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b4cdd3e892
This exposes, but does not yet implement, a new experimental API called
useFormState. It's gated behind the enableAsyncActions flag.
useFormState has a similar signature to useReducer, except instead of a
reducer it accepts an (async) action function. React will wait until the
promise resolves before updating the state:
```js
async function action(prevState, payload) {
// ..
}
const [state, dispatch] = useFormState(action, initialState)
```
When used in combination with Server Actions, it will also support
progressive enhancement — a form that is submitted before it has
hydrated will have its state transferred to the next page. However, like
the other action-related hooks, it works with fully client-driven
actions, too.
29 lines
737 B
JavaScript
29 lines
737 B
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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*/
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// Export all exports so that they're available in tests.
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// We can't use export * from in Flow for some reason.
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import ReactVersion from 'shared/ReactVersion';
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export {ReactVersion as version};
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export {default as __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED} from './src/ReactDOMSharedInternals';
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export {
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createPortal,
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flushSync,
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prefetchDNS,
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preconnect,
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preload,
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preinit,
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experimental_useFormStatus,
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experimental_useFormState,
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unstable_batchedUpdates,
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} from './src/server/ReactDOMServerRenderingStub';
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