1 | /**
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2 | * @version: 1.0 Alpha-1
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3 | * @author: Coolite Inc. http://www.coolite.com/
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4 | * @date: 2008-04-13
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5 | * @copyright: Copyright (c) 2006-2008, Coolite Inc. (http://www.coolite.com/). All rights reserved.
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6 | * @license: Licensed under The MIT License. See license.txt and http://www.datejs.com/license/.
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7 | * @website: http://www.datejs.com/
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8 | */
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9 |
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10 | (function () {
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11 | var $D = Date,
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12 | $P = $D.prototype,
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13 | $C = $D.CultureInfo,
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14 | p = function (s, l) {
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15 | if (!l) {
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16 | l = 2;
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17 | }
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18 | return ("000" + s).slice(l * -1);
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19 | };
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20 |
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21 | /**
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22 | * Resets the time of this Date object to 12:00 AM (00:00), which is the start of the day.
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23 | * @param {Boolean} .clone() this date instance before clearing Time
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24 | * @return {Date} this
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25 | */
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26 | $P.clearTime = function () {
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27 | this.setHours(0);
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28 | this.setMinutes(0);
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29 | this.setSeconds(0);
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30 | this.setMilliseconds(0);
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31 | return this;
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32 | };
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33 |
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34 | /**
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35 | * Resets the time of this Date object to the current time ('now').
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36 | * @return {Date} this
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37 | */
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38 | $P.setTimeToNow = function () {
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39 | var n = new Date();
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40 | this.setHours(n.getHours());
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41 | this.setMinutes(n.getMinutes());
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42 | this.setSeconds(n.getSeconds());
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43 | this.setMilliseconds(n.getMilliseconds());
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44 | return this;
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45 | };
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46 |
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47 | /**
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48 | * Gets a date that is set to the current date. The time is set to the start of the day (00:00 or 12:00 AM).
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49 | * @return {Date} The current date.
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50 | */
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51 | $D.today = function () {
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52 | return new Date().clearTime();
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53 | };
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54 |
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55 | /**
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56 | * Compares the first date to the second date and returns an number indication of their relative values.
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57 | * @param {Date} First Date object to compare [Required].
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58 | * @param {Date} Second Date object to compare to [Required].
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59 | * @return {Number} -1 = date1 is lessthan date2. 0 = values are equal. 1 = date1 is greaterthan date2.
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60 | */
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61 | $D.compare = function (date1, date2) {
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62 | if (isNaN(date1) || isNaN(date2)) {
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63 | throw new Error(date1 + " - " + date2);
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64 | } else if (date1 instanceof Date && date2 instanceof Date) {
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65 | return (date1 < date2) ? -1 : (date1 > date2) ? 1 : 0;
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66 | } else {
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67 | throw new TypeError(date1 + " - " + date2);
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68 | }
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69 | };
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70 |
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71 | /**
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72 | * Compares the first Date object to the second Date object and returns true if they are equal.
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73 | * @param {Date} First Date object to compare [Required]
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74 | * @param {Date} Second Date object to compare to [Required]
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75 | * @return {Boolean} true if dates are equal. false if they are not equal.
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76 | */
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77 | $D.equals = function (date1, date2) {
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78 | return (date1.compareTo(date2) === 0);
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79 | };
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80 |
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81 | /**
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82 | * Gets the day number (0-6) if given a CultureInfo specific string which is a valid dayName, abbreviatedDayName or shortestDayName (two char).
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83 | * @param {String} The name of the day (eg. "Monday, "Mon", "tuesday", "tue", "We", "we").
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84 | * @return {Number} The day number
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85 | */
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86 | $D.getDayNumberFromName = function (name) {
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87 | var n = $C.dayNames, m = $C.abbreviatedDayNames, o = $C.shortestDayNames, s = name.toLowerCase();
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88 | for (var i = 0; i < n.length; i++) {
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89 | if (n[i].toLowerCase() == s || m[i].toLowerCase() == s || o[i].toLowerCase() == s) {
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90 | return i;
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91 | }
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92 | }
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93 | return -1;
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94 | };
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95 |
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96 | /**
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97 | * Gets the month number (0-11) if given a Culture Info specific string which is a valid monthName or abbreviatedMonthName.
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98 | * @param {String} The name of the month (eg. "February, "Feb", "october", "oct").
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99 | * @return {Number} The day number
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100 | */
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101 | $D.getMonthNumberFromName = function (name) {
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102 | var n = $C.monthNames, m = $C.abbreviatedMonthNames, s = name.toLowerCase();
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103 | for (var i = 0; i < n.length; i++) {
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104 | if (n[i].toLowerCase() == s || m[i].toLowerCase() == s) {
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105 | return i;
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106 | }
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107 | }
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108 | return -1;
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109 | };
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110 |
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111 | /**
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112 | * Determines if the current date instance is within a LeapYear.
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113 | * @param {Number} The year.
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114 | * @return {Boolean} true if date is within a LeapYear, otherwise false.
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115 | */
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116 | $D.isLeapYear = function (year) {
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117 | return ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0);
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118 | };
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119 |
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120 | /**
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121 | * Gets the number of days in the month, given a year and month value. Automatically corrects for LeapYear.
