| 1 | "use strict";
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| 2 | var __extends = (this && this.__extends) || (function () {
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| 3 | var extendStatics = function (d, b) {
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| 4 | extendStatics = Object.setPrototypeOf ||
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| 5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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| 6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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| 7 | return extendStatics(d, b);
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| 8 | }
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| 9 | return function (d, b) {
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| 10 | extendStatics(d, b);
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| 11 | function __() { this.constructor = d; }
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| 12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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| 13 | };
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| 14 | })();
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| 15 | Object.defineProperty(exports, "__esModule", { value: true });
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| 16 | var root_1 = require("../../util/root");
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| 17 | var Observable_1 = require("../../Observable");
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| 18 | var Subscriber_1 = require("../../Subscriber");
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| 19 | var map_1 = require("../../operators/map");
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| 20 | function getCORSRequest() {
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| 21 | if (root_1.root.XMLHttpRequest) {
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| 22 | return new root_1.root.XMLHttpRequest();
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| 23 | }
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| 24 | else if (!!root_1.root.XDomainRequest) {
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| 25 | return new root_1.root.XDomainRequest();
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| 26 | }
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| 27 | else {
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| 28 | throw new Error('CORS is not supported by your browser');
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| 29 | }
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| 30 | }
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| 31 | function getXMLHttpRequest() {
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| 32 | if (root_1.root.XMLHttpRequest) {
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| 33 | return new root_1.root.XMLHttpRequest();
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| 34 | }
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| 35 | else {
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| 36 | var progId = void 0;
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| 37 | try {
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| 38 | var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];
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| 39 | for (var i = 0; i < 3; i++) {
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| 40 | try {
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| 41 | progId = progIds[i];
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| 42 | if (new root_1.root.ActiveXObject(progId)) {
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| 43 | break;
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| 44 | }
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| 45 | }
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| 46 | catch (e) {
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| 47 | }
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| 48 | }
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| 49 | return new root_1.root.ActiveXObject(progId);
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| 50 | }
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| 51 | catch (e) {
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| 52 | throw new Error('XMLHttpRequest is not supported by your browser');
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| 53 | }
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| 54 | }
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| 55 | }
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| 56 | function ajaxGet(url, headers) {
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| 57 | if (headers === void 0) { headers = null; }
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| 58 | return new AjaxObservable({ method: 'GET', url: url, headers: headers });
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| 59 | }
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| 60 | exports.ajaxGet = ajaxGet;
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| 61 | function ajaxPost(url, body, headers) {
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| 62 | return new AjaxObservable({ method: 'POST', url: url, body: body, headers: headers });
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| 63 | }
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| 64 | exports.ajaxPost = ajaxPost;
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| 65 | function ajaxDelete(url, headers) {
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| 66 | return new AjaxObservable({ method: 'DELETE', url: url, headers: headers });
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| 67 | }
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| 68 | exports.ajaxDelete = ajaxDelete;
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| 69 | function ajaxPut(url, body, headers) {
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| 70 | return new AjaxObservable({ method: 'PUT', url: url, body: body, headers: headers });
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| 71 | }
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| 72 | exports.ajaxPut = ajaxPut;
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| 73 | function ajaxPatch(url, body, headers) {
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| 74 | return new AjaxObservable({ method: 'PATCH', url: url, body: body, headers: headers });
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| 75 | }
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| 76 | exports.ajaxPatch = ajaxPatch;
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| 77 | var mapResponse = map_1.map(function (x, index) { return x.response; });
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| 78 | function ajaxGetJSON(url, headers) {
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| 79 | return mapResponse(new AjaxObservable({
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| 80 | method: 'GET',
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| 81 | url: url,
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| 82 | responseType: 'json',
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| 83 | headers: headers
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| 84 | }));
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| 85 | }
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| 86 | exports.ajaxGetJSON = ajaxGetJSON;
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| 87 | var AjaxObservable = (function (_super) {
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| 88 | __extends(AjaxObservable, _super);
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| 89 | function AjaxObservable(urlOrRequest) {
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| 90 | var _this = _super.call(this) || this;
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| 91 | var request = {
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| 92 | async: true,
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| 93 | createXHR: function () {
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| 94 | return this.crossDomain ? getCORSRequest() : getXMLHttpRequest();
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| 95 | },
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| 96 | crossDomain: true,
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| 97 | withCredentials: false,
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| 98 | headers: {},
