------------
 package.json                     |   2 +-
 7 files changed, 536 insertions(+), 650 deletions(-)

diff --git a/Sortable.js b/Sortable.js
index 0c1555baa..22881af50 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -1,5 +1,5 @@
 /**!
- * Sortable 1.15.6
+ * Sortable 1.15.7
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
@@ -10,131 +10,113 @@
   (global = global || self, global.Sortable = factory());
 }(this, (function () { 'use strict';
 
-  function ownKeys(object, enumerableOnly) {
-    var keys = Object.keys(object);
-    if (Object.getOwnPropertySymbols) {
-      var symbols = Object.getOwnPropertySymbols(object);
-      if (enumerableOnly) {
-        symbols = symbols.filter(function (sym) {
-          return Object.getOwnPropertyDescriptor(object, sym).enumerable;
-        });
-      }
-      keys.push.apply(keys, symbols);
-    }
-    return keys;
-  }
-  function _objectSpread2(target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i] != null ? arguments[i] : {};
-      if (i % 2) {
-        ownKeys(Object(source), true).forEach(function (key) {
-          _defineProperty(target, key, source[key]);
-        });
-      } else if (Object.getOwnPropertyDescriptors) {
-        Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
-      } else {
-        ownKeys(Object(source)).forEach(function (key) {
-          Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
-        });
-      }
-    }
-    return target;
+  function _arrayLikeToArray(r, a) {
+    (null == a || a > r.length) && (a = r.length);
+    for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e];
+    return n;
   }
-  function _typeof(obj) {
-    "@babel/helpers - typeof";
-
-    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
-      _typeof = function (obj) {
-        return typeof obj;
-      };
-    } else {
-      _typeof = function (obj) {
-        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-      };
-    }
-    return _typeof(obj);
-  }
-  function _defineProperty(obj, key, value) {
-    if (key in obj) {
-      Object.defineProperty(obj, key, {
-        value: value,
-        enumerable: true,
-        configurable: true,
-        writable: true
-      });
-    } else {
-      obj[key] = value;
-    }
-    return obj;
+  function _arrayWithoutHoles(r) {
+    if (Array.isArray(r)) return _arrayLikeToArray(r);
   }
-  function _extends() {
-    _extends = Object.assign || function (target) {
-      for (var i = 1; i < arguments.length; i++) {
-        var source = arguments[i];
-        for (var key in source) {
-          if (Object.prototype.hasOwnProperty.call(source, key)) {
-            target[key] = source[key];
-          }
-        }
-      }
-      return target;
-    };
-    return _extends.apply(this, arguments);
-  }
-  function _objectWithoutPropertiesLoose(source, excluded) {
-    if (source == null) return {};
-    var target = {};
-    var sourceKeys = Object.keys(source);
-    var key, i;
-    for (i = 0; i < sourceKeys.length; i++) {
-      key = sourceKeys[i];
-      if (excluded.indexOf(key) >= 0) continue;
-      target[key] = source[key];
-    }
-    return target;
+  function _defineProperty(e, r, t) {
+    return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, {
+      value: t,
+      enumerable: !0,
+      configurable: !0,
+      writable: !0
+    }) : e[r] = t, e;
   }
-  function _objectWithoutProperties(source, excluded) {
-    if (source == null) return {};
-    var target = _objectWithoutPropertiesLoose(source, excluded);
-    var key, i;
-    if (Object.getOwnPropertySymbols) {
-      var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-      for (i = 0; i < sourceSymbolKeys.length; i++) {
-        key = sourceSymbolKeys[i];
-        if (excluded.indexOf(key) >= 0) continue;
-        if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
-        target[key] = source[key];
+  function _extends() {
+    return _extends = Object.assign ? Object.assign.bind() : function (n) {
+      for (var e = 1; e < arguments.length; e++) {
+        var t = arguments[e];
+        for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]);
       }
-    }
-    return target;
+      return n;
+    }, _extends.apply(null, arguments);
   }
-  function _toConsumableArray(arr) {
-    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
+  function _iterableToArray(r) {
+    if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r);
   }
-  function _arrayWithoutHoles(arr) {
-    if (Array.isArray(arr)) return _arrayLikeToArray(arr);
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
   }
-  function _iterableToArray(iter) {
-    if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
+  function ownKeys(e, r) {
+    var t = Object.keys(e);
+    if (Object.getOwnPropertySymbols) {
+      var o = Object.getOwnPropertySymbols(e);
+      r && (o = o.filter(function (r) {
+        return Object.getOwnPropertyDescriptor(e, r).enumerable;
+      })), t.push.apply(t, o);
+    }
+    return t;
+  }
+  function _objectSpread2(e) {
+    for (var r = 1; r < arguments.length; r++) {
+      var t = null != arguments[r] ? arguments[r] : {};
+      r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {
+        _defineProperty(e, r, t[r]);
+      }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {
+        Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));
+      });
+    }
+    return e;
   }
-  function _unsupportedIterableToArray(o, minLen) {
-    if (!o) return;
-    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
-    var n = Object.prototype.toString.call(o).slice(8, -1);
-    if (n === "Object" && o.constructor) n = o.constructor.name;
-    if (n === "Map" || n === "Set") return Array.from(o);
-    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+  function _objectWithoutProperties(e, t) {
+    if (null == e) return {};
+    var o,
+      r,
+      i = _objectWithoutPropertiesLoose(e, t);
+    if (Object.getOwnPropertySymbols) {
+      var n = Object.getOwnPropertySymbols(e);
+      for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]);
+    }
+    return i;
+  }
+  function _objectWithoutPropertiesLoose(r, e) {
+    if (null == r) return {};
+    var t = {};
+    for (var n in r) if ({}.hasOwnProperty.call(r, n)) {
+      if (-1 !== e.indexOf(n)) continue;
+      t[n] = r[n];
+    }
+    return t;
+  }
+  function _toConsumableArray(r) {
+    return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread();
+  }
+  function _toPrimitive(t, r) {
+    if ("object" != typeof t || !t) return t;
+    var e = t[Symbol.toPrimitive];
+    if (void 0 !== e) {
+      var i = e.call(t, r || "default");
+      if ("object" != typeof i) return i;
+      throw new TypeError("@@toPrimitive must return a primitive value.");
