mlogclub
73 lines
2.1 KiB
TypeScript
73 lines
2.1 KiB
TypeScript
export function startOfDay(date: Date) {
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const ret = new Date(date)
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ret.setHours(0, 0, 0, 0)
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return ret
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}
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export function startOfWeek(date: Date) {
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const ret = startOfDay(date)
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const day = ret.getDay()
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const offset = day === 0 ? -6 : 1 - day
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ret.setDate(ret.getDate() + offset)
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return ret
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}
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export function isSameLocalDay(a: Date, b: Date) {
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return a.getFullYear() === b.getFullYear() && a.getMonth() === b.getMonth() && a.getDate() === b.getDate()
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}
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export function startOfMonth(date: Date) {
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const ret = startOfDay(date)
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ret.setDate(1)
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return ret
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}
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export function startOfMonthCalendar(date: Date) {
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return startOfWeek(startOfMonth(date))
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}
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export function endOfMonthCalendar(date: Date) {
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const monthEnd = startOfMonth(date)
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monthEnd.setMonth(monthEnd.getMonth() + 1)
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const ret = startOfWeek(monthEnd)
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if (ret.getTime() < monthEnd.getTime()) {
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ret.setDate(ret.getDate() + 7)
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}
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return ret
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}
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export function addDays(date: Date, days: number) {
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const ret = new Date(date)
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ret.setDate(ret.getDate() + days)
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return ret
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}
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export function addMonths(date: Date, months: number) {
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const ret = startOfMonth(date)
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ret.setMonth(ret.getMonth() + months)
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return ret
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}
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export function formatDateTimeValue(date: Date) {
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const month = String(date.getMonth() + 1).padStart(2, "0")
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const day = String(date.getDate()).padStart(2, "0")
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const hour = String(date.getHours()).padStart(2, "0")
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const minute = String(date.getMinutes()).padStart(2, "0")
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const second = String(date.getSeconds()).padStart(2, "0")
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return `${date.getFullYear()}-${month}-${day} ${hour}:${minute}:${second}`
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}
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export function formatMonthTitle(monthStart: Date) {
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return `${monthStart.getFullYear()}-${String(monthStart.getMonth() + 1).padStart(2, "0")}`
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}
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function formatDate(date: Date) {
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const month = String(date.getMonth() + 1).padStart(2, "0")
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const day = String(date.getDate()).padStart(2, "0")
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return `${date.getFullYear()}-${month}-${day}`
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}
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export function formatWeekTitle(weekStart: Date) {
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return `${formatDate(weekStart)} - ${formatDate(addDays(weekStart, 6))}`
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}
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