shared/core-utils/miscs/miscs.ts

   1 function randomInt (low: number, high: number) {
   2   return Math.floor(Math.random() * (high - low) + low)
   3 }
   4
   5 // Thanks https://stackoverflow.com/a/16187766
   6 function compareSemVer (a: string, b: string) {
   7   const regExStrip0 = /(\.0+)+$/
   8   const segmentsA = a.replace(regExStrip0, '').split('.')
   9   const segmentsB = b.replace(regExStrip0, '').split('.')
  10
  11   const l = Math.min(segmentsA.length, segmentsB.length)
  12
  13   for (let i = 0; i < l; i++) {
  14     const diff = parseInt(segmentsA[i], 10) - parseInt(segmentsB[i], 10)
  15
  16     if (diff) return diff
  17   }
  18
  19   return segmentsA.length - segmentsB.length
  20 }
  21
  22 function isPromise (value: any) {
  23   return value && typeof value.then === 'function'
  24 }
  25
  26 function isCatchable (value: any) {
  27   return value && typeof value.catch === 'function'
  28 }
  29
  30 export {
  31   randomInt,
  32   compareSemVer,
  33   isPromise,
  34   isCatchable
  35 }