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| 99 | method: 'GET',
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| 100 | responseType: 'json',
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| 101 | timeout: 0
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| 102 | };
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| 103 | if (typeof urlOrRequest === 'string') {
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| 104 | request.url = urlOrRequest;
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| 105 | }
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| 106 | else {
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| 107 | for (var prop in urlOrRequest) {
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| 108 | if (urlOrRequest.hasOwnProperty(prop)) {
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| 109 | request[prop] = urlOrRequest[prop];
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| 110 | }
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| 111 | }
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| 112 | }
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| 113 | _this.request = request;
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| 114 | return _this;
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| 115 | }
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| 116 | AjaxObservable.prototype._subscribe = function (subscriber) {
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| 117 | return new AjaxSubscriber(subscriber, this.request);
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| 118 | };
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| 119 | AjaxObservable.create = (function () {
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| 120 | var create = function (urlOrRequest) {
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| 121 | return new AjaxObservable(urlOrRequest);
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| 122 | };
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| 123 | create.get = ajaxGet;
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| 124 | create.post = ajaxPost;
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| 125 | create.delete = ajaxDelete;
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| 126 | create.put = ajaxPut;
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| 127 | create.patch = ajaxPatch;
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| 128 | create.getJSON = ajaxGetJSON;
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| 129 | return create;
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| 130 | })();
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| 131 | return AjaxObservable;
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| 132 | }(Observable_1.Observable));
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| 133 | exports.AjaxObservable = AjaxObservable;
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| 134 | var AjaxSubscriber = (function (_super) {
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| 135 | __extends(AjaxSubscriber, _super);
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| 136 | function AjaxSubscriber(destination, request) {
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| 137 | var _this = _super.call(this, destination) || this;
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| 138 | _this.request = request;
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| 139 | _this.done = false;
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| 140 | var headers = request.headers = request.headers || {};
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| 141 | if (!request.crossDomain && !_this.getHeader(headers, 'X-Requested-With')) {
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| 142 | headers['X-Requested-With'] = 'XMLHttpRequest';
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| 143 | }
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| 144 | var contentTypeHeader = _this.getHeader(headers, 'Content-Type');
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| 145 | if (!contentTypeHeader && !(root_1.root.FormData && request.body instanceof root_1.root.FormData) && typeof request.body !== 'undefined') {
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| 146 | headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
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| 147 | }
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| 148 | request.body = _this.serializeBody(request.body, _this.getHeader(request.headers, 'Content-Type'));
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| 149 | _this.send();
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| 150 | return _this;
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| 151 | }
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| 152 | AjaxSubscriber.prototype.next = function (e) {
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| 153 | this.done = true;
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| 154 | var _a = this, xhr = _a.xhr, request = _a.request, destination = _a.destination;
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| 155 | var result;
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| 156 | try {
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| 157 | result = new AjaxResponse(e, xhr, request);
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| 158 | }
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| 159 | catch (err) {
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| 160 | return destination.error(err);
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| 161 | }
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| 162 | destination.next(result);
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| 163 | };
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| 164 | AjaxSubscriber.prototype.send = function () {
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| 165 | 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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| 166 | try {
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| 167 | var xhr = this.xhr = request.createXHR();
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| 168 | this.setupEvents(xhr, request);
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| 169 | if (user) {
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| 170 | xhr.open(method, url, async, user, password);
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| 171 | }
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| 172 | else {
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| 173 | xhr.open(method, url, async);
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| 174 | }
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| 175 | if (async) {
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| 176 | xhr.timeout = request.timeout;
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| 177 | xhr.responseType = request.responseType;
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| 178 | }
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| 179 | if ('withCredentials' in xhr) {
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| 180 | xhr.withCredentials = !!request.withCredentials;
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| 181 | }
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| 182 | this.setHeaders(xhr, headers);
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| 183 | if (body) {
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| 184 | xhr.send(body);
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| 185 | }
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| 186 | else {
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| 187 | xhr.send();
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| 188 | }
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| 189 | }
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| 190 | catch (err) {
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| 191 | this.error(err);
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| 192 | }
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| 193 | };
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| 194 | AjaxSubscriber.prototype.serializeBody = function (body, contentType) {
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| 195 | if (!body || typeof body === 'string') {
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| 196 | return body;
