date-fns/startOfWeekYear/index.js.flow

Modern JavaScript date utility library

// @flow
// This file is generated automatically by `scripts/build/typings.js`. Please, don't change it.

type Interval = {
  start: Date | number,
  end: Date | number
}

type Locale = {
  formatDistance: Function,
  formatRelative: Function,
  localize: {
    ordinalNumber: Function,
    era: Function,
    quarter: Function,
    month: Function,
    day: Function,
    dayPeriod: Function
  },
  formatLong: Object,
  date: Function,
  time: Function,
  dateTime: Function,
  match: {
    ordinalNumber: Function,
    era: Function,
    quarter: Function,
    month: Function,
    day: Function,
    dayPeriod: Function
  },
  options?: {
    weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
    firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7
  }
}

declare module.exports: (
  date: Date | number,
  options?: {
    locale?: Locale,
    weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
    firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7
  }
) => Date