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122 | * @param {Number} The year.
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123 | * @param {Number} The month (0-11).
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124 | * @return {Number} The number of days in the month.
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125 | */
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126 | $D.getDaysInMonth = function (year, month) {
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127 | return [31, ($D.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
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128 | };
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129 |
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130 | $D.getTimezoneAbbreviation = function (offset) {
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131 | var z = $C.timezones, p;
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132 | for (var i = 0; i < z.length; i++) {
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133 | if (z[i].offset === offset) {
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134 | return z[i].name;
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135 | }
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136 | }
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137 | return null;
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138 | };
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139 |
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140 | $D.getTimezoneOffset = function (name) {
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141 | var z = $C.timezones, p;
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142 | for (var i = 0; i < z.length; i++) {
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143 | if (z[i].name === name.toUpperCase()) {
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144 | return z[i].offset;
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145 | }
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146 | }
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147 | return null;
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148 | };
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149 |
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150 | /**
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151 | * Returns a new Date object that is an exact date and time copy of the original instance.
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152 | * @return {Date} A new Date instance
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153 | */
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154 | $P.clone = function () {
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155 | return new Date(this.getTime());
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156 | };
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157 |
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158 | /**
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159 | * Compares this instance to a Date object and returns an number indication of their relative values.
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160 | * @param {Date} Date object to compare [Required]
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161 | * @return {Number} -1 = this is lessthan date. 0 = values are equal. 1 = this is greaterthan date.
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162 | */
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163 | $P.compareTo = function (date) {
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164 | return Date.compare(this, date);
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165 | };
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166 |
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167 | /**
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168 | * Compares this instance to another Date object and returns true if they are equal.
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169 | * @param {Date} Date object to compare. If no date to compare, new Date() [now] is used.
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170 | * @return {Boolean} true if dates are equal. false if they are not equal.
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171 | */
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172 | $P.equals = function (date) {
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173 | return Date.equals(this, date || new Date());
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174 | };
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175 |
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176 | /**
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177 | * Determines if this instance is between a range of two dates or equal to either the start or end dates.
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178 | * @param {Date} Start of range [Required]
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179 | * @param {Date} End of range [Required]
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180 | * @return {Boolean} true is this is between or equal to the start and end dates, else false
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181 | */
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182 | $P.between = function (start, end) {
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183 | return this.getTime() >= start.getTime() && this.getTime() <= end.getTime();
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184 | };
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185 |
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186 | /**
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187 | * Determines if this date occurs after the date to compare to.
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188 | * @param {Date} Date object to compare. If no date to compare, new Date() ("now") is used.
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189 | * @return {Boolean} true if this date instance is greater than the date to compare to (or "now"), otherwise false.
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190 | */
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191 | $P.isAfter = function (date) {
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192 | return this.compareTo(date || new Date()) === 1;
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193 | };
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194 |
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195 | /**
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196 | * Determines if this date occurs before the date to compare to.
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197 | * @param {Date} Date object to compare. If no date to compare, new Date() ("now") is used.
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198 | * @return {Boolean} true if this date instance is less than the date to compare to (or "now").
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199 | */
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200 | $P.isBefore = function (date) {
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201 | return (this.compareTo(date || new Date()) === -1);
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202 | };
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203 |
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204 | /**
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205 | * Determines if the current Date instance occurs today.
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206 | * @return {Boolean} true if this date instance is 'today', otherwise false.
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207 | */
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208 |
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209 | /**
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210 | * Determines if the current Date instance occurs on the same Date as the supplied 'date'.
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211 | * If no 'date' to compare to is provided, the current Date instance is compared to 'today'.
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212 | * @param {date} Date object to compare. If no date to compare, the current Date ("now") is used.
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213 | * @return {Boolean} true if this Date instance occurs on the same Day as the supplied 'date'.
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214 | */
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215 | $P.isToday = $P.isSameDay = function (date) {
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216 | return this.clone().clearTime().equals((date || new Date()).clone().clearTime());
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217 | };
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218 |
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219 | /**
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220 | * Adds the specified number of milliseconds to this instance.
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221 | * @param {Number} The number of milliseconds to add. The number can be positive or negative [Required]
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222 | * @return {Date} this
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223 | */
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224 | $P.addMilliseconds = function (value) {
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225 | this.setMilliseconds(this.getMilliseconds() + value * 1);
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226 | return this;
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227 | };
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228 |
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229 | /**
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230 | * Adds the specified number of seconds to this instance.
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231 | * @param {Number} The number of seconds to add. The number can be positive or negative [Required]
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232 | * @return {Date} this
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233 | */
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234 | $P.addSeconds = function (value) {
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235 | return this.addMilliseconds(value * 1000);
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236 | };
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237 |
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238 | /**
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239 | * Adds the specified number of seconds to this instance.
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240 | * @param {Number} The number of seconds to add. The number can be positive or negative [Required]
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241 | * @return {Date} this
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242 | */
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243 | $P.addMinutes = function (value) {
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244 | return this.addMilliseconds(value * 60000); /* 60*1000 */
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245 | };
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246 |
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247 | /**
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248 | * Adds the specified number of hours to this instance.
