From a817eb1cebf296495099e67a7939e7a09f0e5b48 Mon Sep 17 00:00:00 2001
From: cudr <codefaster@yandex.ru>
Date: Sat, 5 Oct 2019 11:44:49 +0300
Subject: [PATCH] initial commit

---
 .gitignore                                 |  11 ++
 .prettierrc                                |   6 +
 lerna.json                                 |  11 ++
 package.json                               |  35 +++++
 packages/backend/.babelrc                  |  18 +++
 packages/backend/.npmrc                    |   1 +
 packages/backend/package.json              |  38 ++++++
 packages/backend/src/Connection.ts         | 147 +++++++++++++++++++++
 packages/backend/src/index.ts              |   3 +
 packages/backend/src/model.ts              |  17 +++
 packages/backend/src/utils/defaultValue.ts |  21 +++
 packages/backend/src/utils/index.ts        |  13 ++
 packages/backend/tsconfig.json             |  10 ++
 packages/bridge/.babelrc                   |   7 +
 packages/bridge/.npmrc                     |   1 +
 packages/bridge/package.json               |  31 +++++
 packages/bridge/src/apply/annotation.ts    |  17 +++
 packages/bridge/src/apply/index.ts         |  36 +++++
 packages/bridge/src/apply/mark.ts          |  72 ++++++++++
 packages/bridge/src/apply/node.ts          | 107 +++++++++++++++
 packages/bridge/src/apply/text.ts          |  24 ++++
 packages/bridge/src/convert/create.ts      |   9 ++
 packages/bridge/src/convert/index.ts       |  34 +++++
 packages/bridge/src/convert/insert.ts      |  51 +++++++
 packages/bridge/src/convert/remove.ts      |  49 +++++++
 packages/bridge/src/convert/set.ts         |  16 +++
 packages/bridge/src/index.ts               |   3 +
 packages/bridge/src/model/automerge.ts     |   3 +
 packages/bridge/src/model/index.ts         |   2 +
 packages/bridge/src/model/slate.ts         |   8 ++
 packages/bridge/src/path/index.ts          |  38 ++++++
 packages/bridge/src/utils/index.ts         |   9 ++
 packages/bridge/src/utils/toSync.ts        |  33 +++++
 packages/bridge/tsconfig.json              |  10 ++
 packages/client/.babelrc                   |   7 +
 packages/client/.npmrc                     |   1 +
 packages/client/package.json               |  41 ++++++
 packages/client/src/Connection.ts          | 141 ++++++++++++++++++++
 packages/client/src/Controller.tsx         |  64 +++++++++
 packages/client/src/index.ts               |  29 ++++
 packages/client/src/model.ts               |  20 +++
 packages/client/src/onChange.ts            |  11 ++
 packages/client/src/renderEditor.tsx       |  21 +++
 packages/client/tsconfig.json              |  12 ++
 packages/example/.gitignore                |  23 ++++
 packages/example/package.json              |  51 +++++++
 packages/example/public/favicon.ico        | Bin 0 -> 16958 bytes
 packages/example/public/index.html         |  20 +++
 packages/example/public/logo192.png        | Bin 0 -> 19315 bytes
 packages/example/public/logo512.png        | Bin 0 -> 26578 bytes
 packages/example/public/manifest.json      |  25 ++++
 packages/example/public/robots.txt         |   2 +
 packages/example/server.js                 |  21 +++
 packages/example/src/App.tsx               |  64 +++++++++
 packages/example/src/Client.tsx            | 101 ++++++++++++++
 packages/example/src/Room.tsx              |  92 +++++++++++++
 packages/example/src/defaultValue.js       |  17 +++
 packages/example/src/elements.tsx          |  64 +++++++++
 packages/example/src/index.tsx             |   6 +
 packages/example/src/react-app-env.d.ts    |   1 +
 packages/example/tsconfig.json             |  22 +++
 tsconfig.base.json                         |  19 +++
 tslint.json                                |   3 +
 63 files changed, 1769 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .prettierrc
 create mode 100644 lerna.json
 create mode 100644 package.json
 create mode 100644 packages/backend/.babelrc
 create mode 100644 packages/backend/.npmrc
 create mode 100644 packages/backend/package.json
 create mode 100644 packages/backend/src/Connection.ts
 create mode 100644 packages/backend/src/index.ts
 create mode 100644 packages/backend/src/model.ts
 create mode 100644 packages/backend/src/utils/defaultValue.ts
 create mode 100644 packages/backend/src/utils/index.ts
 create mode 100644 packages/backend/tsconfig.json
 create mode 100644 packages/bridge/.babelrc
 create mode 100644 packages/bridge/.npmrc
 create mode 100644 packages/bridge/package.json
 create mode 100644 packages/bridge/src/apply/annotation.ts
 create mode 100644 packages/bridge/src/apply/index.ts
 create mode 100644 packages/bridge/src/apply/mark.ts
 create mode 100644 packages/bridge/src/apply/node.ts
 create mode 100644 packages/bridge/src/apply/text.ts
 create mode 100644 packages/bridge/src/convert/create.ts
 create mode 100644 packages/bridge/src/convert/index.ts
 create mode 100644 packages/bridge/src/convert/insert.ts
 create mode 100644 packages/bridge/src/convert/remove.ts
 create mode 100644 packages/bridge/src/convert/set.ts
 create mode 100644 packages/bridge/src/index.ts
 create mode 100644 packages/bridge/src/model/automerge.ts
 create mode 100644 packages/bridge/src/model/index.ts
 create mode 100644 packages/bridge/src/model/slate.ts
 create mode 100644 packages/bridge/src/path/index.ts
 create mode 100644 packages/bridge/src/utils/index.ts
 create mode 100644 packages/bridge/src/utils/toSync.ts
 create mode 100644 packages/bridge/tsconfig.json
 create mode 100644 packages/client/.babelrc
 create mode 100644 packages/client/.npmrc
 create mode 100644 packages/client/package.json
 create mode 100644 packages/client/src/Connection.ts
 create mode 100644 packages/client/src/Controller.tsx
 create mode 100644 packages/client/src/index.ts
 create mode 100644 packages/client/src/model.ts
 create mode 100644 packages/client/src/onChange.ts
 create mode 100644 packages/client/src/renderEditor.tsx
 create mode 100644 packages/client/tsconfig.json
 create mode 100644 packages/example/.gitignore
 create mode 100644 packages/example/package.json
 create mode 100644 packages/example/public/favicon.ico
 create mode 100644 packages/example/public/index.html
 create mode 100644 packages/example/public/logo192.png
 create mode 100644 packages/example/public/logo512.png
 create mode 100644 packages/example/public/manifest.json
 create mode 100644 packages/example/public/robots.txt
 create mode 100644 packages/example/server.js
 create mode 100644 packages/example/src/App.tsx
 create mode 100644 packages/example/src/Client.tsx
 create mode 100644 packages/example/src/Room.tsx
 create mode 100644 packages/example/src/defaultValue.js
 create mode 100644 packages/example/src/elements.tsx
 create mode 100644 packages/example/src/index.tsx
 create mode 100644 packages/example/src/react-app-env.d.ts
 create mode 100644 packages/example/tsconfig.json
 create mode 100644 tsconfig.base.json
 create mode 100644 tslint.json

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c917297
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+lib/
+node_modules/
+.DS_Store
+lerna-debug.log
+/.npmrc
+yarn.lock
+yarn-error.log
+package-lock.json
+.idea
+tsconfig.tsbuildinfo
+**.code-workspace
