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calendar display type supports Gregorian with Persian, date display type supports Persian calendar

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MaysWind
2025-09-06 23:02:09 +08:00
parent 757f9e5b02
commit a469d66358
24 changed files with 209 additions and 20 deletions
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src/lib/datetime.ts
+31
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@@ -1,6 +1,8 @@
import moment from 'moment-timezone';
import { type unitOfTime } from 'moment/moment';
import jalaali, { type JalaaliDateObject } from 'jalaali-js';
import {
type ChineseCalendarLocaleData,
CalendarType
@@ -91,6 +93,7 @@ class MomentDateTime implements DateTime {
private readonly instance: moment.Moment;
private chineseDateInfo?: ChineseYearMonthDayInfo | undefined = undefined;
private persianDateInfo?: JalaaliDateObject | undefined = undefined;
private constructor(instance: moment.Moment) {
this.instance = instance;
@@ -105,6 +108,8 @@ class MomentDateTime implements DateTime {
return (this.instance.year() + 543).toString();
} else if (options && options.calendarType === CalendarType.Chinese) {
return this.getChineseDateInfo(options.chineseCalendarLocaleData)?.displayYear ?? '';
} else if (options && options.calendarType === CalendarType.Persian) {
return this.getPersianDateInfo().jy.toString();
}
return this.instance.year().toString();
@@ -148,6 +153,8 @@ class MomentDateTime implements DateTime {
public getLocalizedCalendarMonth(options: DateTimeFormatOptions): string {
if (options && options.calendarType === CalendarType.Chinese) {
return this.getChineseDateInfo(options.chineseCalendarLocaleData)?.displayMonth ?? '';
} else if (options && options.calendarType === CalendarType.Persian) {
return this.getPersianDateInfo().jm.toString();
}
return (this.instance.month() + 1).toString();
@@ -160,6 +167,8 @@ class MomentDateTime implements DateTime {
if (options && options.calendarType === CalendarType.Chinese) {
return this.getChineseDateInfo(options.chineseCalendarLocaleData)?.displayMonth ?? '';
} else if (options && options.calendarType === CalendarType.Persian) {
return options.persianCalendarLocaleData.monthNames[this.getPersianDateInfo().jm - 1] ?? '';
}
const names = options.localeData.months();
@@ -173,6 +182,8 @@ class MomentDateTime implements DateTime {
if (options && options.calendarType === CalendarType.Chinese) {
return this.getChineseDateInfo(options.chineseCalendarLocaleData)?.displayMonth ?? '';
} else if (options && options.calendarType === CalendarType.Persian) {
return options.persianCalendarLocaleData.monthShortNames[this.getPersianDateInfo().jm - 1] ?? '';
}
const names = options.localeData.monthsShort();
@@ -186,11 +197,23 @@ class MomentDateTime implements DateTime {
public getLocalizedCalendarDay(options: DateTimeFormatOptions): string {
if (options && options.calendarType === CalendarType.Chinese) {
return this.getChineseDateInfo(options.chineseCalendarLocaleData)?.displayDay ?? '';
} else if (options && options.calendarType === CalendarType.Persian) {
return this.getPersianDateInfo().jd.toString();
}
return this.instance.date().toString();
}
public isLocalizedCalendarFirstDayOfMonth(options: DateTimeFormatOptions): boolean {
if (options && options.calendarType === CalendarType.Chinese) {
return this.getChineseDateInfo(options.chineseCalendarLocaleData)?.day === 1;
} else if (options && options.calendarType === CalendarType.Persian) {
return this.getPersianDateInfo().jd === 1;
}
return this.instance.date() === 1;
}
public getGregorianCalendarYearDashMonthDashDay(): TextualYearMonthDay {
return (this.instance.year() + '-' + (this.instance.month() + 1).toString().padStart(2, NumeralSystem.WesternArabicNumerals.digitZero) + '-' + this.instance.date().toString().padStart(2, NumeralSystem.WesternArabicNumerals.digitZero)) as TextualYearMonthDay;
}
@@ -337,6 +360,14 @@ class MomentDateTime implements DateTime {
return this.chineseDateInfo;
}
private getPersianDateInfo(): JalaaliDateObject {
if (!this.persianDateInfo) {
this.persianDateInfo = jalaali.toJalaali(this.instance.year(), this.instance.month() + 1, this.instance.date());
}
return this.persianDateInfo;
}
static isYearFirstTime(dateTime: MomentDateTime): boolean {
const currentUnixTime = dateTime.instance.clone().set({ millisecond: 0 }).unix();
const expectedUnxTime = dateTime.instance.clone().set({ millisecond: 0 }).startOf('year').unix();