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