Function map

packages/reactivity/src/arrayInstrumentations.ts:152–157

(
    fn: (item: unknown, index: number, array: unknown[]) => unknown,
    thisArg?: unknown,
  )

  },

  map(
    fn: (item: unknown, index: number, array: unknown[]) => unknown,
    thisArg?: unknown,
  ) {
    return apply(this, 'map', fn, thisArg, undefined, arguments)
  },

  pop() {
    return noTracking(this, 'pop')