[adapters] 增加小游戏适配部分源码

adapters/platforms/taobao-minigame/wrapper/builtin/Audio.js

@@ -0,0 +1,205 @@
+import HTMLAudioElement from './HTMLAudioElement'
+
+const HAVE_NOTHING = 0
+const HAVE_METADATA = 1
+const HAVE_CURRENT_DATA = 2
+const HAVE_FUTURE_DATA = 3
+const HAVE_ENOUGH_DATA = 4
+
+let SN_SEED = 1
+
+const _innerAudioContextMap = {}
+
+export default class Audio extends HTMLAudioElement {
+
+  constructor(url) {
+    super()
+
+    this._$sn = SN_SEED++;
+
+    this.HAVE_NOTHING = HAVE_NOTHING
+    this.HAVE_METADATA = HAVE_METADATA
+    this.HAVE_CURRENT_DATA = HAVE_CURRENT_DATA
+    this.HAVE_FUTURE_DATA = HAVE_FUTURE_DATA
+    this.HAVE_ENOUGH_DATA = HAVE_ENOUGH_DATA
+    
+    this.readyState = HAVE_NOTHING
+
+    const innerAudioContext = my.createInnerAudioContext()
+
+    _innerAudioContextMap[this._$sn] = innerAudioContext
+
+    this._canplayEvents = [
+      'load',
+      'loadend',
+      'canplay',
+      'canplaythrough',
+      'loadedmetadata'
+    ]
+
+    innerAudioContext.onCanplay(() => {
+      this._loaded = true
+      this.readyState = this.HAVE_CURRENT_DATA
+      this._canplayEvents.forEach((type) => {
+          this.dispatchEvent({ type: type })
+      })
+    })
+    innerAudioContext.onPlay(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      this.dispatchEvent({ type: 'play' })
+    })
+    innerAudioContext.onPause(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      this.dispatchEvent({ type: 'pause' })
+    })
+    innerAudioContext.onEnded(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      if (_innerAudioContextMap[this._$sn].loop === false) {
+          this.dispatchEvent({ type: 'ended' })
+      }
+      this.readyState = HAVE_ENOUGH_DATA
+    })
+    innerAudioContext.onError(() => {
+      this._paused = _innerAudioContextMap[this._$sn].paused
+      this.dispatchEvent({ type: 'error' })
+    })
+
+    if (url) {
+      this.src = url
+    } else {
+        this._src = ''
+    }
+
+    this._loop = innerAudioContext.loop
+    this._autoplay = innerAudioContext.autoplay
+    this._paused = innerAudioContext.paused
+    this._volume = innerAudioContext.volume
+    this._muted = false;
+  }
+  
+  addEventListener(type, listener, options = {}) {
+    super.addEventListener(type, listener, options)
+
+    type = String(type).toLowerCase()
+
+    if (this._loaded && this._canplayEvents.indexOf(type) !== -1) {
+        this.dispatchEvent({ type: type })
+    }
+  }
+
+  load() {
+    // console.warn('HTMLAudioElement.load() is not implemented.')
+    // weixin doesn't need call load() manually
+  }
+
+  play() {
+    _innerAudioContextMap[this._$sn].play()
+  }
+
+  resume() {
+    _innerAudioContextMap[this._$sn].resume()
+  }
+
+  pause() {
+    _innerAudioContextMap[this._$sn].pause()
+  }
+
+  stop() {
+      _innerAudioContextMap[this._$sn].stop()
+  }
+
+  destroy() {
+    _innerAudioContextMap[this._$sn].destroy()
+  }
+
+  canPlayType(mediaType = '') {
+    if (typeof mediaType !== 'string') {
+      return ''
+    }
+
+    if (mediaType.indexOf('audio/mpeg') > -1 || mediaType.indexOf('audio/mp4')) {
+      return 'probably'
+    }
+    return ''
+  }
+
+  get currentTime() {
+    return _innerAudioContextMap[this._$sn].currentTime
+  }
+
+  set currentTime(value) {
+    _innerAudioContextMap[this._$sn].seek(value)
+  }
+
+  get duration () {
+    return _innerAudioContextMap[this._$sn].duration
+  }
+
+  get src() {
+    return this._src
+  }
+
+  set src(value) {
+    this._src = value
+    this._loaded = false
+    this.readyState = this.HAVE_NOTHING
+
+    const innerAudioContext = _innerAudioContextMap[this._$sn]
+    
+    innerAudioContext.src = value
+  }
+
+  get loop() {
+    return this._loop
+  }
+
+  set loop(value) {
+    this._loop = value
+    _innerAudioContextMap[this._$sn].loop = value
+  }
+
+  get autoplay() {
+    return this.autoplay
+  }
+
+  set autoplay(value) {
+    this._autoplay = value
+    _innerAudioContextMap[this._$sn].autoplay = value
+  }
+
+  get paused() {
+    return this._paused;
+  }
+
+  get volume() {
+    return this._volume;
+  }
+
+  set volume(value) {
+    this._volume = value;
+    if (!this._muted) {
+      _innerAudioContextMap[this._$sn].volume = value;
+    }
+  }
+
+  get muted() {
+    return this._muted;
+  }
+
+  set muted(value) {
+    this._muted = value;
+    if (value) {
+      _innerAudioContextMap[this._$sn].volume = 0;
+    } else {
+      _innerAudioContextMap[this._$sn].volume = this._volume;
+    }
+  }
+
+  cloneNode() {
+    const newAudio = new Audio()
+    newAudio.loop = this.loop
+    newAudio.autoplay = this.autoplay
+    newAudio.src = this.src
+    return newAudio
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/Canvas.js

