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							391 lines
						
					
					
						
							14 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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Object.defineProperty(exports, "__esModule", { value: true }); | 
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var root_1 = require("../../util/root"); | 
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var Observable_1 = require("../../Observable"); | 
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var Subscriber_1 = require("../../Subscriber"); | 
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var map_1 = require("../../operators/map"); | 
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function getCORSRequest() { | 
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    if (root_1.root.XMLHttpRequest) { | 
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        return new root_1.root.XMLHttpRequest(); | 
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    } | 
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    else if (!!root_1.root.XDomainRequest) { | 
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        return new root_1.root.XDomainRequest(); | 
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    } | 
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    else { | 
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        throw new Error('CORS is not supported by your browser'); | 
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    } | 
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} | 
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function getXMLHttpRequest() { | 
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    if (root_1.root.XMLHttpRequest) { | 
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        return new root_1.root.XMLHttpRequest(); | 
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    } | 
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    else { | 
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        var progId = void 0; | 
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        try { | 
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            var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0']; | 
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            for (var i = 0; i < 3; i++) { | 
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                try { | 
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                    progId = progIds[i]; | 
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                    if (new root_1.root.ActiveXObject(progId)) { | 
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                        break; | 
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                    } | 
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                } | 
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                catch (e) { | 
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                } | 
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            } | 
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            return new root_1.root.ActiveXObject(progId); | 
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        } | 
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        catch (e) { | 
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            throw new Error('XMLHttpRequest is not supported by your browser'); | 
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        } | 
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    } | 
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} | 
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function ajaxGet(url, headers) { | 
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    if (headers === void 0) { headers = null; } | 
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    return new AjaxObservable({ method: 'GET', url: url, headers: headers }); | 
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} | 
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exports.ajaxGet = ajaxGet; | 
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function ajaxPost(url, body, headers) { | 
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    return new AjaxObservable({ method: 'POST', url: url, body: body, headers: headers }); | 
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} | 
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exports.ajaxPost = ajaxPost; | 
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function ajaxDelete(url, headers) { | 
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    return new AjaxObservable({ method: 'DELETE', url: url, headers: headers }); | 
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} | 
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exports.ajaxDelete = ajaxDelete; | 
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function ajaxPut(url, body, headers) { | 
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    return new AjaxObservable({ method: 'PUT', url: url, body: body, headers: headers }); | 
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} | 
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exports.ajaxPut = ajaxPut; | 
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function ajaxPatch(url, body, headers) { | 
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    return new AjaxObservable({ method: 'PATCH', url: url, body: body, headers: headers }); | 
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} | 
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exports.ajaxPatch = ajaxPatch; | 
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var mapResponse = map_1.map(function (x, index) { return x.response; }); | 
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function ajaxGetJSON(url, headers) { | 
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    return mapResponse(new AjaxObservable({ | 
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        method: 'GET', | 
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        url: url, | 
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        responseType: 'json', | 
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        headers: headers | 
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    })); | 
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} | 
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exports.ajaxGetJSON = ajaxGetJSON; | 
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var AjaxObservable = (function (_super) { | 
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    __extends(AjaxObservable, _super); | 
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    function AjaxObservable(urlOrRequest) { | 
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        var _this = _super.call(this) || this; | 
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        var request = { | 
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            async: true, | 
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            createXHR: function () { | 
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                return this.crossDomain ? getCORSRequest() : getXMLHttpRequest(); | 
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            }, | 
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            crossDomain: true, | 
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            withCredentials: false, | 
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            headers: {}, | 
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            method: 'GET', | 
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            responseType: 'json', | 
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            timeout: 0 | 
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        }; | 
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        if (typeof urlOrRequest === 'string') { | 
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            request.url = urlOrRequest; | 
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        } | 
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        else { | 
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            for (var prop in urlOrRequest) { | 
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                if (urlOrRequest.hasOwnProperty(prop)) { | 
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                    request[prop] = urlOrRequest[prop]; | 
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                } | 
