shared/core-utils/miscs/date.ts

   1 function isToday (d: Date) {
   2   const today = new Date()
   3
   4   return areDatesEqual(d, today)
   5 }
   6
   7 function isYesterday (d: Date) {
   8   const yesterday = new Date()
   9   yesterday.setDate(yesterday.getDate() - 1)
  10
  11   return areDatesEqual(d, yesterday)
  12 }
  13
  14 function isThisWeek (d: Date) {
  15   const minDateOfThisWeek = new Date()
  16   minDateOfThisWeek.setHours(0, 0, 0)
  17
  18   // getDay() -> Sunday - Saturday : 0 - 6
  19   // We want to start our week on Monday
  20   let dayOfWeek = minDateOfThisWeek.getDay() - 1
  21   if (dayOfWeek < 0) dayOfWeek = 6 // Sunday
  22
  23   minDateOfThisWeek.setDate(minDateOfThisWeek.getDate() - dayOfWeek)
  24
  25   return d >= minDateOfThisWeek
  26 }
  27
  28 function isThisMonth (d: Date) {
  29   const thisMonth = new Date().getMonth()
  30
  31   return d.getMonth() === thisMonth
  32 }
  33
  34 function isLastMonth (d: Date) {
  35   const now = new Date()
  36
  37   return getDaysDifferences(now, d) <= 30
  38 }
  39
  40 function isLastWeek (d: Date) {
  41   const now = new Date()
  42
  43   return getDaysDifferences(now, d) <= 7
  44 }
  45
  46 // ---------------------------------------------------------------------------
  47
  48 export {
  49   isYesterday,
  50   isThisWeek,
  51   isThisMonth,
  52   isToday,
  53   isLastMonth,
  54   isLastWeek
  55 }
  56
  57 // ---------------------------------------------------------------------------
  58
  59 function areDatesEqual (d1: Date, d2: Date) {
  60   return d1.getFullYear() === d2.getFullYear() &&
  61     d1.getMonth() === d2.getMonth() &&
  62     d1.getDate() === d2.getDate()
  63 }
  64
  65 function getDaysDifferences (d1: Date, d2: Date) {
  66   return (d1.getTime() - d2.getTime()) / (86400000)
  67 }