+    }
+    return ("string" === r ? String : Number)(t);
   }
-  function _arrayLikeToArray(arr, len) {
-    if (len == null || len > arr.length) len = arr.length;
-    for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-    return arr2;
+  function _toPropertyKey(t) {
+    var i = _toPrimitive(t, "string");
+    return "symbol" == typeof i ? i : i + "";
   }
-  function _nonIterableSpread() {
-    throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+  function _typeof(o) {
+    "@babel/helpers - typeof";
+
+    return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
+      return typeof o;
+    } : function (o) {
+      return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
+    }, _typeof(o);
+  }
+  function _unsupportedIterableToArray(r, a) {
+    if (r) {
+      if ("string" == typeof r) return _arrayLikeToArray(r, a);
+      var t = {}.toString.call(r).slice(8, -1);
+      return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0;
+    }
   }
 
-  var version = "1.15.6";
+  var version = "1.15.7";
 
   function userAgent(pattern) {
     if (typeof window !== 'undefined' && window.navigator) {
@@ -177,7 +159,7 @@
     return false;
   }
   function getParentOrHost(el) {
-    return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
+    return el.host && el !== document && el.host.nodeType && el.host !== el ? el.host : el.parentNode;
   }
   function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
     if (el) {
@@ -2061,8 +2043,11 @@
     _nulling: function _nulling() {
       pluginEvent('nulling', this);
       rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
-      savedInputChecked.forEach(function (el) {
-        el.checked = true;
+      var el = this.el;
+      savedInputChecked.forEach(function (checkEl) {
+        if (el.contains(checkEl)) {
+          checkEl.checked = true;
+        }
       });
       savedInputChecked.length = lastDx = lastDy = 0;
     },
diff --git a/Sortable.min.js b/Sortable.min.js
index 95423a649..8148b9dda 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
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n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t},throttle:_,closest:P,toggleClass:k,clone:C,index:j,nextTick:Wt,cancelNextTick:zt,detectDirection:kt,getChild:B,expando:K},jt.get=function(t){return t[K]},jt.mount=function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];(e=e[0].constructor===Array?e[0]:e).forEach(function(t){if(!t.prototype||!t.prototype.constructor)throw"Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(t));t.utils&&(jt.utils=I(I({},jt.utils),t.utils)),z.mount(t)})},jt.create=function(t,e){return new jt(t,e)};var Gt,Ut,qt,Vt,Zt,$t,Qt=[],Jt=!(jt.version="1.15.6");function te(){Qt.forEach(function(t){clearInterval(t.pid)}),Qt=[]}function ee(){clearInterval($t)}var ne,oe=_(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=O(),u=!1;Ut!==e&&(Ut=e,te(),Gt=t.scroll,i=t.scrollFn,!0===Gt&&(Gt=M(e,!0)));var d=0,h=Gt;do{var p=h,f=X(p),g=f.top,m=f.bottom,v=f.left,b=f.right,y=f.width,w=f.height,D=void 0,E=void 0,S=p.scrollWidth,_=p.scrollHeight,C=R(p),T=p.scrollLeft,f=p.scrollTop,E=p===c?(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY)),T=D&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(v-r)<=l&&!!T),f=E&&(Math.abs(m-a)<=l&&f+w<_)-(Math.abs(g-a)<=l&&!!f);if(!Qt[d])for(var x=0;x<=d;x++)Qt[x]||(Qt[x]={});Qt[d].vx==T&&Qt[d].vy==f&&Qt[d].el===p||(Qt[d].el=p,Qt[d].vx=T,Qt[d].vy=f,clearInterval(Qt[d].pid),0==T&&0==f||(u=!0,Qt[d].pid=setInterval(function(){o&&0===this.layer&&jt.active._onTouchMove(Zt);var t=Qt[this.layer].vy?Qt[this.layer].vy*s:0,e=Qt[this.layer].vx?Qt[this.layer].vx*s:0;"function"==typeof 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e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=B(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:n},a(ie,{pluginName:"revertOnSpill"}),re.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:n},a(re,{pluginName:"removeOnSpill"});var ae,le,se,ce,ue,de=[],he=[],pe=!1,fe=!1,ge=!1;function me(n,o){he.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function ve(){de.forEach(function(t){t!==se&&t.parentNode&&t.parentNode.removeChild(t)})}return jt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof 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o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);Zt=e,n||this.options.forceAutoScrollFallback||w||y||u?(oe(e,this.options,t,n),o=M(t,!0),!Jt||$t&&r===qt&&a===Vt||($t&&ee(),$t=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,te()),oe(e,i.options,t,n)},10),qt=r,Vt=a)):this.options.bubbleScroll&&M(t,!0)!==O()?oe(e,this.options,M(t,!1),!1):te()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),jt.mount(re,ie),jt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;ne=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=ne,ne=!1!==o(n)?(k(n,i.swapClass,!0),n):null,t&&t!==ne&&k(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ne&&k(ne,l.swapClass,!1),ne&&(l.swap||i&&i.options.swap)&&r!==ne&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ne,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ne=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ne}}})}),jt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof 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n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return 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e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),pe=!1,t.animation&&1<de.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),fe=!0),o||(fe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,ve())},drop:function(t){var o,i,r,a,n,e,l,s=t.originalEvent,c=t.rootEl,u=t.parentEl,d=t.sortable,h=t.dispatchSortableEvent,p=t.oldIndex,t=t.putSortable,f=t||this.sortable;s&&(o=this.options,i=u.children,ge||(o.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,o.selectedClass,!~de.indexOf(se)),~de.indexOf(se)?(de.splice(de.indexOf(se),1),ae=null,G({sortable:d,rootEl:c,name:"deselect",targetEl:se,originalEvent:s})):(de.push(se),G({sortable:d,rootEl:c,name:"select",targetEl:se,originalEvent:s}),s.shiftKey&&ae&&d.el.contains(ae)?(r=j(ae),a=j(se),~r&&~a&&r!==a&&function(){for(var e,t=r<a?(e=r,a):(e=a,r+1),n=o.filter;e<t;e++)~de.indexOf(i[e])||P(i[e],o.draggable,u,!1)&&(n&&("function"==typeof n?n.call(d,s,i[e],d):n.split(",").some(function(t){return P(i[e],t.trim(),u,!1)}))||(k(i[e],o.selectedClass,!0),de.push(i[e]),G({sortable:d,rootEl:c,name:"select",targetEl:i[e],originalEvent:s})))}()):ae=se,le=f)),ge&&this.isMultiDrag&&(fe=!1,(u[K].options.sort||u!==c)&&1<de.length&&(n=X(se),e=j(se,":not(."+this.options.selectedClass+")"),!pe&&o.animation&&(se.thisAnimationDuration=null),f.captureAnimationState(),pe||(o.animation&&(se.fromRect=n,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=fe?X(t):n,t.fromRect=e,f.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){i[e]?u.insertBefore(t,i[e]):u.appendChild(t),e++}),p===j(se)&&(l=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(l=!0)}),l&&(h("update"),h("sort")))),de.forEach(function(t){x(t)}),f.animateAll()),le=f),(c===u||t&&"clone"!==t.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)}))},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=fe&&t!==se?-1:fe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});
