"use strict"; exports.secondsInYear = exports.secondsInWeek = exports.secondsInQuarter = exports.secondsInMonth = exports.secondsInMinute = exports.secondsInHour = exports.secondsInDay = exports.quartersInYear = exports.monthsInYear = exports.monthsInQuarter = exports.minutesInYear = exports.minutesInMonth = exports.minutesInHour = exports.minutesInDay = exports.minTime = exports.millisecondsInWeek = exports.millisecondsInSecond = exports.millisecondsInMinute = exports.millisecondsInHour = exports.millisecondsInDay = exports.maxTime = exports.daysInYear = exports.daysInWeek = exports.constructFromSymbol = void 0; /** * @module constants * @summary Useful constants * @description * Collection of useful date constants. * * The constants could be imported from `date-fns/constants`: * * ```ts * import { maxTime, minTime } from "date-fns/constants"; * * function isAllowedTime(time) { * return time <= maxTime && time >= minTime; * } * ``` */ /** * @constant * @name daysInWeek * @summary Days in 1 week. */ const daysInWeek = (exports.daysInWeek = 7); /** * @constant * @name daysInYear * @summary Days in 1 year. * * @description * How many days in a year. * * One years equals 365.2425 days according to the formula: * * > Leap year occurs every 4 years, except for years that are divisible by 100 and not divisible by 400. * > 1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days */ const daysInYear = (exports.daysInYear = 365.2425); /** * @constant * @name maxTime * @summary Maximum allowed time. * * @example * import { maxTime } from "date-fns/constants"; * * const isValid = 8640000000000001 <= maxTime; * //=> false * * new Date(8640000000000001); * //=> Invalid Date */ const maxTime = (exports.maxTime = Math.pow(10, 8) * 24 * 60 * 60 * 1000); /** * @constant * @name minTime * @summary Minimum allowed time. * * @example * import { minTime } from "date-fns/constants"; * * const isValid = -8640000000000001 >= minTime; * //=> false * * new Date(-8640000000000001) * //=> Invalid Date */ const minTime = (exports.minTime = -maxTime); /** * @constant * @name millisecondsInWeek * @summary Milliseconds in 1 week. */ const millisecondsInWeek = (exports.millisecondsInWeek = 604800000); /** * @constant * @name millisecondsInDay * @summary Milliseconds in 1 day. */ const millisecondsInDay = (exports.millisecondsInDay = 86400000); /** * @constant * @name millisecondsInMinute * @summary Milliseconds in 1 minute */ const millisecondsInMinute = (exports.millisecondsInMinute = 60000); /** * @constant * @name millisecondsInHour * @summary Milliseconds in 1 hour */ const millisecondsInHour = (exports.millisecondsInHour = 3600000); /** * @constant * @name millisecondsInSecond * @summary Milliseconds in 1 second */ const millisecondsInSecond = (exports.millisecondsInSecond = 1000); /** * @constant * @name minutesInYear * @summary Minutes in 1 year. */ const minutesInYear = (exports.minutesInYear = 525600); /** * @constant * @name minutesInMonth * @summary Minutes in 1 month. */ const minutesInMonth = (exports.minutesInMonth = 43200); /** * @constant * @name minutesInDay * @summary Minutes in 1 day. */ const minutesInDay = (exports.minutesInDay = 1440); /** * @constant * @name minutesInHour * @summary Minutes in 1 hour. */ const minutesInHour = (exports.minutesInHour = 60); /** * @constant * @name monthsInQuarter * @summary Months in 1 quarter. */ const monthsInQuarter = (exports.monthsInQuarter = 3); /** * @constant * @name monthsInYear * @summary Months in 1 year. */ const monthsInYear = (exports.monthsInYear = 12); /** * @constant * @name quartersInYear * @summary Quarters in 1 year */ const quartersInYear = (exports.quartersInYear = 4); /** * @constant * @name secondsInHour * @summary Seconds in 1 hour. */ const secondsInHour = (exports.secondsInHour = 3600); /** * @constant * @name secondsInMinute * @summary Seconds in 1 minute. */ const secondsInMinute = (exports.secondsInMinute = 60); /** * @constant * @name secondsInDay * @summary Seconds in 1 day. */ const secondsInDay = (exports.secondsInDay = secondsInHour * 24); /** * @constant * @name secondsInWeek * @summary Seconds in 1 week. */ const secondsInWeek = (exports.secondsInWeek = secondsInDay * 7); /** * @constant * @name secondsInYear * @summary Seconds in 1 year. */ const secondsInYear = (exports.secondsInYear = secondsInDay * daysInYear); /** * @constant * @name secondsInMonth * @summary Seconds in 1 month */ const secondsInMonth = (exports.secondsInMonth = secondsInYear / 12); /** * @constant * @name secondsInQuarter * @summary Seconds in 1 quarter. */ const secondsInQuarter = (exports.secondsInQuarter = secondsInMonth * 3); /** * @constant * @name constructFromSymbol * @summary Symbol enabling Date extensions to inherit properties from the reference date. * * The symbol is used to enable the `constructFrom` function to construct a date * using a reference date and a value. It allows to transfer extra properties * from the reference date to the new date. It's useful for extensions like * [`TZDate`](https://github.com/date-fns/tz) that accept a time zone as * a constructor argument. */ const constructFromSymbol = (exports.constructFromSymbol = Symbol.for("constructDateFrom"));