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..f1476e8
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,6 @@
+{
+    "printWidth": 80,
+    "semi": false,
+    "singleQuote": true,
+    "arrowParens": "avoid"
+}
diff --git a/lerna.json b/lerna.json
new file mode 100644
index 0000000..5230748
--- /dev/null
+++ b/lerna.json
@@ -0,0 +1,11 @@
+{
+  "packages": ["packages/*"],
+  "npmClient": "yarn",
+  "useWorkspaces": true,
+  "version": "independent",
+  "command": {
+    "publish": {
+      "verifyAccess": false
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..219ceab
--- /dev/null
+++ b/package.json
@@ -0,0 +1,35 @@
+{
+  "private": true,
+  "version": "0.0.1",
+  "description": "Slate collaborative plugin & microservice",
+  "scripts": {
+    "bootstrap": "lerna bootstrap",
+    "dev": "concurrently \"lerna run --parallel watch\" \"lerna run dev --stream\"",
+    "build": "lerna run build --stream",
+    "prebuild": "lerna clean --yes && rm -rf ./packages/**/lib/",
+    "format": "prettier --write"
+  },
+  "workspaces": [
+    "packages/*"
+  ],
+  "author": "cudr",
+  "license": "MIT",
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.{js,jsx,ts,tsx,json,babelrc}": [
+      "yarn run format",
+      "git add"
+    ]
+  },
+  "devDependencies": {
+    "concurrently": "^4.1.2",
+    "husky": "^3.0.5",
+    "lerna": "^3.16.4",
+    "lint-staged": "^9.2.5",
+    "prettier": "^1.18.2"
+  }
+}
diff --git a/packages/backend/.babelrc b/packages/backend/.babelrc
new file mode 100644
index 0000000..0d18e14
--- /dev/null
+++ b/packages/backend/.babelrc
@@ -0,0 +1,18 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "esmodules": false
+        }
+      }
+    ],
+    "@babel/typescript"
+  ],
+  "plugins": [
+    "@babel/plugin-transform-runtime",
+    "@babel/proposal-class-properties",
+    "@babel/proposal-object-rest-spread"
+  ]
+}
diff --git a/packages/backend/.npmrc b/packages/backend/.npmrc
new file mode 100644
index 0000000..a21347f
--- /dev/null
+++ b/packages/backend/.npmrc
@@ -0,0 +1 @@
+scripts-prepend-node-path=true
\ No newline at end of file
diff --git a/packages/backend/package.json b/packages/backend/package.json
new file mode 100644
index 0000000..ec9a079
--- /dev/null
+++ b/packages/backend/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "@slate-collaborative/backend",
+  "version": "0.0.1",
+  "files": [
+    "lib"
+  ],
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "description": "slate-collaborative bridge",
+  "repository": "https://github.com/cudr/slate-collaborative",
+  "author": "cudr",
+  "license": "MIT",
+  "scripts": {
+    "prepublishOnly": "yarn run build",
+    "type-check": "tsc --noEmit",
+    "build": "yarn run build:types && yarn run build:js",
+    "build:types": "tsc --emitDeclarationOnly",
+    "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
+    "watch": "yarn build:js -w"
+  },
+  "dependencies": {
+    "@slate-collaborative/bridge": "^0.0.1",
+    "automerge": "^0.12.1",
+    "lodash": "^4.17.15",
+    "socket.io": "^2.2.0",
+    "typescript": "^3.6.3"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.6.0",
+    "@babel/core": "^7.6.0",
+    "@babel/plugin-proposal-class-properties": "^7.5.5",
+    "@babel/plugin-proposal-object-rest-spread": "^7.5.5",
+    "@babel/plugin-transform-runtime": "^7.6.0",
+    "@babel/preset-env": "^7.6.0",
+    "@babel/preset-typescript": "^7.6.0",
+    "@types/socket.io": "^2.1.2"
+  }
+}
diff --git a/packages/backend/src/Connection.ts b/packages/backend/src/Connection.ts
new file mode 100644
index 0000000..6a81e63
--- /dev/null
+++ b/packages/backend/src/Connection.ts
@@ -0,0 +1,147 @@
+import io from 'socket.io'
+import { ValueJSON } from 'slate'
+import * as Automerge from 'automerge'
+import throttle from 'lodash/throttle'
+
+import { toSync, toJS } from '@slate-collaborative/bridge'
+
+import { getClients, defaultValue, defaultOptions } from './utils'
+import { ConnectionOptions } from './model'
+
+class Connection {
+  private io: any
+  private docSet: any
+  private connections: { [key: string]: Automerge.Connection<any> }
+  private options: ConnectionOptions
+
+  constructor(options: ConnectionOptions = defaultOptions) {
+    this.io = io(options.port, options.connectOpts)
+    this.docSet = new Automerge.DocSet()
+    this.connections = {}
+    this.options = options
+
+    this.configure()
+  }
+
+  private configure = () =>
+    this.io
+      .of(this.nspMiddleware)
+      .use(this.authMiddleware)
+      .on('connect', this.onConnect)
+
+  private appendDoc = (path: string, value: ValueJSON) => {
+    const sync = toSync(value)
+
+    const doc = Automerge.from(sync)
+
+    this.docSet.setDoc(path, doc)
+  }
+
+  private saveDoc = throttle(pathname => {
+    if (this.options.onDocumentSave) {
+      const doc = this.docSet.getDoc(pathname)
+
+      this.options.onDocumentSave(pathname, toJS(doc))
+    }
+  }, (this.options && this.options.saveTreshold) || 2000)
+
+  private nspMiddleware = async (path, query, next) => {
+    const { onDocumentLoad } = this.options
+
+    if (!this.docSet.getDoc(path)) {
+      const valueJson = onDocumentLoad
+        ? await onDocumentLoad(path)
+        : this.options.defaultValue || defaultValue
+
+      if (!valueJson) return next(null, false)
+
+      this.appendDoc(path, valueJson)
+    }
+
+    return next(null, true)
+  }
+
+  private authMiddleware = async (socket, next) => {
+    const { query } = socket.handshake
+    const { onAuthRequest } = this.options
+
+    if (onAuthRequest) {
+      const permit = await onAuthRequest(query, socket)
+
+      if (!permit)
+        return next(new Error(`Authentification error: ${socket.id}`))
+    }
+
+    return next()
+  }
+
+  private onConnect = socket => {
+    const { id, conn } = socket
+    const { name } = socket.nsp
+
+    const doc = this.docSet.getDoc(name)
+
+    const data = Automerge.save(doc)
+
+    this.connections[id] = new Automerge.Connection(this.docSet, data => {
+      socket.emit('operation', { id: conn.id, ...data })
+    })
+
+    socket.join(id, () => {
+      this.connections[id].open()
+
+      socket.emit('document', data)
+    })
+
+    socket.on('operation', this.onOperation(id, name))
+
+    socket.on('disconnect', this.onDisconnect(id, socket))
+  }
+
+  private onOperation = (id, name) => data => {
+    try {
+      this.connections[id].receiveMsg(data)
+
+      this.saveDoc(name)
+    } catch (e) {
+      console.log(e)
+    }
+  }
+
+  private onDisconnect = (id, socket) => () => {
+    this.connections[id].close()
+    delete this.connections[id]
+
+    socket.leave(id)
+
+    this.garbageNsp()
+  }
+
+  garbageNsp = () => {
+    Object.keys(this.io.nsps)
+      .filter(n => n !== '/')
+      .forEach(nsp => {
+        getClients(this.io, nsp).then((clientsList: any[]) => {
+          if (!clientsList.length) this.removeDoc(nsp)
+        })
+      })
+  }
+
+  removeDoc = async nsp => {
+    const doc = this.docSet.getDoc(nsp)
+
+    if (this.options.onDocumentSave) {
+      await this.options.onDocumentSave(nsp, toJS(doc))
+    }
+
+    this.docSet.removeDoc(nsp)
+
+    delete this.io.nsps[nsp]
+  }
+
+  destroy = async () => {