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d=0,h=Ut;do{var f=h,p=X(f),g=p.top,m=p.bottom,v=p.left,b=p.right,y=p.width,w=p.height,D=void 0,E=void 0,S=f.scrollWidth,_=f.scrollHeight,C=R(f),T=f.scrollLeft,p=f.scrollTop,E=f===c?(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY)),T=D&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(v-r)<=l&&!!T),p=E&&(Math.abs(m-a)<=l&&p+w<_)-(Math.abs(g-a)<=l&&!!p);if(!Jt[d])for(var x=0;x<=d;x++)Jt[x]||(Jt[x]={});Jt[d].vx==T&&Jt[d].vy==p&&Jt[d].el===f||(Jt[d].el=f,Jt[d].vx=T,Jt[d].vy=p,clearInterval(Jt[d].pid),0==T&&0==p||(u=!0,Jt[d].pid=setInterval(function(){o&&0===this.layer&&Ht.active._onTouchMove($t);var t=Jt[this.layer].vy?Jt[this.layer].vy*s:0,e=Jt[this.layer].vx?Jt[this.layer].vx*s:0;"function"==typeof i&&"continue"!==i.call(Ht.dragged.parentNode[K],e,t,n,$t,Jt[this.layer].el)||H(Jt[this.layer].el,e,t)}.bind({layer:d}),24))),d++}while(t.bubbleScroll&&h!==c&&(h=M(h,!1)));te=u}},30),n=function(t){var e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,t=t.unhideGhostForTarget;e&&(i=n||i,a(),e=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,e=document.elementFromPoint(e.clientX,e.clientY),t(),i&&!i.el.contains(e)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n})))};function re(){}function ae(){}re.prototype={startIndex:null,dragStart:function(t){t=t.oldDraggableIndex;this.startIndex=t},onSpill:function(t){var e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=B(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:n},a(re,{pluginName:"revertOnSpill"}),ae.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:n},a(ae,{pluginName:"removeOnSpill"});var le,se,ce,ue,de,he=[],fe=[],pe=!1,ge=!1,me=!1;function ve(n,o){fe.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function be(){he.forEach(function(t){t!==ce&&t.parentNode&&t.parentNode.removeChild(t)})}return Ht.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){t=t.originalEvent;this.sortable.nativeDraggable?f(document,"dragover",this._handleAutoScroll):this.options.supportPointer?f(document,"pointermove",this._handleFallbackAutoScroll):t.touches?f(document,"touchmove",this._handleFallbackAutoScroll):f(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){t=t.originalEvent;this.options.dragOverBubble||t.rootEl||this._handleAutoScroll(t)},drop:function(){this.sortable.nativeDraggable?p(document,"dragover",this._handleAutoScroll):(p(document,"pointermove",this._handleFallbackAutoScroll),p(document,"touchmove",this._handleFallbackAutoScroll),p(document,"mousemove",this._handleFallbackAutoScroll)),ne(),ee(),clearTimeout(v),v=void 0},nulling:function(){$t=qt=Ut=te=Qt=Vt=Zt=null,Jt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);$t=e,n||this.options.forceAutoScrollFallback||w||y||u?(ie(e,this.options,t,n),o=M(t,!0),!te||Qt&&r===Vt&&a===Zt||(Qt&&ne(),Qt=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,ee()),ie(e,i.options,t,n)},10),Vt=r,Zt=a)):this.options.bubbleScroll&&M(t,!0)!==O()?ie(e,this.options,M(t,!1),!1):ee()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Ht.mount(ae,re),Ht.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;oe=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=oe,oe=!1!==o(n)?(k(n,i.swapClass,!0),n):null,t&&t!==oe&&k(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;oe&&k(oe,l.swapClass,!1),oe&&(l.swap||i&&i.options.swap)&&r!==oe&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=oe,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){oe=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:oe}}})}),Ht.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?f(document,"pointerup",this._deselectMultiDrag):(f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag))),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";he.length&&se===o?he.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;ce=t},delayEnded:function(){this.isMultiDrag=~he.indexOf(ce)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<he.length;n++)fe.push(T(he[n])),fe[n].sortableIndex=he[n].sortableIndex,fe[n].draggable=!1,fe[n].style["will-change"]="",k(fe[n],this.options.selectedClass,!1),he[n]===ce&&k(fe[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||he.length&&se===e&&(ve(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(ve(!1,n),fe.forEach(function(t){R(t,"display","")}),e(),de=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(fe.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),de=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&se&&se.multiDrag._deselectMultiDrag(),he.forEach(function(t){t.sortableIndex=j(t)}),he=he.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),me=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(he.forEach(function(t){t!==ce&&R(t,"position","absolute")}),e=X(ce,!1,!0,!0),he.forEach(function(t){t!==ce&&x(t,e)}),pe=ge=!0)),t.animateAll(function(){pe=ge=!1,n.options.animation&&he.forEach(function(t){A(t)}),n.options.sort&&be()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;ge&&~he.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<he.length&&(he.forEach(function(t){r.addAnimationState({target:t,rect:ge?X(t):a}),A(t),t.fromRect=a,e.removeAnimationState(t)}),ge=!1,n=!this.options.removeCloneOnHide,o=i,he.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),pe=!1,t.animation&&1<he.length&&(ge||!o&&!r.options.sort&&!l)&&(e=X(ce,!1,!0,!0),he.forEach(function(t){t!==ce&&(x(t,e),a.appendChild(t))}),ge=!0),o||(ge||be(),1<he.length?(o=de,r._showClone(n),r.options.animation&&!de&&o&&fe.forEach(function(t){r.addAnimationState({target:t,rect:ue}),t.fromRect=ue,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;he.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ue=a({},e),e=D(ce,!0),ue.top-=e.f,ue.left-=e.e)},dragOverAnimationComplete:function(){ge&&(ge=!1,be())},drop:function(t){var o,i,r,a,n,e,l,s=t.originalEvent,c=t.rootEl,u=t.parentEl,d=t.sortable,h=t.dispatchSortableEvent,f=t.oldIndex,t=t.putSortable,p=t||this.sortable;s&&(o=this.options,i=u.children,me||(o.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(ce,o.selectedClass,!~he.indexOf(ce)),~he.indexOf(ce)?