249 lines
9.1 KiB
JavaScript
249 lines
9.1 KiB
JavaScript
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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var __assign = (this && this.__assign) || function () {
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__assign = Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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return __assign.apply(this, arguments);
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.WebSocketSubject = void 0;
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var Subject_1 = require("../../Subject");
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var Subscriber_1 = require("../../Subscriber");
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var Observable_1 = require("../../Observable");
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var Subscription_1 = require("../../Subscription");
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var ReplaySubject_1 = require("../../ReplaySubject");
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var DEFAULT_WEBSOCKET_CONFIG = {
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url: '',
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deserializer: function (e) { return JSON.parse(e.data); },
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serializer: function (value) { return JSON.stringify(value); },
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};
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var WEBSOCKETSUBJECT_INVALID_ERROR_OBJECT = 'WebSocketSubject.error must be called with an object with an error code, and an optional reason: { code: number, reason: string }';
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var WebSocketSubject = (function (_super) {
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__extends(WebSocketSubject, _super);
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function WebSocketSubject(urlConfigOrSource, destination) {
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var _this = _super.call(this) || this;
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_this._socket = null;
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if (urlConfigOrSource instanceof Observable_1.Observable) {
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_this.destination = destination;
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_this.source = urlConfigOrSource;
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}
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else {
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var config = (_this._config = __assign({}, DEFAULT_WEBSOCKET_CONFIG));
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_this._output = new Subject_1.Subject();
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if (typeof urlConfigOrSource === 'string') {
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config.url = urlConfigOrSource;
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}
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else {
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for (var key in urlConfigOrSource) {
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if (urlConfigOrSource.hasOwnProperty(key)) {
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config[key] = urlConfigOrSource[key];
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}
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}
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}
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if (!config.WebSocketCtor && WebSocket) {
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config.WebSocketCtor = WebSocket;
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}
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else if (!config.WebSocketCtor) {
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throw new Error('no WebSocket constructor can be found');
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}
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_this.destination = new ReplaySubject_1.ReplaySubject();
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}
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return _this;
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}
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WebSocketSubject.prototype.lift = function (operator) {
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var sock = new WebSocketSubject(this._config, this.destination);
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sock.operator = operator;
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sock.source = this;
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return sock;
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};
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WebSocketSubject.prototype._resetState = function () {
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this._socket = null;
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if (!this.source) {
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this.destination = new ReplaySubject_1.ReplaySubject();
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}
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this._output = new Subject_1.Subject();
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};
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WebSocketSubject.prototype.multiplex = function (subMsg, unsubMsg, messageFilter) {
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var self = this;
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return new Observable_1.Observable(function (observer) {
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try {
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self.next(subMsg());
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}
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catch (err) {
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observer.error(err);
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}
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var subscription = self.subscribe({
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next: function (x) {
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try {
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if (messageFilter(x)) {
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observer.next(x);
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}
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}
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catch (err) {
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observer.error(err);
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}
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},
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error: function (err) { return observer.error(err); },
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complete: function () { return observer.complete(); },
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});
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return function () {
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try {
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self.next(unsubMsg());
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}
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catch (err) {
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observer.error(err);
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}
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subscription.unsubscribe();
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};
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});
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};
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WebSocketSubject.prototype._connectSocket = function () {
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var _this = this;
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var _a = this._config, WebSocketCtor = _a.WebSocketCtor, protocol = _a.protocol, url = _a.url, binaryType = _a.binaryType;
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var observer = this._output;
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var socket = null;
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try {
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socket = protocol ? new WebSocketCtor(url, protocol) : new WebSocketCtor(url);
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this._socket = socket;
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if (binaryType) {
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this._socket.binaryType = binaryType;
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}
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}
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catch (e) {
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observer.error(e);
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return;
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}
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var subscription = new Subscription_1.Subscription(function () {
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_this._socket = null;
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if (socket && socket.readyState === 1) {
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socket.close();
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}
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});
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socket.onopen = function (evt) {
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var _socket = _this._socket;
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if (!_socket) {
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socket.close();
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_this._resetState();
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return;
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}
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var openObserver = _this._config.openObserver;
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if (openObserver) {
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openObserver.next(evt);
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}
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var queue = _this.destination;
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_this.destination = Subscriber_1.Subscriber.create(function (x) {
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if (socket.readyState === 1) {
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try {
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var serializer = _this._config.serializer;
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socket.send(serializer(x));
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}
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catch (e) {
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_this.destination.error(e);
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}
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}
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}, function (err) {
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var closingObserver = _this._config.closingObserver;
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if (closingObserver) {
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closingObserver.next(undefined);
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}
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if (err && err.code) {
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socket.close(err.code, err.reason);
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}
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else {
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observer.error(new TypeError(WEBSOCKETSUBJECT_INVALID_ERROR_OBJECT));
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}
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_this._resetState();
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}, function () {
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var closingObserver = _this._config.closingObserver;
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if (closingObserver) {
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closingObserver.next(undefined);
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}
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socket.close();
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_this._resetState();
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});
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if (queue && queue instanceof ReplaySubject_1.ReplaySubject) {
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subscription.add(queue.subscribe(_this.destination));
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}
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};
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socket.onerror = function (e) {
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_this._resetState();
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observer.error(e);
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};
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socket.onclose = function (e) {
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if (socket === _this._socket) {
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_this._resetState();
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}
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var closeObserver = _this._config.closeObserver;
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if (closeObserver) {
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closeObserver.next(e);
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}
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if (e.wasClean) {
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observer.complete();
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}
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else {
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observer.error(e);
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}
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};
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socket.onmessage = function (e) {
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try {
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var deserializer = _this._config.deserializer;
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observer.next(deserializer(e));
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}
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catch (err) {
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observer.error(err);
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}
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};
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};
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WebSocketSubject.prototype._subscribe = function (subscriber) {
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var _this = this;
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var source = this.source;
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if (source) {
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return source.subscribe(subscriber);
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}
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if (!this._socket) {
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this._connectSocket();
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}
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this._output.subscribe(subscriber);
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subscriber.add(function () {
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var _socket = _this._socket;
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if (_this._output.observers.length === 0) {
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if (_socket && (_socket.readyState === 1 || _socket.readyState === 0)) {
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_socket.close();
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}
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_this._resetState();
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}
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});
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return subscriber;
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};
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WebSocketSubject.prototype.unsubscribe = function () {
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var _socket = this._socket;
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if (_socket && (_socket.readyState === 1 || _socket.readyState === 0)) {
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_socket.close();
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}
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this._resetState();
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_super.prototype.unsubscribe.call(this);
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};
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return WebSocketSubject;
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}(Subject_1.AnonymousSubject));
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exports.WebSocketSubject = WebSocketSubject;
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//# sourceMappingURL=WebSocketSubject.js.map
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