+    this.io.close()
+  }
+}
+
+export default Connection
diff --git a/packages/backend/src/index.ts b/packages/backend/src/index.ts
new file mode 100644
index 0000000..7c2d9f6
--- /dev/null
+++ b/packages/backend/src/index.ts
@@ -0,0 +1,3 @@
+import Connection from './Connection'
+
+module.exports = Connection
diff --git a/packages/backend/src/model.ts b/packages/backend/src/model.ts
new file mode 100644
index 0000000..9f3ede9
--- /dev/null
+++ b/packages/backend/src/model.ts
@@ -0,0 +1,17 @@
+import { ValueJSON } from 'slate'
+
+export interface ConnectionOptions {
+  port: number
+  connectOpts?: SocketIO.ServerOptions
+  defaultValue?: ValueJSON
+  saveTreshold?: number
+  onAuthRequest?: (
+    query: Object,
+    socket?: SocketIO.Socket
+  ) => Promise<boolean> | boolean
+  onDocumentLoad?: (
+    pathname: string,
+    query?: Object
+  ) => ValueJSON | null | false | undefined
+  onDocumentSave?: (pathname: string, json: ValueJSON) => Promise<void> | void
+}
diff --git a/packages/backend/src/utils/defaultValue.ts b/packages/backend/src/utils/defaultValue.ts
new file mode 100644
index 0000000..d33d77b
--- /dev/null
+++ b/packages/backend/src/utils/defaultValue.ts
@@ -0,0 +1,21 @@
+import { ValueJSON } from 'slate'
+
+const json: ValueJSON = {
+  document: {
+    nodes: [
+      {
+        object: 'block',
+        type: 'paragraph',
+        nodes: [
+          {
+            object: 'text',
+            marks: [],
+            text: ''
+          }
+        ]
+      }
+    ]
+  }
+}
+
+export default json
diff --git a/packages/backend/src/utils/index.ts b/packages/backend/src/utils/index.ts
new file mode 100644
index 0000000..d8567a8
--- /dev/null
+++ b/packages/backend/src/utils/index.ts
@@ -0,0 +1,13 @@
+import defaultValue from './defaultValue'
+
+export const getClients = (io, nsp) =>
+  new Promise((r, j) => {
+    io.of(nsp).clients((e, c) => (e ? j(e) : r(c)))
+  })
+
+export const defaultOptions = {
+  port: 9000,
+  saveTreshold: 2000
+}
+
+export { defaultValue }
diff --git a/packages/backend/tsconfig.json b/packages/backend/tsconfig.json
new file mode 100644
index 0000000..81c719a
--- /dev/null
+++ b/packages/backend/tsconfig.json
@@ -0,0 +1,10 @@
+{
+  "include": ["src/**/*"],
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "lib",
+    "rootDir": "src",
+    "baseUrl": "src",
+    "esModuleInterop": true
+  }
+}
diff --git a/packages/bridge/.babelrc b/packages/bridge/.babelrc
new file mode 100644
index 0000000..a2309a2
--- /dev/null
+++ b/packages/bridge/.babelrc
@@ -0,0 +1,7 @@
+{
+  "presets": ["@babel/env", "@babel/typescript"],
+  "plugins": [
+    "@babel/proposal-class-properties",
+    "@babel/proposal-object-rest-spread"
+  ]
+}
diff --git a/packages/bridge/.npmrc b/packages/bridge/.npmrc
new file mode 100644
index 0000000..a21347f
--- /dev/null
+++ b/packages/bridge/.npmrc
@@ -0,0 +1 @@
+scripts-prepend-node-path=true
\ No newline at end of file
diff --git a/packages/bridge/package.json b/packages/bridge/package.json
new file mode 100644
index 0000000..36b1f20
--- /dev/null
+++ b/packages/bridge/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "@slate-collaborative/bridge",
+  "version": "0.0.1",
+  "files": [
+    "lib"
+  ],
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "description": "slate-collaborative bridge",
+  "repository": "https://github.com/cudr/slate-collaborative",
+  "author": "cudr",
+  "license": "MIT",
+  "scripts": {
+    "prepublishOnly": "yarn run build",
+    "build": "yarn run build:types && yarn run build:js",
+    "build:types": "tsc --emitDeclarationOnly",
+    "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
+    "watch": "yarn build:js -w"
+  },
+  "dependencies": {
+    "typescript": "^3.6.3"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.6.0",
+    "@babel/core": "^7.6.0",
+    "@babel/plugin-proposal-class-properties": "^7.5.5",
+    "@babel/plugin-proposal-object-rest-spread": "^7.5.5",
+    "@babel/preset-env": "^7.6.0",
+    "@babel/preset-typescript": "^7.6.0"
+  }
+}
diff --git a/packages/bridge/src/apply/annotation.ts b/packages/bridge/src/apply/annotation.ts
new file mode 100644
index 0000000..fdeea58
--- /dev/null
+++ b/packages/bridge/src/apply/annotation.ts
@@ -0,0 +1,17 @@
+export const addAnnotation = (doc: any, op: any) => {
+  return doc
+}
+
+export const removeAnnotation = (doc: any, op: any) => {
+  return doc
+}
+
+export const setAnnotation = (doc: any, op: any) => {
+  return doc
+}
+
+export default {
+  add_annotation: addAnnotation,
+  remove_annotation: removeAnnotation,
+  set_annotation: setAnnotation
+}
diff --git a/packages/bridge/src/apply/index.ts b/packages/bridge/src/apply/index.ts
new file mode 100644
index 0000000..7af5423
--- /dev/null
+++ b/packages/bridge/src/apply/index.ts
@@ -0,0 +1,36 @@
+import { Operation, Operations, SyncDoc } from '../model'
+
+import node from './node'
+import mark from './mark'
+import text from './text'
+import annotation from './annotation'
+
+const setSelection = doc => doc
+const setValue = (doc, op) => doc
+
+const opType: any = {
+  ...text,
+  ...annotation,
+  ...node,
+  ...mark,
+
+  set_selection: setSelection,
+  set_value: setValue
+}
+
+export const applyOperation = (doc: SyncDoc, op: Operation): SyncDoc => {
+  try {
+    const applyOp = opType[op.type]
+
+    if (!applyOp) throw new TypeError('Invalid operation type!')
+
+    return applyOp(doc, op)
+  } catch (e) {
+    console.error(e)
+
+    return doc
+  }
+}
+
+export const applySlateOps = (doc: SyncDoc, operations: Operations) =>
+  operations.reduce(applyOperation, doc)
diff --git a/packages/bridge/src/apply/mark.ts b/packages/bridge/src/apply/mark.ts
new file mode 100644
index 0000000..c38cee6
--- /dev/null
+++ b/packages/bridge/src/apply/mark.ts
@@ -0,0 +1,72 @@
+import { getTarget } from '../path'
+import { toSync } from '../utils'
+import { SyncDoc } from '../model'
+
+import { AddMarkOperation, RemoveMarkOperation, SetMarkOperation } from 'slate'
+
+const findIndex = (node, mark) =>
+  node.marks.findIndex(m => m.type === mark.type)
+
+export const addMark = (doc: SyncDoc, op: AddMarkOperation) => {
+  const node = getTarget(doc, op.path)
+
+  if (node.object !== 'text') {
+    throw new TypeError('cannot set marks on non-text node')
+  }
+
+  if (findIndex(node, op.mark) < 0) node.marks.push(toSync(op.mark.toJS()))
+
+  return doc
+}
+
+export const removeMark = (doc: SyncDoc, op: RemoveMarkOperation) => {
+  const node = getTarget(doc, op.path)
+
+  if (node.object !== 'text') {
+    throw new TypeError('cannot set marks on non-text node')
+  }
+
+  const index = findIndex(node, op.mark)
+
+  if (index >= 0) node.marks.splice(index, 1)
+
+  return doc
+}
+
+export const setMark = (doc: SyncDoc, op: SetMarkOperation) => {
+  const node = getTarget(doc, op.path)
+
+  if (node.object !== 'text') {
+    throw new TypeError('cannot set marks on non-text node')
+  }
+
+  const index = findIndex(node, op.properties)
+
+  if (index === -1) {
+    console.warn('did not find old mark with properties', op.properties)
+
+    if (!op.newProperties.type) {
+      throw new TypeError('no old mark, and new mark missing type')
+    }
+
+    node.marks.push({
