{"version":3,"file":"utils.js","sources":["../../../../../../packages/components/date-picker/src/utils.ts"],"sourcesContent":["import dayjs from 'dayjs'\nimport { isArray } from '@element-plus/utils'\nimport { rangeArr } from '@element-plus/components/time-picker'\n\nimport type { Dayjs } from 'dayjs'\nimport type { DateCell } from './date-picker.type'\nimport type { DisabledDateType } from './props/shared'\n\ntype DayRange = [Dayjs | undefined, Dayjs | undefined]\n\nexport const isValidRange = (range: DayRange): boolean => {\n  if (!isArray(range)) return false\n\n  const [left, right] = range\n\n  return (\n    dayjs.isDayjs(left) && dayjs.isDayjs(right) && left.isSameOrBefore(right)\n  )\n}\n\ntype GetDefaultValueParams = {\n  lang: string\n  unit: 'month' | 'year'\n  unlinkPanels: boolean\n}\n\nexport type DefaultValue = [Date, Date] | Date | undefined\n\nexport const getDefaultValue = (\n  defaultValue: DefaultValue,\n  { lang, unit, unlinkPanels }: GetDefaultValueParams\n) => {\n  let start: Dayjs\n\n  if (isArray(defaultValue)) {\n    let [left, right] = defaultValue.map((d) => dayjs(d).locale(lang))\n    if (!unlinkPanels) {\n      right = left.add(1, unit)\n    }\n    return [left, right]\n  } else if (defaultValue) {\n    start = dayjs(defaultValue)\n  } else {\n    start = dayjs()\n  }\n  start = start.locale(lang)\n  return [start, start.add(1, unit)]\n}\n\ntype Dimension = {\n  row: number\n  column: number\n}\n\ntype BuildPickerTableMetadata = {\n  startDate?: Dayjs | null\n  unit: 'month' | 'day'\n  columnIndexOffset: number\n  now: Dayjs\n  nextEndDate: Dayjs | null\n  relativeDateGetter: (index: number) => Dayjs\n  setCellMetadata?: (\n    cell: DateCell,\n    dimension: { rowIndex: number; columnIndex: number }\n  ) => void\n  setRowMetadata?: (row: DateCell[]) => void\n}\n\nexport const buildPickerTable = (\n  dimension: Dimension,\n  rows: DateCell[][],\n  {\n    columnIndexOffset,\n    startDate,\n    nextEndDate,\n    now,\n    unit,\n    relativeDateGetter,\n    setCellMetadata,\n    setRowMetadata,\n  }: BuildPickerTableMetadata\n) => {\n  for (let rowIndex = 0; rowIndex < dimension.row; rowIndex++) {\n    const row = rows[rowIndex]\n    for (let columnIndex = 0; columnIndex < dimension.column; columnIndex++) {\n      let cell = row[columnIndex + columnIndexOffset]\n      if (!cell) {\n        cell = {\n          row: rowIndex,\n          column: columnIndex,\n          type: 'normal',\n          inRange: false,\n          start: false,\n          end: false,\n        }\n      }\n      const index = rowIndex * dimension.column + columnIndex\n      const nextStartDate = relativeDateGetter(index)\n      cell.dayjs = nextStartDate\n      cell.date = nextStartDate.toDate()\n      cell.timestamp = nextStartDate.valueOf()\n      cell.type = 'normal'\n\n      cell.inRange =\n        !!(\n          startDate &&\n          nextStartDate.isSameOrAfter(startDate, unit) &&\n          nextEndDate &&\n          nextStartDate.isSameOrBefore(nextEndDate, unit)\n        ) ||\n        !!(\n          startDate &&\n          nextStartDate.isSameOrBefore(startDate, unit) &&\n          nextEndDate &&\n          nextStartDate.isSameOrAfter(nextEndDate, unit)\n        )\n\n      if (startDate?.isSameOrAfter(nextEndDate)) {\n        cell.start = !!nextEndDate && nextStartDate.isSame(nextEndDate, unit)\n        cell.end = startDate && nextStartDate.isSame(startDate, unit)\n      } else {\n        cell.start = !!startDate && nextStartDate.isSame(startDate, unit)\n        cell.end = !!nextEndDate && nextStartDate.isSame(nextEndDate, unit)\n      }\n\n      const isToday = nextStartDate.isSame(now, unit)\n\n      if (isToday) {\n        cell.type = 'today'\n      }\n      setCellMetadata?.(cell, { rowIndex, columnIndex })\n      row[columnIndex + columnIndexOffset] = cell\n    }\n    setRowMetadata?.(row)\n  }\n}\n\nexport const datesInMonth = (year: number, month: number, lang: string) => {\n  const firstDay = dayjs().locale(lang).startOf('month').month(month).year(year)\n  const numOfDays = firstDay.daysInMonth()\n  return rangeArr(numOfDays).map((n) => firstDay.add(n, 'day').toDate())\n}\n\nexport const getValidDateOfMonth = (\n  year: number,\n  month: number,\n  lang: string,\n  disabledDate?: DisabledDateType\n) => {\n  const _value = dayjs().year(year).month(month).startOf('month')\n  const _date = datesInMonth(year, month, lang).find((date) => {\n    return !disabledDate?.(date)\n  })\n  if (_date) {\n    return dayjs(_date).locale(lang)\n  }\n  return _value.locale(lang)\n}\n\nexport const getValidDateOfYear = (\n  value: Dayjs,\n  lang: string,\n  disabledDate?: DisabledDateType\n) => {\n  const year = value.year()\n  if (!disabledDate?.(value.toDate())) {\n    return value.locale(lang)\n  }\n  const month = value.month()\n  if (!datesInMonth(year, month, lang).every(disabledDate)) {\n    return getValidDateOfMonth(year, month, lang, disabledDate)\n  }\n  for (let i = 0; i < 12; i++) {\n    if (!datesInMonth(year, i, lang).every(disabledDate)) {\n      return getValidDateOfMonth(year, i, lang, disabledDate)\n    }\n  }\n  return 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