(he.splice(he.indexOf(ce),1),le=null,U({sortable:d,rootEl:c,name:"deselect",targetEl:ce,originalEvent:s})):(he.push(ce),U({sortable:d,rootEl:c,name:"select",targetEl:ce,originalEvent:s}),s.shiftKey&&le&&d.el.contains(le)?(r=j(le),a=j(ce),~r&&~a&&r!==a&&function(){for(var e,t=r<a?(e=r,a):(e=a,r+1),n=o.filter;e<t;e++)~he.indexOf(i[e])||P(i[e],o.draggable,u,!1)&&(n&&("function"==typeof n?n.call(d,s,i[e],d):n.split(",").some(function(t){return P(i[e],t.trim(),u,!1)}))||(k(i[e],o.selectedClass,!0),he.push(i[e]),U({sortable:d,rootEl:c,name:"select",targetEl:i[e],originalEvent:s})))}()):le=ce,se=p)),me&&this.isMultiDrag&&(ge=!1,(u[K].options.sort||u!==c)&&1<he.length&&(n=X(ce),e=j(ce,":not(."+this.options.selectedClass+")"),!pe&&o.animation&&(ce.thisAnimationDuration=null),p.captureAnimationState(),pe||(o.animation&&(ce.fromRect=n,he.forEach(function(t){var e;t.thisAnimationDuration=null,t!==ce&&(e=ge?X(t):n,t.fromRect=e,p.addAnimationState({target:t,rect:e}))})),be(),he.forEach(function(t){i[e]?u.insertBefore(t,i[e]):u.appendChild(t),e++}),f===j(ce)&&(l=!1,he.forEach(function(t){t.sortableIndex!==j(t)&&(l=!0)}),l&&(h("update"),h("sort")))),he.forEach(function(t){A(t)}),p.animateAll()),se=p),(c===u||t&&"clone"!==t.lastPutMode)&&fe.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)}))},nullingGlobal:function(){this.isMultiDrag=me=!1,fe.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==me&&me||se!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;he.length;){var e=he[0];k(e,this.options.selectedClass,!1),he.shift(),U({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~he.indexOf(t)&&(se&&se!==e&&(se.multiDrag._deselectMultiDrag(),se=e),k(t,e.options.selectedClass,!0),he.push(t))},deselect:function(t){var e=t.parentNode[K],n=he.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),he.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return he.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=ge&&t!==ce?-1:ge?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:e(he),clones:[].concat(fe),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Ht});
\ No newline at end of file
diff --git a/modular/sortable.complete.esm.js b/modular/sortable.complete.esm.js
index 717bfba5d..16d41c535 100644
--- a/modular/sortable.complete.esm.js
+++ b/modular/sortable.complete.esm.js
@@ -1,134 +1,116 @@
 /**!
- * Sortable 1.15.6
+ * Sortable 1.15.7
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
-function ownKeys(object, enumerableOnly) {
-  var keys = Object.keys(object);
-  if (Object.getOwnPropertySymbols) {
-    var symbols = Object.getOwnPropertySymbols(object);
-    if (enumerableOnly) {
-      symbols = symbols.filter(function (sym) {
-        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
-      });
-    }
-    keys.push.apply(keys, symbols);
-  }
-  return keys;
-}
-function _objectSpread2(target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i] != null ? arguments[i] : {};
-    if (i % 2) {
-      ownKeys(Object(source), true).forEach(function (key) {
-        _defineProperty(target, key, source[key]);
-      });
-    } else if (Object.getOwnPropertyDescriptors) {
-      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
-    } else {
-      ownKeys(Object(source)).forEach(function (key) {
-        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
-      });
+function _arrayLikeToArray(r, a) {
+  (null == a || a > r.length) && (a = r.length);
+  for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e];
+  return n;
+}
+function _arrayWithoutHoles(r) {
+  if (Array.isArray(r)) return _arrayLikeToArray(r);
+}
+function _defineProperty(e, r, t) {
+  return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, {
+    value: t,
+    enumerable: !0,
+    configurable: !0,
+    writable: !0
+  }) : e[r] = t, e;
+}
+function _extends() {
+  return _extends = Object.assign ? Object.assign.bind() : function (n) {
+    for (var e = 1; e < arguments.length; e++) {
+      var t = arguments[e];
+      for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]);
     }
-  }
-  return target;
+    return n;
+  }, _extends.apply(null, arguments);
 }
-function _typeof(obj) {
-  "@babel/helpers - typeof";
-
-  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
-    _typeof = function (obj) {
-      return typeof obj;
-    };
-  } else {
-    _typeof = function (obj) {
-      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-    };
+function _iterableToArray(r) {
+  if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r);
+}
+function _nonIterableSpread() {
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+}
+function ownKeys(e, r) {
+  var t = Object.keys(e);
+  if (Object.getOwnPropertySymbols) {
+    var o = Object.getOwnPropertySymbols(e);
+    r && (o = o.filter(function (r) {
+      return Object.getOwnPropertyDescriptor(e, r).enumerable;
+    })), t.push.apply(t, o);
   }
-  return _typeof(obj);
-}
-function _defineProperty(obj, key, value) {
-  if (key in obj) {
-    Object.defineProperty(obj, key, {
-      value: value,
-      enumerable: true,
-      configurable: true,
-      writable: true
+  return t;
+}
+function _objectSpread2(e) {
+  for (var r = 1; r < arguments.length; r++) {
+    var t = null != arguments[r] ? arguments[r] : {};
+    r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {
+      _defineProperty(e, r, t[r]);
+    }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {
+      Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));
     });
-  } else {
-    obj[key] = value;
   }
-  return obj;
+  return e;
 }
-function _extends() {
-  _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
-      }
-    }
-    return target;
-  };
-  return _extends.apply(this, arguments);
-}
-function _objectWithoutPropertiesLoose(source, excluded) {
-  if (source == null) return {};
-  var target = {};
-  var sourceKeys = Object.keys(source);
-  var key, i;
-  for (i = 0; i < sourceKeys.length; i++) {
-    key = sourceKeys[i];
-    if (excluded.indexOf(key) >= 0) continue;
-    target[key] = source[key];
-  }
-  return target;
-}
-function _objectWithoutProperties(source, excluded) {
-  if (source == null) return {};
-  var target = _objectWithoutPropertiesLoose(source, excluded);
-  var key, i;
+function _objectWithoutProperties(e, t) {
+  if (null == e) return {};
+  var o,
+    r,
+    i = _objectWithoutPropertiesLoose(e, t);
   if (Object.getOwnPropertySymbols) {
-    var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-    for (i = 0; i < sourceSymbolKeys.length; i++) {
-      key = sourceSymbolKeys[i];
-      if (excluded.indexOf(key) >= 0) continue;
-      if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
-      target[key] = source[key];
-    }
+    var n = Object.getOwnPropertySymbols(e);
+    for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]);
   }
-  return target;
