how to dynamic omit

[productdevbook]

import { omit } from 'filter-anything'

const obj1 = {
  a: 1,
  b: 2,
  c: 3,
}

const obj2 = {
  a: 2,
  c: 3,
  d: 4,
}
type CommonKeys = Extract<keyof typeof obj1, keyof typeof obj2> // 'a' | 'c'

const commonKeyss = Object.keys(obj1).filter(key => obj2.hasOwnProperty(key)) as CommonKeys[] // ['a', 'c']

const aa = omit(obj1, commonKeyss)
aa. // dont working dont a see only `b`