+      object: 'mark',
+      type: op.newProperties.type,
+      ...op.newProperties
+    })
+  } else {
+    node.marks[index] = {
+      object: 'mark',
+      ...node.marks[index],
+      ...op.newProperties
+    }
+  }
+
+  return doc
+}
+
+export default {
+  add_mark: addMark,
+  remove_mark: removeMark,
+  set_mark: setMark
+}
diff --git a/packages/bridge/src/apply/node.ts b/packages/bridge/src/apply/node.ts
new file mode 100644
index 0000000..aad2c3f
--- /dev/null
+++ b/packages/bridge/src/apply/node.ts
@@ -0,0 +1,107 @@
+import { SyncDoc } from '../model'
+
+import {
+  SplitNodeOperation,
+  InsertNodeOperation,
+  MoveNodeOperation,
+  RemoveNodeOperation,
+  MergeNodeOperation,
+  SetNodeOperation
+} from 'slate'
+
+import { getTarget, getParent } from '../path'
+import { toJS, cloneNode, toSync } from '../utils'
+
+export const insertNode = (doc: SyncDoc, op: InsertNodeOperation): SyncDoc => {
+  const [parent, index] = getParent(doc, op.path)
+
+  if (parent.object === 'text') {
+    throw new TypeError('cannot insert node into text node')
+  }
+
+  parent.nodes.splice(index, 0, toSync(op.node.toJS()))
+
+  return doc
+}
+
+export const moveNode = (doc: SyncDoc, op: MoveNodeOperation): SyncDoc => {
+  const [from, fromIndex] = getParent(doc, op.path)
+  const [to, toIndex] = getParent(doc, op.newPath)
+
+  if (from.object === 'text' || to.object === 'text') {
+    throw new TypeError('cannot move node as child of a text node')
+  }
+
+  to.nodes.splice(toIndex, 0, ...from.nodes.splice(fromIndex, 1))
+
+  return doc
+}
+
+export const removeNode = (doc: SyncDoc, op: RemoveNodeOperation): SyncDoc => {
+  const [parent, index] = getParent(doc, op.path)
+
+  if (parent.object === 'text') {
+    throw new TypeError('cannot remove node from text node')
+  }
+
+  parent.nodes.splice(index, 1)
+
+  return doc
+}
+
+export const splitNode = (doc: SyncDoc, op: SplitNodeOperation): SyncDoc => {
+  const [parent, index]: [any, number] = getParent(doc, op.path)
+
+  const target = parent.nodes[index]
+  const inject = cloneNode(target)
+
+  if (target.object === 'text') {
+    target.text.length > op.position &&
+      target.text.deleteAt(op.position, target.text.length - op.position)
+    op.position && inject.text.deleteAt(0, op.position)
+  } else {
+    target.nodes.splice(op.position, target.nodes.length - op.position)
+    op.position && inject.nodes.splice(0, op.position)
+  }
+
+  parent.nodes.insertAt(index + 1, inject)
+
+  return doc
+}
+
+export const mergeNode = (doc: SyncDoc, op: MergeNodeOperation) => {
+  const [parent, index]: [any, number] = getParent(doc, op.path)
+
+  const prev = parent.nodes[index - 1]
+  const next = parent.nodes[index]
+
+  if (prev.object === 'text') {
+    prev.text.insertAt(prev.text.length, ...toJS(next.text).split(''))
+  } else {
+    next.nodes.forEach(n => prev.nodes.push(cloneNode(n)))
+  }
+
+  parent.nodes.deleteAt(index, 1)
+
+  return doc
+}
+
+export const setNode = (doc: SyncDoc, op: SetNodeOperation) => {
+  const node = getTarget(doc, op.path)
+
+  const { type, data }: any = op.newProperties
+
+  if (type) node.type = type
+  if (node.object !== 'text' && data) node.data = data.toJSON()
+
+  return doc
+}
+
+export default {
+  insert_node: insertNode,
+  move_node: moveNode,
+  remove_node: removeNode,
+  split_node: splitNode,
+  merge_node: mergeNode,
+  set_node: setNode
+}
diff --git a/packages/bridge/src/apply/text.ts b/packages/bridge/src/apply/text.ts
new file mode 100644
index 0000000..830c3fa
--- /dev/null
+++ b/packages/bridge/src/apply/text.ts
@@ -0,0 +1,24 @@
+import { SyncDoc } from '../model'
+import { InsertTextOperation, RemoveTextOperation } from 'slate'
+import { getTarget } from '../path'
+
+export const insertText = (doc: SyncDoc, op: InsertTextOperation): SyncDoc => {
+  const node = getTarget(doc, op.path)
+
+  node.text.insertAt(op.offset, op.text)
+
+  return doc
+}
+
+export const removeText = (doc: SyncDoc, op: RemoveTextOperation): SyncDoc => {
+  const node = getTarget(doc, op.path)
+
+  node.text.deleteAt(op.offset, op.text.length)
+
+  return doc
+}
+
+export default {
+  insert_text: insertText,
+  remove_text: removeText
+}
diff --git a/packages/bridge/src/convert/create.ts b/packages/bridge/src/convert/create.ts
new file mode 100644
index 0000000..7501304
--- /dev/null
+++ b/packages/bridge/src/convert/create.ts
@@ -0,0 +1,9 @@
+const createByType = type => (type === 'map' ? {} : type === 'list' ? [] : '')
+
+const opCreate = ({ obj, type }, [map, ops]) => {
+  map[obj] = createByType(type)
+
+  return [map, ops]
+}
+
+export default opCreate
diff --git a/packages/bridge/src/convert/index.ts b/packages/bridge/src/convert/index.ts
new file mode 100644
index 0000000..35a50cb
--- /dev/null
+++ b/packages/bridge/src/convert/index.ts
@@ -0,0 +1,34 @@
+import opInsert from './insert'
+import opRemove from './remove'
+import opSet from './set'
+import opCreate from './create'
+
+const byAction = {
+  create: opCreate,
+  remove: opRemove,
+  set: opSet,
+  insert: opInsert
+}
+
+const rootKey = '00000000-0000-0000-0000-000000000000'
+
+const toSlateOp = ops => {
+  const iterate = (acc, op) => {
+    const action = byAction[op.action]
+
+    const result = action ? action(op, acc) : acc
+
+    return result
+  }
+
+  const [tree, defer] = ops.reduce(iterate, [
+    {
+      [rootKey]: {}
+    },
+    []
+  ])
+
+  return defer.map(op => op(tree))
+}
+
+export { toSlateOp }
diff --git a/packages/bridge/src/convert/insert.ts b/packages/bridge/src/convert/insert.ts
new file mode 100644
index 0000000..852d4bd
--- /dev/null
+++ b/packages/bridge/src/convert/insert.ts
@@ -0,0 +1,51 @@
+import { toSlatePath, toJS } from '../utils/index'
+
+const insertTextOp = ({ index, path, value }) => () => ({
+  type: 'insert_text',
+  path: toSlatePath(path),
+  offset: index,
+  text: value,
+  marks: []
+})
+
+const insertNodeOp = ({ value, index, path }) => map => ({
+  type: 'insert_node',
+  path: [...toSlatePath(path), index],
+  node: map[value]
+})
+
+const insertByType = {
+  text: insertTextOp,
+  list: insertNodeOp
+}
+
+const opInsert = (op, [map, ops]) => {
+  try {
+    const { link, obj, path, index, type, value } = op
+
+    if (link && map[obj]) {
+      map[obj].splice(index, 0, map[value] || value)
+    } else if (type === 'text' && !path) {
+      map[obj] = map[obj]
+        ? map[obj]
+            .slice(0, index)
+            .concat(value)
+            .concat(map[obj].slice(index))
+        : value
+    } else {
+      const insert = insertByType[type]
+
+      const operation = insert && insert(op, map)
+
+      ops.push(operation)
+    }
+
+    return [map, ops]
+  } catch (e) {
+    console.error(e, op, toJS(map))
+
+    return [map, ops]
+  }
+}
+
+export default opInsert
diff --git a/packages/bridge/src/convert/remove.ts b/packages/bridge/src/convert/remove.ts
new file mode 100644
index 0000000..d6bbba0
--- /dev/null
+++ b/packages/bridge/src/convert/remove.ts
@@ -0,0 +1,49 @@
+import { toSlatePath, toJS } from '../utils/index'
+
+const removeTextOp = ({ index, path }) => () => ({
+  type: 'remove_text',
+  path: toSlatePath(path).slice(0, path.length),
+  offset: index,
+  text: '*',