-}
-function _toConsumableArray(arr) {
-  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
-}
-function _arrayWithoutHoles(arr) {
-  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
-}
-function _iterableToArray(iter) {
-  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
-}
-function _unsupportedIterableToArray(o, minLen) {
-  if (!o) return;
-  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
-  var n = Object.prototype.toString.call(o).slice(8, -1);
-  if (n === "Object" && o.constructor) n = o.constructor.name;
-  if (n === "Map" || n === "Set") return Array.from(o);
-  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+  return i;
+}
+function _objectWithoutPropertiesLoose(r, e) {
+  if (null == r) return {};
+  var t = {};
+  for (var n in r) if ({}.hasOwnProperty.call(r, n)) {
+    if (-1 !== e.indexOf(n)) continue;
+    t[n] = r[n];
+  }
+  return t;
+}
+function _toConsumableArray(r) {
+  return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread();
+}
+function _toPrimitive(t, r) {
+  if ("object" != typeof t || !t) return t;
+  var e = t[Symbol.toPrimitive];
+  if (void 0 !== e) {
+    var i = e.call(t, r || "default");
+    if ("object" != typeof i) return i;
+    throw new TypeError("@@toPrimitive must return a primitive value.");
+  }
+  return ("string" === r ? String : Number)(t);
 }
-function _arrayLikeToArray(arr, len) {
-  if (len == null || len > arr.length) len = arr.length;
-  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-  return arr2;
+function _toPropertyKey(t) {
+  var i = _toPrimitive(t, "string");
+  return "symbol" == typeof i ? i : i + "";
 }
-function _nonIterableSpread() {
-  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+function _typeof(o) {
+  "@babel/helpers - typeof";
+
+  return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
+    return typeof o;
+  } : function (o) {
+    return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
+  }, _typeof(o);
+}
+function _unsupportedIterableToArray(r, a) {
+  if (r) {
+    if ("string" == typeof r) return _arrayLikeToArray(r, a);
+    var t = {}.toString.call(r).slice(8, -1);
+    return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0;
+  }
 }
 
-var version = "1.15.6";
+var version = "1.15.7";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -171,7 +153,7 @@ function matches( /**HTMLElement*/el, /**String*/selector) {
   return false;
 }
 function getParentOrHost(el) {
-  return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
+  return el.host && el !== document && el.host.nodeType && el.host !== el ? el.host : el.parentNode;
 }
 function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
   if (el) {
@@ -2055,8 +2037,11 @@ Sortable.prototype = /** @lends Sortable.prototype */{
   _nulling: function _nulling() {
     pluginEvent('nulling', this);
     rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
-    savedInputChecked.forEach(function (el) {
-      el.checked = true;
+    var el = this.el;
+    savedInputChecked.forEach(function (checkEl) {
+      if (el.contains(checkEl)) {
+        checkEl.checked = true;
+      }
     });
     savedInputChecked.length = lastDx = lastDy = 0;
   },
diff --git a/modular/sortable.core.esm.js b/modular/sortable.core.esm.js
index 337ad2ccc..cb433ff25 100644
--- a/modular/sortable.core.esm.js
+++ b/modular/sortable.core.esm.js
@@ -1,134 +1,116 @@
 /**!
- * Sortable 1.15.6
+ * Sortable 1.15.7
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
-function ownKeys(object, enumerableOnly) {
-  var keys = Object.keys(object);
-  if (Object.getOwnPropertySymbols) {
-    var symbols = Object.getOwnPropertySymbols(object);
-    if (enumerableOnly) {
-      symbols = symbols.filter(function (sym) {
-        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
-      });
-    }
-    keys.push.apply(keys, symbols);
-  }
-  return keys;
-}
-function _objectSpread2(target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i] != null ? arguments[i] : {};
-    if (i % 2) {
-      ownKeys(Object(source), true).forEach(function (key) {
-        _defineProperty(target, key, source[key]);
-      });
-    } else if (Object.getOwnPropertyDescriptors) {
-      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
-    } else {
-      ownKeys(Object(source)).forEach(function (key) {
-        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
-      });
+function _arrayLikeToArray(r, a) {
+  (null == a || a > r.length) && (a = r.length);
+  for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e];
+  return n;
+}
+function _arrayWithoutHoles(r) {
+  if (Array.isArray(r)) return _arrayLikeToArray(r);
+}
+function _defineProperty(e, r, t) {
+  return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, {
+    value: t,
+    enumerable: !0,
+    configurable: !0,
+    writable: !0
+  }) : e[r] = t, e;
+}
+function _extends() {
+  return _extends = Object.assign ? Object.assign.bind() : function (n) {
+    for (var e = 1; e < arguments.length; e++) {
+      var t = arguments[e];
+      for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]);
     }
-  }
-  return target;
+    return n;
+  }, _extends.apply(null, arguments);
 }
-function _typeof(obj) {
-  "@babel/helpers - typeof";
-
-  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
-    _typeof = function (obj) {
-      return typeof obj;
-    };
-  } else {
-    _typeof = function (obj) {
-      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-    };
+function _iterableToArray(r) {
+  if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r);
+}
+function _nonIterableSpread() {
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+}
+function ownKeys(e, r) {
+  var t = Object.keys(e);
+  if (Object.getOwnPropertySymbols) {
+    var o = Object.getOwnPropertySymbols(e);
+    r && (o = o.filter(function (r) {
+      return Object.getOwnPropertyDescriptor(e, r).enumerable;
+    })), t.push.apply(t, o);
   }
-  return _typeof(obj);
-}
-function _defineProperty(obj, key, value) {
-  if (key in obj) {
-    Object.defineProperty(obj, key, {
-      value: value,
-      enumerable: true,
-      configurable: true,
-      writable: true
+  return t;
+}
+function _objectSpread2(e) {
+  for (var r = 1; r < arguments.length; r++) {
+    var t = null != arguments[r] ? arguments[r] : {};
+    r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {
+      _defineProperty(e, r, t[r]);
+    }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {
+      Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));
     });
-  } else {
-    obj[key] = value;
   }
-  return obj;
+  return e;
 }
-function _extends() {
-  _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
-      }
-    }
-    return target;
-  };
