From f2c5d8f53f1e372ac20e81fac105b5e2e638c032 Mon Sep 17 00:00:00 2001
From: Forevka <32968153+Forevka@users.noreply.github.com>
Date: Wed, 5 Jun 2024 22:16:44 +0000
Subject: [PATCH] init

---
 package-lock.json                         | 1132 +++++++++++++++++++++
 package.json                              |    2 +
 src/App.jsx                               |   21 +-
 src/FlowChartEditor/ButtonEdge.jsx        |   56 +
 src/FlowChartEditor/ColorSelectorNode.jsx |   34 +
 src/FlowChartEditor/EndNode.jsx           |   15 +
 src/FlowChartEditor/FlowChartEditor.jsx   |  170 ++++
 src/FlowChartEditor/OneToOneHandle.jsx    |   36 +
 src/FlowChartEditor/StartNode.jsx         |   19 +
 9 files changed, 1466 insertions(+), 19 deletions(-)
 create mode 100644 src/FlowChartEditor/ButtonEdge.jsx
 create mode 100644 src/FlowChartEditor/ColorSelectorNode.jsx
 create mode 100644 src/FlowChartEditor/EndNode.jsx
 create mode 100644 src/FlowChartEditor/FlowChartEditor.jsx
 create mode 100644 src/FlowChartEditor/OneToOneHandle.jsx
 create mode 100644 src/FlowChartEditor/StartNode.jsx

diff --git a/package-lock.json b/package-lock.json
index 3e8a2ee48..a8fcb0bc9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,8 @@
         "@testing-library/user-event": "^14.4.3",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
+        "react-flow-renderer": "^10.3.17",
+        "reactflow": "^11.11.3",
         "web-vitals": "^3.1.0"
       },
       "devDependencies": {
@@ -1011,6 +1013,264 @@
         "@jridgewell/sourcemap-codec": "1.4.14"
       }
     },
+    "node_modules/@reactflow/background": {
+      "version": "11.3.13",
+      "resolved": "https://registry.npmjs.org/@reactflow/background/-/background-11.3.13.tgz",
+      "integrity": "sha512-hkvpVEhgvfTDyCvdlitw4ioKCYLaaiRXnuEG+1QM3Np+7N1DiWF1XOv5I8AFyNoJL07yXEkbECUTsHvkBvcG5A==",
+      "dependencies": {
+        "@reactflow/core": "11.11.3",
+        "classcat": "^5.0.3",
+        "zustand": "^4.4.1"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/@reactflow/background/node_modules/zustand": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.2.tgz",
+      "integrity": "sha512-2cN1tPkDVkwCy5ickKrI7vijSjPksFRfqS6237NzT0vqSsztTNnQdHw9mmN7uBdk3gceVXU0a+21jFzFzAc9+g==",
+      "dependencies": {
+        "use-sync-external-store": "1.2.0"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@reactflow/controls": {
+      "version": "11.2.13",
+      "resolved": "https://registry.npmjs.org/@reactflow/controls/-/controls-11.2.13.tgz",
+      "integrity": "sha512-3xgEg6ALIVkAQCS4NiBjb7ad8Cb3D8CtA7Vvl4Hf5Ar2PIVs6FOaeft9s2iDZGtsWP35ECDYId1rIFVhQL8r+A==",
+      "dependencies": {
+        "@reactflow/core": "11.11.3",
+        "classcat": "^5.0.3",
+        "zustand": "^4.4.1"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/@reactflow/controls/node_modules/zustand": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.2.tgz",
+      "integrity": "sha512-2cN1tPkDVkwCy5ickKrI7vijSjPksFRfqS6237NzT0vqSsztTNnQdHw9mmN7uBdk3gceVXU0a+21jFzFzAc9+g==",
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+      },
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+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
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+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@reactflow/core": {
+      "version": "11.11.3",
+      "resolved": "https://registry.npmjs.org/@reactflow/core/-/core-11.11.3.tgz",
+      "integrity": "sha512-+adHdUa7fJSEM93fWfjQwyWXeI92a1eLKwWbIstoCakHpL8UjzwhEh6sn+mN2h/59MlVI7Ehr1iGTt3MsfcIFA==",
+      "dependencies": {
+        "@types/d3": "^7.4.0",
+        "@types/d3-drag": "^3.0.1",
+        "@types/d3-selection": "^3.0.3",
+        "@types/d3-zoom": "^3.0.1",
+        "classcat": "^5.0.3",
+        "d3-drag": "^3.0.0",
+        "d3-selection": "^3.0.0",
+        "d3-zoom": "^3.0.0",
