Function assertTriggerRef

packages/reactivity/__tests__/ref.spec.ts:392–402

(key: unknown)

  test('triggerRef on toRef created from array coerces property keys', () => {
    const assertTriggerRef = (key: unknown) => {
      const array = reactive(['a'])
      const first = toRef(array as any, key as any)
      const fn = vi.fn()

      effect(() => fn(first.value))
      expect(fn).toHaveBeenCalledTimes(1)

      triggerRef(first)
      expect(fn).toHaveBeenCalledTimes(2)
    }

    assertTriggerRef(0)
    // JS coerces non-symbol property keys like [0] to the string "0".