@@ -0,0 +1,77 @@
+import { innerWidth, innerHeight } from './WindowProperties'
+
+function Canvas () {}
+
+let CanvasProxy = new Proxy(Canvas, {
+  construct () {
+
+    const canvas = my.createCanvas()
+
+    canvas.type = 'canvas'
+  
+    // canvas.__proto__.__proto__.__proto__ = new HTMLCanvasElement()
+  
+    const _getContext = canvas.getContext
+  
+    canvas.getBoundingClientRect = () => {
+      const ret = {
+        top: 0,
+        left: 0,
+        width: window.innerWidth,
+        height: window.innerHeight
+      }
+      return ret
+    }
+  
+    canvas.style = {
+      top: '0px',
+      left: '0px',
+      width: innerWidth + 'px',
+      height: innerHeight + 'px',
+    }
+  
+    canvas.addEventListener = function (type, listener, options = {}) {
+      // console.log('canvas.addEventListener', type);
+      if (my.isIDE) {
+        $global.document.addEventListener(type, listener, options);
+      }
+    }
+  
+    canvas.removeEventListener = function (type, listener) {
+      // console.log('canvas.removeEventListener', type);
+      if (my.isIDE) {
+        $global.document.removeEventListener(type, listener);
+      }
+    }
+  
+    canvas.dispatchEvent = function (event = {}) {
+      // console.log('canvas.dispatchEvent' , event.type, event);
+      if (my.isIDE) {
+        $global.document.dispatchEvent(event);
+      }
+    }
+  
+    Object.defineProperty(canvas, 'clientWidth', {
+      enumerable: true,
+      get: function get() {
+        return innerWidth
+      }
+    })
+  
+    Object.defineProperty(canvas, 'clientHeight', {
+      enumerable: true,
+      get: function get() {
+        return innerHeight
+      }
+    })
+  
+    return canvas
+  },
+});
+
+// Expose the global canvas
+$global.screencanvas = $global.screencanvas || new CanvasProxy();
+// NOTE: this is a hack operation
+// let canvas = new window.Canvas()
+// console.error(canvas instanceof window.Canvas)  => false
+export default CanvasProxy;

adapters/platforms/taobao-minigame/wrapper/builtin/Element.js

@@ -0,0 +1,10 @@
+import Node from './Node'
+
+export default class Element extends Node {
+  className = ''
+  children = []
+
+  constructor() {
+    super()
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/Event.js