+        "zustand": "^4.4.1"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/@reactflow/core/node_modules/zustand": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.2.tgz",
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+      "dependencies": {
+        "use-sync-external-store": "1.2.0"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@reactflow/minimap": {
+      "version": "11.7.13",
+      "resolved": "https://registry.npmjs.org/@reactflow/minimap/-/minimap-11.7.13.tgz",
+      "integrity": "sha512-m2MvdiGSyOu44LEcERDEl1Aj6x//UQRWo3HEAejNU4HQTlJnYrSN8tgrYF8TxC1+c/9UdyzQY5VYgrTwW4QWdg==",
+      "dependencies": {
+        "@reactflow/core": "11.11.3",
+        "@types/d3-selection": "^3.0.3",
+        "@types/d3-zoom": "^3.0.1",
+        "classcat": "^5.0.3",
+        "d3-selection": "^3.0.0",
+        "d3-zoom": "^3.0.0",
+        "zustand": "^4.4.1"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/@reactflow/minimap/node_modules/zustand": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.2.tgz",
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+        "use-sync-external-store": "1.2.0"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@reactflow/node-resizer": {
+      "version": "2.2.13",
+      "resolved": "https://registry.npmjs.org/@reactflow/node-resizer/-/node-resizer-2.2.13.tgz",
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+      "dependencies": {
+        "@reactflow/core": "11.11.3",
+        "classcat": "^5.0.4",
+        "d3-drag": "^3.0.0",
+        "d3-selection": "^3.0.0",
+        "zustand": "^4.4.1"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/@reactflow/node-resizer/node_modules/zustand": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.2.tgz",
+      "integrity": "sha512-2cN1tPkDVkwCy5ickKrI7vijSjPksFRfqS6237NzT0vqSsztTNnQdHw9mmN7uBdk3gceVXU0a+21jFzFzAc9+g==",
+      "dependencies": {
+        "use-sync-external-store": "1.2.0"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@reactflow/node-toolbar": {
+      "version": "1.3.13",
+      "resolved": "https://registry.npmjs.org/@reactflow/node-toolbar/-/node-toolbar-1.3.13.tgz",
+      "integrity": "sha512-aknvNICO10uWdthFSpgD6ctY/CTBeJUMV9co8T9Ilugr08Nb89IQ4uD0dPmr031ewMQxixtYIkw+sSDDzd2aaQ==",
+      "dependencies": {
+        "@reactflow/core": "11.11.3",
+        "classcat": "^5.0.3",
+        "zustand": "^4.4.1"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/@reactflow/node-toolbar/node_modules/zustand": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-4.5.2.tgz",
+      "integrity": "sha512-2cN1tPkDVkwCy5ickKrI7vijSjPksFRfqS6237NzT0vqSsztTNnQdHw9mmN7uBdk3gceVXU0a+21jFzFzAc9+g==",
+      "dependencies": {
+        "use-sync-external-store": "1.2.0"
+      },
+      "engines": {
+        "node": ">=12.7.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=16.8",
+        "immer": ">=9.0.6",
+        "react": ">=16.8"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@testing-library/dom": {
       "version": "8.19.1",
       "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-8.19.1.tgz",
@@ -1161,6 +1421,233 @@
         "@types/chai": "*"
       }
     },
+    "node_modules/@types/d3": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@types/d3/-/d3-7.4.3.tgz",
+      "integrity": "sha512-lZXZ9ckh5R8uiFVt8ogUNf+pIrK4EsWrx2Np75WvF/eTpJ0FMHNhjXk8CKEx/+gpHbNQyJWehbFaTvqmHWB3ww==",
+      "dependencies": {
+        "@types/d3-array": "*",
+        "@types/d3-axis": "*",
+        "@types/d3-brush": "*",
+        "@types/d3-chord": "*",
+        "@types/d3-color": "*",
+        "@types/d3-contour": "*",
+        "@types/d3-delaunay": "*",
+        "@types/d3-dispatch": "*",
+        "@types/d3-drag": "*",
+        "@types/d3-dsv": "*",
+        "@types/d3-ease": "*",
+        "@types/d3-fetch": "*",
+        "@types/d3-force": "*",