+  marks: []
+})
+
+const removeNodesOp = ({ index, path }) => () => {
+  const nPath = toSlatePath(path)
+  return {
+    type: 'remove_node',
+    path: nPath.length ? nPath.concat(index) : [index],
+    node: {
+      object: 'text'
+    }
+  }
+}
+
+const removeByType = {
+  text: removeTextOp,
+  nodes: removeNodesOp
+}
+
+const opRemove = (op, [map, ops]) => {
+  try {
+    const { index, path, obj } = op
+
+    if (map.hasOwnProperty(obj) && op.type !== 'text') {
+      map[obj].splice(index, 1)
+
+      return [map, ops]
+    }
+
+    if (!path) return [map, ops]
+
+    const fn = removeByType[path[path.length - 1]]
+
+    return [map, [...ops, fn(op)]]
+  } catch (e) {
+    console.error(e, op, toJS(map))
+
+    return [map, ops]
+  }
+}
+
+export default opRemove
diff --git a/packages/bridge/src/convert/set.ts b/packages/bridge/src/convert/set.ts
new file mode 100644
index 0000000..3193e2c
--- /dev/null
+++ b/packages/bridge/src/convert/set.ts
@@ -0,0 +1,16 @@
+import { toJS } from '../utils/index'
+
+const opSet = (op, [map, ops]) => {
+  const { link, value, obj, key } = op
+  try {
+    map[obj][key] = link ? map[value] : value
+
+    return [map, ops]
+  } catch (e) {
+    console.error(e, op, toJS(map))
+
+    return [map, ops]
+  }
+}
+
+export default opSet
diff --git a/packages/bridge/src/index.ts b/packages/bridge/src/index.ts
new file mode 100644
index 0000000..26d4a2e
--- /dev/null
+++ b/packages/bridge/src/index.ts
@@ -0,0 +1,3 @@
+export * from './apply'
+export * from './convert'
+export * from './utils'
diff --git a/packages/bridge/src/model/automerge.ts b/packages/bridge/src/model/automerge.ts
new file mode 100644
index 0000000..dce0000
--- /dev/null
+++ b/packages/bridge/src/model/automerge.ts
@@ -0,0 +1,3 @@
+import { Doc } from 'automerge'
+
+export type SyncDoc = Doc<any>
diff --git a/packages/bridge/src/model/index.ts b/packages/bridge/src/model/index.ts
new file mode 100644
index 0000000..0771630
--- /dev/null
+++ b/packages/bridge/src/model/index.ts
@@ -0,0 +1,2 @@
+export * from './automerge'
+export * from './slate'
diff --git a/packages/bridge/src/model/slate.ts b/packages/bridge/src/model/slate.ts
new file mode 100644
index 0000000..859b13a
--- /dev/null
+++ b/packages/bridge/src/model/slate.ts
@@ -0,0 +1,8 @@
+import { Operation, NodeJSON } from 'slate'
+import { List } from 'immutable'
+
+export type Operations = List<Operation>
+export type SyncNode = NodeJSON
+export type Path = List<number>
+
+export { Operation }
diff --git a/packages/bridge/src/path/index.ts b/packages/bridge/src/path/index.ts
new file mode 100644
index 0000000..7ef3fb4
--- /dev/null
+++ b/packages/bridge/src/path/index.ts
@@ -0,0 +1,38 @@
+import { SyncDoc, Path } from '../model'
+import { NodeJSON } from 'slate'
+
+export const isTree = (node: NodeJSON): any => node.object !== 'text'
+
+export const getTarget = (doc: SyncDoc, path: Path) => {
+  const iterate = (current: any, idx: number) => {
+    if (!isTree(current) || !current.nodes) {
+      throw new TypeError(
+        `path ${path.toString()} does not match tree ${JSON.stringify(current)}`
+      )
+    }
+
+    return current.nodes[idx]
+  }
+
+  return path.reduce(iterate, doc.document)
+}
+
+export const getParentPath = (
+  path: Path,
+  level: number = 1
+): [number, Path] => {
+  if (level > path.size) {
+    throw new TypeError('requested ancestor is higher than root')
+  }
+
+  return [path.get(path.size - level), path.slice(0, path.size - level) as Path]
+}
+
+export const getParent = (
+  doc: SyncDoc,
+  path: Path,
+  level = 1
+): [NodeJSON, number] => {
+  const [idx, parentPath] = getParentPath(path, level)
+  return [getTarget(doc, parentPath), idx]
+}
diff --git a/packages/bridge/src/utils/index.ts b/packages/bridge/src/utils/index.ts
new file mode 100644
index 0000000..19b47f6
--- /dev/null
+++ b/packages/bridge/src/utils/index.ts
@@ -0,0 +1,9 @@
+import toSync from './toSync'
+
+export const toJS = node => JSON.parse(JSON.stringify(node))
+
+export const cloneNode = node => toSync(toJS(node))
+
+const toSlatePath = path => (path ? path.filter(d => Number.isInteger(d)) : [])
+
+export { toSync, toSlatePath }
diff --git a/packages/bridge/src/utils/toSync.ts b/packages/bridge/src/utils/toSync.ts
new file mode 100644
index 0000000..9686604
--- /dev/null
+++ b/packages/bridge/src/utils/toSync.ts
@@ -0,0 +1,33 @@
+import * as Automerge from 'automerge'
+
+const toSync = (node: any): any => {
+  if (!node) {
+    return
+  }
+
+  if (node.hasOwnProperty('text')) {
+    return {
+      ...node,
+      text: new Automerge.Text(node.text)
+    }
+  } else if (node.nodes) {
+    return {
+      ...node,
+      nodes: node.nodes.map(toSync)
+    }
+  } else if (node.leaves) {
+    return {
+      ...node,
+      leaves: node.leaves.map(toSync)
+    }
+  } else if (node.document) {
+    return {
+      ...node,
+      document: toSync(node.document)
+    }
+  }
+
+  return node
+}
+
+export default toSync
diff --git a/packages/bridge/tsconfig.json b/packages/bridge/tsconfig.json
new file mode 100644
index 0000000..e619b21
--- /dev/null
+++ b/packages/bridge/tsconfig.json
@@ -0,0 +1,10 @@
+{
+  "include": ["src/**/*"],
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "lib",
+    "rootDir": "src",
+    "baseUrl": "src",
+    "composite": true
+  }
+}
diff --git a/packages/client/.babelrc b/packages/client/.babelrc
new file mode 100644
index 0000000..975d19a
--- /dev/null
+++ b/packages/client/.babelrc
@@ -0,0 +1,7 @@
+{
+  "presets": ["@babel/env", "@babel/react", "@babel/typescript"],
+  "plugins": [
+    "@babel/proposal-class-properties",
+    "@babel/proposal-object-rest-spread"
+  ]
+}
diff --git a/packages/client/.npmrc b/packages/client/.npmrc
new file mode 100644
index 0000000..a21347f
--- /dev/null
+++ b/packages/client/.npmrc
@@ -0,0 +1 @@
+scripts-prepend-node-path=true
\ No newline at end of file
diff --git a/packages/client/package.json b/packages/client/package.json
new file mode 100644
index 0000000..561a31e
--- /dev/null
+++ b/packages/client/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "@slate-collaborative/client",
+  "version": "0.0.1",
+  "files": [
+    "lib"
+  ],
+  "main": "lib/index.js",
+  "types": "lib/index.d.ts",
+  "description": "slate-collaborative bridge",
+  "repository": "https://github.com/cudr/slate-collaborative",
+  "author": "cudr",
+  "license": "MIT",
+  "scripts": {
+    "prepublishOnly": "npm run build",
+    "build": "npm run build:types && npm run build:js",
+    "build:types": "tsc --emitDeclarationOnly",
+    "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
+    "watch": "yarn build:js -w"
+  },
+  "dependencies": {
+    "@babel/preset-react": "^7.0.0",
+    "@slate-collaborative/bridge": "^0.0.1",
+    "automerge": "^0.12.1",
+    "immutable": "^4.0.0-rc.12",
+    "react": "^16.9.0",
+    "slate": "^0.47.8",
+    "socket.io-client": "^2.2.0",
+    "typescript": "^3.6.3"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.6.0",
+    "@babel/core": "^7.6.0",
+    "@babel/plugin-proposal-class-properties": "^7.5.5",
+    "@babel/plugin-proposal-object-rest-spread": "^7.5.5",
+    "@babel/preset-env": "^7.6.0",
+    "@babel/preset-typescript": "^7.6.0",
