diff --git a/firestore-emulator/javascript-quickstart/.firebaserc b/firestore-emulator/javascript-quickstart/.firebaserc
new file mode 100644
index 00000000..0967ef42
--- /dev/null
+++ b/firestore-emulator/javascript-quickstart/.firebaserc
@@ -0,0 +1 @@
+{}
diff --git a/firestore-emulator/javascript-quickstart/.gitignore b/firestore-emulator/javascript-quickstart/.gitignore
new file mode 100644
index 00000000..f6268525
--- /dev/null
+++ b/firestore-emulator/javascript-quickstart/.gitignore
@@ -0,0 +1,65 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+firebase-debug.log*
+
+# Firebase cache
+.firebase/
+
+# Firebase config
+
+# Uncomment this if you'd like others to create their own Firebase project.
+# For a team working on the same Firebase project(s), it is recommended to leave
+# it commented so all members can deploy to the same project(s) in .firebaserc.
+# .firebaserc
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
diff --git a/firestore-emulator/javascript-quickstart/README.md b/firestore-emulator/javascript-quickstart/README.md
deleted file mode 100644
index d5fb61f7..00000000
--- a/firestore-emulator/javascript-quickstart/README.md
+++ /dev/null
@@ -1,43 +0,0 @@
-# Cloud Firestore emulator quickstart
-
-Let's try writing some simple tests for our security rules.
-
-## Setup
-
-### Install Node dependencies
-
-Run `npm install` from this directory, and make sure that you have a recent
-version of the [Firebase CLI tool](https://github.com/firebase/firebase-tools)
-installed (you'll need `firebase --version` to be at least `6.3.0`).
-
-### Running the emulator
-
-Setup the Firestore emulator
-```
-firebase setup:emulators:firestore
-```
-Start the firestore emulator (and leave it running during the tests)
-```
-firebase serve --only firestore
-```
-
-## Running the tests
-
-To run the tests, execute
-```
-npm test
-```
-which runs all the tests in the `tests/` directory.
-
-```
-    ✓ require users to log in before creating a profile (71ms)
-    ✓ should enforce the createdAt date in user profiles (79ms)
-    ✓ should only let users create their own profile (57ms)
-    ✓ should let anyone read any profile (40ms)
-    ✓ should let anyone create a room (44ms)
-    ✓ should force people to name themselves as room owner when creating a room (48ms)
-    ✓ should not let one user steal a room from another user (119ms)
-
-
-  7 passing (607ms)
-```
diff --git a/firestore-emulator/javascript-quickstart/firestore.rules b/firestore-emulator/javascript-quickstart/firestore.rules
deleted file mode 100644
index 7f77702d..00000000
--- a/firestore-emulator/javascript-quickstart/firestore.rules
+++ /dev/null
@@ -1,15 +0,0 @@
-service cloud.firestore {
-  match /databases/{database}/documents {
-    match /users/{userId} {
-      allow read;
-      allow create: if request.auth.uid == userId && request.resource.data.createdAt == request.time;
-    }
-    match /rooms/{roomId} {
-      allow read;
-      // If you create a room, you must set yourself as the owner.
-      allow create: if request.resource.data.owner == request.auth.uid;
-      // Only the room owner is allowed to modify it.
-      allow update: if resource.data.owner == request.auth.uid;
-    }
-  }
-}
diff --git a/firestore-emulator/javascript-quickstart/functions/.gitignore b/firestore-emulator/javascript-quickstart/functions/.gitignore
new file mode 100644
index 00000000..40b878db
--- /dev/null
+++ b/firestore-emulator/javascript-quickstart/functions/.gitignore
@@ -0,0 +1 @@
+node_modules/
\ No newline at end of file
diff --git a/firestore-emulator/javascript-quickstart/functions/index.js b/firestore-emulator/javascript-quickstart/functions/index.js
new file mode 100644
index 00000000..4723cd59
--- /dev/null
+++ b/firestore-emulator/javascript-quickstart/functions/index.js
@@ -0,0 +1,31 @@
+const functions = require('firebase-functions');
+const firebase = require("@firebase/testing");
+
+const onWrite = (change, context) => {
+  const count = change.after.data().value;
+  if (count <= 10) {
+    return change.after.ref.set({ value: count + 1 }, { merge: true });
+  }
+};
+
+/* This should not be needed once functions SDK parses data correctly. */
+const onWriteWithParsingHack = (data, context) => {
+  console.log(data);
+  const [_, projectId, __, databaseId, ___, collId, docId] =
+    data.value.name.split('/');
+  const db = firebase.initializeTestApp({ projectId, auth: null }).firestore();
+
+  const change = {
+    after: {
+      ref: db.collection(collId).doc(docId),
+      data() {
+        return {value: parseInt(data.value.fields.value.integerValue)};
+      },
+    }
+  }
+  return onWrite(change, context);
+};
+
+exports.increment = functions.firestore
+    .document('counters/{counterId}')
+    .onWrite(onWriteWithParsingHack);