+        "@types/d3-format": "*",
+        "@types/d3-geo": "*",
+        "@types/d3-hierarchy": "*",
+        "@types/d3-interpolate": "*",
+        "@types/d3-path": "*",
+        "@types/d3-polygon": "*",
+        "@types/d3-quadtree": "*",
+        "@types/d3-random": "*",
+        "@types/d3-scale": "*",
+        "@types/d3-scale-chromatic": "*",
+        "@types/d3-selection": "*",
+        "@types/d3-shape": "*",
+        "@types/d3-time": "*",
+        "@types/d3-time-format": "*",
+        "@types/d3-timer": "*",
+        "@types/d3-transition": "*",
+        "@types/d3-zoom": "*"
+      }
+    },
+    "node_modules/@types/d3-array": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/@types/d3-array/-/d3-array-3.2.1.tgz",
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+    "node_modules/@types/d3-axis": {
+      "version": "3.0.6",
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+      "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-3.0.0.tgz",
+      "integrity": "sha512-fmTRWbNMmsmWq6xJV8D19U/gw/bwrHfNXxrIN+HfZgnzqTHp9jOmKMhsTUjXOJnZOdZY9Q28y4yebKzqDKlxlQ=="
+    },
+    "d3-timer": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-timer/-/d3-timer-3.0.1.tgz",
+      "integrity": "sha512-ndfJ/JxxMd3nw31uyKoY2naivF+r29V+Lc0svZxe1JvvIRmi8hUsrMvdOwgS1o6uBHmiz91geQ0ylPP0aj1VUA=="
+    },
+    "d3-transition": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/d3-transition/-/d3-transition-3.0.1.tgz",
+      "integrity": "sha512-ApKvfjsSR6tg06xrL434C0WydLr7JewBB3V+/39RMHsaXTOG0zmt/OAXeng5M5LBm0ojmxJrpomQVZ1aPvBL4w==",
+      "requires": {
+        "d3-color": "1 - 3",
+        "d3-dispatch": "1 - 3",
+        "d3-ease": "1 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-timer": "1 - 3"
+      }
+    },
+    "d3-zoom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/d3-zoom/-/d3-zoom-3.0.0.tgz",
+      "integrity": "sha512-b8AmV3kfQaqWAuacbPuNbL6vahnOJflOhexLzMMNLga62+/nh0JzvJ0aO/5a5MVgUFGS7Hu1P9P03o3fJkDCyw==",
+      "requires": {
+        "d3-dispatch": "1 - 3",
+        "d3-drag": "2 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-selection": "2 - 3",
+        "d3-transition": "2 - 3"
+      }
+    },
     "data-urls": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/data-urls/-/data-urls-4.0.0.tgz",
@@ -5892,11 +6984,39 @@
         "scheduler": "^0.23.0"
       }
     },
+    "react-flow-renderer": {
+      "version": "10.3.17",
+      "resolved": "https://registry.npmjs.org/react-flow-renderer/-/react-flow-renderer-10.3.17.tgz",
+      "integrity": "sha512-bywiqVErlh5kCDqw3x0an5Ur3mT9j9CwJsDwmhmz4i1IgYM1a0SPqqEhClvjX+s5pU4nHjmVaGXWK96pwsiGcQ==",
+      "requires": {
+        "@babel/runtime": "^7.18.9",
+        "@types/d3": "^7.4.0",
+        "@types/resize-observer-browser": "^0.1.7",
+        "classcat": "^5.0.3",
+        "d3-drag": "^3.0.0",
+        "d3-selection": "^3.0.0",
+        "d3-zoom": "^3.0.0",
+        "zustand": "^3.7.2"
+      }
+    },
     "react-is": {
       "version": "17.0.2",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz",
       "integrity": "sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w=="
     },
+    "reactflow": {
+      "version": "11.11.3",
+      "resolved": "https://registry.npmjs.org/reactflow/-/reactflow-11.11.3.tgz",
+      "integrity": "sha512-wusd1Xpn1wgsSEv7UIa4NNraCwH9syBtubBy4xVNXg3b+CDKM+sFaF3hnMx0tr0et4km9urIDdNvwm34QiZong==",
+      "requires": {
+        "@reactflow/background": "11.3.13",
+        "@reactflow/controls": "11.2.13",
+        "@reactflow/core": "11.11.3",
+        "@reactflow/minimap": "11.7.13",
+        "@reactflow/node-resizer": "2.2.13",
+        "@reactflow/node-toolbar": "1.3.13"
+      }
+    },
     "redent": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/redent/-/redent-3.0.0.tgz",
@@ -6180,6 +7300,12 @@
         "requires-port": "^1.0.0"