+    "@types/react": "^16.9.2",
+    "@types/slate": "^0.47.1",
+    "@types/socket.io-client": "^1.4.32"
+  }
+}
diff --git a/packages/client/src/Connection.ts b/packages/client/src/Connection.ts
new file mode 100644
index 0000000..a26c644
--- /dev/null
+++ b/packages/client/src/Connection.ts
@@ -0,0 +1,141 @@
+import Automerge from 'automerge'
+import Immutable from 'immutable'
+import io from 'socket.io-client'
+
+import { Value, Operation } from 'slate'
+import { ConnectionModel } from './model'
+
+import { applySlateOps, toSlateOp, toJS } from '@slate-collaborative/bridge'
+
+class Connection {
+  url: string
+  docId: string
+  docSet: Automerge.DocSet<any>
+  connection: Automerge.Connection<any>
+  socket: SocketIOClient.Socket
+  editor: any
+  connectOpts: any
+  onConnect?: () => void
+  onDisconnect?: () => void
+
+  constructor({
+    editor,
+    url,
+    connectOpts,
+    onConnect,
+    onDisconnect
+  }: ConnectionModel) {
+    this.url = url
+    this.editor = editor
+    this.connectOpts = connectOpts
+    this.onConnect = onConnect
+    this.onDisconnect = onDisconnect
+
+    this.docId = connectOpts.path || new URL(url).pathname
+
+    this.docSet = new Automerge.DocSet()
+
+    this.connect()
+  }
+
+  sendData = (data: any) => {
+    this.socket.emit('operation', data)
+  }
+
+  recieveData = async (data: any) => {
+    if (this.docId !== data.docId || !this.connection) {
+      return
+    }
+
+    const currentDoc = this.docSet.getDoc(this.docId)
+    const docNew = this.connection.receiveMsg(data)
+
+    if (!docNew) {
+      return
+    }
+
+    try {
+      const operations = Automerge.diff(currentDoc, docNew)
+
+      if (operations.length !== 0) {
+        const slateOps = toSlateOp(operations, this.connectOpts.query.name)
+
+        this.editor.remote = true
+
+        this.editor.withoutSaving(() => {
+          slateOps.forEach(o => this.editor.applyOperation(o))
+        })
+
+        setTimeout(() => (this.editor.remote = false), 5)
+      }
+    } catch (e) {
+      console.error(e)
+    }
+  }
+
+  receiveSlateOps = (operations: Immutable.List<Operation>) => {
+    const doc = this.docSet.getDoc(this.docId)
+    const message = `change from ${this.socket.id}`
+
+    if (!doc) return
+
+    const changed = Automerge.change(doc, message, (d: any) =>
+      applySlateOps(d, operations)
+    )
+
+    this.docSet.setDoc(this.docId, changed)
+  }
+
+  recieveDocument = data => {
+    const currentDoc = this.docSet.getDoc(this.docId)
+
+    if (!currentDoc) {
+      const doc = Automerge.load(data)
+
+      this.docSet.removeDoc(this.docId)
+
+      this.docSet.setDoc(this.docId, doc)
+
+      this.editor.controller.setValue(Value.fromJSON(toJS(doc)))
+    }
+
+    this.editor.setFocus()
+
+    this.connection.open()
+
+    this.onConnect && setTimeout(this.onConnect, 0)
+  }
+
+  connect = () => {
+    this.socket = io(this.url, this.connectOpts)
+
+    this.socket.on('connect', () => {
+      this.connection = new Automerge.Connection(this.docSet, this.sendData)
+
+      this.socket.on('document', this.recieveDocument)
+
+      this.socket.on('operation', this.recieveData)
+
+      this.socket.on('disconnect', this.disconnect)
+    })
+  }
+
+  disconnect = () => {
+    this.onDisconnect()
+
+    this.connection && this.connection.close()
+
+    delete this.connection
+
+    this.socket.removeListener('document')
+    this.socket.removeListener('operation')
+  }
+
+  close = () => {
+    this.onDisconnect()
+
+    this.socket.close()
+  }
+}
+
+export default Connection
diff --git a/packages/client/src/Controller.tsx b/packages/client/src/Controller.tsx
new file mode 100644
index 0000000..0d6574b
--- /dev/null
+++ b/packages/client/src/Controller.tsx
@@ -0,0 +1,64 @@
+import React, { PureComponent, ReactNode } from 'react'
+
+import Connection from './Connection'
+
+import { ControllerProps } from './model'
+
+class Controller extends PureComponent<ControllerProps> {
+  connection?: Connection
+
+  state = {
+    preloading: true
+  }
+
+  componentDidMount() {
+    const { editor, url, connectOpts } = this.props
+
+    editor.connection = new Connection({
+      editor,
+      url,
+      connectOpts,
+      onConnect: this.onConnect,
+      onDisconnect: this.onDisconnect
+    })
+  }
+
+  componentWillUnmount() {
+    const { editor } = this.props
+
+    if (editor.connection) editor.connection.close()
+
+    delete editor.connection
+  }
+
+  render() {
+    const { children, preloader } = this.props
+    const { preloading } = this.state
+
+    if (preloader && preloading) return preloader()
+
+    return children
+  }
+
+  onConnect = () => {
+    const { onConnect, editor } = this.props
+
+    this.setState({
+      preloading: false
+    })
+
+    onConnect && onConnect(editor.connection)
+  }
+
+  onDisconnect = () => {
+    const { onDisconnect, editor } = this.props
+
+    this.setState({
+      preloading: true
+    })
+
+    onDisconnect && onDisconnect(editor.connection)
+  }
+}
+
+export default Controller
diff --git a/packages/client/src/index.ts b/packages/client/src/index.ts
new file mode 100644
index 0000000..cd0dc30
--- /dev/null
+++ b/packages/client/src/index.ts
@@ -0,0 +1,29 @@
+import { ReactNode } from 'react'
+
+import onChange from './onChange'
+import renderEditor from './renderEditor'
+
+import Connection from './Connection'
+
+export interface PluginOptions {
+  url?: string
+  connectOpts?: SocketIOClient.ConnectOpts
+  preloader?: () => ReactNode
+  onConnect?: (connection: Connection) => void
+  onDisconnect?: (connection: Connection) => void
+}
+
+const defaultOpts = {
+  url: 'http://localhost:9000'
+}
+
+const plugin = (opts: PluginOptions = {}) => {
+  const options = { ...defaultOpts, ...opts }
+
+  return {
+    onChange: onChange(options),
+    renderEditor: renderEditor(options)
+  }
+}
+
+export default plugin
diff --git a/packages/client/src/model.ts b/packages/client/src/model.ts
new file mode 100644
index 0000000..cc284c1
--- /dev/null
+++ b/packages/client/src/model.ts
@@ -0,0 +1,20 @@
+import { Editor } from 'slate'
+import { PluginOptions } from './index'
+import Connection from './Connection'
+
+export interface ConnectionModel extends PluginOptions {
+  editor: Editor
+  onConnect: () => void
+  onDisconnect: () => void
+}
+
+export interface ExtendedEditor extends Editor {
+  remote: boolean
+  connection: Connection
+}
+
+export interface ControllerProps extends PluginOptions {
+  editor: ExtendedEditor
+  url?: string
+  connectOpts?: SocketIOClient.ConnectOpts
+}
diff --git a/packages/client/src/onChange.ts b/packages/client/src/onChange.ts
new file mode 100644
index 0000000..f3fb136
--- /dev/null
+++ b/packages/client/src/onChange.ts
@@ -0,0 +1,11 @@
+import { ExtendedEditor } from './model'
+
+const onChange = opts => (editor: ExtendedEditor, next: () => void) => {
+  if (!editor.remote) {
+    editor.connection.receiveSlateOps(editor.operations)
+  }
+
+  return next()
+}
+
+export default onChange
diff --git a/packages/client/src/renderEditor.tsx b/packages/client/src/renderEditor.tsx
new file mode 100644
index 0000000..6a51db3
--- /dev/null
+++ b/packages/client/src/renderEditor.tsx