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            } | 
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        } | 
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        _this.request = request; | 
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        return _this; | 
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    } | 
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    AjaxObservable.prototype._subscribe = function (subscriber) { | 
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        return new AjaxSubscriber(subscriber, this.request); | 
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    }; | 
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    AjaxObservable.create = (function () { | 
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        var create = function (urlOrRequest) { | 
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            return new AjaxObservable(urlOrRequest); | 
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        }; | 
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        create.get = ajaxGet; | 
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        create.post = ajaxPost; | 
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        create.delete = ajaxDelete; | 
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        create.put = ajaxPut; | 
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        create.patch = ajaxPatch; | 
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        create.getJSON = ajaxGetJSON; | 
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        return create; | 
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    })(); | 
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    return AjaxObservable; | 
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}(Observable_1.Observable)); | 
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exports.AjaxObservable = AjaxObservable; | 
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var AjaxSubscriber = (function (_super) { | 
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    __extends(AjaxSubscriber, _super); | 
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    function AjaxSubscriber(destination, request) { | 
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        var _this = _super.call(this, destination) || this; | 
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        _this.request = request; | 
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        _this.done = false; | 
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        var headers = request.headers = request.headers || {}; | 
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        if (!request.crossDomain && !_this.getHeader(headers, 'X-Requested-With')) { | 
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            headers['X-Requested-With'] = 'XMLHttpRequest'; | 
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        } | 
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        var contentTypeHeader = _this.getHeader(headers, 'Content-Type'); | 
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        if (!contentTypeHeader && !(root_1.root.FormData && request.body instanceof root_1.root.FormData) && typeof request.body !== 'undefined') { | 
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            headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'; | 
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        } | 
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        request.body = _this.serializeBody(request.body, _this.getHeader(request.headers, 'Content-Type')); | 
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        _this.send(); | 
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        return _this; | 
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    } | 
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    AjaxSubscriber.prototype.next = function (e) { | 
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        this.done = true; | 
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        var _a = this, xhr = _a.xhr, request = _a.request, destination = _a.destination; | 
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        var result; | 
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        try { | 
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            result = new AjaxResponse(e, xhr, request); | 
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        } | 
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        catch (err) { | 
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            return destination.error(err); | 
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        } | 
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        destination.next(result); | 
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    }; | 
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    AjaxSubscriber.prototype.send = function () { | 
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        var _a = this, request = _a.request, _b = _a.request, user = _b.user, method = _b.method, url = _b.url, async = _b.async, password = _b.password, headers = _b.headers, body = _b.body; | 
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        try { | 
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            var xhr = this.xhr = request.createXHR(); | 
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            this.setupEvents(xhr, request); | 
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            if (user) { | 
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                xhr.open(method, url, async, user, password); | 
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            } | 
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            else { | 
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                xhr.open(method, url, async); | 
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            } | 
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            if (async) { | 
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                xhr.timeout = request.timeout; | 
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                xhr.responseType = request.responseType; | 
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            } | 
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            if ('withCredentials' in xhr) { | 
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                xhr.withCredentials = !!request.withCredentials; | 
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            } | 
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            this.setHeaders(xhr, headers); | 
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            if (body) { | 
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                xhr.send(body); | 
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            } | 
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            else { | 
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                xhr.send(); | 
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            } | 
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        } | 
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        catch (err) { | 
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            this.error(err); | 
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        } | 
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    }; | 
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    AjaxSubscriber.prototype.serializeBody = function (body, contentType) { | 
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        if (!body || typeof body === 'string') { | 
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            return body; | 
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        } | 
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        else if (root_1.root.FormData && body instanceof root_1.root.FormData) { | 
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            return body; | 
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        } | 
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        if (contentType) { | 
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            var splitIndex = contentType.indexOf(';'); | 
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            if (splitIndex !== -1) { | 