       }
     },
+    "use-sync-external-store": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.2.0.tgz",
+      "integrity": "sha512-eEgnFxGQ1Ife9bzYs6VLi8/4X6CObHMw9Qr9tPY43iKwsPw8xE8+EFsf/2cFZ5S3esXgpWgtSCtLNS41F+sKPA==",
+      "requires": {}
+    },
     "vite": {
       "version": "4.5.3",
       "resolved": "https://registry.npmjs.org/vite/-/vite-4.5.3.tgz",
@@ -6387,6 +7513,12 @@
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
       "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
       "dev": true
+    },
+    "zustand": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-3.7.2.tgz",
+      "integrity": "sha512-PIJDIZKtokhof+9+60cpockVOq05sJzHCriyvaLBmEJixseQ1a5Kdov6fWZfWOu5SK9c+FhH1jU0tntLxRJYMA==",
+      "requires": {}
     }
   }
 }
diff --git a/package.json b/package.json
index 4038a6257..2049e988c 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,8 @@
     "@testing-library/user-event": "^14.4.3",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
+    "react-flow-renderer": "^10.3.17",
+    "reactflow": "^11.11.3",
     "web-vitals": "^3.1.0"
   },
   "overrides": {
diff --git a/src/App.jsx b/src/App.jsx
index 8b32d0718..be0afac6e 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -1,27 +1,10 @@
 import './App.css';
+import FlowChartEditor from './FlowChartEditor/FlowChartEditor';
 
 function App() {
   return (
     <div className="App">
-      <header className="App-header">
-        <img src="Octocat.png" className="App-logo" alt="logo" />
-        <p>
-          GitHub Codespaces <span className="heart">♥️</span> React
-        </p>
-        <p className="small">
-          Edit <code>src/App.jsx</code> and save to reload.
-        </p>
-        <p>
-          <a
-            className="App-link"
-            href="https://reactjs.org"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Learn React
-          </a>
-        </p>
-      </header>
+      <FlowChartEditor/>
     </div>
   );
 }
diff --git a/src/FlowChartEditor/ButtonEdge.jsx b/src/FlowChartEditor/ButtonEdge.jsx
new file mode 100644
index 000000000..a8ebdf618
--- /dev/null
+++ b/src/FlowChartEditor/ButtonEdge.jsx
@@ -0,0 +1,56 @@
+import React from 'react';
+import {
+  BaseEdge,
+  EdgeLabelRenderer,
+  getBezierPath,
+  useReactFlow,
+} from 'reactflow';
+
+export default function ButtonEdge({
+  id,
+  sourceX,
+  sourceY,
+  targetX,
+  targetY,
+  sourcePosition,
+  targetPosition,
+  style = {},
+  markerEnd,
+}) {
+  const { setEdges } = useReactFlow();
+  const [edgePath, labelX, labelY] = getBezierPath({
+    sourceX,
+    sourceY,
+    sourcePosition,
+    targetX,
+    targetY,
+    targetPosition,
+  });
+
+  const onEdgeClick = () => {
+    setEdges((edges) => edges.filter((edge) => edge.id !== id));
+  };
+
+  return (
+    <>
+      <BaseEdge path={edgePath} markerEnd={markerEnd} style={style} />
+      <EdgeLabelRenderer>
+        <div
+          style={{
+            position: 'absolute',
+            transform: `translate(-50%, -50%) translate(${labelX}px,${labelY}px)`,
+            fontSize: 12,
+            // everything inside EdgeLabelRenderer has no pointer events by default
+            // if you have an interactive element, set pointer-events: all
+            pointerEvents: 'all',
+          }}
+          className="nodrag nopan"
+        >
+          <button className="edgebutton" onClick={onEdgeClick}>
+            ×
+          </button>
+        </div>
+      </EdgeLabelRenderer>
+    </>
+  );
+}
diff --git a/src/FlowChartEditor/ColorSelectorNode.jsx b/src/FlowChartEditor/ColorSelectorNode.jsx
new file mode 100644
index 000000000..dce785f04
--- /dev/null
+++ b/src/FlowChartEditor/ColorSelectorNode.jsx
@@ -0,0 +1,34 @@
+import React, { memo } from 'react';
+import { Handle, Position } from 'reactflow';
+
+export default memo(({ data, isConnectable }) => {