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249 | * @param {Number} The number of hours to add. The number can be positive or negative [Required]
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250 | * @return {Date} this
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251 | */
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252 | $P.addHours = function (value) {
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253 | return this.addMilliseconds(value * 3600000); /* 60*60*1000 */
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254 | };
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255 |
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256 | /**
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257 | * Adds the specified number of days to this instance.
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258 | * @param {Number} The number of days to add. The number can be positive or negative [Required]
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259 | * @return {Date} this
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260 | */
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261 | $P.addDays = function (value) {
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262 | this.setDate(this.getDate() + value * 1);
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263 | return this;
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264 | };
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265 |
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266 | /**
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267 | * Adds the specified number of weeks to this instance.
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268 | * @param {Number} The number of weeks to add. The number can be positive or negative [Required]
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269 | * @return {Date} this
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270 | */
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271 | $P.addWeeks = function (value) {
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272 | return this.addDays(value * 7);
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273 | };
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274 |
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275 | /**
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276 | * Adds the specified number of months to this instance.
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277 | * @param {Number} The number of months to add. The number can be positive or negative [Required]
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278 | * @return {Date} this
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279 | */
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280 | $P.addMonths = function (value) {
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281 | var n = this.getDate();
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282 | this.setDate(1);
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283 | this.setMonth(this.getMonth() + value * 1);
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284 | this.setDate(Math.min(n, $D.getDaysInMonth(this.getFullYear(), this.getMonth())));
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285 | return this;
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286 | };
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287 |
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288 | /**
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289 | * Adds the specified number of years to this instance.
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290 | * @param {Number} The number of years to add. The number can be positive or negative [Required]
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291 | * @return {Date} this
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292 | */
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293 | $P.addYears = function (value) {
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294 | return this.addMonths(value * 12);
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295 | };
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296 |
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297 | /**
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298 | * Adds (or subtracts) to the value of the years, months, weeks, days, hours, minutes, seconds, milliseconds of the date instance using given configuration object. Positive and Negative values allowed.
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299 | * Example
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300 | <pre><code>
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301 | Date.today().add( { days: 1, months: 1 } )
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302 |
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303 | new Date().add( { years: -1 } )
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304 | </code></pre>
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305 | * @param {Object} Configuration object containing attributes (months, days, etc.)
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306 | * @return {Date} this
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307 | */
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308 | $P.add = function (config) {
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309 | if (typeof config == "number") {
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310 | this._orient = config;
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311 | return this;
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312 | }
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313 |
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314 | var x = config;
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315 |
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316 | if (x.milliseconds) {
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317 | this.addMilliseconds(x.milliseconds);
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318 | }
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319 | if (x.seconds) {
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320 | this.addSeconds(x.seconds);
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321 | }
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322 | if (x.minutes) {
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323 | this.addMinutes(x.minutes);
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324 | }
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325 | if (x.hours) {
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326 | this.addHours(x.hours);
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327 | }
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328 | if (x.weeks) {
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329 | this.addWeeks(x.weeks);
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330 | }
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331 | if (x.months) {
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332 | this.addMonths(x.months);
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333 | }
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334 | if (x.years) {
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335 | this.addYears(x.years);
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336 | }
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337 | if (x.days) {
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338 | this.addDays(x.days);
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339 | }
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340 | return this;
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341 | };
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342 |
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343 | var $y, $m, $d;
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344 |
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345 | /**
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346 | * Get the week number. Week one (1) is the week which contains the first Thursday of the year. Monday is considered the first day of the week.
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347 | * This algorithm is a JavaScript port of the work presented by Claus Tøndering at http://www.tondering.dk/claus/cal/node8.html#SECTION00880000000000000000
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348 | * .getWeek() Algorithm Copyright (c) 2008 Claus Tondering.
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349 | * The .getWeek() function does NOT convert the date to UTC. The local datetime is used. Please use .getISOWeek() to get the week of the UTC converted date.
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350 | * @return {Number} 1 to 53
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351 | */
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352 | $P.getWeek = function () {
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353 | var a, b, c, d, e, f, g, n, s, w;
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354 |
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355 | $y = (!$y) ? this.getFullYear() : $y;
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356 | $m = (!$m) ? this.getMonth() + 1 : $m;
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357 | $d = (!$d) ? this.getDate() : $d;
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358 |
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359 | if ($m <= 2) {
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360 | a = $y - 1;
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361 | b = (a / 4 | 0) - (a / 100 | 0) + (a / 400 | 0);
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362 | c = ((a - 1) / 4 | 0) - ((a - 1) / 100 | 0) + ((a - 1) / 400 | 0);
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363 | s = b - c;
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364 | e = 0;
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365 | f = $d - 1 + (31 * ($m - 1));
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366 | } else {
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367 | a = $y;
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368 | b = (a / 4 | 0) - (a / 100 | 0) + (a / 400 | 0);
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369 | c = ((a - 1) / 4 | 0) - ((a - 1) / 100 | 0) + ((a - 1) / 400 | 0);
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370 | s = b - c;
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371 | e = s + 1;
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372 | f = $d + ((153 * ($m - 3) + 2) / 5) + 58 + s;
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373 | }
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374 |
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375 | g = (a + b) % 7;
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376 | d = (f + g - e) % 7;
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377 | n = (f + 3 - d) | 0;
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378 |
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379 | if (n < 0) {
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380 | w = 53 - ((g - s) / 5 | 0);
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381 | } else if (n > 364 + s) {
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382 | w = 1;
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383 | } else {
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384 | w = (n / 7 | 0) + 1;
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385 | }
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386 |
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387 | $y = $m = $d = null;
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388 |
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389 | return w;
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390 | };
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391 |
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392 | /**
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393 | * Get the ISO 8601 week number. Week one ("01") is the week which contains the first Thursday of the year. Monday is considered the first day of the week.
