| 1 | const minute = 60
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| 2 | const hour = minute * 60
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| 3 | const day = hour * 24
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| 4 | const week = day * 7
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| 5 | const year = day * 365.25
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| 6 |
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| 7 | const REGEX = /^(\d+|\d+\.\d+) ?(seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)$/i
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| 8 |
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| 9 | module.exports = (str) => {
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| 10 | const matched = REGEX.exec(str)
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| 11 |
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| 12 | if (!matched) {
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| 13 | throw new TypeError(`invalid time period format ("${str}")`)
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| 14 | }
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| 15 |
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| 16 | const value = parseFloat(matched[1])
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| 17 | const unit = matched[2].toLowerCase()
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| 18 |
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| 19 | switch (unit) {
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| 20 | case 'sec':
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| 21 | case 'secs':
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| 22 | case 'second':
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| 23 | case 'seconds':
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| 24 | case 's':
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| 25 | return Math.round(value)
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| 26 | case 'minute':
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| 27 | case 'minutes':
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| 28 | case 'min':
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| 29 | case 'mins':
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| 30 | case 'm':
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| 31 | return Math.round(value * minute)
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| 32 | case 'hour':
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| 33 | case 'hours':
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| 34 | case 'hr':
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| 35 | case 'hrs':
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| 36 | case 'h':
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| 37 | return Math.round(value * hour)
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| 38 | case 'day':
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| 39 | case 'days':
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| 40 | case 'd':
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| 41 | return Math.round(value * day)
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| 42 | case 'week':
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| 43 | case 'weeks':
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| 44 | case 'w':
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| 45 | return Math.round(value * week)
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| 46 | case 'year':
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| 47 | case 'years':
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| 48 | case 'yr':
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| 49 | case 'yrs':
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| 50 | case 'y':
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| 51 | return Math.round(value * year)
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| 52 | }
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| 53 | }
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