diff --git a/firestore-emulator/javascript-quickstart/functions/package.json b/firestore-emulator/javascript-quickstart/functions/package.json
new file mode 100644
index 00000000..d300d506
--- /dev/null
+++ b/firestore-emulator/javascript-quickstart/functions/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "functions",
+  "description": "Cloud Functions for Firebase",
+  "scripts": {
+    "serve": "firebase serve --only functions",
+    "shell": "firebase functions:shell",
+    "start": "npm run shell",
+    "deploy": "firebase deploy --only functions",
+    "logs": "firebase functions:log"
+  },
+  "dependencies": {
+    "firebase-admin": "~7.0.0",
+    "firebase-functions": "^2.2.0"
+  },
+  "private": true
+}
diff --git a/firestore-emulator/javascript-quickstart/main.js b/firestore-emulator/javascript-quickstart/main.js
new file mode 100644
index 00000000..e1f555a3
--- /dev/null
+++ b/firestore-emulator/javascript-quickstart/main.js
@@ -0,0 +1,51 @@
+const firebase = require("@firebase/testing");
+
+const projectId = "firestore-emulator-example";
+async function main() {
+  console.log("starting");
+  await firebase.clearFirestoreData({ projectId });
+  await uploadFunctions();
+
+  console.log("cleared db");
+  const db = firebase.initializeTestApp({ projectId, auth: null }).firestore();
+  const doc = await db.collection("counters").add({ value: 0 });
+  console.log(`initialized ${doc.id} to 0, waiting for it to increment...`);
+
+  await new Promise(resolve => {
+    doc.onSnapshot(snap => {
+        console.log("snap = ", snap.data());
+        if (snap.data().value >= 10) {
+            resolve();
+        }
+    });
+  });
+}
+
+main().catch(err => {
+  console.error(err);
+}).then(() => {
+  firebase.apps().forEach(app => app.delete());
+});
+
+async function uploadFunctions() {
+  console.log("TODO: actually upload function triggers...");
+  await fetch(
+    `http://127.0.0.1:8080/emulator/v1/projects/${projectId}/triggers/increment`,
+    {
+      method: 'PUT',
+      body: JSON.stringify({
+        eventTrigger: {
+          "resource": `projects/${projectId}/databases/(default)/documents/counters/{counterId}`,
+          "eventType": "providers/cloud.firestore/eventTypes/document.write",
+          "service": "firestore.googleapis.com",
+        },
+      }),
+      headers: { 'Content-Type': 'application/json' },
+    }
+  ).then(
+    (res) => res.json()
+  ).then(
+    (json) => console.log(json)
+  );
+  return Promise.resolve(null);
+}
diff --git a/firestore-emulator/javascript-quickstart/package-lock.json b/firestore-emulator/javascript-quickstart/package-lock.json
new file mode 100644
index 00000000..558184d9
--- /dev/null
+++ b/firestore-emulator/javascript-quickstart/package-lock.json
@@ -0,0 +1,1671 @@
+{
+  "name": "cloud-firestore-emulator-javascript-quickstart",
+  "version": "1.0.1",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@firebase/app": {
+      "version": "0.3.8",
+      "resolved": "https://registry.npmjs.org/@firebase/app/-/app-0.3.8.tgz",
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+      "dev": true,
+      "requires": {
+        "@firebase/app-types": "0.3.3",
+        "@firebase/util": "0.2.6",
+        "dom-storage": "2.1.0",
+        "tslib": "1.9.0",
+        "xmlhttprequest": "1.8.0"
+      }
+    },
+    "@firebase/app-types": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.3.3.tgz",
+      "integrity": "sha512-mMcYitdEdzKOzEevHtECVepiqncSZBxRdI9r/LcJfx5ai4529UufpoLz15CnKLHEqkSB3OQqlZbI78xpZNQPPA==",
+      "dev": true
+    },
+    "@firebase/auth": {
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+      "resolved": "https://registry.npmjs.org/@firebase/auth/-/auth-0.9.2.tgz",
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+      "dev": true,
+      "requires": {
+        "@firebase/auth-types": "0.5.1"
+      }
+    },
+    "@firebase/auth-types": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/@firebase/auth-types/-/auth-types-0.5.1.tgz",
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+      "dev": true
+    },
+    "@firebase/database": {
+      "version": "0.3.11",
+      "resolved": "https://registry.npmjs.org/@firebase/database/-/database-0.3.11.tgz",
+      "integrity": "sha512-hKqvFEJta1mvY3DIyYOgRQ+CoEZtdJIQT0fw8oyIath8kfpqOdCdnW4/AIQCAXGo5Ov1A5YXHxcNSnW7MuWHAw==",
+      "dev": true,
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+        "@firebase/logger": "0.1.5",
+        "@firebase/util": "0.2.6",
+        "faye-websocket": "0.11.1",
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+      }
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+      "dev": true,
+      "requires": {
+        "@firebase/firestore-types": "1.0.1",
+        "@firebase/logger": "0.1.5",
+        "@firebase/webchannel-wrapper": "0.2.12",
+        "grpc": "1.17.0",