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394 | * The .getISOWeek() function does convert the date to it's UTC value. Please use .getWeek() to get the week of the local date.
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395 | * @return {String} "01" to "53"
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396 | */
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397 | $P.getISOWeek = function () {
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398 | $y = this.getUTCFullYear();
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399 | $m = this.getUTCMonth() + 1;
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400 | $d = this.getUTCDate();
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401 | return p(this.getWeek());
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402 | };
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403 |
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404 | /**
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405 | * Moves the date to Monday of the week set. Week one (1) is the week which contains the first Thursday of the year.
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406 | * @param {Number} A Number (1 to 53) that represents the week of the year.
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407 | * @return {Date} this
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408 | */
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409 | $P.setWeek = function (n) {
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410 | return this.moveToDayOfWeek(1).addWeeks(n - this.getWeek());
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411 | };
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412 |
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413 | // private
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414 | var validate = function (n, min, max, name) {
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415 | if (typeof n == "undefined") {
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416 | return false;
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417 | } else if (typeof n != "number") {
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418 | throw new TypeError(n + " is not a Number.");
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419 | } else if (n < min || n > max) {
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420 | throw new RangeError(n + " is not a valid value for " + name + ".");
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421 | }
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422 | return true;
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423 | };
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424 |
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425 | /**
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426 | * Validates the number is within an acceptable range for milliseconds [0-999].
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427 | * @param {Number} The number to check if within range.
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428 | * @return {Boolean} true if within range, otherwise false.
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429 | */
|
---|
430 | $D.validateMillisecond = function (value) {
|
---|
431 | return validate(value, 0, 999, "millisecond");
|
---|
432 | };
|
---|
433 |
|
---|
434 | /**
|
---|
435 | * Validates the number is within an acceptable range for seconds [0-59].
|
---|
436 | * @param {Number} The number to check if within range.
|
---|
437 | * @return {Boolean} true if within range, otherwise false.
|
---|
438 | */
|
---|
439 | $D.validateSecond = function (value) {
|
---|
440 | return validate(value, 0, 59, "second");
|
---|
441 | };
|
---|
442 |
|
---|
443 | /**
|
---|
444 | * Validates the number is within an acceptable range for minutes [0-59].
|
---|
445 | * @param {Number} The number to check if within range.
|
---|
446 | * @return {Boolean} true if within range, otherwise false.
|
---|
447 | */
|
---|
448 | $D.validateMinute = function (value) {
|
---|
449 | return validate(value, 0, 59, "minute");
|
---|
450 | };
|
---|
451 |
|
---|
452 | /**
|
---|
453 | * Validates the number is within an acceptable range for hours [0-23].
|
---|
454 | * @param {Number} The number to check if within range.
|
---|
455 | * @return {Boolean} true if within range, otherwise false.
|
---|
456 | */
|
---|
457 | $D.validateHour = function (value) {
|
---|
458 | return validate(value, 0, 23, "hour");
|
---|
459 | };
|
---|
460 |
|
---|
461 | /**
|
---|
462 | * Validates the number is within an acceptable range for the days in a month [0-MaxDaysInMonth].
|
---|
463 | * @param {Number} The number to check if within range.
|
---|
464 | * @return {Boolean} true if within range, otherwise false.
|
---|
465 | */
|
---|
466 | $D.validateDay = function (value, year, month) {
|
---|
467 | return validate(value, 1, $D.getDaysInMonth(year, month), "day");
|
---|
468 | };
|
---|
469 |
|
---|
470 | /**
|
---|
471 | * Validates the number is within an acceptable range for months [0-11].
|
---|
472 | * @param {Number} The number to check if within range.
|
---|
473 | * @return {Boolean} true if within range, otherwise false.
|
---|
474 | */
|
---|
475 | $D.validateMonth = function (value) {
|
---|
476 | return validate(value, 0, 11, "month");
|
---|
477 | };
|
---|
478 |
|
---|
479 | /**
|
---|
480 | * Validates the number is within an acceptable range for years.
|
---|
481 | * @param {Number} The number to check if within range.
|
---|
482 | * @return {Boolean} true if within range, otherwise false.
|
---|
483 | */
|
---|
484 | $D.validateYear = function (value) {
|
---|
485 | return validate(value, 0, 9999, "year");
|
---|
486 | };
|
---|
487 |
|
---|
488 | /**
|
---|
489 | * Set the value of year, month, day, hour, minute, second, millisecond of date instance using given configuration object.
