Initial commit

shared/utils/date.ts

@@ -0,0 +1,159 @@
+export const pad2 = (n: number) => String(n).padStart(2, '0')
+
+export const pad3 = (n: number) => String(n).padStart(3, '0')
+
+export const formatTimestamp = (d: Date) => {
+  const yyyy = d.getFullYear()
+  const mm = pad2(d.getMonth() + 1)
+  const dd = pad2(d.getDate())
+  const hh = pad2(d.getHours())
+  const mi = pad2(d.getMinutes())
+  const ss = pad2(d.getSeconds())
+  const ms = pad3(d.getMilliseconds())
+  return `${yyyy}${mm}${dd}_${hh}${mi}${ss}_${ms}`
+}
+
+export const formatDate = (date: Date) => {
+  const yyyy = date.getFullYear()
+  const mm = pad2(date.getMonth() + 1)
+  const dd = pad2(date.getDate())
+  return `${yyyy}-${mm}-${dd}`
+}
+
+export const formatTime = (date: Date) => {
+  const hh = pad2(date.getHours())
+  const mm = pad2(date.getMinutes())
+  const ss = pad2(date.getSeconds())
+  return `${hh}:${mm}:${ss}`
+}
+
+export const formatDateTime = (date: Date) => {
+  return `${formatDate(date)} ${formatTime(date)}`
+}
+
+export const getTodayDate = (): string => {
+  return formatDate(new Date())
+}
+
+export const getTomorrowDate = (): string => {
+  const tomorrow = new Date()
+  tomorrow.setDate(tomorrow.getDate() + 1)
+  return formatDate(tomorrow)
+}
+
+export const formatDateDisplay = (dateStr: string): string => {
+  const today = getTodayDate()
+  const tomorrow = getTomorrowDate()
+  if (dateStr === today) return '今天'
+  if (dateStr === tomorrow) return '明天'
+  const [year, month, day] = dateStr.split('-')
+  const currentYear = new Date().getFullYear()
+  if (parseInt(year) === currentYear) {
+    return `${parseInt(month)}月${parseInt(day)}日`
+  }
+  return `${year}年${parseInt(month)}月${parseInt(day)}日`
+}
+
+export const formatDuration = (ms: number): string => {
+  const seconds = Math.floor(ms / 1000)
+  const minutes = Math.floor(seconds / 60)
+  const hours = Math.floor(minutes / 60)
+
+  if (hours > 0) {
+    const remainingMinutes = minutes % 60
+    return `${hours}小时${remainingMinutes > 0 ? `${remainingMinutes}分钟` : ''}`
+  }
+  if (minutes > 0) {
+    return `${minutes}分钟`
+  }
+  return `${seconds}秒`
+}
+
+export const formatDurationShort = (ms: number): string => {
+  const seconds = Math.floor(ms / 1000)
+  const minutes = Math.floor(seconds / 60)
+  const hours = Math.floor(minutes / 60)
+
+  if (hours > 0) {
+    const remainingMinutes = minutes % 60
+    return remainingMinutes > 0 ? `${hours}h${remainingMinutes}m` : `${hours}h`
+  }
+  if (minutes > 0) {
+    return `${minutes}m`
+  }
+  return `${seconds}s`
+}
+
+export const getWeekStart = (date: Date): Date => {
+  const d = new Date(date)
+  const day = d.getDay()
+  const diff = d.getDate() - day + (day === 0 ? -6 : 1)
+  d.setDate(diff)
+  d.setHours(0, 0, 0, 0)
+  return d
+}
+
+export const getWeekEnd = (date: Date): Date => {
+  const weekStart = getWeekStart(date)
+  const weekEnd = new Date(weekStart)
+  weekEnd.setDate(weekStart.getDate() + 6)
+  return weekEnd
+}
+
+export const getMonthStart = (date: Date): Date => {
+  return new Date(date.getFullYear(), date.getMonth(), 1)
+}
+
+export const getMonthEnd = (date: Date): Date => {
+  return new Date(date.getFullYear(), date.getMonth() + 1, 0)
+}
+
+export const getYearStart = (date: Date): Date => {
+  return new Date(date.getFullYear(), 0, 1)
+}
+
+export const getYearEnd = (date: Date): Date => {
+  return new Date(date.getFullYear(), 11, 31)
+}
+
+export const isSameDay = (date1: Date, date2: Date): boolean => {
+  return formatDate(date1) === formatDate(date2)
+}
+
+export const isToday = (date: Date): boolean => {
+  return isSameDay(date, new Date())
+}
+
+export const addDays = (date: Date, days: number): Date => {
+  const result = new Date(date)
+  result.setDate(result.getDate() + days)
+  return result
+}
+
+export const addMonths = (date: Date, months: number): Date => {
+  const result = new Date(date)
+  result.setMonth(result.getMonth() + months)
+  return result
+}
+
+export const addYears = (date: Date, years: number): Date => {
+  const result = new Date(date)
+  result.setFullYear(result.getFullYear() + years)
+  return result
+}
+
+export const parseDate = (dateStr: string): Date | null => {
+  const match = dateStr.match(/^(\d{4})-(\d{2})-(\d{2})$/)
+  if (!match) return null
+  const [, year, month, day] = match
+  return new Date(parseInt(year), parseInt(month) - 1, parseInt(day))
+}
+
+export const getDaysInMonth = (year: number, month: number): number => {
+  return new Date(year, month, 0).getDate()
+}
+
+export const getDayOfWeek = (date: Date): string => {
+  const days = ['周日', '周一', '周二', '周三', '周四', '周五', '周六']
+  return days[date.getDay()]
+}