1 | import { padStart } from './helpers';
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2 |
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3 |
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4 |
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5 |
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6 |
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7 | export var dateutil;
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8 | (function (dateutil) {
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9 | dateutil.MONTH_DAYS = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
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10 | |
11 |
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12 |
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13 | dateutil.ONE_DAY = 1000 * 60 * 60 * 24;
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14 | |
15 |
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16 |
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17 | dateutil.MAXYEAR = 9999;
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18 | |
19 |
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20 |
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21 |
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22 |
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23 | dateutil.ORDINAL_BASE = new Date(Date.UTC(1970, 0, 1));
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24 | |
25 |
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26 |
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27 |
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28 | dateutil.PY_WEEKDAYS = [6, 0, 1, 2, 3, 4, 5];
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29 | |
30 |
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31 |
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32 | dateutil.getYearDay = function (date) {
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33 | var dateNoTime = new Date(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate());
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34 | return (Math.ceil((dateNoTime.valueOf() -
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35 | new Date(date.getUTCFullYear(), 0, 1).valueOf()) /
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36 | dateutil.ONE_DAY) + 1);
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37 | };
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38 | dateutil.isLeapYear = function (year) {
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39 | return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
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40 | };
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41 | dateutil.isDate = function (value) {
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42 | return value instanceof Date;
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43 | };
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44 | dateutil.isValidDate = function (value) {
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45 | return dateutil.isDate(value) && !isNaN(value.getTime());
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46 | };
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47 | |
48 |
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49 |
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50 | dateutil.tzOffset = function (date) {
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51 | return date.getTimezoneOffset() * 60 * 1000;
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52 | };
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53 | |
54 |
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55 |
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56 | dateutil.daysBetween = function (date1, date2) {
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57 |
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58 |
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59 | var date1ms = date1.getTime() - dateutil.tzOffset(date1);
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60 | var date2ms = date2.getTime() - dateutil.tzOffset(date2);
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61 |
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62 | var differencems = date1ms - date2ms;
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63 |
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64 | return Math.round(differencems / dateutil.ONE_DAY);
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65 | };
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66 | |
67 |
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68 |
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69 | dateutil.toOrdinal = function (date) {
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70 | return dateutil.daysBetween(date, dateutil.ORDINAL_BASE);
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71 | };
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72 | |
73 |
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74 |
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75 | dateutil.fromOrdinal = function (ordinal) {
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76 | return new Date(dateutil.ORDINAL_BASE.getTime() + ordinal * dateutil.ONE_DAY);
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77 | };
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78 | dateutil.getMonthDays = function (date) {
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79 | var month = date.getUTCMonth();
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80 | return month === 1 && dateutil.isLeapYear(date.getUTCFullYear())
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81 | ? 29
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82 | : dateutil.MONTH_DAYS[month];
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83 | };
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84 | |
85 |
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86 |
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87 | dateutil.getWeekday = function (date) {
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88 | return dateutil.PY_WEEKDAYS[date.getUTCDay()];
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89 | };
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90 | |
91 |
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92 |
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93 | dateutil.monthRange = function (year, month) {
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94 | var date = new Date(Date.UTC(year, month, 1));
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95 | return [dateutil.getWeekday(date), dateutil.getMonthDays(date)];
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96 | };
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97 | |
98 |
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99 |
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100 | dateutil.combine = function (date, time) {
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101 | time = time || date;
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102 | return new Date(Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), time.getHours(), time.getMinutes(), time.getSeconds(), time.getMilliseconds()));
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103 | };
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104 | dateutil.clone = function (date) {
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105 | var dolly = new Date(date.getTime());
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106 | return dolly;
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107 | };
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108 | dateutil.cloneDates = function (dates) {
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109 | var clones = [];
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110 | for (var i = 0; i < dates.length; i++) {
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111 | clones.push(dateutil.clone(dates[i]));
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112 | }
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113 | return clones;
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114 | };
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115 | |
116 |
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117 |
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118 | dateutil.sort = function (dates) {
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119 | dates.sort(function (a, b) {
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120 | return a.getTime() - b.getTime();
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121 | });
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122 | };
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123 | dateutil.timeToUntilString = function (time, utc) {
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124 | if (utc === void 0) { utc = true; }
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125 | var date = new Date(time);
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126 | return [
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127 | padStart(date.getUTCFullYear().toString(), 4, '0'),
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128 | padStart(date.getUTCMonth() + 1, 2, '0'),
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129 | padStart(date.getUTCDate(), 2, '0'),
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130 | 'T',
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131 | padStart(date.getUTCHours(), 2, '0'),
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132 | padStart(date.getUTCMinutes(), 2, '0'),
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133 | padStart(date.getUTCSeconds(), 2, '0'),
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134 | utc ? 'Z' : ''
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135 | ].join('');
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136 | };
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137 | dateutil.untilStringToDate = function (until) {
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138 | var re = /^(\d{4})(\d{2})(\d{2})(T(\d{2})(\d{2})(\d{2})Z?)?$/;
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139 | var bits = re.exec(until);
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140 | if (!bits)
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141 | throw new Error("Invalid UNTIL value: " + until);
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142 | return new Date(Date.UTC(parseInt(bits[1], 10), parseInt(bits[2], 10) - 1, parseInt(bits[3], 10), parseInt(bits[5], 10) || 0, parseInt(bits[6], 10) || 0, parseInt(bits[7], 10) || 0));
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143 | };
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144 | })(dateutil || (dateutil = {}));
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145 | export default dateutil;
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146 |
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