@@ -0,0 +1,21 @@
+import React from 'react'
+
+import { PluginOptions } from './index'
+
+import Controller from './Controller'
+
+const renderEditor = (opts: PluginOptions) => (
+  props: any,
+  editor: any,
+  next: any
+) => {
+  const children = next()
+
+  return (
+    <Controller {...opts} editor={editor}>
+      {children}
+    </Controller>
+  )
+}
+
+export default renderEditor
diff --git a/packages/client/tsconfig.json b/packages/client/tsconfig.json
new file mode 100644
index 0000000..5f504f8
--- /dev/null
+++ b/packages/client/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "include": ["src/**/*"],
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "lib",
+    "rootDir": "src",
+    "baseUrl": "src",
+    "jsx": "react",
+    "lib": ["es6", "dom"],
+    "esModuleInterop": true
+  }
+}
diff --git a/packages/example/.gitignore b/packages/example/.gitignore
new file mode 100644
index 0000000..4d29575
--- /dev/null
+++ b/packages/example/.gitignore
@@ -0,0 +1,23 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
diff --git a/packages/example/package.json b/packages/example/package.json
new file mode 100644
index 0000000..bacc6d7
--- /dev/null
+++ b/packages/example/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "@slate-collaborative/example",
+  "version": "0.0.1",
+  "private": true,
+  "dependencies": {
+    "@emotion/core": "^10.0.17",
+    "@emotion/styled": "^10.0.17",
+    "@slate-collaborative/backend": "0.0.1",
+    "@slate-collaborative/client": "0.0.1",
+    "@types/faker": "^4.1.5",
+    "@types/jest": "24.0.18",
+    "@types/node": "12.7.5",
+    "@types/react": "16.9.2",
+    "@types/react-dom": "16.9.0",
+    "@types/slate-react": "^0.22.5",
+    "concurrently": "^4.1.2",
+    "faker": "^4.1.0",
+    "lodash": "^4.17.15",
+    "react": "^16.9.0",
+    "react-dom": "^16.9.0",
+    "react-scripts": "3.1.1",
+    "slate": "^0.47.8",
+    "slate-react": "^0.22.8",
+    "typescript": "3.6.3"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "dev": "concurrently \"yarn start\" \"yarn serve\"",
+    "serve": "nodemon --watch ../backend/lib --inspect server.js",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  },
+  "devDependencies": {
+    "nodemon": "^1.19.2"
+  }
+}
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diff --git a/packages/example/public/index.html b/packages/example/public/index.html
new file mode 100644
index 0000000..740f3a5
--- /dev/null
+++ b/packages/example/public/index.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="logo192.png" />
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <title>Slate collaborative</title>
+  </head>
+  <body>
+    <noscript></noscript>
+    <div id="root"></div>
+  </body>
+</html>
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diff --git a/packages/example/public/manifest.json b/packages/example/public/manifest.json
new file mode 100644
index 0000000..23603f9
--- /dev/null
+++ b/packages/example/public/manifest.json
@@ -0,0 +1,25 @@
+{
+  "short_name": "Slate collaborative",
+  "name": "collaborative plugin & microservice",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    },
+    {
+      "src": "logo192.png",
+      "type": "image/png",
+      "sizes": "192x192"
+    },
+    {
+      "src": "logo512.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}
diff --git a/packages/example/public/robots.txt b/packages/example/public/robots.txt
new file mode 100644
index 0000000..01b0f9a
--- /dev/null
+++ b/packages/example/public/robots.txt
@@ -0,0 +1,2 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
diff --git a/packages/example/server.js b/packages/example/server.js
new file mode 100644
index 0000000..0a437ec
--- /dev/null
+++ b/packages/example/server.js
@@ -0,0 +1,21 @@
+const Connection = require('@slate-collaborative/backend')
+const defaultValue = require('./src/defaultValue')
+
+const config = {
+  port: 9000,
+  defaultValue,
+  saveTreshold: 2000,
+  onAuthRequest: async (query, socket) => {
+    // some query validation
+    return true
+  },
+  onDocumentLoad: async pathname => {
+    // return initial document ValueJSON by pathnme
+    return defaultValue
+  },
+  onDocumentSave: async (pathname, document) => {
+    // save document
+  }
+}
+
+const connection = new Connection(config)
diff --git a/packages/example/src/App.tsx b/packages/example/src/App.tsx
new file mode 100644
index 0000000..c1fbd9f
--- /dev/null
+++ b/packages/example/src/App.tsx
@@ -0,0 +1,64 @@
+import React, { Component } from 'react'
+import faker from 'faker'
+
+import styled from '@emotion/styled'
+
+import Room from './Room'
+
+class App extends Component<{}, { rooms: string[] }> {
+  state = {
+    rooms: []
+  }
+
+  componentDidMount() {
+    this.addRoom()
+  }
+
+  render() {
+    const { rooms } = this.state
+
+    return (
+      <Container>
+        <AddButton type="button" onClick={this.addRoom}>
+          Add Room
+        </AddButton>
+        {rooms.map(room => (
+          <Room key={room} slug={room} removeRoom={this.removeRoom(room)} />
+        ))}
+      </Container>
+    )
+  }
+
+  addRoom = () => {
+    const room = faker.lorem.slug(4)
+
+    this.setState({ rooms: [...this.state.rooms, room] })
+  }
+
+  removeRoom = (room: string) => () => {
+    this.setState({
+      rooms: this.state.rooms.filter(r => r !== room)
+    })
+  }
+}
+
+export default App
+
+const Container = styled.div``
+
+const Button = styled.button`
+  padding: 6px 14px;
+  display: block;
+  outline: none;
+  font-size: 14px;
+  max-width: 200px;
+  text-align: center;
+  color: palevioletred;
+  border: 2px solid palevioletred;
+`
+
+const AddButton = styled(Button)`
+  margin-left: 30px;
+  color: violet;
+  border: 2px solid violet;
+`
diff --git a/packages/example/src/Client.tsx b/packages/example/src/Client.tsx
new file mode 100644
index 0000000..359ced2
--- /dev/null
+++ b/packages/example/src/Client.tsx
@@ -0,0 +1,101 @@
+import React, { Component } from 'react'
+
+import { Value, ValueJSON } from 'slate'
+import { Editor } from 'slate-react'
+
+import styled from '@emotion/styled'
+
+import ClientPlugin from '@slate-collaborative/client'
+
+import defaultValue from './defaultValue'
+
+import { Instance, ClientFrame, Title, H4, Button } from './elements'
+
+interface ClienProps {
+  name: string
+  id: string
+  slug: string
+  removeUser: (id: any) => void
+}
+
+class Client extends Component<ClienProps> {
+  editor: any
+
+  state = {
+    value: Value.fromJSON(defaultValue as ValueJSON),
+    isOnline: true,
+    plugins: []
+  }
+
+  componentDidMount() {
+    const plugin = ClientPlugin({
+      url: `http://localhost:9000/${this.props.slug}`,
+      connectOpts: {
+        query: {
+          name: this.props.name,
+          token: this.props.id,
+          slug: this.props.slug
+        }
+      },
+      // preloader: () => <div>PRELOADER!!!!!!</div>,
+      onConnect: this.onConnect,
+      onDisconnect: this.onDisconnect
+    })
+
+    this.setState({
+      plugins: [plugin]
+    })
+  }
+
+  render() {
+    const { plugins, isOnline, value } = this.state
+    const { id, name } = this.props
+
+    return (
+      <Instance online={isOnline}>