+  return (
+    <>
+      <Handle
+        type="target"
+        position={Position.Left}
+        style={{ background: '#555' }}
+        onConnect={(params) => console.log('handle onConnect', params)}
+        isConnectable={isConnectable}
+      />
+      <div>
+        Custom Color Picker Node: <strong>{data.color}</strong>
+      </div>
+      <input className="nodrag" type="color" onChange={data.onChange} defaultValue={data.color} />
+      <Handle
+        type="source"
+        position={Position.Right}
+        id="a"
+        style={{ top: 10, background: '#555' }}
+        isConnectable={isConnectable}
+      />
+      <Handle
+        type="source"
+        position={Position.Right}
+        id="b"
+        style={{ bottom: 10, top: 'auto', background: '#555' }}
+        isConnectable={isConnectable}
+      />
+    </>
+  );
+});
diff --git a/src/FlowChartEditor/EndNode.jsx b/src/FlowChartEditor/EndNode.jsx
new file mode 100644
index 000000000..9b3026fa3
--- /dev/null
+++ b/src/FlowChartEditor/EndNode.jsx
@@ -0,0 +1,15 @@
+import React, { memo } from 'react';
+import { Position } from 'reactflow';
+import OneToOneHandle from './OneToOneHandle';
+
+const EndNode = () => {
+    return (
+        <div style={{ background: 'white', padding: 16, border: '1px solid black' }}>
+            <OneToOneHandle type="target" 
+                id="targetEnd" position={Position.Left} isConnectable={1} />
+            <div>End</div>
+        </div>
+    );
+};
+
+export default memo(EndNode);
diff --git a/src/FlowChartEditor/FlowChartEditor.jsx b/src/FlowChartEditor/FlowChartEditor.jsx
new file mode 100644
index 000000000..f6271e1bc
--- /dev/null
+++ b/src/FlowChartEditor/FlowChartEditor.jsx
@@ -0,0 +1,170 @@
+import React, { useState, useEffect, useCallback } from 'react';
+import ReactFlow, { useNodesState, useEdgesState, addEdge, MiniMap, Controls } from 'reactflow';
+import 'reactflow/dist/style.css';
+
+import ColorSelectorNode from './ColorSelectorNode';
+
+import { ReactFlowProvider } from 'reactflow';
+import EndNode from './EndNode';
+import StartNode from './StartNode';
+
+import ButtonEdge from './ButtonEdge';
+
+const initBgColor = '#1A192B';
+
+const connectionLineStyle = { stroke: '#fff' };
+
+const snapGrid = [20, 20];
+
+const edgeTypes = {
+  buttonedge: ButtonEdge,
+};
+
+const nodeTypes = {
+  end: EndNode,
+  start: StartNode,
+  selectorNode: ColorSelectorNode,
+};
+
+const defaultViewport = { x: 0, y: 0, zoom: 1.5 };
+
+const initialNodes = [
+  {
+    id: 'start',
+    type: 'start',
+    data: { },
+    position: { x: 0, y: 50 },
+  },
+  {
+    id: 'end',
+    type: 'end',
+    data: { },
+    position: { x: 650, y: 25 },
+    targetPosition: 'left',
+  },
+  /*{
+    id: '3',
+    type: 'output',
+    data: { label: 'Output A' },
+    position: { x: 650, y: 25 },
+    targetPosition: 'left',
+  },
+  {
+    id: '4',
+    type: 'output',
+    data: { label: 'Output B' },
+    position: { x: 650, y: 100 },
+    targetPosition: 'left',
+  },*/
+];
+
+const initialEdges = [
+  {
+    id: 'start-end',
+    source: 'start',
+    target: 'end',
+    animated: true,
+    type: 'buttonedge',
+    style: { stroke: '#fff' },
+  },
+  /*{
+    id: 'e2a-3',
+    source: '2',
+    target: '3',
+    sourceHandle: 'a',
+    animated: true,
+    style: { stroke: '#fff' },
+  },
+  {
+    id: 'e2b-4',
+    source: '2',
+    target: '4',
+    sourceHandle: 'b',
+    animated: true,
+    style: { stroke: '#fff' },
+  },*/
+];
+
+const CustomNodeFlow = () => {
+  const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
+  const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
+  const [bgColor, setBgColor] = useState(initBgColor);
+  
+
+  useEffect(() => {
+    /*const onChange = (event) => {
+      setNodes((nds) =>
+        nds.map((node) => {
