123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156
/// <reference types="react/canary" />
import ReactExports, { StrictMode, Suspense } from 'react'import { fireEvent, render, waitFor } from '@testing-library/react'import { it } from 'vitest'import { proxy, useSnapshot } from 'valtio'
const sleep = (ms: number) =>  new Promise((resolve) => {    setTimeout(resolve, ms)  })
const { use } = ReactExportsconst use2 = <T,>(x: T): Awaited<T> => (x instanceof Promise ? use(x) : x)
it.skipIf(typeof use === 'undefined')('delayed increment', async () => {  const state = proxy<any>({ count: 0 })  const delayedIncrement = () => {    const nextCount = state.count + 1    state.count = sleep(300).then(() => nextCount)  }
  const Counter = () => {    const snap = useSnapshot(state)    return (      <>        <div>count: {use2(snap.count)}</div>        <button onClick={delayedIncrement}>button</button>      </>    )  }
  const { getByText, findByText } = render(    <StrictMode>      <Suspense fallback="loading">        <Counter />      </Suspense>    </StrictMode>,  )
  await findByText('count: 0')
  fireEvent.click(getByText('button'))  await findByText('loading')  await findByText('count: 1')})
it.skipIf(typeof use === 'undefined')('delayed object', async () => {  const state = proxy<any>({ object: { text: 'none' } })  const delayedObject = () => {    state.object = sleep(300).then(() => ({ text: 'hello' }))  }
  const Counter = () => {    const snap = useSnapshot(state)    return (      <>        <div>text: {use2(snap.object).text}</div>        <button onClick={delayedObject}>button</button>      </>    )  }
  const { getByText, findByText } = render(    <StrictMode>      <Suspense fallback="loading">        <Counter />      </Suspense>    </StrictMode>,  )
  await findByText('text: none')
  fireEvent.click(getByText('button'))  await findByText('loading')  await findByText('text: hello')})
it.skipIf(typeof use === 'undefined')(  'delayed object update fulfilled',  async () => {    const state = proxy<any>({      object: sleep(300).then(() => ({ text: 'counter', count: 0 })),    })    const updateObject = () => {      state.object = state.object.then((v: any) =>        sleep(300).then(() => ({ ...v, count: v.count + 1 })),      )    }
    const Counter = () => {      const snap = useSnapshot(state)      return (        <>          <div>text: {use2(snap.object).text}</div>          <div>count: {use2(snap.object).count}</div>          <button onClick={updateObject}>button</button>        </>      )    }
    const { getByText, findByText } = render(      <StrictMode>        <Suspense fallback="loading">          <Counter />        </Suspense>      </StrictMode>,    )
    await findByText('loading')    await waitFor(() => {      getByText('text: counter')      getByText('count: 0')    })
    fireEvent.click(getByText('button'))
    await findByText('loading')    await waitFor(() => {      getByText('text: counter')      getByText('count: 1')    })  },)
it.skipIf(typeof use === 'undefined')('delayed falsy value', async () => {  const state = proxy<any>({ value: true })  const delayedValue = () => {    state.value = sleep(300).then(() => null)  }
  const Counter = () => {    const snap = useSnapshot(state)    return (      <>        <div>value: {String(use2(snap.value))}</div>        <button onClick={delayedValue}>button</button>      </>    )  }
  const { getByText, findByText } = render(    <StrictMode>      <Suspense fallback="loading">        <Counter />      </Suspense>    </StrictMode>,  )
  await findByText('value: true')
  fireEvent.click(getByText('button'))  await findByText('loading')  await findByText('value: null')})