Function findLastIndex

packages/reactivity/src/arrayInstrumentations.ts:118–123

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

  },

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

  // flat, flatMap could benefit from ARRAY_ITERATE but are not straight-forward to implement