+        <Title>
+          <Head>Editor: {name}</Head>
+          <Button type="button" onClick={this.toggleOnline}>
+            Go {isOnline ? 'offline' : 'online'}
+          </Button>
+          <Button type="button" onClick={() => this.props.removeUser(id)}>
+            Remove
+          </Button>
+        </Title>
+        <ClientFrame>
+          <Editor
+            value={value}
+            ref={this.ref}
+            plugins={plugins}
+            onChange={this.onChange}
+          />
+        </ClientFrame>
+      </Instance>
+    )
+  }
+
+  onChange = ({ value }: any) => {
+    this.setState({ value })
+  }
+
+  onConnect = () => this.setState({ isOnline: true })
+
+  onDisconnect = () => this.setState({ isOnline: false })
+
+  ref = node => {
+    this.editor = node
+  }
+
+  toggleOnline = () => {
+    const { isOnline } = this.state
+    const { connect, disconnect } = this.editor.connection
+
+    isOnline ? disconnect() : connect()
+  }
+}
+
+export default Client
+
+const Head = styled(H4)`
+  margin-right: auto;
+`
diff --git a/packages/example/src/Room.tsx b/packages/example/src/Room.tsx
new file mode 100644
index 0000000..a4c6623
--- /dev/null
+++ b/packages/example/src/Room.tsx
@@ -0,0 +1,92 @@
+import React, { Component, ChangeEvent } from 'react'
+import faker from 'faker'
+import debounce from 'lodash/debounce'
+
+import { RoomWrapper, H4, Title, Button, Grid, Input } from './elements'
+
+import Client from './Client'
+
+interface User {
+  id: string
+  name: string
+}
+
+interface RoomProps {
+  slug: string
+  removeRoom: () => void
+}
+
+interface RoomState {
+  users: User[]
+  slug: string
+  rebuild: boolean
+}
+
+class Room extends Component<RoomProps, RoomState> {
+  state = {
+    users: [],
+    slug: this.props.slug,
+    rebuild: false
+  }
+
+  componentDidMount() {
+    this.addUser()
+  }
+
+  render() {
+    const { users, slug, rebuild } = this.state
+
+    return (
+      <RoomWrapper>
+        <Title>
+          <H4>Document slug:</H4>
+          <Input type="text" value={slug} onChange={this.changeSlug} />
+          <Button type="button" onClick={this.addUser}>
+            Add random user
+          </Button>
+          <Button type="button" onClick={this.props.removeRoom}>
+            Remove Room
+          </Button>
+        </Title>
+        <Grid>
+          {users.map(
+            (user: User) =>
+              !rebuild && (
+                <Client
+                  {...user}
+                  slug={slug}
+                  key={user.id}
+                  removeUser={this.removeUser}
+                />
+              )
+          )}
+        </Grid>
+      </RoomWrapper>
+    )
+  }
+
+  addUser = () => {
+    const user = {
+      id: faker.random.uuid(),
+      name: `${faker.name.firstName()} ${faker.name.lastName()}`
+    }
+
+    this.setState({ users: [...this.state.users, user] })
+  }
+
+  removeUser = (userId: string) => {
+    this.setState({
+      users: this.state.users.filter((u: User) => u.id !== userId)
+    })
+  }
+
+  changeSlug = (e: ChangeEvent<HTMLInputElement>) => {
+    this.setState({ slug: e.target.value }, this.rebuildClient)
+  }
+
+  rebuildClient = debounce(() => {
+    this.setState({ rebuild: true }, () => this.setState({ rebuild: false }))
+  }, 300)
+}
+
+export default Room
diff --git a/packages/example/src/defaultValue.js b/packages/example/src/defaultValue.js
new file mode 100644
index 0000000..fe8a584
--- /dev/null
+++ b/packages/example/src/defaultValue.js
@@ -0,0 +1,17 @@
+module.exports = {
+  document: {
+    nodes: [
+      {
+        object: 'block',
+        type: 'paragraph',
+        nodes: [
+          {
+            object: 'text',
+            marks: [],
+            text: 'Hello collaborator!'
+          }
+        ]
+      }
+    ]
+  }
+}
diff --git a/packages/example/src/elements.tsx b/packages/example/src/elements.tsx
new file mode 100644
index 0000000..6cda0de
--- /dev/null
+++ b/packages/example/src/elements.tsx
@@ -0,0 +1,64 @@
+import styled from '@emotion/styled'
+
+export const RoomWrapper = styled.div`
+  padding: 30px;
+  border-bottom: 2px solid #e8e8e8;
+`
+
+export const H4 = styled.h4`
+  margin: 0;
+  padding-right: 10px;
+`
+
+export const Input = styled.input`
+  padding: 6px 14px;
+  font-size: 14px;
+  margin-right: 10px;
+  min-width: 240px;
+  outline: none;
+  border: 2px solid palevioletred;
+  & + button {
+    margin-left: auto;
+  }
+`
+
+export const Button = styled.button`
+  padding: 6px 14px;
+  display: block;
+  outline: none;
+  font-size: 14px;
+  text-align: center;
+  color: palevioletred;
+  white-space: nowrap;
+  border: 2px solid palevioletred;
+  & + button {
+    margin-left: 10px;
+  }
+`
+
+export const Grid = styled.div`
+  display: grid;
+  grid-gap: 2vw;
+  grid-template-columns: 1fr 1fr;
+`
+
+export const Title = styled.div`
+  display: flex;
+  align-items: center;
+  margin-bottom: 20px;
+`
+
+export const Instance = styled.div<{ online: boolean }>`
+  background: ${props =>
+    props.online ? 'rgba(128, 128, 128, 0.1)' : 'rgba(247, 0, 0, 0.2)'};
+  padding: 20px 30px 40px;
+`
+
+export const ClientFrame = styled.div`
+  box-shadow: 2px 2px 4px rgba(128, 128, 128, 0.2);
+  padding: 10px;
+  min-height: 70px;
+  margin-left: -10px;
+  margin-right: -10px;
+  background: white;
+`
diff --git a/packages/example/src/index.tsx b/packages/example/src/index.tsx
new file mode 100644
index 0000000..69f4ddf
--- /dev/null
+++ b/packages/example/src/index.tsx
@@ -0,0 +1,6 @@
+import React from 'react'
+import ReactDOM from 'react-dom'
+
+import App from './App'
+
+ReactDOM.render(<App />, document.getElementById('root'))
diff --git a/packages/example/src/react-app-env.d.ts b/packages/example/src/react-app-env.d.ts
new file mode 100644
index 0000000..6431bc5
--- /dev/null
+++ b/packages/example/src/react-app-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="react-scripts" />
diff --git a/packages/example/tsconfig.json b/packages/example/tsconfig.json
new file mode 100644
index 0000000..3821f08
--- /dev/null
+++ b/packages/example/tsconfig.json
@@ -0,0 +1,22 @@
+{
+  "include": ["src/**/*"],
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "baseUrl": "src",
+    "jsx": "react",
+    "allowJs": true,
+    "declaration": false,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "noEmit": true,
+    "isolatedModules": true,
+    "skipLibCheck": true
+  }
+}
diff --git a/tsconfig.base.json b/tsconfig.base.json
new file mode 100644
index 0000000..b6f1a1e
--- /dev/null
+++ b/tsconfig.base.json
@@ -0,0 +1,19 @@
+{
+  "include": ["packages/*/src"],
+  "compilerOptions": {
+    "module": "esnext",
+    "declaration": true,
+    "noImplicitAny": false,
+    "removeComments": true,
+    "noLib": false,
+    "moduleResolution": "node",
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "target": "es5",
+    "sourceMap": true,
+    "lib": ["es6", "es5"],
+    "paths": {
+      "@slate-collaborative/*": ["packages/*/src"]
+    }
+  }
+}
diff --git a/tslint.json b/tslint.json
new file mode 100644
index 0000000..f28b04e
--- /dev/null
+++ b/tslint.json
@@ -0,0 +1,3 @@
+{
+  "extends": ["tslint:latest", "tslint-config-prettier"]
+}