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| 197 | }
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| 198 | else if (root_1.root.FormData && body instanceof root_1.root.FormData) {
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| 199 | return body;
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| 200 | }
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| 201 | if (contentType) {
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| 202 | var splitIndex = contentType.indexOf(';');
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| 203 | if (splitIndex !== -1) {
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| 204 | contentType = contentType.substring(0, splitIndex);
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| 205 | }
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| 206 | }
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| 207 | switch (contentType) {
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| 208 | case 'application/x-www-form-urlencoded':
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| 209 | return Object.keys(body).map(function (key) { return encodeURIComponent(key) + "=" + encodeURIComponent(body[key]); }).join('&');
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| 210 | case 'application/json':
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| 211 | return JSON.stringify(body);
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| 212 | default:
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| 213 | return body;
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| 214 | }
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| 215 | };
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| 216 | AjaxSubscriber.prototype.setHeaders = function (xhr, headers) {
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| 217 | for (var key in headers) {
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| 218 | if (headers.hasOwnProperty(key)) {
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| 219 | xhr.setRequestHeader(key, headers[key]);
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| 220 | }
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| 221 | }
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| 222 | };
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| 223 | AjaxSubscriber.prototype.getHeader = function (headers, headerName) {
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| 224 | for (var key in headers) {
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| 225 | if (key.toLowerCase() === headerName.toLowerCase()) {
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| 226 | return headers[key];
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| 227 | }
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| 228 | }
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| 229 | return undefined;
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| 230 | };
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| 231 | AjaxSubscriber.prototype.setupEvents = function (xhr, request) {
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| 232 | var progressSubscriber = request.progressSubscriber;
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| 233 | function xhrTimeout(e) {
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| 234 | var _a = xhrTimeout, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;
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| 235 | if (progressSubscriber) {
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| 236 | progressSubscriber.error(e);
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| 237 | }
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| 238 | var error;
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| 239 | try {
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| 240 | error = new exports.AjaxTimeoutError(this, request);
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| 241 | }
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| 242 | catch (err) {
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| 243 | error = err;
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| 244 | }
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| 245 | subscriber.error(error);
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| 246 | }
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| 247 | xhr.ontimeout = xhrTimeout;
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| 248 | xhrTimeout.request = request;
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| 249 | xhrTimeout.subscriber = this;
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| 250 | xhrTimeout.progressSubscriber = progressSubscriber;
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| 251 | if (xhr.upload && 'withCredentials' in xhr) {
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| 252 | if (progressSubscriber) {
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| 253 | var xhrProgress_1;
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| 254 | xhrProgress_1 = function (e) {
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| 255 | var progressSubscriber = xhrProgress_1.progressSubscriber;
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| 256 | progressSubscriber.next(e);
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| 257 | };
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| 258 | if (root_1.root.XDomainRequest) {
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| 259 | xhr.onprogress = xhrProgress_1;
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| 260 | }
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| 261 | else {
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| 262 | xhr.upload.onprogress = xhrProgress_1;
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| 263 | }
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| 264 | xhrProgress_1.progressSubscriber = progressSubscriber;
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| 265 | }
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| 266 | var xhrError_1;
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| 267 | xhrError_1 = function (e) {
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| 268 | var _a = xhrError_1, progressSubscriber = _a.progressSubscriber, subscriber = _a.subscriber, request = _a.request;
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| 269 | if (progressSubscriber) {
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| 270 | progressSubscriber.error(e);
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| 271 | }
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| 272 | var error;
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| 273 | try {
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| 274 | error = new exports.AjaxError('ajax error', this, request);
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| 275 | }
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| 276 | catch (err) {
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| 277 | error = err;
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| 278 | }
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| 279 | subscriber.error(error);
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| 280 | };
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| 281 | xhr.onerror = xhrError_1;
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| 282 | xhrError_1.request = request;
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| 283 | xhrError_1.subscriber = this;
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| 284 | xhrError_1.progressSubscriber = progressSubscriber;
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| 285 | }
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| 286 | function xhrReadyStateChange(e) {
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| 287 | return;
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| 288 | }
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| 289 | xhr.onreadystatechange = xhrReadyStateChange;
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| 290 | xhrReadyStateChange.subscriber = this;
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| 291 | xhrReadyStateChange.progressSubscriber = progressSubscriber;
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| 292 | xhrReadyStateChange.request = request;
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| 293 | function xhrLoad(e) {
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| 294 | var _a = xhrLoad, subscriber = _a.subscriber, progressSubscriber = _a.progressSubscriber, request = _a.request;
