'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = undefined;
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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var _class, _temp;
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var _EventTarget2 = require('./EventTarget.js');
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var _EventTarget3 = _interopRequireDefault(_EventTarget2);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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var _url = new WeakMap();
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var _method = new WeakMap();
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var _requestHeader = new WeakMap();
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var _responseHeader = new WeakMap();
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var _requestTask = new WeakMap();
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function _triggerEvent(type) {
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if (typeof this['on' + type] === 'function') {
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for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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args[_key - 1] = arguments[_key];
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}
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this['on' + type].apply(this, args);
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}
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}
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function _changeReadyState(readyState) {
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this.readyState = readyState;
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_triggerEvent.call(this, 'readystatechange');
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}
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var XMLHttpRequest = (_temp = _class = function (_EventTarget) {
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_inherits(XMLHttpRequest, _EventTarget);
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// TODO 没法模拟 HEADERS_RECEIVED 和 LOADING 两个状态
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function XMLHttpRequest() {
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_classCallCheck(this, XMLHttpRequest);
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var _this2 = _possibleConstructorReturn(this, (XMLHttpRequest.__proto__ || Object.getPrototypeOf(XMLHttpRequest)).call(this));
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_this2.onabort = null;
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_this2.onerror = null;
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_this2.onload = null;
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_this2.onloadstart = null;
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_this2.onprogress = null;
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_this2.ontimeout = null;
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_this2.onloadend = null;
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_this2.onreadystatechange = null;
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_this2.readyState = 0;
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_this2.response = null;
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_this2.responseText = null;
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_this2.responseType = '';
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_this2.responseXML = null;
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_this2.status = 0;
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_this2.statusText = '';
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_this2.upload = {};
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_this2.withCredentials = false;
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_requestHeader.set(_this2, {
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'content-type': 'application/x-www-form-urlencoded'
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});
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_responseHeader.set(_this2, {});
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return _this2;
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}
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/*
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* TODO 这一批事件应该是在 XMLHttpRequestEventTarget.prototype 上面的
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*/
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_createClass(XMLHttpRequest, [{
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key: 'abort',
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value: function abort() {
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var myRequestTask = _requestTask.get(this);
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if (myRequestTask) {
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myRequestTask.abort();
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}
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}
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}, {
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key: 'getAllResponseHeaders',
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value: function getAllResponseHeaders() {
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var responseHeader = _responseHeader.get(this);
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return Object.keys(responseHeader).map(function (header) {
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return header + ': ' + responseHeader[header];
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}).join('\n');
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}
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}, {
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key: 'getResponseHeader',
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value: function getResponseHeader(header) {
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return _responseHeader.get(this)[header];
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}
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}, {
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key: 'open',
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value: function open(method, url /* async, user, password 这几个参数在小程序内不支持*/) {
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_method.set(this, method);
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_url.set(this, url);
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_changeReadyState.call(this, XMLHttpRequest.OPENED);
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}
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}, {
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key: 'overrideMimeType',
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value: function overrideMimeType() {}
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}, {
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key: 'send',
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value: function send() {
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var _this3 = this;
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var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
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if (this.readyState !== XMLHttpRequest.OPENED) {
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throw new Error("Failed to execute 'send' on 'XMLHttpRequest': The object's state must be OPENED.");
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} else {
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wx.request({
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data: data,
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url: _url.get(this),
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method: _method.get(this),
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header: _requestHeader.get(this),
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responseType: this.responseType,
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success: function success(_ref) {
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var data = _ref.data,
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statusCode = _ref.statusCode,
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header = _ref.header;
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if (typeof data !== 'string' && !(data instanceof ArrayBuffer)) {
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try {
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data = JSON.stringify(data);
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} catch (e) {
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data = data;
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}
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}
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_this3.status = statusCode;
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_responseHeader.set(_this3, header);
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_triggerEvent.call(_this3, 'loadstart');
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_changeReadyState.call(_this3, XMLHttpRequest.HEADERS_RECEIVED);
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_changeReadyState.call(_this3, XMLHttpRequest.LOADING);
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_this3.response = data;
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if (data instanceof ArrayBuffer) {
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_this3.responseText = '';
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var bytes = new Uint8Array(data);
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var len = bytes.byteLength;
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for (var i = 0; i < len; i++) {
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_this3.responseText += String.fromCharCode(bytes[i]);
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}
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} else {
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_this3.responseText = data;
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}
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_changeReadyState.call(_this3, XMLHttpRequest.DONE);
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_triggerEvent.call(_this3, 'load');
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_triggerEvent.call(_this3, 'loadend');
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},
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fail: function fail(_ref2) {
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var errMsg = _ref2.errMsg;
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// TODO 规范错误
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if (errMsg.indexOf('abort') !== -1) {
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_triggerEvent.call(_this3, 'abort');
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} else if (errMsg.indexOf('timeout') !== -1) {
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_triggerEvent.call(_this3, 'timeout');
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} else {
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_triggerEvent.call(_this3, 'error', errMsg);
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}
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_triggerEvent.call(_this3, 'loadend');
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}
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});
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}
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}
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}, {
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key: 'setRequestHeader',
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value: function setRequestHeader(header, value) {
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var myHeader = _requestHeader.get(this);
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myHeader[header] = value;
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_requestHeader.set(this, myHeader);
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}
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}, {
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key: 'addEventListener',
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value: function addEventListener(type, listener) {
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if (typeof listener === 'function') {
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var _this = this;
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var event = { target: _this };
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this['on' + type] = function (event) {
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listener.call(_this, event);
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};
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}
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}
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}]);
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return XMLHttpRequest;
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}(_EventTarget3.default), _class.UNSEND = 0, _class.OPENED = 1, _class.HEADERS_RECEIVED = 2, _class.LOADING = 3, _class.DONE = 4, _temp);
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exports.default = XMLHttpRequest;
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module.exports = exports['default'];
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