@@ -0,0 +1,14 @@
+import {noop} from './util'
+
+export default class Event {
+  cancelBubble = false
+  cancelable = false
+  target = null
+  timestampe = Date.now()
+  preventDefault = noop
+  stopPropagation = noop
+
+  constructor(type) {
+    this.type = type
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/EventTarget.js

@@ -0,0 +1,57 @@
+const _events = new WeakMap()
+
+export default class EventTarget {
+  constructor() {
+    _events.set(this, {})
+  }
+
+  addEventListener(type, listener, options = {}) {
+    let events = _events.get(this)
+
+    if (!events) {
+      events = {}
+      _events.set(this, events)
+    }
+    if (!events[type]) {
+      events[type] = []
+    }
+    events[type].push(listener)
+
+    if (options.capture) {
+      // console.warn('EventTarget.addEventListener: options.capture is not implemented.')
+    }
+    if (options.once) {
+      // console.warn('EventTarget.addEventListener: options.once is not implemented.')
+    }
+    if (options.passive) {
+      // console.warn('EventTarget.addEventListener: options.passive is not implemented.')
+    }
+  }
+
+  removeEventListener(type, listener) {
+    const events = _events.get(this)
+
+    if (events) {
+      const listeners = events[type]
+
+      if (listeners && listeners.length > 0) {
+          for (let i = listeners.length; i--; i > 0) {
+              if (listeners[i] === listener) {
+                  listeners.splice(i, 1)
+                  break
+              }
+          }
+      }
+    }
+  }
+
+  dispatchEvent(event = {}) {
+    const listeners = _events.get(this)[event.type]
+
+    if (listeners) {
+      for (let i = 0; i < listeners.length; i++) {
+        listeners[i](event)
+      }
+    }
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/HTMLAudioElement.js

@@ -0,0 +1,7 @@
+import HTMLElement from './HTMLElement'
+
+export default class HTMLAudioElement extends HTMLElement {
+  constructor() {
+    super('audio')
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/HTMLCanvasElement.js

@@ -0,0 +1,4 @@
+import "./Canvas"
+let HTMLCanvasElement = $global.screencanvas.constructor;
+
+export default HTMLCanvasElement;

adapters/platforms/taobao-minigame/wrapper/builtin/HTMLElement.js

@@ -0,0 +1,54 @@
+import Element from './Element'
+import { noop } from './util/index.js'
+import { innerWidth, innerHeight } from './WindowProperties'
+
+export default class HTMLElement extends Element {
+  className = ''
+  childern = []
+  style = {
+    width: `${innerWidth}px`,
+    height: `${innerHeight}px`
+  }
+
+  insertBefore = noop
+
+  innerHTML = ''
+
+  constructor(tagName = '') {
+    super()
+    this.tagName = tagName.toUpperCase()
+  }
+
+  setAttribute(name, value) {
+    this[name] = value
+  }
+
+  getAttribute(name) {
+    return this[name]
+  }
+
+  get clientWidth() {
+    const ret = parseInt(this.style.fontSize, 10) * this.innerHTML.length
+
+    return Number.isNaN(ret) ? 0 : ret
+  }
+
+  get clientHeight() {
+    const ret = parseInt(this.style.fontSize, 10)
+
+    return Number.isNaN(ret) ? 0 : ret
+  }
+
+  getBoundingClientRect() {
+    return {
+      top: 0,
+      left: 0,
+      width: innerWidth,
+      height: innerHeight
+    }
+  }
+
+  focus() {
+
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/HTMLImageElement.js

