1 | 'use strict';
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2 |
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3 | var Response = require('http-response-object');
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4 | var handleQs = require('then-request/lib/handle-qs.js');
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5 |
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6 | module.exports = doRequest;
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7 | function doRequest(method, url, options, callback) {
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8 | var xhr = new window.XMLHttpRequest();
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9 |
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10 |
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11 |
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12 | if (typeof method !== 'string') {
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13 | throw new TypeError('The method must be a string.');
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14 | }
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15 | if (typeof url !== 'string') {
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16 | throw new TypeError('The URL/path must be a string.');
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17 | }
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18 | if (typeof options === 'function') {
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19 | callback = options;
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20 | options = {};
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21 | }
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22 | if (options === null || options === undefined) {
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23 | options = {};
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24 | }
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25 | if (typeof options !== 'object') {
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26 | throw new TypeError('Options must be an object (or null).');
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27 | }
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28 | if (typeof callback !== 'function') {
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29 | callback = undefined;
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30 | }
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31 |
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32 | method = method.toUpperCase();
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33 | options.headers = options.headers || {};
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34 |
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35 |
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36 |
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37 | var match;
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38 | var crossDomain = !!((match = /^([\w-]+:)?\/\/([^\/]+)/.exec(options.uri)) && (match[2] != window.location.host));
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39 | if (!crossDomain) options.headers['X-Requested-With'] = 'XMLHttpRequest';
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40 |
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41 |
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42 | if (options.qs) {
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43 | url = handleQs(url, options.qs);
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44 | }
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45 |
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46 |
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47 | if (options.json) {
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48 | options.body = JSON.stringify(options.json);
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49 | options.headers['content-type'] = 'application/json';
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50 | }
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51 |
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52 |
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53 | xhr.open(method, url, false);
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54 |
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55 | for (var name in options.headers) {
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56 | xhr.setRequestHeader(name.toLowerCase(), options.headers[name]);
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57 | }
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58 |
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59 |
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60 | xhr.send(options.body ? options.body : null);
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61 |
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62 |
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63 | var headers = {};
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64 | xhr.getAllResponseHeaders().split('\r\n').forEach(function (header) {
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65 | var h = header.split(':');
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66 | if (h.length > 1) {
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67 | headers[h[0].toLowerCase()] = h.slice(1).join(':').trim();
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68 | }
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69 | });
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70 | return new Response(xhr.status, headers, xhr.responseText);
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71 | }
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