"use strict";
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function _instanceof(left, right) { if (right != null && typeof Symbol !== "undefined" && right[Symbol.hasInstance]) { return !!right[Symbol.hasInstance](left); } else { return left instanceof right; } }
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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; } } }; }
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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); }
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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; }
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function _classCallCheck(instance, Constructor) { if (!_instanceof(instance, Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
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var Ws = /*#__PURE__*/function () {
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function Ws(ws, data) {
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var _this = this;
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_classCallCheck(this, Ws);
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// [{url, data, method...},,,,]
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this._ws = ws;
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this._data = data; // 待发送的消息列
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this._msgs = [];
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this.socket = this.doLink();
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this.doOpen(); // 订阅/发布模型
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this._events = {}; // 是否保持连接
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this._isLink = true; // 循环检查
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setInterval(function () {
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if (_this._isLink) {
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if (_this.socket.readyState == 2 || _this.socket.readyState == 3) {
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_this.resetLink();
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}
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}
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}, 3000);
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} // 重连
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_createClass(Ws, [{
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key: "resetLink",
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value: function resetLink() {
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this.socket = this.doLink();
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this.doOpen();
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} // 连接
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}, {
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key: "doLink",
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value: function doLink() {
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var ws = new WebSocket( this._ws);
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return ws;
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}
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}, {
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key: "doOpen",
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value: function doOpen() {
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var _this2 = this;
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this.socket.addEventListener('open',function (ev) {
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_this2.onOpen(ev);
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});
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this.socket.addEventListener('message',function (ev) {
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_this2.onMessage(ev);
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});
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this.socket.addEventListener('close',function (ev) {
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_this2.onClose(ev);
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});
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this.socket.addEventListener('error',function (ev) {
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_this2.onError(ev);
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});
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} // 打开
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}, {
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key: "onOpen",
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value: function onOpen() {
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var _this3 = this;
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// 打开时重发未发出的消息
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var list = Object.assign([], this._msgs);
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list.forEach(function (item) {
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if (_this3.send(item)) {
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var idx = _this3._msgs.indexOf(item);
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if (idx != -1) {
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_this3._msgs.splice(idx, 1);
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}
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}
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});
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} // 手动关闭
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}, {
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key: "doClose",
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value: function doClose() {
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this._isLink = false;
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this._events = {};
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this._msgs = [];
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this.socket.close({
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success: function success() {
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console.log('socket close success');
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}
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});
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} // 添加监听
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}, {
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key: "on",
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value: function on(name, handler) {
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this.subscribe(name, handler);
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} // 取消监听
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}, {
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key: "off",
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value: function off(name, handler) {
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this.unsubscribe(name, handler);
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} // 关闭事件
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}, {
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key: "onClose",
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value: function onClose() {
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var _this4 = this;
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// 是否重新连接
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if (this._isLink) {
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setTimeout(function () {
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_this4.resetLink();
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}, 3000);
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}
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} // 错误
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}, {
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key: "onError",
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value: function onError(evt) {
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this.Notify({
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Event: 'error',
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Data: evt
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});
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} // 接受数据
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}, {
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key: "onMessage",
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value: function onMessage(evt) {
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try {
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// 解析推送的数据
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var data = JSON.parse(evt.data); // 通知订阅者
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this.Notify({
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Event: 'message',
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Data: data
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});
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} catch (err) {
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console.error(' >> Data parsing error:', err); // 通知订阅者
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this.Notify({
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Event: 'error',
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Data: err
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});
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}
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} // 订阅事件的方法
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}, {
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key: "subscribe",
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value: function subscribe(name, handler) {
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if (this._events.hasOwnProperty(name)) {
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this._events[name].push(handler); // 追加事件
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} else {
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this._events[name] = [handler]; // 添加事件
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}
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} // 取消订阅事件
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}, {
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key: "unsubscribe",
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value: function unsubscribe(name, handler) {
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var start = this._events[name].findIndex(function (item) {
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return item === handler;
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}); // 删除该事件
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this._events[name].splice(start, 1);
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} // 发布后通知订阅者
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}, {
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key: "Notify",
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value: function Notify(entry) {
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// 检查是否有订阅者 返回队列
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var cbQueue = this._events[entry.Event];
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if (cbQueue && cbQueue.length) {
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var _iterator = _createForOfIteratorHelper(cbQueue),
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_step;
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try {
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for (_iterator.s(); !(_step = _iterator.n()).done;) {
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var callback = _step.value;
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if (_instanceof(callback, Function)) callback(entry.Data);
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}
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} catch (err) {
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_iterator.e(err);
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} finally {
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_iterator.f();
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}
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}
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} // 发送消息
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}, {
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key: "send",
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value: function send(data) {
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if (this.socket.readyState == 1) {
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this.socket.send(JSON.stringify(data));
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return true;
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} else {
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// 保存到待发送信息
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if (!this._msgs.includes(data)) {
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this._msgs.push(data);
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}
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;
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return false;
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}
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}
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}]);
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return Ws;
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}();
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window.Ws = Ws;
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