+        "tslib": "1.9.0"
+      }
+    },
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+        "decamelize": "^1.1.1",
+        "os-locale": "^1.4.0",
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+}
diff --git a/firestore-emulator/javascript-quickstart/package.json b/firestore-emulator/javascript-quickstart/package.json
index c50c639c..b23ee582 100644
--- a/firestore-emulator/javascript-quickstart/package.json
+++ b/firestore-emulator/javascript-quickstart/package.json
@@ -11,5 +11,8 @@
     "filesystem": "1.0.1",
     "mocha": "5.2.0",
     "prettier": "1.15.2"
+  },
+  "dependencies": {
+    "node-fetch": "^2.3.0"
   }
 }
diff --git a/firestore-emulator/javascript-quickstart/test/test.js b/firestore-emulator/javascript-quickstart/test/test.js
deleted file mode 100644
index 9c808728..00000000
--- a/firestore-emulator/javascript-quickstart/test/test.js
+++ /dev/null
@@ -1,143 +0,0 @@
-const firebase = require("@firebase/testing");
-const fs = require("fs");
-
-/*
- * ============
- *    Setup
- * ============
- */
-const projectName = "firestore-emulator-example";
-const coverageUrl = `http://localhost:8080/emulator/v1/projects/${projectName}:ruleCoverage.html`;
-
-const rules = fs.readFileSync("firestore.rules", "utf8");
-
-/**
- * Creates a new app with authentication data matching the input.
- *
- * @param {object} auth the object to use for authentication (typically {uid: some-uid})
- * @return {object} the app.
- */
-function authedApp(auth) {
-  return firebase
-    .initializeTestApp({ projectId: projectName, auth })
-    .firestore();
-}
-
-/*
- * ============
- *  Test Cases
- * ============
- */
-beforeEach(async () => {
-  // Clear the database between tests
-  await firebase.clearFirestoreData({
-    projectId: projectName
-  });
-});
-
-before(async () => {
-  await firebase.loadFirestoreRules({
-    projectId: projectName,
-    rules: rules
-  });
-});
-
-after(async () => {
-  await Promise.all(firebase.apps().map(app => app.delete()));
-  console.log(`View rule coverage information at ${coverageUrl}\n`);
-});
-
-describe("My app", () => {
-  it("require users to log in before creating a profile", async () => {
-    const db = authedApp(null);
-    const profile = db.collection("users").doc("alice");
-    await firebase.assertFails(profile.set({ birthday: "January 1" }));
-  });
-
-  it("should enforce the createdAt date in user profiles", async () => {
-    const db = authedApp({ uid: "alice" });
-    const profile = db.collection("users").doc("alice");
-    await firebase.assertFails(profile.set({ birthday: "January 1" }));
-    await firebase.assertSucceeds(
-      profile.set({
-        birthday: "January 1",
-        createdAt: firebase.firestore.FieldValue.serverTimestamp()
-      })
-    );
-  });
-
-  it("should only let users create their own profile", async () => {
-    const db = authedApp({ uid: "alice" });
-    await firebase.assertSucceeds(
-      db
-        .collection("users")
-        .doc("alice")
-        .set({
-          birthday: "January 1",
-          createdAt: firebase.firestore.FieldValue.serverTimestamp()
-        })
-    );
-    await firebase.assertFails(
-      db
-        .collection("users")
-        .doc("bob")
-        .set({
-          birthday: "January 1",
-          createdAt: firebase.firestore.FieldValue.serverTimestamp()
-        })
-    );
-  });
-
-  it("should let anyone read any profile", async () => {
-    const db = authedApp(null);
-    const profile = db.collection("users").doc("alice");
-    await firebase.assertSucceeds(profile.get());
-  });
-
-  it("should let anyone create a room", async () => {
-    const db = authedApp({ uid: "alice" });
-    const room = db.collection("rooms").doc("firebase");
-    await firebase.assertSucceeds(
-      room.set({
-        owner: "alice",
-        topic: "All Things Firebase"
-      })
-    );
-  });
-
-  it("should force people to name themselves as room owner when creating a room", async () => {
-    const db = authedApp({ uid: "alice" });
-    const room = db.collection("rooms").doc("firebase");
-    await firebase.assertFails(
-      room.set({
-        owner: "scott",
-        topic: "Firebase Rocks!"
-      })
-    );
-  });
-
-  it("should not let one user steal a room from another user", async () => {
-    const alice = authedApp({ uid: "alice" });
-    const bob = authedApp({ uid: "bob" });
-
-    await firebase.assertSucceeds(
-      bob
-        .collection("rooms")
-        .doc("snow")
-        .set({
-          owner: "bob",
-          topic: "All Things Snowboarding"
-        })
-    );
-
-    await firebase.assertFails(
-      alice
-        .collection("rooms")
-        .doc("snow")
-        .set({
-          owner: "alice",
-          topic: "skiing > snowboarding"
-        })
-    );
-  });
-});