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| 295 | if (this.readyState === 4) {
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| 296 | var status_1 = this.status === 1223 ? 204 : this.status;
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| 297 | var response = (this.responseType === 'text' ? (this.response || this.responseText) : this.response);
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| 298 | if (status_1 === 0) {
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| 299 | status_1 = response ? 200 : 0;
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| 300 | }
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| 301 | if (status_1 < 400) {
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| 302 | if (progressSubscriber) {
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| 303 | progressSubscriber.complete();
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| 304 | }
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| 305 | subscriber.next(e);
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| 306 | subscriber.complete();
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| 307 | }
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| 308 | else {
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| 309 | if (progressSubscriber) {
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| 310 | progressSubscriber.error(e);
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| 311 | }
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| 312 | var error = void 0;
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| 313 | try {
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| 314 | error = new exports.AjaxError('ajax error ' + status_1, this, request);
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| 315 | }
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| 316 | catch (err) {
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| 317 | error = err;
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| 318 | }
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| 319 | subscriber.error(error);
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| 320 | }
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| 321 | }
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| 322 | }
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| 323 | xhr.onload = xhrLoad;
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| 324 | xhrLoad.subscriber = this;
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| 325 | xhrLoad.progressSubscriber = progressSubscriber;
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| 326 | xhrLoad.request = request;
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| 327 | };
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| 328 | AjaxSubscriber.prototype.unsubscribe = function () {
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| 329 | var _a = this, done = _a.done, xhr = _a.xhr;
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| 330 | if (!done && xhr && xhr.readyState !== 4 && typeof xhr.abort === 'function') {
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| 331 | xhr.abort();
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| 332 | }
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| 333 | _super.prototype.unsubscribe.call(this);
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| 334 | };
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| 335 | return AjaxSubscriber;
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| 336 | }(Subscriber_1.Subscriber));
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| 337 | exports.AjaxSubscriber = AjaxSubscriber;
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| 338 | var AjaxResponse = (function () {
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| 339 | function AjaxResponse(originalEvent, xhr, request) {
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| 340 | this.originalEvent = originalEvent;
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| 341 | this.xhr = xhr;
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| 342 | this.request = request;
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| 343 | this.status = xhr.status;
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| 344 | this.responseType = xhr.responseType || request.responseType;
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| 345 | this.response = parseXhrResponse(this.responseType, xhr);
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| 346 | }
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| 347 | return AjaxResponse;
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| 348 | }());
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| 349 | exports.AjaxResponse = AjaxResponse;
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| 350 | var AjaxErrorImpl = (function () {
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| 351 | function AjaxErrorImpl(message, xhr, request) {
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| 352 | Error.call(this);
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| 353 | this.message = message;
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| 354 | this.name = 'AjaxError';
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| 355 | this.xhr = xhr;
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| 356 | this.request = request;
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| 357 | this.status = xhr.status;
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| 358 | this.responseType = xhr.responseType || request.responseType;
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| 359 | this.response = parseXhrResponse(this.responseType, xhr);
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| 360 | return this;
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| 361 | }
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| 362 | AjaxErrorImpl.prototype = Object.create(Error.prototype);
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| 363 | return AjaxErrorImpl;
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| 364 | })();
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| 365 | exports.AjaxError = AjaxErrorImpl;
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| 366 | function parseJson(xhr) {
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| 367 | if ('response' in xhr) {
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| 368 | return xhr.responseType ? xhr.response : JSON.parse(xhr.response || xhr.responseText || 'null');
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| 369 | }
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| 370 | else {
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| 371 | return JSON.parse(xhr.responseText || 'null');
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| 372 | }
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| 373 | }
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| 374 | function parseXhrResponse(responseType, xhr) {
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| 375 | switch (responseType) {
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| 376 | case 'json':
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| 377 | return parseJson(xhr);
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| 378 | case 'xml':
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| 379 | return xhr.responseXML;
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| 380 | case 'text':
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| 381 | default:
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| 382 | return ('response' in xhr) ? xhr.response : xhr.responseText;
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| 383 | }
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| 384 | }
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| 385 | function AjaxTimeoutErrorImpl(xhr, request) {
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| 386 | exports.AjaxError.call(this, 'ajax timeout', xhr, request);
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| 387 | this.name = 'AjaxTimeoutError';
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| 388 | return this;
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| 389 | }
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| 390 | exports.AjaxTimeoutError = AjaxTimeoutErrorImpl;
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| 391 | //# sourceMappingURL=AjaxObservable.js.map |
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