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							241 lines
						
					
					
						
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							241 lines
						
					
					
						
							8.7 KiB
						
					
					
				"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 (b.hasOwnProperty(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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        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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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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        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(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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            }, function (err) { return observer.error(err); }, function () { return observer.complete(); }); | 
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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 ? | 
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                new WebSocketCtor(url, protocol) : | 
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                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 (e) { | 
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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(e); | 
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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 (e) { | 
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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 (e && e.code) { | 
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                    socket.close(e.code, e.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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            _this._resetState(); | 
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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) { | 
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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) { | 
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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
 |