date-fns/src/types.ts


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import { Locale } from './locale/types'

export type Day = 0 | 1 | 2 | 3 | 4 | 5 | 6

export interface Duration {
  years?: number
  months?: number
  weeks?: number
  days?: number
  hours?: number
  minutes?: number
  seconds?: number
}

export interface Interval {
  start: Date | number
  end: Date | number
}

export interface StepOptions {
  step?: number
}

export interface WeekStartOptions {
  weekStartsOn?: Day
}

export interface LocaleOptions {
  locale?: Locale
}

export type FirstWeekContainsDate = 1 | 4

export interface FirstWeekContainsDateOptions {
  firstWeekContainsDate?: FirstWeekContainsDate
}

export interface DateValues {
  year?: number
  month?: number
  date?: number
  hours?: number
  minutes?: number
  seconds?: number
  milliseconds?: number
}

export type Unit = 'second'
  | 'minute'
  | 'hour'
  | 'day'
  | 'month'
  | 'year';