1 | /* |
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2 | * Date Format 1.2.3 |
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3 | * (c) 2007-2009 Steven Levithan <stevenlevithan.com> |
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4 | * MIT license |
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5 | * |
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6 | * Includes enhancements by Scott Trenda <scott.trenda.net> |
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7 | * and Kris Kowal <cixar.com/~kris.kowal/> |
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8 | * |
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9 | * Accepts a date, a mask, or a date and a mask. |
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10 | * Returns a formatted version of the given date. |
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11 | * The date defaults to the current date/time. |
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12 | * The mask defaults to dateFormat.masks.default. |
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13 | */ |
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14 | |
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15 | var dateFormat = function () { |
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16 | var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g, |
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17 | timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g, |
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18 | timezoneClip = /[^-+\dA-Z]/g, |
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19 | pad = function (val, len) { |
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20 | val = String(val); |
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21 | len = len || 2; |
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22 | while (val.length < len) val = "0" + val; |
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23 | return val; |
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24 | }; |
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25 | |
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26 | // Regexes and supporting functions are cached through closure |
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27 | return function (date, mask, utc) { |
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28 | var dF = dateFormat; |
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29 | |
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30 | // You can't provide utc if you skip other args (use the "UTC:" mask prefix) |
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31 | if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) { |
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32 | mask = date; |
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33 | date = undefined; |
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34 | } |
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35 | |
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36 | // Passing date through Date applies Date.parse, if necessary |
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37 | date = date ? new Date(date) : new Date; |
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38 | if (isNaN(date)) throw SyntaxError("invalid date"); |
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39 | |
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40 | mask = String(dF.masks[mask] || mask || dF.masks["default"]); |
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41 | |
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42 | // Allow setting the utc argument via the mask |
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43 | if (mask.slice(0, 4) == "UTC:") { |
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44 | mask = mask.slice(4); |
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45 | utc = true; |
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46 | } |
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47 | |
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48 | var _ = utc ? "getUTC" : "get", |
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49 | d = date[_ + "Date"](), |
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50 | D = date[_ + "Day"](), |
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51 | m = date[_ + "Month"](), |
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52 | y = date[_ + "FullYear"](), |
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53 | H = date[_ + "Hours"](), |
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54 | M = date[_ + "Minutes"](), |
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55 | s = date[_ + "Seconds"](), |
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56 | L = date[_ + "Milliseconds"](), |
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57 | o = utc ? 0 : date.getTimezoneOffset(), |
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58 | flags = { |
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59 | d: d, |
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60 | dd: pad(d), |
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61 | ddd: dF.i18n.dayNames[D], |
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62 | dddd: dF.i18n.dayNames[D + 7], |
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63 | m: m + 1, |
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64 | mm: pad(m + 1), |
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65 | mmm: dF.i18n.monthNames[m], |
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66 | mmmm: dF.i18n.monthNames[m + 12], |
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67 | yy: String(y).slice(2), |
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68 | yyyy: y, |
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69 | h: H % 12 || 12, |
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70 | hh: pad(H % 12 || 12), |
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71 | H: H, |
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72 | HH: pad(H), |
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73 | M: M, |
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74 | MM: pad(M), |
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75 | s: s, |
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76 | ss: pad(s), |
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77 | l: pad(L, 3), |
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78 | L: pad(L > 99 ? Math.round(L / 10) : L), |
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79 | t: H < 12 ? "a" : "p", |
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80 | tt: H < 12 ? "am" : "pm", |
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81 | T: H < 12 ? "A" : "P", |
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82 | TT: H < 12 ? "AM" : "PM", |
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83 | Z: utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""), |
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84 | o: (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4), |
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85 | S: ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10] |
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86 | }; |
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87 | |
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88 | return mask.replace(token, function ($0) { |
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89 | return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1); |
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90 | }); |
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91 | }; |
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92 | }(); |
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93 | |
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94 | // Some common format strings |
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95 | dateFormat.masks = { |
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96 | "default": "ddd mmm dd yyyy HH:MM:ss", |
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97 | shortDate: "m/d/yy", |
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98 | mediumDate: "mmm d, yyyy", |
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99 | longDate: "mmmm d, yyyy", |
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100 | fullDate: "dddd, mmmm d, yyyy", |
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101 | shortTime: "h:MM TT", |
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102 | mediumTime: "h:MM:ss TT", |
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103 | longTime: "h:MM:ss TT Z", |
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104 | isoDate: "yyyy-mm-dd", |
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105 | isoTime: "HH:MM:ss", |
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106 | isoDateTime: "yyyy-mm-dd'T'HH:MM:ss", |
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107 | isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'" |
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108 | }; |
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109 | |
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110 | // Internationalization strings |
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111 | dateFormat.i18n = { |
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112 | dayNames: [ |
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113 | "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", |
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114 | "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" |
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115 | ], |
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116 | monthNames: [ |
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117 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", |
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118 | "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" |
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119 | ] |
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120 | }; |
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121 | |
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122 | // For convenience... |
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123 | Date.prototype.format = function (mask, utc) { |
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124 | return dateFormat(this, mask, utc); |
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125 | }; |
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126 | |
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