|
---|
490 | * Example
|
---|
491 | <pre><code>
|
---|
492 | Date.today().set( { day: 20, month: 1 } )
|
---|
493 |
|
---|
494 | new Date().set( { millisecond: 0 } )
|
---|
495 | </code></pre>
|
---|
496 | *
|
---|
497 | * @param {Object} Configuration object containing attributes (month, day, etc.)
|
---|
498 | * @return {Date} this
|
---|
499 | */
|
---|
500 | $P.set = function (config) {
|
---|
501 | if ($D.validateMillisecond(config.millisecond)) {
|
---|
502 | this.addMilliseconds(config.millisecond - this.getMilliseconds());
|
---|
503 | }
|
---|
504 |
|
---|
505 | if ($D.validateSecond(config.second)) {
|
---|
506 | this.addSeconds(config.second - this.getSeconds());
|
---|
507 | }
|
---|
508 |
|
---|
509 | if ($D.validateMinute(config.minute)) {
|
---|
510 | this.addMinutes(config.minute - this.getMinutes());
|
---|
511 | }
|
---|
512 |
|
---|
513 | if ($D.validateHour(config.hour)) {
|
---|
514 | this.addHours(config.hour - this.getHours());
|
---|
515 | }
|
---|
516 |
|
---|
517 | if ($D.validateMonth(config.month)) {
|
---|
518 | this.addMonths(config.month - this.getMonth());
|
---|
519 | }
|
---|
520 |
|
---|
521 | if ($D.validateYear(config.year)) {
|
---|
522 | this.addYears(config.year - this.getFullYear());
|
---|
523 | }
|
---|
524 |
|
---|
525 | /* day has to go last because you can't validate the day without first knowing the month */
|
---|
526 | if ($D.validateDay(config.day, this.getFullYear(), this.getMonth())) {
|
---|
527 | this.addDays(config.day - this.getDate());
|
---|
528 | }
|
---|
529 |
|
---|
530 | if (config.timezone) {
|
---|
531 | this.setTimezone(config.timezone);
|
---|
532 | }
|
---|
533 |
|
---|
534 | if (config.timezoneOffset) {
|
---|
535 | this.setTimezoneOffset(config.timezoneOffset);
|
---|
536 | }
|
---|
537 |
|
---|
538 | if (config.week && validate(config.week, 0, 53, "week")) {
|
---|
539 | this.setWeek(config.week);
|
---|
540 | }
|
---|
541 |
|
---|
542 | return this;
|
---|
543 | };
|
---|
544 |
|
---|
545 | /**
|
---|
546 | * Moves the date to the first day of the month.
|
---|
547 | * @return {Date} this
|
---|
548 | */
|
---|
549 | $P.moveToFirstDayOfMonth = function () {
|
---|
550 | return this.set({ day: 1 });
|
---|
551 | };
|
---|
552 |
|
---|
553 | /**
|
---|
554 | * Moves the date to the last day of the month.
|
---|
555 | * @return {Date} this
|
---|
556 | */
|
---|
557 | $P.moveToLastDayOfMonth = function () {
|
---|
558 | return this.set({ day: $D.getDaysInMonth(this.getFullYear(), this.getMonth())});
|
---|
559 | };
|
---|
560 |
|
---|
561 | /**
|
---|
562 | * Moves the date to the next n'th occurrence of the dayOfWeek starting from the beginning of the month. The number (-1) is a magic number and will return the last occurrence of the dayOfWeek in the month.
|
---|
563 | * @param {Number} The dayOfWeek to move to
|
---|
564 | * @param {Number} The n'th occurrence to move to. Use (-1) to return the last occurrence in the month
|
---|
565 | * @return {Date} this
|
---|
566 | */
|
---|
567 | $P.moveToNthOccurrence = function (dayOfWeek, occurrence) {
|
---|
568 | var shift = 0;
|
---|
569 | if (occurrence > 0) {
|
---|
570 | shift = occurrence - 1;
|
---|
571 | }
|
---|
572 | else if (occurrence === -1) {
|
---|
573 | this.moveToLastDayOfMonth();
|
---|
574 | if (this.getDay() !== dayOfWeek) {
|
---|
575 | this.moveToDayOfWeek(dayOfWeek, -1);
|
---|
576 | }
|
---|
577 | return this;
|
---|
578 | }
|
---|
579 | return this.moveToFirstDayOfMonth().addDays(-1).moveToDayOfWeek(dayOfWeek, +1).addWeeks(shift);
|
---|
580 | };
|
---|
581 |
|
---|
582 | /**
|
---|
583 | * Move to the next or last dayOfWeek based on the orient value.
|
---|
584 | * @param {Number} The dayOfWeek to move to
|
---|
585 | * @param {Number} Forward (+1) or Back (-1). Defaults to +1. [Optional]
|
---|
586 | * @return {Date} this
|
---|
587 | */
|
---|
588 | $P.moveToDayOfWeek = function (dayOfWeek, orient) {
|
---|
589 | var diff = (dayOfWeek - this.getDay() + 7 * (orient || +1)) % 7;
|
---|
590 | return this.addDays((diff === 0) ? diff += 7 * (orient || +1) : diff);
|
---|
591 | };
|
---|
592 |
|
---|
593 | /**
|
---|
594 | * Move to the next or last month based on the orient value.