@@ -0,0 +1,4 @@
+var screencanvas = $global.screencanvas;
+let HTMLImageElement = screencanvas.createImage().constructor;
+
+export default HTMLImageElement;

adapters/platforms/taobao-minigame/wrapper/builtin/Image.js

@@ -0,0 +1,7 @@
+import './Canvas'
+
+function Image () {
+    return $global.screencanvas.createImage();
+}
+
+export default Image;

adapters/platforms/taobao-minigame/wrapper/builtin/ImageBitmap.js

@@ -0,0 +1,5 @@
+export default class ImageBitmap {
+    constructor() {
+        // TODO
+    }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/Node.js

@@ -0,0 +1,34 @@
+import EventTarget from './EventTarget.js'
+
+export default class Node extends EventTarget {
+  constructor() {
+    super()
+  }
+
+  childNodes = []
+
+  appendChild(node) {
+    this.childNodes.push(node)
+    // if (node instanceof Node) {
+    //   this.childNodes.push(node)
+    // } else {
+    //   throw new TypeError('Failed to executed \'appendChild\' on \'Node\': parameter 1 is not of type \'Node\'.')
+    // }
+  }
+
+  cloneNode() {
+    const copyNode = Object.create(this)
+
+    Object.assign(copyNode, this)
+    return copyNode
+  }
+
+  removeChild(node) {
+    const index = this.childNodes.findIndex((child) => child === node)
+
+    if (index > -1) {
+      return this.childNodes.splice(index, 1)
+    }
+    return null
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/WebGLRenderingContext.js

@@ -0,0 +1,5 @@
+export default class WebGLRenderingContext {
+    constructor() {
+        // TODO
+    }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/WebSocket.js

@@ -0,0 +1,139 @@
+const _utils = require('../../../../common/utils');
+
+const MAX_AMOUNT_WEBSOCKET = 1  // The maximum number of WEBSOCKET
+let CURR_AMOUNT_WEBSOCKET = 0   // The current number of WEBSOCKET
+
+export default class WebSocket {
+  static CONNECTING = 0 // The connection is not yet open.
+  static OPEN = 1 // The connection is open and ready to communicate.
+  static CLOSING = 2 // The connection is in the process of closing.
+  static CLOSED = 3 // The connection is closed or couldn't be opened.
+
+  binaryType = '' // TODO 更新 binaryType
+  bufferedAmount = 0 // TODO 更新 bufferedAmount
+  extensions = ''
+
+  onopen = null
+  onmessage = null
+  onerror = null
+  onclose = null
+
+  _onMessage = null
+  _onOpen = null
+  _onError = null
+  _onClose = null
+  _isReduced = false
+
+  protocol = '' // TODO 小程序内目前获取不到，实际上需要根据服务器选择的 sub-protocol 返回
+  readyState = 3
+
+  constructor(url, protocols = []) {
+    if(this._isMaxCount()){
+      console.warn(`Failed to construct 'WebSocket': Only ${CURR_AMOUNT_WEBSOCKET} WebSocket can be created at the same time on TaoBao.`);