-  return _extends.apply(this, arguments);
-}
-function _objectWithoutPropertiesLoose(source, excluded) {
-  if (source == null) return {};
-  var target = {};
-  var sourceKeys = Object.keys(source);
-  var key, i;
-  for (i = 0; i < sourceKeys.length; i++) {
-    key = sourceKeys[i];
-    if (excluded.indexOf(key) >= 0) continue;
-    target[key] = source[key];
-  }
-  return target;
-}
-function _objectWithoutProperties(source, excluded) {
-  if (source == null) return {};
-  var target = _objectWithoutPropertiesLoose(source, excluded);
-  var key, i;
+function _objectWithoutProperties(e, t) {
+  if (null == e) return {};
+  var o,
+    r,
+    i = _objectWithoutPropertiesLoose(e, t);
   if (Object.getOwnPropertySymbols) {
-    var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-    for (i = 0; i < sourceSymbolKeys.length; i++) {
-      key = sourceSymbolKeys[i];
-      if (excluded.indexOf(key) >= 0) continue;
-      if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
-      target[key] = source[key];
-    }
+    var n = Object.getOwnPropertySymbols(e);
+    for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]);
   }
-  return target;
-}
-function _toConsumableArray(arr) {
-  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
-}
-function _arrayWithoutHoles(arr) {
-  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
-}
-function _iterableToArray(iter) {
-  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
-}
-function _unsupportedIterableToArray(o, minLen) {
-  if (!o) return;
-  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
-  var n = Object.prototype.toString.call(o).slice(8, -1);
-  if (n === "Object" && o.constructor) n = o.constructor.name;
-  if (n === "Map" || n === "Set") return Array.from(o);
-  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+  return i;
+}
+function _objectWithoutPropertiesLoose(r, e) {
+  if (null == r) return {};
+  var t = {};
+  for (var n in r) if ({}.hasOwnProperty.call(r, n)) {
+    if (-1 !== e.indexOf(n)) continue;
+    t[n] = r[n];
+  }
+  return t;
+}
+function _toConsumableArray(r) {
+  return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread();
+}
+function _toPrimitive(t, r) {
+  if ("object" != typeof t || !t) return t;
+  var e = t[Symbol.toPrimitive];
+  if (void 0 !== e) {
+    var i = e.call(t, r || "default");
+    if ("object" != typeof i) return i;
+    throw new TypeError("@@toPrimitive must return a primitive value.");
+  }
+  return ("string" === r ? String : Number)(t);
 }
-function _arrayLikeToArray(arr, len) {
-  if (len == null || len > arr.length) len = arr.length;
-  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-  return arr2;
+function _toPropertyKey(t) {
+  var i = _toPrimitive(t, "string");
+  return "symbol" == typeof i ? i : i + "";
 }
-function _nonIterableSpread() {
-  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+function _typeof(o) {
+  "@babel/helpers - typeof";
+
+  return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
+    return typeof o;
+  } : function (o) {
+    return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
+  }, _typeof(o);
+}
+function _unsupportedIterableToArray(r, a) {
+  if (r) {
+    if ("string" == typeof r) return _arrayLikeToArray(r, a);
+    var t = {}.toString.call(r).slice(8, -1);
+    return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0;
+  }
 }
 
-var version = "1.15.6";
+var version = "1.15.7";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -171,7 +153,7 @@ function matches( /**HTMLElement*/el, /**String*/selector) {
   return false;
 }
 function getParentOrHost(el) {
-  return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
+  return el.host && el !== document && el.host.nodeType && el.host !== el ? el.host : el.parentNode;
 }
 function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
   if (el) {
@@ -2055,8 +2037,11 @@ Sortable.prototype = /** @lends Sortable.prototype */{
   _nulling: function _nulling() {
     pluginEvent('nulling', this);
     rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
-    savedInputChecked.forEach(function (el) {
-      el.checked = true;
+    var el = this.el;
+    savedInputChecked.forEach(function (checkEl) {
+      if (el.contains(checkEl)) {
+        checkEl.checked = true;
+      }
     });
     savedInputChecked.length = lastDx = lastDy = 0;
   },
diff --git a/modular/sortable.esm.js b/modular/sortable.esm.js
index 824d48148..c5d485ffd 100644
--- a/modular/sortable.esm.js
+++ b/modular/sortable.esm.js
@@ -1,134 +1,116 @@
 /**!
- * Sortable 1.15.6
+ * Sortable 1.15.7
  * @author	RubaXa   <trash@rubaxa.org>
  * @author	owenm    <owen23355@gmail.com>
  * @license MIT
  */
-function ownKeys(object, enumerableOnly) {
-  var keys = Object.keys(object);
-  if (Object.getOwnPropertySymbols) {
-    var symbols = Object.getOwnPropertySymbols(object);
-    if (enumerableOnly) {
-      symbols = symbols.filter(function (sym) {
-        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
-      });
-    }
-    keys.push.apply(keys, symbols);
-  }
-  return keys;
-}
-function _objectSpread2(target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i] != null ? arguments[i] : {};
-    if (i % 2) {
-      ownKeys(Object(source), true).forEach(function (key) {
-        _defineProperty(target, key, source[key]);
-      });
-    } else if (Object.getOwnPropertyDescriptors) {
-      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
-    } else {
-      ownKeys(Object(source)).forEach(function (key) {
-        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
-      });
+function _arrayLikeToArray(r, a) {
+  (null == a || a > r.length) && (a = r.length);
+  for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e];
+  return n;
+}
+function _arrayWithoutHoles(r) {
+  if (Array.isArray(r)) return _arrayLikeToArray(r);
+}
+function _defineProperty(e, r, t) {
+  return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, {
+    value: t,
+    enumerable: !0,
+    configurable: !0,
+    writable: !0
+  }) : e[r] = t, e;
+}
+function _extends() {
+  return _extends = Object.assign ? Object.assign.bind() : function (n) {
+    for (var e = 1; e < arguments.length; e++) {
+      var t = arguments[e];
+      for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]);
     }
-  }
-  return target;
+    return n;
+  }, _extends.apply(null, arguments);
 }
-function _typeof(obj) {
-  "@babel/helpers - typeof";
-
-  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
-    _typeof = function (obj) {
-      return typeof obj;
-    };
-  } else {
-    _typeof = function (obj) {
-      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-    };
+function _iterableToArray(r) {
+  if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r);
+}