|
---|
595 | * @param {Number} The month to move to. 0 = January, 11 = December
|
---|
596 | * @param {Number} Forward (+1) or Back (-1). Defaults to +1. [Optional]
|
---|
597 | * @return {Date} this
|
---|
598 | */
|
---|
599 | $P.moveToMonth = function (month, orient) {
|
---|
600 | var diff = (month - this.getMonth() + 12 * (orient || +1)) % 12;
|
---|
601 | return this.addMonths((diff === 0) ? diff += 12 * (orient || +1) : diff);
|
---|
602 | };
|
---|
603 |
|
---|
604 | /**
|
---|
605 | * Get the Ordinal day (numeric day number) of the year, adjusted for leap year.
|
---|
606 | * @return {Number} 1 through 365 (366 in leap years)
|
---|
607 | */
|
---|
608 | $P.getOrdinalNumber = function () {
|
---|
609 | return Math.ceil((this.clone().clearTime() - new Date(this.getFullYear(), 0, 1)) / 86400000) + 1;
|
---|
610 | };
|
---|
611 |
|
---|
612 | /**
|
---|
613 | * Get the time zone abbreviation of the current date.
|
---|
614 | * @return {String} The abbreviated time zone name (e.g. "EST")
|
---|
615 | */
|
---|
616 | $P.getTimezone = function () {
|
---|
617 | return $D.getTimezoneAbbreviation(this.getUTCOffset());
|
---|
618 | };
|
---|
619 |
|
---|
620 | $P.setTimezoneOffset = function (offset) {
|
---|
621 | var here = this.getTimezoneOffset(), there = Number(offset) * -6 / 10;
|
---|
622 | return this.addMinutes(there - here);
|
---|
623 | };
|
---|
624 |
|
---|
625 | $P.setTimezone = function (offset) {
|
---|
626 | return this.setTimezoneOffset($D.getTimezoneOffset(offset));
|
---|
627 | };
|
---|
628 |
|
---|
629 | /**
|
---|
630 | * Indicates whether Daylight Saving Time is observed in the current time zone.
|
---|
631 | * @return {Boolean} true|false
|
---|
632 | */
|
---|
633 | $P.hasDaylightSavingTime = function () {
|
---|
634 | return (Date.today().set({month: 0, day: 1}).getTimezoneOffset() !== Date.today().set({month: 6, day: 1}).getTimezoneOffset());
|
---|
635 | };
|
---|
636 |
|
---|
637 | /**
|
---|
638 | * Indicates whether this Date instance is within the Daylight Saving Time range for the current time zone.
|
---|
639 | * @return {Boolean} true|false
|
---|
640 | */
|
---|
641 | $P.isDaylightSavingTime = function () {
|
---|
642 | return Date.today().set({month: 0, day: 1}).getTimezoneOffset() != this.getTimezoneOffset();
|
---|
643 | };
|
---|
644 |
|
---|
645 | /**
|
---|
646 | * Get the offset from UTC of the current date.
|
---|
647 | * @return {String} The 4-character offset string prefixed with + or - (e.g. "-0500")
|
---|
648 | */
|
---|
649 | $P.getUTCOffset = function () {
|
---|
650 | var n = this.getTimezoneOffset() * -10 / 6, r;
|
---|
651 | if (n < 0) {
|
---|
652 | r = (n - 10000).toString();
|
---|
653 | return r.charAt(0) + r.substr(2);
|
---|
654 | } else {
|
---|
655 | r = (n + 10000).toString();
|
---|
656 | return "+" + r.substr(1);
|
---|
657 | }
|
---|
658 | };
|
---|
659 |
|
---|
660 | /**
|
---|
661 | * Returns the number of milliseconds between this date and date.
|
---|
662 | * @param {Date} Defaults to now
|
---|
663 | * @return {Number} The diff in milliseconds
|
---|
664 | */
|
---|
665 | $P.getElapsed = function (date) {
|
---|
666 | return (date || new Date()) - this;
|
---|
667 | };
|
---|
668 |
|
---|
669 | if (!$P.toISOString) {
|
---|
670 | /**
|
---|
671 | * Converts the current date instance into a string with an ISO 8601 format. The date is converted to it's UTC value.
|
---|
672 | * @return {String} ISO 8601 string of date
|
---|
673 | */
|
---|
674 | $P.toISOString = function () {
|
---|
675 | // From http://www.json.org/json.js. Public Domain.
|
---|
676 | function f(n) {
|
---|
677 | return n < 10 ? '0' + n : n;
|
---|
678 | }
|
---|
679 |
|
---|
680 | return '"' + this.getUTCFullYear() + '-' +
|
---|
681 | f(this.getUTCMonth() + 1) + '-' +
|
---|
682 | f(this.getUTCDate()) + 'T' +
|
---|
683 | f(this.getUTCHours()) + ':' +
|
---|
684 | f(this.getUTCMinutes()) + ':' +
|
---|
685 | f(this.getUTCSeconds()) + 'Z"';
|
---|
686 | };
|
---|
687 | }
|
---|
688 |
|
---|
689 | // private
|
---|
690 | $P._toString = $P.toString;
|
---|
691 |
|
---|
692 | /**
|
---|
693 | * Converts the value of the current Date object to its equivalent string representation.