+          if (node.id !== '2') {
+            return node;
+          }
+
+          const color = event.target.value;
+
+          setBgColor(color);
+
+          return {
+            ...node,
+            data: {
+              ...node.data,
+              color,
+            },
+          };
+        })
+      );
+    };*/
+
+    setNodes(nodes);
+
+    setEdges(edges);
+  }, []);
+
+  const onConnect = useCallback(
+    (params) =>
+      setEdges((eds) => addEdge({ ...params, animated: true, style: { stroke: '#fff' }, type: 'buttonedge' }, eds)),
+    []
+  );
+
+  return (
+    <ReactFlowProvider>
+      <div style={{ width: '100%', height: '100vh' }}>
+        <ReactFlow 
+          nodes={nodes}
+          edges={edges}
+
+          onNodesChange={onNodesChange}
+          onEdgesChange={onEdgesChange}
+          onConnect={onConnect}
+
+          style={{ background: bgColor }}
+
+          nodeTypes={nodeTypes}
+          edgeTypes={edgeTypes}
+
+          connectionLineStyle={connectionLineStyle}
+          
+          snapToGrid={true}
+          snapGrid={snapGrid}
+          defaultViewport={defaultViewport}
+          fitView
+          attributionPosition="bottom-left"
+        >
+          <MiniMap
+            nodeStrokeColor={(n) => {
+              if (n.type === 'input') return '#0041d0';
+              if (n.type === 'selectorNode') return bgColor;
+              if (n.type === 'output') return '#ff0072';
+            }}
+            nodeColor={(n) => {
+              if (n.type === 'selectorNode') return bgColor;
+              return '#fff';
+            }}
+          />
+          <Controls />
+        </ReactFlow>
+      </div>
+    </ReactFlowProvider>
+  );
+};
+
+export default CustomNodeFlow;
diff --git a/src/FlowChartEditor/OneToOneHandle.jsx b/src/FlowChartEditor/OneToOneHandle.jsx
new file mode 100644
index 000000000..5e1637368
--- /dev/null
+++ b/src/FlowChartEditor/OneToOneHandle.jsx
@@ -0,0 +1,36 @@
+import React, { useMemo } from 'react';
+import { getConnectedEdges, Handle, useNodeId, useStore } from 'reactflow';
+
+const selector = (s) => ({
+    nodeInternals: s.nodeInternals,
+    edges: s.edges,
+});
+
+const OneToOneHandle = (props) => {
+    const { nodeInternals, edges } = useStore(selector);
+    const nodeId = useNodeId();
+
+    const isHandleConnectable = useMemo(() => {
+        if (typeof props.isConnectable === 'function') {
+            const node = nodeInternals.get(nodeId);
+            const connectedEdges = getConnectedEdges([node], edges);
+
+            return props.isConnectable({ node, connectedEdges });
+        }
+
+        if (typeof props.isConnectable === 'number') {
+            const node = nodeInternals.get(nodeId);
+            const connectedEdges = getConnectedEdges([node], edges);
+
+            return connectedEdges.length < props.isConnectable;
+        }
+
+        return props.isConnectable;
+    }, [nodeInternals, edges, nodeId, props.isConnectable]);
+
+    return (
+        <Handle {...props} isConnectable={isHandleConnectable}></Handle>
+    );
+};
+
+export default OneToOneHandle;
diff --git a/src/FlowChartEditor/StartNode.jsx b/src/FlowChartEditor/StartNode.jsx
new file mode 100644
index 000000000..ea4d8de2a
--- /dev/null
+++ b/src/FlowChartEditor/StartNode.jsx
@@ -0,0 +1,19 @@
+import React, { memo } from 'react';
+import { Position } from 'reactflow';
+import OneToOneHandle from './OneToOneHandle';
+
+const StartNode = () => {
+    return (
+        <div style={{ background: 'white', padding: 16, border: '1px solid black' }}>
+            <OneToOneHandle 
+                type="source" 
+                id="sourceStart"
+                position={Position.Right} 
+                isConnectable={1} 
+            />
+            <div>Start</div>
+        </div>
+    );
+};
+
+export default memo(StartNode);