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