forked from didirus/AstralRinth
115 lines
2.9 KiB
TypeScript
115 lines
2.9 KiB
TypeScript
/**
|
|
* Human readable elapsed or remaining time (example: 3 minutes ago)
|
|
* @author https://github.com/victornpb
|
|
* @see https://stackoverflow.com/a/67338038/938822
|
|
*/
|
|
export function ago(
|
|
/** A Date object, timestamp or string parsable with Date.parse() */
|
|
date: string | number | Date,
|
|
/** A Date object, timestamp or string parsable with Date.parse() */
|
|
nowDate: string | number | Date = Date.now(),
|
|
/** A Intl formater */
|
|
rft: Intl.RelativeTimeFormat = new Intl.RelativeTimeFormat(undefined, { numeric: 'auto' })
|
|
): string {
|
|
const SECOND = 1000
|
|
const MINUTE = 60 * SECOND
|
|
const HOUR = 60 * MINUTE
|
|
const DAY = 24 * HOUR
|
|
const WEEK = 7 * DAY
|
|
const MONTH = 30 * DAY
|
|
const YEAR = 365 * DAY
|
|
const intervals = [
|
|
{ ge: YEAR, divisor: YEAR, unit: 'year' },
|
|
{ ge: MONTH, divisor: MONTH, unit: 'month' },
|
|
{ ge: WEEK, divisor: WEEK, unit: 'week' },
|
|
{ ge: DAY, divisor: DAY, unit: 'day' },
|
|
{ ge: HOUR, divisor: HOUR, unit: 'hour' },
|
|
{ ge: MINUTE, divisor: MINUTE, unit: 'minute' },
|
|
{ ge: 30 * SECOND, divisor: SECOND, unit: 'seconds' },
|
|
{ ge: 0, divisor: 1, text: 'just now' },
|
|
]
|
|
const now = typeof nowDate === 'object' ? nowDate.getTime() : new Date(nowDate).getTime()
|
|
const diff = now - (typeof date === 'object' ? date : new Date(date)).getTime()
|
|
const diffAbs = Math.abs(diff)
|
|
for (const interval of intervals) {
|
|
if (diffAbs >= interval.ge) {
|
|
const x = Math.round(Math.abs(diff) / interval.divisor)
|
|
const isFuture = diff < 0
|
|
if (
|
|
typeof navigator !== 'undefined' &&
|
|
(navigator.language === 'zh-CN' || navigator.language === 'zh')
|
|
) {
|
|
return chs_format(x, isFuture, interval.unit as Unit)
|
|
}
|
|
return interval.unit ? rft.format(isFuture ? x : -x, interval.unit as Unit) : interval.text
|
|
}
|
|
}
|
|
}
|
|
|
|
type Unit =
|
|
| 'second'
|
|
| 'seconds'
|
|
| 'minute'
|
|
| 'minutes'
|
|
| 'hour'
|
|
| 'hours'
|
|
| 'day'
|
|
| 'days'
|
|
| 'week'
|
|
| 'weeks'
|
|
| 'month'
|
|
| 'months'
|
|
| 'year'
|
|
| 'years'
|
|
|
|
type ChsUnit = '秒' | '分' | '小时' | '天' | '周' | '月' | '年'
|
|
|
|
/**
|
|
* Convert unit to chinese unit
|
|
* @param unit
|
|
* @returns {ChsUnit}
|
|
*/
|
|
function convertUnitToChsUnit(unit: Unit): ChsUnit {
|
|
switch (unit) {
|
|
case 'second':
|
|
case 'seconds':
|
|
return '秒'
|
|
case 'minute':
|
|
case 'minutes':
|
|
return '分'
|
|
case 'hour':
|
|
case 'hours':
|
|
return '小时'
|
|
case 'day':
|
|
case 'days':
|
|
return '天'
|
|
case 'week':
|
|
case 'weeks':
|
|
return '周'
|
|
case 'month':
|
|
case 'months':
|
|
return '月'
|
|
case 'year':
|
|
case 'years':
|
|
return '年'
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The default converter provided by js does not conform to Chinese typography.
|
|
* @param value date value
|
|
* @param isFuture
|
|
* @param unit
|
|
* @returns {string}
|
|
*/
|
|
function chs_format(value: number, isFuture: boolean, unit: Unit): string {
|
|
const chsUnit = convertUnitToChsUnit(unit)
|
|
let quantifier = ''
|
|
switch (chsUnit) {
|
|
case '月':
|
|
case '小时':
|
|
quantifier = '个'
|
|
}
|
|
return `${value} ${quantifier}${chsUnit}${isFuture ? '后' : '前'}`
|
|
}
|