60 行
1.6 KiB
JavaScript
60 行
1.6 KiB
JavaScript
export const SECOND = 1000
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export const MINUTE = 60 * SECOND
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export const HOUR = 60 * MINUTE
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export const DAY = 24 * HOUR
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export const WEEK = 7 * DAY
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export const MONTH = 30 * DAY
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export const YEAR = 365.25 * DAY
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export const relativeTime = (date, nowThreshold = 1) => {
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if (typeof date === 'string') date = Date.parse(date)
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const round = Date.now() > date ? Math.floor : Math.ceil
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const d = Math.abs(Date.now() - date)
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const r = { num: round(d / YEAR), key: 'time.unit.years' }
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if (d < nowThreshold * SECOND) {
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r.num = 0
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r.key = 'time.now'
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} else if (d < MINUTE) {
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r.num = round(d / SECOND)
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r.key = 'time.unit.seconds'
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} else if (d < HOUR) {
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r.num = round(d / MINUTE)
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r.key = 'time.unit.minutes'
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} else if (d < DAY) {
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r.num = round(d / HOUR)
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r.key = 'time.unit.hours'
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} else if (d < WEEK) {
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r.num = round(d / DAY)
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r.key = 'time.unit.days'
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} else if (d < MONTH) {
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r.num = round(d / WEEK)
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r.key = 'time.unit.weeks'
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} else if (d < YEAR) {
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r.num = round(d / MONTH)
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r.key = 'time.unit.months'
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}
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return r
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}
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export const relativeTimeShort = (date, nowThreshold = 1) => {
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const r = relativeTime(date, nowThreshold)
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r.key += '_short'
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return r
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}
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export const unitToSeconds = (unit, amount) => {
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switch (unit) {
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case 'minutes': return 0.001 * amount * MINUTE
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case 'hours': return 0.001 * amount * HOUR
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case 'days': return 0.001 * amount * DAY
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}
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}
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export const secondsToUnit = (unit, amount) => {
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switch (unit) {
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case 'minutes': return (1000 * amount) / MINUTE
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case 'hours': return (1000 * amount) / HOUR
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case 'days': return (1000 * amount) / DAY
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}
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}
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