fix: 解决某些情况下 onSocketOpen 无法监听的问题（h5）

src/platforms/h5/service/api/network/socket.js

-var socketTask
+const {
+  invokeCallbackHandler: invoke
+} = UniServiceJSBridge
+const eventNames = ['open', 'close', 'error', 'message']
+const callbacks = {}
+const socketTasks = []
 /**
  * SocketTask
  */
@@ -12,15 +17,55 @@ class SocketTask {
    * @param {string} url
    * @param {Array} protocols
    */
-  constructor (url, protocols) {
-    this._webSocket = new WebSocket(url, protocols)
+  constructor (url, protocols, callback) {
+    let error
+    try {
+      const webSocket = this._webSocket = new WebSocket(url, protocols)
+      webSocket.binaryType = 'arraybuffer'
+      this._callbacks = {}
+      eventNames.forEach(name => {
+        this._callbacks[name] = []
+        webSocket.addEventListener(name, event => {
+          const res = name === 'message' ? {
+            data: event.data
+          } : {}
+          this._callbacks[name].forEach(callback => {
+            try {
+              callback(res)
+            } catch (e) {
+              console.error(`thirdScriptError\n${e};at socketTask.on${name[0].toUpperCase() + name.substr(1)} callback function\n`, e)
+            }
+          })
+          if (this === socketTasks[0] && callbacks[name]) {
+            invoke(callbacks[name], res)
+          }
+          if (name === 'error' || name === 'close') {
+            const index = socketTasks.indexOf(this)
+            if (index >= 0) {
+              socketTasks.splice(index, 1)
+            }
+          }
+        })
+      })
+      let propertys = ['CLOSED', 'CLOSING', 'CONNECTING', 'OPEN', 'readyState']
+      propertys.forEach((property) => {
+        Object.defineProperty(this, property, {
+          get () {
+            return webSocket[property]
+          }
+        })
+      })
+    } catch (e) {
+      error = e
+    }
+    callback(error, this)
   }
   /**
    * 发送
    * @param {any} data
    */
   send (options = {}) {
-    var data = options.data
+    const data = options.data
     const ws = this._webSocket
     try {
       ws.send(data)
@@ -35,60 +80,19 @@ class SocketTask {
    * @param {string} reason
    */
   close (options = {}) {
-    var code = options.data
-    var reason = options.data
     const ws = this._webSocket
+    const arrgs = []
+    arrgs.push(options.code || 1000)
+    if (typeof options.reason === 'string') {
+      arrgs.push(options.reason)
+    }
     try {
-      ws.close(code, reason)
+      ws.close(...arrgs)
       this._callback(options, 'sendSocketMessage:ok')
     } catch (error) {
       this._callback(options, `sendSocketMessage:fail ${error}`)
     }
   }
-  /**
-   * 监听开启
-   * @param {Function} callback
-   */
-  onOpen (callback) {
-    this._on('open', callback)
-  }
-  /**
-   * 监听关闭
-   * @param {Function} callback
-   */
-  onClose (callback) {
-    this._on('close', callback)
-  }
-  /**
-   * 监听错误
-   * @param {Function} callback
-   */
-  onError (callback) {
-    this._on('error', callback)
-  }
-  /**
-   * 监听消息
-   * @param {Function} callback
-   */
-  onMessage (callback) {
-    this._on('message', callback)
-  }
-  /**
-   * 监听事件
-   * @param {string} eventName
-   * @param {Function} callback
-   */
-  _on (eventName, callback) {
-    this._webSocket.addEventListener(eventName, event => {
-      if (eventName === 'message') {
-        callback({
-          data: event.data
-        })
-      } else {
-        callback()
-      }
-    }, false)
-  }
   /**
    * 通用回调处理
    */
@@ -97,7 +101,7 @@ class SocketTask {
     fail,
     complete
   }, errMsg) {
-    var data = {
+    const data = {
       errMsg
     }
     if (/:ok$/.test(errMsg)) {
@@ -114,7 +118,12 @@ class SocketTask {
     }
   }
 }
-
+eventNames.forEach(item => {
+  const name = item[0].toUpperCase() + item.substr(1)
+  SocketTask.prototype[`on${name}`] = function (callback) {
+    this._callbacks[item].push(callback)
+  }
+})
 /**
  * 创建一个 WebSocket 连接
  * @param {any} data 数据
@@ -124,16 +133,14 @@ export function connectSocket ({
   url,
   protocols
 }, callbackId) {
-  const {
-    invokeCallbackHandler: invoke
-  } = UniServiceJSBridge
-  socketTask = new SocketTask(url, protocols)
-  setTimeout(() => {
+  return new SocketTask(url, protocols, (error, socketTask) => {
+    if (!error) {
+      socketTasks.push(socketTask)
+    }
     invoke(callbackId, {
-      errMsg: 'connectSocket:ok'
+      errMsg: 'connectSocket:' + (error ? `fail ${error}` : 'ok')
     })
-  }, 0)
-  return socketTask
+  })
 }
 /**
  * 通过 WebSocket 连接发送数据
@@ -141,11 +148,9 @@ export function connectSocket ({
  * @param {string} callbackId
  */
 export function sendSocketMessage (options, callbackId) {
-  const {
-    invokeCallbackHandler: invoke
-  } = UniServiceJSBridge
-  if (socketTask && socketTask._webSocket.readyState === WebSocket.OPEN) {
-    socketTask.send(Object.assign(options, {
+  const socketTask = socketTasks[0]
+  if (socketTask && socketTask.readyState === socketTask.OPEN) {
+    socketTask.send(Object.assign({}, options, {
       complete (res) {
         invoke(callbackId, res)
       }
@@ -162,11 +167,9 @@ export function sendSocketMessage (options, callbackId) {
  * @param {string} callbackId
  */
 export function closeSocket (options, callbackId) {
-  const {
-    invokeCallbackHandler: invoke
-  } = UniServiceJSBridge
-  if (socketTask && socketTask._webSocket.readyState !== WebSocket.CLOSED) {
-    socketTask.close(Object.assign(options, {
+  const socketTask = socketTasks[0]
+  if (socketTask) {
+    socketTask.close(Object.assign({}, options, {
       complete (res) {
         invoke(callbackId, res)
       }
@@ -182,34 +185,27 @@ export function closeSocket (options, callbackId) {
  * @param {string} method
  */
 function on (method) {
-  const {
-    invokeCallbackHandler: invoke
-  } = UniServiceJSBridge
   return function (callbackId) {
-    if (socketTask) {
-      socketTask[method](function (res) {
-        invoke(callbackId, res)
-      })
-    }
+    callbacks[method] = callbackId
   }
 }
 /**
  * 监听WebSocket连接打开事件
  * @param {Function} cb
  */
-export const onSocketOpen = on('onOpen')
+export const onSocketOpen = on('open')
 /**
  * 监听WebSocket错误
  * @param {Function} cb
  */
-export const onSocketError = on('onError')
+export const onSocketError = on('error')
 /**
  * 监听WebSocket接受到服务器的消息事件
  * @param {Function} cb
  */
-export const onSocketMessage = on('onMessage')
+export const onSocketMessage = on('message')
 /**
  * 监听WebSocket关闭
  * @param {Function} callback
  */
-export const onSocketClose = on('onClose')
+export const onSocketClose = on('close')