+function _nonIterableSpread() {
+  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+}
+function ownKeys(e, r) {
+  var t = Object.keys(e);
+  if (Object.getOwnPropertySymbols) {
+    var o = Object.getOwnPropertySymbols(e);
+    r && (o = o.filter(function (r) {
+      return Object.getOwnPropertyDescriptor(e, r).enumerable;
+    })), t.push.apply(t, o);
   }
-  return _typeof(obj);
-}
-function _defineProperty(obj, key, value) {
-  if (key in obj) {
-    Object.defineProperty(obj, key, {
-      value: value,
-      enumerable: true,
-      configurable: true,
-      writable: true
+  return t;
+}
+function _objectSpread2(e) {
+  for (var r = 1; r < arguments.length; r++) {
+    var t = null != arguments[r] ? arguments[r] : {};
+    r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {
+      _defineProperty(e, r, t[r]);
+    }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {
+      Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));
     });
-  } else {
-    obj[key] = value;
   }
-  return obj;
+  return e;
 }
-function _extends() {
-  _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
-      }
-    }
-    return target;
-  };
-  return _extends.apply(this, arguments);
-}
-function _objectWithoutPropertiesLoose(source, excluded) {
-  if (source == null) return {};
-  var target = {};
-  var sourceKeys = Object.keys(source);
-  var key, i;
-  for (i = 0; i < sourceKeys.length; i++) {
-    key = sourceKeys[i];
-    if (excluded.indexOf(key) >= 0) continue;
-    target[key] = source[key];
-  }
-  return target;
-}
-function _objectWithoutProperties(source, excluded) {
-  if (source == null) return {};
-  var target = _objectWithoutPropertiesLoose(source, excluded);
-  var key, i;
+function _objectWithoutProperties(e, t) {
+  if (null == e) return {};
+  var o,
+    r,
+    i = _objectWithoutPropertiesLoose(e, t);
   if (Object.getOwnPropertySymbols) {
-    var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-    for (i = 0; i < sourceSymbolKeys.length; i++) {
-      key = sourceSymbolKeys[i];
-      if (excluded.indexOf(key) >= 0) continue;
-      if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
-      target[key] = source[key];
-    }
+    var n = Object.getOwnPropertySymbols(e);
+    for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]);
   }
-  return target;
-}
-function _toConsumableArray(arr) {
-  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
-}
-function _arrayWithoutHoles(arr) {
-  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
-}
-function _iterableToArray(iter) {
-  if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
-}
-function _unsupportedIterableToArray(o, minLen) {
-  if (!o) return;
-  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
-  var n = Object.prototype.toString.call(o).slice(8, -1);
-  if (n === "Object" && o.constructor) n = o.constructor.name;
-  if (n === "Map" || n === "Set") return Array.from(o);
-  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
+  return i;
+}
+function _objectWithoutPropertiesLoose(r, e) {
+  if (null == r) return {};
+  var t = {};
+  for (var n in r) if ({}.hasOwnProperty.call(r, n)) {
+    if (-1 !== e.indexOf(n)) continue;
+    t[n] = r[n];
+  }
+  return t;
+}
+function _toConsumableArray(r) {
+  return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread();
+}
+function _toPrimitive(t, r) {
+  if ("object" != typeof t || !t) return t;
+  var e = t[Symbol.toPrimitive];
+  if (void 0 !== e) {
+    var i = e.call(t, r || "default");
+    if ("object" != typeof i) return i;
+    throw new TypeError("@@toPrimitive must return a primitive value.");
+  }
+  return ("string" === r ? String : Number)(t);
 }
-function _arrayLikeToArray(arr, len) {
-  if (len == null || len > arr.length) len = arr.length;
-  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-  return arr2;
+function _toPropertyKey(t) {
+  var i = _toPrimitive(t, "string");
+  return "symbol" == typeof i ? i : i + "";
 }
-function _nonIterableSpread() {
-  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
+function _typeof(o) {
+  "@babel/helpers - typeof";
+
+  return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) {
+    return typeof o;
+  } : function (o) {
+    return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o;
+  }, _typeof(o);
+}
+function _unsupportedIterableToArray(r, a) {
+  if (r) {
+    if ("string" == typeof r) return _arrayLikeToArray(r, a);
+    var t = {}.toString.call(r).slice(8, -1);
+    return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0;
+  }
 }
 
-var version = "1.15.6";
+var version = "1.15.7";
 
 function userAgent(pattern) {
   if (typeof window !== 'undefined' && window.navigator) {
@@ -171,7 +153,7 @@ function matches( /**HTMLElement*/el, /**String*/selector) {
   return false;
 }
 function getParentOrHost(el) {
-  return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
+  return el.host && el !== document && el.host.nodeType && el.host !== el ? el.host : el.parentNode;
 }
 function closest( /**HTMLElement*/el, /**String*/selector, /**HTMLElement*/ctx, includeCTX) {
   if (el) {
@@ -2055,8 +2037,11 @@ Sortable.prototype = /** @lends Sortable.prototype */{
   _nulling: function _nulling() {
     pluginEvent('nulling', this);
     rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
-    savedInputChecked.forEach(function (el) {
-      el.checked = true;
+    var el = this.el;
+    savedInputChecked.forEach(function (checkEl) {
+      if (el.contains(checkEl)) {
+        checkEl.checked = true;
+      }
     });
     savedInputChecked.length = lastDx = lastDy = 0;
   },
diff --git a/package-lock.json b/package-lock.json
index cb56be7d5..3db0dddd6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "sortablejs",
-	"version": "1.15.6",
+	"version": "1.15.7",
 	"lockfileVersion": 2,
 	"requires": true,
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@@ -8126,23 +8088,20 @@
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-			"dev": true,
-			"requires": {
-				"regenerator-runtime": "^0.13.4"
-			}
+			"version": "7.28.6",
+			"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.28.6.tgz",
+			"integrity": "sha512-05WQkdpL9COIMz4LjTxGpPNCdlpyimKppYNoJ5Di5EUObifl8t4tuLuUBBZEpoLYOmfvIWrsp9fCl0HoPRVTdA==",
+			"dev": true
 		},
 		"@babel/template": {
-			"version": "7.22.15",
-			"resolved": "https://registry.npmjs.org/@babel/template/-/template-7.22.15.tgz",
-			"integrity": "sha512-QPErUVm4uyJa60rkI73qneDacvdvzxshT3kksGqlGWYdOTIUOwJ7RDUL8sGqslY1uXWSL6xMFKEXDS3ox2uF0w==",
+			"version": "7.28.6",
+			"resolved": "https://registry.npmjs.org/@babel/template/-/template-7.28.6.tgz",
+			"integrity": "sha512-YA6Ma2KsCdGb+WC6UpBVFJGXL58MDA6oyONbjyF/+5sBgxY/dwkhLogbMT2GXXyU84/IhRw/2D1Os1B/giz+BQ==",
 			"dev": true,