|
---|
694 | * Format Specifiers
|
---|
695 | <pre>
|
---|
696 | CUSTOM DATE AND TIME FORMAT STRINGS
|
---|
697 | Format Description Example
|
---|
698 | ------ --------------------------------------------------------------------------- -----------------------
|
---|
699 | s The seconds of the minute between 0-59. "0" to "59"
|
---|
700 | ss The seconds of the minute with leading zero if required. "00" to "59"
|
---|
701 |
|
---|
702 | m The minute of the hour between 0-59. "0" or "59"
|
---|
703 | mm The minute of the hour with leading zero if required. "00" or "59"
|
---|
704 |
|
---|
705 | h The hour of the day between 1-12. "1" to "12"
|
---|
706 | hh The hour of the day with leading zero if required. "01" to "12"
|
---|
707 |
|
---|
708 | H The hour of the day between 0-23. "0" to "23"
|
---|
709 | HH The hour of the day with leading zero if required. "00" to "23"
|
---|
710 |
|
---|
711 | d The day of the month between 1 and 31. "1" to "31"
|
---|
712 | dd The day of the month with leading zero if required. "01" to "31"
|
---|
713 | ddd Abbreviated day name. $C.abbreviatedDayNames. "Mon" to "Sun"
|
---|
714 | dddd The full day name. $C.dayNames. "Monday" to "Sunday"
|
---|
715 |
|
---|
716 | M The month of the year between 1-12. "1" to "12"
|
---|
717 | MM The month of the year with leading zero if required. "01" to "12"
|
---|
718 | MMM Abbreviated month name. $C.abbreviatedMonthNames. "Jan" to "Dec"
|
---|
719 | MMMM The full month name. $C.monthNames. "January" to "December"
|
---|
720 |
|
---|
721 | yy The year as a two-digit number. "99" or "08"
|
---|
722 | yyyy The full four digit year. "1999" or "2008"
|
---|
723 |
|
---|
724 | t Displays the first character of the A.M./P.M. designator. "A" or "P"
|
---|
725 | $C.amDesignator or $C.pmDesignator
|
---|
726 | tt Displays the A.M./P.M. designator. "AM" or "PM"
|
---|
727 | $C.amDesignator or $C.pmDesignator
|
---|
728 |
|
---|
729 | S The ordinal suffix ("st, "nd", "rd" or "th") of the current day. "st, "nd", "rd" or "th"
|
---|
730 |
|
---|
731 | || *Format* || *Description* || *Example* ||
|
---|
732 | || d || The CultureInfo shortDate Format Pattern || "M/d/yyyy" ||
|
---|
733 | || D || The CultureInfo longDate Format Pattern || "dddd, MMMM dd, yyyy" ||
|
---|
734 | || F || The CultureInfo fullDateTime Format Pattern || "dddd, MMMM dd, yyyy h:mm:ss tt" ||
|
---|
735 | || m || The CultureInfo monthDay Format Pattern || "MMMM dd" ||
|
---|
736 | || r || The CultureInfo rfc1123 Format Pattern || "ddd, dd MMM yyyy HH:mm:ss GMT" ||
|
---|
737 | || s || The CultureInfo sortableDateTime Format Pattern || "yyyy-MM-ddTHH:mm:ss" ||
|
---|
738 | || t || The CultureInfo shortTime Format Pattern || "h:mm tt" ||
|
---|
739 | || T || The CultureInfo longTime Format Pattern || "h:mm:ss tt" ||
|
---|
740 | || u || The CultureInfo universalSortableDateTime Format Pattern || "yyyy-MM-dd HH:mm:ssZ" ||
|
---|
741 | || y || The CultureInfo yearMonth Format Pattern || "MMMM, yyyy" ||
|
---|
742 |
|
---|
743 |
|
---|
744 | STANDARD DATE AND TIME FORMAT STRINGS
|
---|
745 | Format Description Example ("en-US")
|
---|
746 | ------ --------------------------------------------------------------------------- -----------------------
|
---|
747 | d The CultureInfo shortDate Format Pattern "M/d/yyyy"
|
---|
748 | D The CultureInfo longDate Format Pattern "dddd, MMMM dd, yyyy"
|
---|
749 | F The CultureInfo fullDateTime Format Pattern "dddd, MMMM dd, yyyy h:mm:ss tt"
|
---|
750 | m The CultureInfo monthDay Format Pattern "MMMM dd"
|
---|
751 | r The CultureInfo rfc1123 Format Pattern "ddd, dd MMM yyyy HH:mm:ss GMT"
|
---|
752 | s The CultureInfo sortableDateTime Format Pattern "yyyy-MM-ddTHH:mm:ss"
|
---|
753 | t The CultureInfo shortTime Format Pattern "h:mm tt"
|
---|
754 | T The CultureInfo longTime Format Pattern "h:mm:ss tt"
|
---|
755 | u The CultureInfo universalSortableDateTime Format Pattern "yyyy-MM-dd HH:mm:ssZ"
|
---|
756 | y The CultureInfo yearMonth Format Pattern "MMMM, yyyy"
|
---|
757 | </pre>
|
---|
758 | * @param {String} A format string consisting of one or more format spcifiers [Optional].