+      return this;
+    }
+
+    if (typeof url !== 'string' || !(/(^ws:\/\/)|(^wss:\/\/)/).test(url)) {
+      throw new TypeError(`Failed to construct 'WebSocket': The URL '${url}' is invalid`)
+    }
+
+    this.url = url
+    this.readyState = WebSocket.CONNECTING
+    this._increaseCount();
+
+    my.connectSocket({
+      url,
+      fail: function fail(res) {
+        this._triggerEvent('error', res)
+      }
+    })
+
+    this._onOpen = (res) => {
+      this.readyState = WebSocket.OPEN
+      this._triggerEvent('open')
+    }
+    my.onSocketOpen(this._onOpen)
+
+    this._onMessage = (res) => {
+      if (res && res.data && res.isBuffer) {
+        res.data = _utils.base64ToArrayBuffer(res.data)
+      }
+      this._triggerEvent('message', res)
+    }
+    my.onSocketMessage(this._onMessage)
+
+    this._onError = (res) => {
+      this._triggerEvent('error', res)
+      this._decreaseCount();
+    }
+    my.onSocketError(this._onError)
+
+    this._onClose = (res) => {
+      this.readyState = WebSocket.CLOSED
+      this._triggerEvent('close')
+      this._removeAllSocketListenr()
+      this._decreaseCount();
+    }
+    my.onSocketClose(this._onClose)
+
+    return this
+  }
+
+  close() {
+    this.readyState = WebSocket.CLOSING
+    my.closeSocket()
+  }
+
+  send(data) {
+    if (typeof data !== 'string' && !(data instanceof ArrayBuffer) && !ArrayBuffer.isView(data)) {
+      throw new TypeError(`Failed to send message: The data ${data} is invalid`)
+    }else{
+      var isBuffer = false;
+      if (data instanceof ArrayBuffer) {
+          data = _utils.arrayBufferToBase64(data)
+          isBuffer = true
+      }
+  
+      my.sendSocketMessage({
+          data,
+          isBuffer,
+          fail: function (res) {
+            this._triggerEvent('error', res)
+          }
+      });
+    }
+  }
+
+  _triggerEvent(type, ...args) {
+    if (typeof this[`on${type}`] === 'function') {
+      this[`on${type}`].apply(this, args)
+    }
+  }
+
+  _removeAllSocketListenr(){
+    my.offSocketOpen(this._onOpen)
+    my.offSocketMessage(this._onMessage)
+    my.offSocketError(this._onError)
+    my.offSocketClose(this._onClose)
+
+    this._onOpen = null
+    this._onMessage = null
+    this._onError = null
+    this._onClose = null
+  }
+
+  _increaseCount(){
+    CURR_AMOUNT_WEBSOCKET += 1
+  }
+
+  _decreaseCount(){
+    if(!this._isReduced){
+      CURR_AMOUNT_WEBSOCKET -= 1
+      this._isReduced = true
+    }
+  }
+
+  _isMaxCount(){
+    return CURR_AMOUNT_WEBSOCKET >= MAX_AMOUNT_WEBSOCKET
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/WindowProperties.js