 			"requires": {
-				"@babel/code-frame": "^7.22.13",
-				"@babel/parser": "^7.22.15",
-				"@babel/types": "^7.22.15"
+				"@babel/code-frame": "^7.28.6",
+				"@babel/parser": "^7.28.6",
+				"@babel/types": "^7.28.6"
 			}
 		},
 		"@babel/traverse": {
@@ -8164,14 +8123,13 @@
 			}
 		},
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-			"resolved": "https://registry.npmjs.org/@babel/types/-/types-7.23.5.tgz",
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+			"version": "7.29.0",
+			"resolved": "https://registry.npmjs.org/@babel/types/-/types-7.29.0.tgz",
+			"integrity": "sha512-LwdZHpScM4Qz8Xw2iKSzS+cfglZzJGvofQICy7W7v4caru4EaAmyUuO6BGrbyQ2mYV11W0U8j5mBhd14dd3B0A==",
 			"dev": true,
 			"requires": {
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-				"@babel/helper-validator-identifier": "^7.22.20",
-				"to-fast-properties": "^2.0.0"
+				"@babel/helper-string-parser": "^7.27.1",
+				"@babel/helper-validator-identifier": "^7.28.5"
 			}
 		},
 		"@jridgewell/gen-mapping": {
@@ -8734,9 +8692,9 @@
 			"dev": true
 		},
 		"brace-expansion": {
-			"version": "1.1.11",
-			"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+			"version": "1.1.12",
+			"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
+			"integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
 			"dev": true,
 			"requires": {
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@@ -9250,9 +9208,9 @@
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 		},
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-			"resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
-			"integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+			"version": "4.0.4",
+			"resolved": "https://registry.npmjs.org/diff/-/diff-4.0.4.tgz",
+			"integrity": "sha512-X07nttJQkwkfKfvTPG/KSnE2OMdcUCao6+eXF3wmnIQRn2aPAHH3VxDbDOdegkd6JbPsXqShpvEOHfAT+nCNwQ==",
 			"dev": true
 		},
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@@ -9325,7 +9283,7 @@
 		"endpoint-utils": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/endpoint-utils/-/endpoint-utils-1.0.2.tgz",
-			"integrity": "sha1-CAjDNppyfNeWejn/NOvJJriBRqg=",
+			"integrity": "sha512-s5IrlLvx7qVXPOjcxjF00CRBlybiQWOoGCNiIZ/Vin2WeJ3SHtfkWHRsyu7C1+6QAwYXf0ULoweylxUa19Khjg==",
 			"dev": true,
 			"requires": {
 				"ip": "^1.1.3",
@@ -10158,23 +10116,23 @@
 			}
 		},
 		"jwa": {
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-			"resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
-			"integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
+			"version": "1.4.2",
+			"resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.2.tgz",
+			"integrity": "sha512-eeH5JO+21J78qMvTIDdBXidBd6nG2kZjg5Ohz/1fpa28Z4CcsWUzJ1ZZyFq/3z3N17aZy+ZuBoHljASbL1WfOw==",
 			"dev": true,
 			"requires": {
-				"buffer-equal-constant-time": "1.0.1",
+				"buffer-equal-constant-time": "^1.0.1",
 				"ecdsa-sig-formatter": "1.0.11",
 				"safe-buffer": "^5.0.1"
 			}
 		},
 		"jws": {
-			"version": "3.2.2",
-			"resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
-			"integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+			"version": "3.2.3",
+			"resolved": "https://registry.npmjs.org/jws/-/jws-3.2.3.tgz",
+			"integrity": "sha512-byiJ0FLRdLdSVSReO/U4E7RoEyOCKnEnEPMjq3HxWtvzLsV08/i5RQKsFVNkCldrCaPr2vDNAOMsfs8T/Hze7g==",
 			"dev": true,
 			"requires": {
-				"jwa": "^1.4.1",
+				"jwa": "^1.4.2",
 				"safe-buffer": "^5.0.1"
 			}
 		},
@@ -10248,9 +10206,9 @@
 			}
 		},
 		"lodash": {
-			"version": "4.17.21",
-			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-			"integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+			"version": "4.17.23",
+			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",
+			"integrity": "sha512-LgVTMpQtIopCi79SJeDiP0TfWi5CNEc/L/aRdTh3yIvmZXTnheWpKjSZhnvMl8iXbC1tFg9gdHHDMLoV7CnG+w==",
 			"dev": true
 		},
 		"lodash.debounce": {
@@ -10501,9 +10459,9 @@
 			"dev": true
 		},
 		"nanoid": {
-			"version": "3.3.7",
-			"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.7.tgz",
-			"integrity": "sha512-eSRppjcPIatRIMC1U6UngP8XFcz8MQWGQdt1MTBQ7NaAmvXDfvNxbvWV3x2y6CdEUciCSsDHDQZbhYaB8QEo2g==",
+			"version": "3.3.11",
+			"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
+			"integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
 			"dev": true
 		},
 		"newtype-ts": {
@@ -10706,9 +10664,9 @@
 			"dev": true
 		},
 		"picocolors": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-			"integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
+			"integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==",
 			"dev": true
 		},
 		"picomatch": {
@@ -10871,12 +10829,6 @@
 				"regenerate": "^1.4.0"
 			}
 		},
-		"regenerator-runtime": {
-			"version": "0.13.7",
-			"resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.7.tgz",
-			"integrity": "sha512-a54FxoJDIr27pgf7IgeQGxmqUNYrcV338lf/6gH456HZ/PhX+5BcwHXG9ajESmwe6WRO0tAzRUrRmNONWgkrew==",
-			"dev": true
-		},
 		"regenerator-transform": {
 			"version": "0.14.5",
 			"resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.14.5.tgz",
@@ -11813,7 +11765,7 @@
 		"tmp": {
 			"version": "0.0.28",
 			"resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.28.tgz",
-			"integrity": "sha1-Fyc1t/YU6nrzlmT6hM8N5OUV0SA=",
+			"integrity": "sha512-c2mmfiBmND6SOVxzogm1oda0OJ1HZVIk/5n26N59dDTh80MUeavpiCls4PGAdkX1PFkKokLpcf7prSjCeXLsJg==",
 			"dev": true,
 			"requires": {
 				"os-tmpdir": "~1.0.1"
@@ -11840,12 +11792,6 @@
 				}
 			}
 		},
-		"to-fast-properties": {
-			"version": "2.0.0",
-			"resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
-			"integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
-			"dev": true
-		},
 		"to-regex-range": {
 			"version": "5.0.1",
 			"resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
diff --git a/package.json b/package.json
index 5fa2b5d87..3d4532c02 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "sortablejs",
 	"exportName": "Sortable",
-	"version": "1.15.6",
+	"version": "1.15.7",
 	"devDependencies": {
 		"@babel/core": "^7.4.4",
 		"@babel/plugin-transform-object-assign": "^7.2.0",

From 48b626bbc61afbb0f179730c1dd3cca3dcc8b788 Mon Sep 17 00:00:00 2001
From: Owen Mills <owenmills@live.ca>
Date: Tue, 24 Mar 2026 22:02:15 +0000
Subject: [PATCH 94/94] #2463: Fix multidrag dragel memory leak

---
 plugins/MultiDrag/MultiDrag.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/plugins/MultiDrag/MultiDrag.js b/plugins/MultiDrag/MultiDrag.js
index 672a38aef..2893af46a 100644
--- a/plugins/MultiDrag/MultiDrag.js
+++ b/plugins/MultiDrag/MultiDrag.js
@@ -469,6 +469,7 @@ function MultiDragPlugin() {
 		nullingGlobal() {
 			this.isMultiDrag =
 			dragStarted = false;
+			dragEl = null;
 			multiDragClones.length = 0;
 		},