client/src/app/helpers/utils/date.ts

   1 import { DatePipe } from '@angular/common'
   2
   3 let datePipe: DatePipe
   4 let intl: Intl.DateTimeFormat
   5
   6 type DateFormat = 'medium' | 'precise'
   7
   8 function dateToHuman (localeId: string, date: Date, format: 'medium' | 'precise' = 'medium') {
   9   if (!datePipe) {
  10     datePipe = new DatePipe(localeId)
  11   }
  12
  13   if (!intl) {
  14     intl = new Intl.DateTimeFormat(localeId, {
  15       hour: 'numeric',
  16       minute: 'numeric',
  17       second: 'numeric',
  18       year: '2-digit',
  19       month: 'numeric',
  20       day: 'numeric',
  21       fractionalSecondDigits: 3
  22     })
  23   }
  24
  25   if (format === 'medium') return datePipe.transform(date, format)
  26   if (format === 'precise') return intl.format(date)
  27 }
  28
  29 function durationToString (duration: number) {
  30   const hours = Math.floor(duration / 3600)
  31   const minutes = Math.floor((duration % 3600) / 60)
  32   const seconds = duration % 60
  33
  34   const minutesPadding = minutes >= 10 ? '' : '0'
  35   const secondsPadding = seconds >= 10 ? '' : '0'
  36   const displayedHours = hours > 0 ? hours.toString() + ':' : ''
  37
  38   return (
  39     displayedHours + minutesPadding + minutes.toString() + ':' + secondsPadding + seconds.toString()
  40   ).replace(/^0/, '')
  41 }
  42
  43 export {
  44   DateFormat,
  45
  46   durationToString,
  47   dateToHuman
  48 }