array-sort-add-new-in-head.ts

const added = [ 5, 6, 4 ]

const ar = [
  { id: 6, name: 'zzz' },
  { id: 1, name: 'aaa' },
  { id: 2, name: 'ccc' },
  { id: 5, name: 'yyy' },
  { id: 3, name: 'bbb' },
  { id: 4, name: 'xxx' },
]

const sorter = (a,b) => {
  const i1 = added.indexOf(a.id)
  const i2 = added.indexOf(b.id)
  
  if (i1 > -1 && i2 > -1) {
    return i2 - i1
  }
  if (i1 > -1) {
    return -1
  }
  if (i2 > -1) {
    return 1
  }
  return a.name.localeCompare(b.name)
}

console.log(ar.sort(sorter))

sample output