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                contentType = contentType.substring(0, splitIndex); | 
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            } | 
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        } | 
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        switch (contentType) { | 
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            case 'application/x-www-form-urlencoded': | 
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                return Object.keys(body).map(function (key) { return encodeURIComponent(key) + "=" + encodeURIComponent(body[key]); }).join('&'); | 
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            case 'application/json': | 
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                return JSON.stringify(body); | 
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            default: | 
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                return body; | 
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        } | 
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    }; | 
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    AjaxSubscriber.prototype.setHeaders = function (xhr, headers) { | 
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        for (var key in headers) { | 
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            if (headers.hasOwnProperty(key)) { | 
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                xhr.setRequestHeader(key, headers[key]); | 
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            } | 
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        } | 
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    }; | 
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    AjaxSubscriber.prototype.getHeader = function (headers, headerName) { | 
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        for (var key in headers) { | 
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            if (key.toLowerCase() === headerName.toLowerCase()) { | 
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                return headers[key]; | 
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            } | 
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        } | 
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        return undefined; | 
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    }; | 
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    AjaxSubscriber.prototype.setupEvents = function (xhr, request) { | 
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        var progressSubscriber = request.progressSubscriber; | 
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        function xhrTimeout(e) { | 
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            var _a = xhrTimeout, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request; | 
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            if (progressSubscriber) { | 
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                progressSubscriber.error(e); | 
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            } | 
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            var error; | 
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            try { | 
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                error = new exports.AjaxTimeoutError(this, request); | 
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            } | 
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            catch (err) { | 
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                error = err; | 
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            } | 
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            subscriber.error(error); | 
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        } | 
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        xhr.ontimeout = xhrTimeout; | 
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        xhrTimeout.request = request; | 
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        xhrTimeout.subscriber = this; | 
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        xhrTimeout.progressSubscriber = progressSubscriber; | 
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        if (xhr.upload && 'withCredentials' in xhr) { | 
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            if (progressSubscriber) { | 
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                var xhrProgress_1; | 
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                xhrProgress_1 = function (e) { | 
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                    var progressSubscriber = xhrProgress_1.progressSubscriber; | 
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                    progressSubscriber.next(e); | 
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                }; | 
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                if (root_1.root.XDomainRequest) { | 
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                    xhr.onprogress = xhrProgress_1; | 
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                } | 
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                else { | 
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                    xhr.upload.onprogress = xhrProgress_1; | 
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                } | 
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                xhrProgress_1.progressSubscriber = progressSubscriber; | 
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            } | 
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            var xhrError_1; | 
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            xhrError_1 = function (e) { | 
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                var _a = xhrError_1, progressSubscriber = _a.progressSubscriber, subscriber = _a.subscriber, request = _a.request; | 
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                if (progressSubscriber) { | 
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                    progressSubscriber.error(e); | 
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                } | 
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                var error; | 
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                try { | 
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                    error = new exports.AjaxError('ajax error', this, request); | 
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                } | 
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                catch (err) { | 
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                    error = err; | 
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                } | 
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                subscriber.error(error); | 
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            }; | 
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            xhr.onerror = xhrError_1; | 
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            xhrError_1.request = request; | 
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            xhrError_1.subscriber = this; | 
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            xhrError_1.progressSubscriber = progressSubscriber; | 
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        } | 
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        function xhrReadyStateChange(e) { | 
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            return; | 
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        } | 
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        xhr.onreadystatechange = xhrReadyStateChange; | 
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        xhrReadyStateChange.subscriber = this; | 
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        xhrReadyStateChange.progressSubscriber = progressSubscriber; | 
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        xhrReadyStateChange.request = request; | 
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        function xhrLoad(e) { | 
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            var _a = xhrLoad, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request; | 
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            if (this.readyState === 4) { | 
