"use strict"; function _instanceof(left, right) { if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) { return !!right[Symbol.hasInstance](left); } else { return left instanceof right; } } function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } function _classCallCheck(instance, Constructor) { if (!_instanceof(instance, Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } var Ws = /*#__PURE__*/function () { function Ws(ws, data) { var _this = this; _classCallCheck(this, Ws); // [{url, data, method...},,,,] this._ws = ws; this._data = data; // 待发送的消息列 this._msgs = []; this.socket = this.doLink(); this.doOpen(); // 订阅/发布模型 this._events = {}; // 是否保持连接 this._isLink = true; // 循环检查 setInterval(function () { if (_this._isLink) { if (_this.socket.readyState == 2 || _this.socket.readyState == 3) { _this.resetLink(); } } }, 3000); } // 重连 _createClass(Ws, [{ key: "resetLink", value: function resetLink() { this.socket = this.doLink(); this.doOpen(); } // 连接 }, { key: "doLink", value: function doLink() { var ws = new WebSocket( this._ws); return ws; } }, { key: "doOpen", value: function doOpen() { var _this2 = this; this.socket.addEventListener('open',function (ev) { _this2.onOpen(ev); }); this.socket.addEventListener('message',function (ev) { _this2.onMessage(ev); }); this.socket.addEventListener('close',function (ev) { _this2.onClose(ev); }); this.socket.addEventListener('error',function (ev) { _this2.onError(ev); }); } // 打开 }, { key: "onOpen", value: function onOpen() { var _this3 = this; // 打开时重发未发出的消息 var list = Object.assign([], this._msgs); list.forEach(function (item) { if (_this3.send(item)) { var idx = _this3._msgs.indexOf(item); if (idx != -1) { _this3._msgs.splice(idx, 1); } } }); } // 手动关闭 }, { key: "doClose", value: function doClose() { this._isLink = false; this._events = {}; this._msgs = []; this.socket.close({ success: function success() { console.log('socket close success'); } }); } // 添加监听 }, { key: "on", value: function on(name, handler) { this.subscribe(name, handler); } // 取消监听 }, { key: "off", value: function off(name, handler) { this.unsubscribe(name, handler); } // 关闭事件 }, { key: "onClose", value: function onClose() { var _this4 = this; // 是否重新连接 if (this._isLink) { setTimeout(function () { _this4.resetLink(); }, 3000); } } // 错误 }, { key: "onError", value: function onError(evt) { this.Notify({ Event: 'error', Data: evt }); } // 接受数据 }, { key: "onMessage", value: function onMessage(evt) { try { // 解析推送的数据 var data = JSON.parse(evt.data); // 通知订阅者 this.Notify({ Event: 'message', Data: data }); } catch (err) { console.error(' >> Data parsing error:', err); // 通知订阅者 this.Notify({ Event: 'error', Data: err }); } } // 订阅事件的方法 }, { key: "subscribe", value: function subscribe(name, handler) { if (this._events.hasOwnProperty(name)) { this._events[name].push(handler); // 追加事件 } else { this._events[name] = [handler]; // 添加事件 } } // 取消订阅事件 }, { key: "unsubscribe", value: function unsubscribe(name, handler) { var start = this._events[name].findIndex(function (item) { return item === handler; }); // 删除该事件 this._events[name].splice(start, 1); } // 发布后通知订阅者 }, { key: "Notify", value: function Notify(entry) { // 检查是否有订阅者 返回队列 var cbQueue = this._events[entry.Event]; if (cbQueue && cbQueue.length) { var _iterator = _createForOfIteratorHelper(cbQueue), _step; try { for (_iterator.s(); !(_step = _iterator.n()).done;) { var callback = _step.value; if (_instanceof(callback, Function)) callback(entry.Data); } } catch (err) { _iterator.e(err); } finally { _iterator.f(); } } } // 发送消息 }, { key: "send", value: function send(data) { if (this.socket.readyState == 1) { this.socket.send(JSON.stringify(data)); return true; } else { // 保存到待发送信息 if (!this._msgs.includes(data)) { this._msgs.push(data); } ; return false; } } }]); return Ws; }(); window.Ws = Ws;