Last change
on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
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100644
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File size:
1.0 KB
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[6a3a178] | 1 | 'use strict';
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| 2 |
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| 3 | var EventEmitter = require('events').EventEmitter
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| 4 | , inherits = require('inherits')
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| 5 | , JSON3 = require('json3')
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| 6 | , objectUtils = require('./utils/object')
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| 7 | ;
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| 8 |
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| 9 | var debug = function() {};
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| 10 | if (process.env.NODE_ENV !== 'production') {
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| 11 | debug = require('debug')('sockjs-client:info-ajax');
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| 12 | }
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| 13 |
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| 14 | function InfoAjax(url, AjaxObject) {
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| 15 | EventEmitter.call(this);
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| 16 |
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| 17 | var self = this;
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| 18 | var t0 = +new Date();
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| 19 | this.xo = new AjaxObject('GET', url);
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| 20 |
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| 21 | this.xo.once('finish', function(status, text) {
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| 22 | var info, rtt;
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| 23 | if (status === 200) {
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| 24 | rtt = (+new Date()) - t0;
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| 25 | if (text) {
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| 26 | try {
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| 27 | info = JSON3.parse(text);
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| 28 | } catch (e) {
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| 29 | debug('bad json', text);
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| 30 | }
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| 31 | }
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| 32 |
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| 33 | if (!objectUtils.isObject(info)) {
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| 34 | info = {};
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| 35 | }
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| 36 | }
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| 37 | self.emit('finish', info, rtt);
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| 38 | self.removeAllListeners();
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| 39 | });
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| 40 | }
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| 41 |
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| 42 | inherits(InfoAjax, EventEmitter);
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| 43 |
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| 44 | InfoAjax.prototype.close = function() {
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| 45 | this.removeAllListeners();
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| 46 | this.xo.close();
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| 47 | };
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| 48 |
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| 49 | module.exports = InfoAjax;
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