|
---|
759 | * @return {String} A string representation of the current Date object.
|
---|
760 | */
|
---|
761 | $P.toString = function (format) {
|
---|
762 | var x = this;
|
---|
763 |
|
---|
764 | // Standard Date and Time Format Strings. Formats pulled from CultureInfo file and
|
---|
765 | // may vary by culture.
|
---|
766 | if (format && format.length == 1) {
|
---|
767 | var c = $C.formatPatterns;
|
---|
768 | x.t = x.toString;
|
---|
769 | switch (format) {
|
---|
770 | case "d":
|
---|
771 | return x.t(c.shortDate);
|
---|
772 | case "D":
|
---|
773 | return x.t(c.longDate);
|
---|
774 | case "F":
|
---|
775 | return x.t(c.fullDateTime);
|
---|
776 | case "m":
|
---|
777 | return x.t(c.monthDay);
|
---|
778 | case "r":
|
---|
779 | return x.t(c.rfc1123);
|
---|
780 | case "s":
|
---|
781 | return x.t(c.sortableDateTime);
|
---|
782 | case "t":
|
---|
783 | return x.t(c.shortTime);
|
---|
784 | case "T":
|
---|
785 | return x.t(c.longTime);
|
---|
786 | case "u":
|
---|
787 | return x.t(c.universalSortableDateTime);
|
---|
788 | case "y":
|
---|
789 | return x.t(c.yearMonth);
|
---|
790 | }
|
---|
791 | }
|
---|
792 |
|
---|
793 | var ord = function (n) {
|
---|
794 | switch (n * 1) {
|
---|
795 | case 1:
|
---|
796 | case 21:
|
---|
797 | case 31:
|
---|
798 | return "st";
|
---|
799 | case 2:
|
---|
800 | case 22:
|
---|
801 | return "nd";
|
---|
802 | case 3:
|
---|
803 | case 23:
|
---|
804 | return "rd";
|
---|
805 | default:
|
---|
806 | return "th";
|
---|
807 | }
|
---|
808 | };
|
---|
809 |
|
---|
810 | return format ? format.replace(/(\\)?(dd?d?d?|MM?M?M?|yy?y?y?|hh?|HH?|mm?|ss?|tt?|S)/g,
|
---|
811 | function (m) {
|
---|
812 | if (m.charAt(0) === "\\") {
|
---|
813 | return m.replace("\\", "");
|
---|
814 | }
|
---|
815 | x.h = x.getHours;
|
---|
816 | switch (m) {
|
---|
817 | case "hh":
|
---|
818 | return p(x.h() < 13 ? (x.h() === 0 ? 12 : x.h()) : (x.h() - 12));
|
---|
819 | case "h":
|
---|
820 | return x.h() < 13 ? (x.h() === 0 ? 12 : x.h()) : (x.h() - 12);
|
---|
821 | case "HH":
|
---|
822 | return p(x.h());
|
---|
823 | case "H":
|
---|
824 | return x.h();
|
---|
825 | case "mm":
|
---|
826 | return p(x.getMinutes());
|
---|
827 | case "m":
|
---|
828 | return x.getMinutes();
|
---|
829 | case "ss":
|
---|
830 | return p(x.getSeconds());
|
---|
831 | case "s":
|
---|
832 | return x.getSeconds();
|
---|
833 | case "yyyy":
|
---|
834 | return p(x.getFullYear(), 4);
|
---|
835 | case "yy":
|
---|
836 | return p(x.getFullYear());
|
---|
837 | case "dddd":
|
---|
838 | return $C.dayNames[x.getDay()];
|
---|
839 | case "ddd":
|
---|
840 | return $C.abbreviatedDayNames[x.getDay()];
|
---|
841 | case "dd":
|
---|
842 | return p(x.getDate());
|
---|
843 | case "d":
|
---|
844 | return x.getDate();
|
---|
845 | case "MMMM":
|
---|
846 | return $C.monthNames[x.getMonth()];
|
---|
847 | case "MMM":
|
---|
848 | return $C.abbreviatedMonthNames[x.getMonth()];
|
---|
849 | case "MM":
|
---|
850 | return p((x.getMonth() + 1));
|
---|
851 | case "M":
|
---|
852 | return x.getMonth() + 1;
|
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853 | case "t":
|
---|
854 | return x.h() < 12 ? $C.amDesignator.substring(0, 1) : $C.pmDesignator.substring(0, 1);
|
---|
855 | case "tt":
|
---|
856 | return x.h() < 12 ? $C.amDesignator : $C.pmDesignator;
|
---|
857 | case "S":
|
---|
858 | return ord(x.getDate());
|
---|
859 | default:
|
---|
860 | return m;
|
---|
861 | }
|
---|
862 | }
|
---|
863 | ) : this._toString();
|
---|
864 | };
|
---|
865 | }()); |
---|