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/var/lang/lib/node_modules/npm/node_modules/tiny-relative-date/src
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factory.js2.7 KB · 113 lines
1const calculateDelta = (now, date) => Math.round(Math.abs(now - date) / 1000)2 3const minute = 604const hour = minute * 605const day = hour * 246const week = day * 77const month = day * 308const year = day * 3659 10export default function relativeDateFactory (translations) {11  const translate = (date, now, translatePhrase, timeValue, rawValue) => {12    let key13 14    if (translatePhrase === 'justNow') {15      key = translatePhrase16    } else if (now >= date) {17      key = `${translatePhrase}Ago`18    } else {19      key = `${translatePhrase}FromNow`20    }21 22    const translation = translations[key]23 24    if (typeof translation === 'function') {25      return translation(timeValue, rawValue)26    }27 28    return translation.replace('{{time}}', timeValue)29  }30 31  return function relativeDate (date, now = new Date()) {32    if (!(date instanceof Date)) {33      date = new Date(date)34    }35 36    let delta = calculateDelta(now, date)37 38    if (delta > day && delta < week) {39      date = new Date(40        date.getFullYear(),41        date.getMonth(),42        date.getDate(),43        0,44        0,45        046      )47      delta = calculateDelta(now, date)48    }49 50    switch (false) {51      case !(delta < 30):52        return translate(date, now, 'justNow', delta, delta)53 54      case !(delta < minute):55        return translate(date, now, 'seconds', delta, delta)56 57      case !(delta < 2 * minute):58        return translate(date, now, 'aMinute', 1, delta)59 60      case !(delta < hour):61        return translate(62          date,63          now,64          'minutes',65          Math.floor(delta / minute),66          delta67        )68 69      case Math.floor(delta / hour) !== 1:70        return translate(71          date,72          now,73          'anHour',74          Math.floor(delta / minute),75          delta76        )77 78      case !(delta < day):79        return translate(date, now, 'hours', Math.floor(delta / hour), delta)80 81      case !(delta < day * 2):82        return translate(date, now, 'aDay', 1, delta)83 84      case !(delta < week):85        return translate(date, now, 'days', Math.floor(delta / day), delta)86 87      case Math.floor(delta / week) !== 1:88        return translate(date, now, 'aWeek', 1, delta)89 90      case !(delta < month):91        return translate(date, now, 'weeks', Math.floor(delta / week), delta)92 93      case Math.floor(delta / month) !== 1:94        return translate(date, now, 'aMonth', 1, delta)95 96      case !(delta < year):97        return translate(date, now, 'months', Math.floor(delta / month), delta)98 99      case Math.floor(delta / year) !== 1:100        return translate(date, now, 'aYear', 1, delta)101 102      default:103        return translate(104          date,105          now,106          'overAYear',107          Math.floor(delta / year),108          delta109        )110    }111  }112}113