@@ -0,0 +1,27 @@
+const { pixelRatio, windowWidth, windowHeight } = my.getSystemInfoSync()
+const devicePixelRatio = pixelRatio;
+
+let width, height;
+{
+  width = windowWidth;
+  height = windowHeight;
+}
+export const innerWidth = width;
+export const innerHeight = height;
+export { devicePixelRatio }
+export const screen = {
+  width,
+  height,
+  availWidth: innerWidth,
+  availHeight: innerHeight,
+  availLeft: 0,
+  availTop: 0,
+}
+
+export const performance = {
+  now: Date.now
+};
+
+export const ontouchstart = null;
+export const ontouchmove = null;
+export const ontouchend = null;

adapters/platforms/taobao-minigame/wrapper/builtin/XMLHttpRequest.js

@@ -0,0 +1,136 @@
+import EventTarget from './EventTarget.js'
+
+const _url = new WeakMap()
+const _method = new WeakMap()
+const _requestHeader = new WeakMap()
+const _responseHeader = new WeakMap()
+const _requestTask = new WeakMap()
+
+function _triggerEvent(type, ...args) {
+  if (typeof this[`on${type}`] === 'function') {
+    this[`on${type}`].apply(this, args)
+  }
+}
+
+function _changeReadyState(readyState) {
+  this.readyState = readyState
+  _triggerEvent.call(this, 'readystatechange')
+}
+
+export default class XMLHttpRequest extends EventTarget {
+  // TODO 没法模拟 HEADERS_RECEIVED 和 LOADING 两个状态
+  static UNSEND = 0
+  static OPENED = 1
+  static HEADERS_RECEIVED = 2
+  static LOADING = 3
+  static DONE = 4
+
+  timeout = 0;
+  /*
+   * TODO 这一批事件应该是在 XMLHttpRequestEventTarget.prototype 上面的
+   */
+  onabort = null
+  onerror = null
+  onload = null
+  onloadstart = null
+  onprogress = null
+  ontimeout = null
+  onloadend = null
+
+  onreadystatechange = null
+  readyState = 0
+  response = null
+  responseText = null
+  responseType = ''
+  responseXML = null
+  status = 0
+  statusText = ''
+  upload = {}
+  withCredentials = false
+
+  constructor() {
+    super();
+
+    _requestHeader.set(this, {
+      'content-type': 'application/json'
+    })
+    _responseHeader.set(this, {})
+  }
+
+  abort() {
+    const myRequestTask =  _requestTask.get(this)
+
+    if (myRequestTask) {
+      myRequestTask.abort()
+    }
+  }
+
+  getAllResponseHeaders() {
+    const responseHeader = _responseHeader.get(this)
+
+    return Object.keys(responseHeader).map((header) => {
+      return `${header}: ${responseHeader[header]}`
+    }).join('\n')
+  }
+
+  getResponseHeader(header) {
+    return _responseHeader.get(this)[header]
+  }
+
+  open(method, url/* async, user, password 这几个参数在小程序内不支持*/) {
+    _method.set(this, method)
+    _url.set(this, url)
+    _changeReadyState.call(this, XMLHttpRequest.OPENED)
+  }
+
+  overrideMimeType() {
+  }
+
+  send(data = '') {
+    if (this.readyState !== XMLHttpRequest.OPENED) {
+      throw new Error("Failed to execute 'send' on 'XMLHttpRequest': The object's state must be OPENED.")
+    } else {
+      let myRequestTask = my.tb.request({
+        body: JSON.stringify(data),
+        url: _url.get(this),
+        method: _method.get(this),
+        headers: _requestHeader.get(this),
+        options: {timeout: this.timeout, enableSystemParams: true},
+        success: (res) => {
+          this.status = res.code;
+          this.responseText = this.response = res.content;
+          _responseHeader.set(this, _requestHeader.get(this))
+          _triggerEvent.call(this, 'loadstart')
+          _changeReadyState.call(this, XMLHttpRequest.HEADERS_RECEIVED)
+          _changeReadyState.call(this, XMLHttpRequest.LOADING)
+          _changeReadyState.call(this, XMLHttpRequest.DONE)
+          _triggerEvent.call(this, 'load')
+          _triggerEvent.call(this, 'loadend')
+        },
+        fail: (res) => {
+          _triggerEvent.call(this, 'error', res)
+          _triggerEvent.call(this, 'loadend')
+        }
+      })
+
+      _requestTask.set(this, myRequestTask);
+    }
+  }
+
+  setRequestHeader(header, value) {
+    const myHeader = _requestHeader.get(this)
+
+    myHeader[header] = value
+    _requestHeader.set(this, myHeader)
+  }
+
+  addEventListener(type, listener) {
+      if (typeof listener === 'function') {
+          let _this = this
+          let event = { target: _this }
+          this['on' + type] = function (event) {
+              listener.call(_this, event)
+          }
+      }
+  }
+}

adapters/platforms/taobao-minigame/wrapper/builtin/cancelAnimationFrame.js

@@ -0,0 +1,4 @@
+let screencanvas = $global.screencanvas;
+let cancelAnimationFrame = screencanvas.cancelAnimationFrame.bind(screencanvas);
+
+export default cancelAnimationFrame;

