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annotate js/modules/date-utils.js @ 100:c486d35fad27

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added more mocks; black-box now talks to a really simple fake bugzilla 'server'.
author Atul Varma <avarma@mozilla.com>
date Tue, 27 Apr 2010 23:06:29 -0700
parents 544d339d2b4c
children
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eb2cc1f89869 Added a test suite, basic CommonJS module loader, and a new main.html file that will be a unified UI to all three pages (dashboard, user-finder, bug-filer).
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1 Require.modules["date-utils"] = function(exports) {
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2 // Dynamically replace this when QA testing, for determinism.
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3 exports.now = function now() {
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4 return new Date();
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5 };
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6
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7 // Taken from MDC @ Core_JavaScript_1.5_Reference/Objects/Date.
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8 exports.dateToISO8601 = function dateToISO8601(d) {
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9 function pad(n) { return n < 10 ? '0' + n : n; }
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10
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11 return (d.getUTCFullYear() + '-' +
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12 pad(d.getUTCMonth() + 1) + '-' +
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13 pad(d.getUTCDate()) + 'T' +
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14 pad(d.getUTCHours()) + ':' +
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15 pad(d.getUTCMinutes()) + ':' +
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16 pad(d.getUTCSeconds()) + 'Z');
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17 };
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18
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19 // Taken from http://delete.me.uk/2005/03/iso8601.html
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20 exports.dateFromISO8601 = function dateFromISO8601(string) {
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21 var regexp = ("([0-9]{4})(-([0-9]{2})(-([0-9]{2})" +
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22 "(T([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?" +
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23 "(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?");
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24 var d = string.match(new RegExp(regexp));
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25
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26 var offset = 0;
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27 var date = new Date(d[1], 0, 1);
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28
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29 if (d[3]) { date.setMonth(d[3] - 1); }
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30 if (d[5]) { date.setDate(d[5]); }
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31 if (d[7]) { date.setHours(d[7]); }
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32 if (d[8]) { date.setMinutes(d[8]); }
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33 if (d[10]) { date.setSeconds(d[10]); }
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34 if (d[12]) { date.setMilliseconds(Number("0." + d[12]) * 1000); }
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35 if (d[14]) {
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36 offset = (Number(d[16]) * 60) + Number(d[17]);
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37 offset *= ((d[15] == '-') ? 1 : -1);
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38 }
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39
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40 offset -= date.getTimezoneOffset();
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41 var time = (Number(date) + (offset * 60 * 1000));
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42 date.setTime(Number(time));
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43 return date;
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44 };
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45
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46 /*
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47 * JavaScript Pretty Date
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48 * Copyright (c) 2008 John Resig (jquery.com)
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49 * Licensed under the MIT license.
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50 */
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51
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52 // Takes an ISO time and returns a string representing how
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53 // long ago the date represents.
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54 exports.prettyDate = function prettyDate(time, now){
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55 if (!now)
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56 now = exports.now().getTime();
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57
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58 var date = exports.dateFromISO8601(time),
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59 diff = ((now - date.getTime()) / 1000),
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60 day_diff = Math.floor(diff / 86400);
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61
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62 if ( isNaN(day_diff) || day_diff < 0 || day_diff >= 31 )
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63 return null;
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64
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65 return day_diff == 0 && (
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66 diff < 60 && "just now" ||
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67 diff < 120 && "1 minute ago" ||
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68 diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
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69 diff < 7200 && "1 hour ago" ||
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70 diff < 86400 && Math.floor( diff / 3600 ) + " hours ago"
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71 ) ||
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72 day_diff == 1 && "Yesterday" ||
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73 day_diff < 7 && day_diff + " days ago" ||
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74 day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago";
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75 };
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76
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77 exports.timeAgo = function timeAgo(ms) {
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78 var then = new Date(exports.now() - ms);
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79 return exports.dateToISO8601(then);
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80 };
36
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81 };