sajjadtalkhabi
51 lines
1.8 KiB
JavaScript
51 lines
1.8 KiB
JavaScript
import { toFaDigits } from '@/utils/persian'
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import { toJalaali } from '@/utils/date-utils'
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const WEEKDAY_NAMES = ['شنبه', 'یکشنبه', 'دوشنبه', 'سه شنبه', 'چهارشنبه', 'پنجشنبه', 'جمعه']
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const MONTH_NAMES = [
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'فروردین',
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'اردیبهشت',
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'خرداد',
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'تیر',
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'مرداد',
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'شهریور',
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'مهر',
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'آبان',
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'آذر',
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'دی',
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'بهمن',
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'اسفند',
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]
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const GREGORIAN_WEEKDAYS = ['Sat', 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri']
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const DAY_MS = 24 * 60 * 60 * 1000
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/**
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* Builds the current Jalaali week (Saturday → Friday) anchored to the Asia/Tehran
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* timezone, independent of the viewer's local clock. The day matching Tehran's
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* "today" is flagged `selected`. Returns `{ month, days }` for DashboardCalendar.
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*/
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export const useTehranCalendar = () => {
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const parts = new Intl.DateTimeFormat('en-US', {
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timeZone: 'Asia/Tehran',
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year: 'numeric',
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month: 'numeric',
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day: 'numeric',
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weekday: 'short',
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}).formatToParts(new Date())
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const part = (type) => parts.find((p) => p.type === type)?.value
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const todayIndex = GREGORIAN_WEEKDAYS.indexOf(part('weekday'))
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const todayUtc = Date.UTC(Number(part('year')), Number(part('month')) - 1, Number(part('day')))
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const weekStartUtc = todayUtc - todayIndex * DAY_MS
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const today = new Date(todayUtc)
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const { jm } = toJalaali(today.getUTCFullYear(), today.getUTCMonth() + 1, today.getUTCDate())
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const days = WEEKDAY_NAMES.map((weekday, i) => {
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const date = new Date(weekStartUtc + i * DAY_MS)
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const { jd } = toJalaali(date.getUTCFullYear(), date.getUTCMonth() + 1, date.getUTCDate())
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return { weekday, day: toFaDigits(jd), selected: i === todayIndex }
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})
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return { month: `${MONTH_NAMES[jm - 1]} ماه`, days }
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}
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