adapters/platforms/taobao-minigame/wrapper/builtin/document.js

@@ -0,0 +1,124 @@
+import * as _window from './window'
+import HTMLElement from './HTMLElement'
+import Image from './Image'
+import * as Canvas from './Canvas'
+import Audio from './Audio'
+
+const events = {}
+
+var document = {
+  readyState: 'complete',
+  visibilityState: 'visible',
+  documentElement: _window,
+  hidden: false,
+  style: {},
+  location: _window.location,
+  ontouchstart: null,
+  ontouchmove: null,
+  ontouchend: null,
+
+  head: new HTMLElement('head'),
+  body: new HTMLElement('body'),
+
+  createElement(tagName) {
+    tagName = tagName.toLowerCase();
+    if (tagName === 'canvas') {
+      return new Canvas()
+    } else if (tagName === 'audio') {
+      return new Audio()
+    } else if (tagName === 'img') {
+      return new Image()
+    }
+
+    return new HTMLElement(tagName)
+  },
+
+  createElementNS(nameSpace, tagName) {
+    return this.createElement(tagName);
+  },
+
+  getElementById(id) {
+    if (id === _window.canvas.id) {
+      return _window.canvas
+    }
+    return null
+  },
+
+  getElementsByTagName(tagName) {
+    if (tagName === 'head') {
+      return [document.head]
+    } else if (tagName === 'body') {
+      return [document.body]
+    } else if (tagName === 'canvas') {
+      return [_window.canvas]
+    }
+    return []
+  },
+
+  getElementsByName(tagName) {
+    if (tagName === 'head') {
+      return [document.head]
+    } else if (tagName === 'body') {
+      return [document.body]
+    } else if (tagName === 'canvas') {
+      return [_window.canvas]
+    }
+    return []
+  },
+
+  querySelector(query) {
+    if (query === 'head') {
+      return document.head
+    } else if (query === 'body') {
+      return document.body
+    } else if (query === 'canvas') {
+      return _window.canvas
+    } else if (query === `#${_window.canvas.id}`) {
+      return _window.canvas
+    }
+    return null
+  },
+
+  querySelectorAll(query) {
+    if (query === 'head') {
+      return [document.head]
+    } else if (query === 'body') {
+      return [document.body]
+    } else if (query === 'canvas') {
+      return [_window.canvas]
+    }
+    return []
+  },
+
+  addEventListener(type, listener) {
+    if (!events[type]) {
+      events[type] = []
+    }
+    events[type].push(listener)
+  },
+
+  removeEventListener(type, listener) {
+    const listeners = events[type]
+
+    if (listeners && listeners.length > 0) {
+      for (let i = listeners.length; i--; i > 0) {
+        if (listeners[i] === listener) {
+          listeners.splice(i, 1)
+          break
+        }
+      }
+    }
+  },
+
+  dispatchEvent(event) {
+    const listeners = events[event.type]
+
+    if (listeners) {
+      for (let i = 0; i < listeners.length; i++) {
+        listeners[i](event)
+      }
+    }
+  }
+}
+
+export default document

adapters/platforms/taobao-minigame/wrapper/builtin/index.js

@@ -0,0 +1,61 @@
+import * as _window from './window'
+import * as _document from './document'
+
+var global = $global;
+
+function inject () {
+  // 暴露全局的 canvas
+  _window.canvas = $global.screencanvas;
+  _window.document = _document;
+
+  _window.addEventListener = (type, listener) => {
+    _window.document.addEventListener(type, listener)
+  }
+  _window.removeEventListener = (type, listener) => {
+    _window.document.removeEventListener(type, listener)
+  }
+  _window.dispatchEvent = _window.document.dispatchEvent;
+
+  const { platform } = my.getSystemInfoSync()
+
+  // 开发者工具无法重定义 window
+  if (typeof __devtoolssubcontext === 'undefined' && platform === 'devtools') {
+    for (const key in _window) {
+      const descriptor = Object.getOwnPropertyDescriptor(global, key)
+
+      if (!descriptor || descriptor.configurable === true) {
+        Object.defineProperty(window, key, {
+          value: _window[key]
+        })
+      }
+    }
+
+    for (const key in _window.document) {
+      const descriptor = Object.getOwnPropertyDescriptor(global.document, key)
+
+      if (!descriptor || descriptor.configurable === true) {
+        Object.defineProperty(global.document, key, {
+          value: _window.document[key]
+        })
+      }
+    }
+    window.parent = window
+  } else {
+    for (const key in _window) {
+      global[key] = _window[key]
+    }
+    global.window = _window
+    window = global
+    window.top = window.parent = window
+  }
+  
+  global.setTimeout = setTimeout;
+  global.clearTimeout = clearTimeout;
+  global.setInterval = setInterval;
+  global.clearInterval = clearInterval;
+}
+
+if (!global.__isAdapterInjected) {
+  global.__isAdapterInjected = true
+  inject()
+}

