shared/core-utils/common/array.ts

   1 function findCommonElement <T> (array1: T[], array2: T[]) {
   2   for (const a of array1) {
   3     for (const b of array2) {
   4       if (a === b) return a
   5     }
   6   }
   7
   8   return null
   9 }
  10
  11 // Avoid conflict with other toArray() functions
  12 function arrayify <T> (element: T | T[]) {
  13   if (Array.isArray(element)) return element
  14
  15   return [ element ]
  16 }
  17
  18 // Avoid conflict with other uniq() functions
  19 function uniqify <T> (elements: T[]) {
  20   return Array.from(new Set(elements))
  21 }
  22
  23 export {
  24   uniqify,
  25   findCommonElement,
  26   arrayify
  27 }