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diff --git a/libs/js/globalize/generator/HijriCalendar.js b/libs/js/globalize/generator/HijriCalendar.js
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- // Adapted to Script from System.Globalization.HijriCalendar
- ticks1970: 62135596800000,
- // number of days leading up to each month
- monthDays: [0, 30, 59, 89, 118, 148, 177, 207, 236, 266, 295, 325, 355],
- minDate: -42521673600000,
- maxDate: 253402300799999,
- // The number of days to add or subtract from the calendar to accommodate the variances
- // in the start and the end of Ramadan and to accommodate the date difference between
- // countries/regions. May be dynamically adjusted based on user preference, but should
- // remain in the range of -2 to 2, inclusive.
- hijriAdjustment: %HIJRIADJUSTMENT%,
- toGregorian: function(hyear, hmonth, hday) {
- var daysSinceJan0101 = this.daysToYear(hyear) + this.monthDays[hmonth] + hday - 1 - this.hijriAdjustment;
- // 86400000 = ticks per day
- var gdate = new Date(daysSinceJan0101 * 86400000 - this.ticks1970);
- // adjust for timezone, because we are interested in the gregorian date for the same timezone
- // but ticks in javascript is always from GMT, unlike the server were ticks counts from the base
- // date in the current timezone.
- gdate.setMinutes(gdate.getMinutes() + gdate.getTimezoneOffset());
- return gdate;
- },
- fromGregorian: function(gdate) {
- if ((gdate < this.minDate) || (gdate > this.maxDate)) return null;
- var ticks = this.ticks1970 + (gdate-0) - gdate.getTimezoneOffset() * 60000,
- daysSinceJan0101 = Math.floor(ticks / 86400000) + 1 + this.hijriAdjustment;
- // very particular formula determined by someone smart, adapted from the server-side implementation.
- // it approximates the hijri year.
- var hday, hmonth, hyear = Math.floor(((daysSinceJan0101 - 227013) * 30) / 10631) + 1,
- absDays = this.daysToYear(hyear),
- daysInYear = this.isLeapYear(hyear) ? 355 : 354;
- // hyear is just approximate, it may need adjustment up or down by 1.
- if (daysSinceJan0101 < absDays) {
- hyear--;
- absDays -= daysInYear;
- }
- else if (daysSinceJan0101 === absDays) {
- hyear--;
- absDays = this.daysToYear(hyear);
- }
- else {
- if (daysSinceJan0101 > (absDays + daysInYear)) {
- absDays += daysInYear;
- hyear++;
- }
- }
- // determine month by looking at how many days into the hyear we are
- // monthDays contains the number of days up to each month.
- hmonth = 0;
- var daysIntoYear = daysSinceJan0101 - absDays;
- while (hmonth <= 11 && daysIntoYear > this.monthDays[hmonth]) {
- hmonth++;
- }
- hmonth--;
- hday = daysIntoYear - this.monthDays[hmonth];
- return [hyear, hmonth, hday];
- },
- daysToYear: function(year) {
- // calculates how many days since Jan 1, 0001
- var yearsToYear30 = Math.floor((year - 1) / 30) * 30,
- yearsInto30 = year - yearsToYear30 - 1,
- days = Math.floor((yearsToYear30 * 10631) / 30) + 227013;
- while (yearsInto30 > 0) {
- days += (this.isLeapYear(yearsInto30) ? 355 : 354);
- yearsInto30--;
- }
- return days;
- },
- isLeapYear: function(year) {
- return ((((year * 11) + 14) % 30) < 11);
- } \ No newline at end of file