adapters/platforms/taobao-minigame/wrapper/builtin/localStorage.js

@@ -0,0 +1,37 @@
+const localStorage = {
+  get length() {
+    const { keys } = my.getStorageInfoSync()
+
+    return keys.length
+  },
+
+  key(n) {
+    const { keys } = my.getStorageInfoSync()
+
+    return keys[n]
+  },
+
+  getItem(key) {
+    let ret =  my.getStorageSync({
+      key,
+    });
+    return ret && ret.data;
+  },
+
+  setItem(key, data) {
+    return my.setStorageSync({
+      key,
+      data,
+    });
+  },
+
+  removeItem(key) {
+    my.removeStorageSync(key)
+  },
+
+  clear() {
+    my.clearStorageSync()
+  }
+}
+
+export default localStorage

adapters/platforms/taobao-minigame/wrapper/builtin/location.js

@@ -0,0 +1,7 @@
+var location = {
+  href: 'game.js',
+  reload() {
+  }
+}
+
+export default location

adapters/platforms/taobao-minigame/wrapper/builtin/navigator.js

@@ -0,0 +1,38 @@
+import { noop } from './util/index.js'
+
+// TODO 需要 my.getSystemInfo 获取更详细信息
+const systemInfo = my.getSystemInfoSync()
+console.log(systemInfo)
+
+const system = systemInfo.system;
+const platform = systemInfo.platform;
+const language = systemInfo.language;
+const version = systemInfo.version;
+
+const android = system ? system.toLowerCase().indexOf('android') !== -1 : false;
+
+const uaDesc = android ? `Android; CPU ${system}` : `iPhone; CPU iPhone OS ${system} like Mac OS X`;
+const ua = `Mozilla/5.0 (${uaDesc}) AppleWebKit/603.1.30 (KHTML, like Gecko) Mobile/14E8301 MicroMessenger/${version} MiniGame NetType/WIFI Language/${language}`;
+
+const navigator = {
+  platform,
+  language: language,
+  appVersion: `5.0 (${uaDesc}) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1`,
+  userAgent: ua,
+  onLine: true, // TODO 用 my.getNetworkStateChange 和 my.onNetworkStateChange 来返回真实的状态
+
+  // TODO 用 my.getLocation 来封装 geolocation
+  geolocation: {
+    getCurrentPosition: noop,
+    watchPosition: noop,
+    clearWatch: noop
+  }
+}
+
+if (my.onNetworkStatusChange) {
+    my.onNetworkStatusChange(function(event){
+        navigator.onLine = event.isConnected;
+    });
+}
+
+export default navigator

adapters/platforms/taobao-minigame/wrapper/builtin/requestAnimationFrame.js

@@ -0,0 +1,4 @@
+let screencanvas = $global.screencanvas;
+let requestAnimationFrame = screencanvas.requestAnimationFrame.bind(screencanvas);
+
+export default requestAnimationFrame;

adapters/platforms/taobao-minigame/wrapper/builtin/util/index.js

@@ -0,0 +1 @@
+export function noop() {}

adapters/platforms/taobao-minigame/wrapper/builtin/window.js

@@ -0,0 +1,15 @@
+export navigator from './navigator'
+export XMLHttpRequest from './XMLHttpRequest'
+export WebSocket from './WebSocket'
+export Image from './Image'
+export ImageBitmap from './ImageBitmap'
+export HTMLElement from './HTMLElement'
+export HTMLCanvasElement from './HTMLCanvasElement'
+export HTMLImageElement from './HTMLImageElement'
+export WebGLRenderingContext from './WebGLRenderingContext'
+export localStorage from './localStorage'
+export location from './location'
+export requestAnimationFrame from './requestAnimationFrame'
+export cancelAnimationFrame from './cancelAnimationFrame'
+export * from './WindowProperties'
+