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                var status_1 = this.status === 1223 ? 204 : this.status; | 
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                var response = (this.responseType === 'text' ? (this.response || this.responseText) : this.response); | 
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                if (status_1 === 0) { | 
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                    status_1 = response ? 200 : 0; | 
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                } | 
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                if (status_1 < 400) { | 
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                    if (progressSubscriber) { | 
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                        progressSubscriber.complete(); | 
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                    } | 
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                    subscriber.next(e); | 
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                    subscriber.complete(); | 
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                } | 
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                else { | 
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                    if (progressSubscriber) { | 
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                        progressSubscriber.error(e); | 
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                    } | 
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                    var error = void 0; | 
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                    try { | 
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                        error = new exports.AjaxError('ajax error ' + status_1, this, request); | 
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                    } | 
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                    catch (err) { | 
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                        error = err; | 
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                    } | 
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                    subscriber.error(error); | 
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                } | 
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            } | 
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        } | 
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        xhr.onload = xhrLoad; | 
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        xhrLoad.subscriber = this; | 
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        xhrLoad.progressSubscriber = progressSubscriber; | 
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        xhrLoad.request = request; | 
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    }; | 
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    AjaxSubscriber.prototype.unsubscribe = function () { | 
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        var _a = this, done = _a.done, xhr = _a.xhr; | 
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        if (!done && xhr && xhr.readyState !== 4 && typeof xhr.abort === 'function') { | 
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            xhr.abort(); | 
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        } | 
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        _super.prototype.unsubscribe.call(this); | 
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    }; | 
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    return AjaxSubscriber; | 
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}(Subscriber_1.Subscriber)); | 
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exports.AjaxSubscriber = AjaxSubscriber; | 
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var AjaxResponse = (function () { | 
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    function AjaxResponse(originalEvent, xhr, request) { | 
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        this.originalEvent = originalEvent; | 
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        this.xhr = xhr; | 
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        this.request = request; | 
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        this.status = xhr.status; | 
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        this.responseType = xhr.responseType || request.responseType; | 
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        this.response = parseXhrResponse(this.responseType, xhr); | 
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    } | 
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    return AjaxResponse; | 
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}()); | 
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exports.AjaxResponse = AjaxResponse; | 
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var AjaxErrorImpl = (function () { | 
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    function AjaxErrorImpl(message, xhr, request) { | 
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        Error.call(this); | 
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        this.message = message; | 
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        this.name = 'AjaxError'; | 
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        this.xhr = xhr; | 
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        this.request = request; | 
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        this.status = xhr.status; | 
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        this.responseType = xhr.responseType || request.responseType; | 
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        this.response = parseXhrResponse(this.responseType, xhr); | 
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        return this; | 
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    } | 
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    AjaxErrorImpl.prototype = Object.create(Error.prototype); | 
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    return AjaxErrorImpl; | 
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})(); | 
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exports.AjaxError = AjaxErrorImpl; | 
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function parseJson(xhr) { | 
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    if ('response' in xhr) { | 
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        return xhr.responseType ? xhr.response : JSON.parse(xhr.response || xhr.responseText || 'null'); | 
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    } | 
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    else { | 
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        return JSON.parse(xhr.responseText || 'null'); | 
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    } | 
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} | 
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function parseXhrResponse(responseType, xhr) { | 
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    switch (responseType) { | 
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        case 'json': | 
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            return parseJson(xhr); | 
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        case 'xml': | 
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            return xhr.responseXML; | 
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        case 'text': | 
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        default: | 
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            return ('response' in xhr) ? xhr.response : xhr.responseText; | 
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    } | 
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} | 
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function AjaxTimeoutErrorImpl(xhr, request) { | 
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    exports.AjaxError.call(this, 'ajax timeout', xhr, request); | 
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    this.name = 'AjaxTimeoutError'; | 
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    return this; | 
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} | 
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exports.AjaxTimeoutError = AjaxTimeoutErrorImpl; | 
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//# sourceMappingURL=AjaxObservable.js.map
 |