Function lastPromiseFn

Get the last result of a promise function

Returns

last called result

  it('should lastPromiseFn works', async() => {
     const fn = vi.fn((num: number) => Promise.resolve(num))
     const lastFn = lastPromiseFn(fn)
     const ret1 = lastFn(1)
     const ret2 = lastFn(2)
     const ret3 = lastFn(3)
     expect(fn).toBeCalledTimes(3)
     expect(ret1).resolves.toEqual(3)
     expect(ret2).resolves.toEqual(3)
     expect(ret3).resolves.toEqual(3)
   })