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useKeyedState() — react Function Reference

Architecture documentation for the useKeyedState() function in error.invalid-setState-in-useMemo-indirect-useCallback.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  2d0e3f50_1791_4725_dd45_af82ead5ca9d["useKeyedState()"]
  a4ae4a77_80f9_34ba_2f2e_ab20b68c551f["error.invalid-setState-in-useMemo-indirect-useCallback.js"]
  2d0e3f50_1791_4725_dd45_af82ead5ca9d -->|defined in| a4ae4a77_80f9_34ba_2f2e_ab20b68c551f
  style 2d0e3f50_1791_4725_dd45_af82ead5ca9d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.invalid-setState-in-useMemo-indirect-useCallback.js lines 3–17

function useKeyedState({key, init}) {
  const [prevKey, setPrevKey] = useState(key);
  const [state, setState] = useState(init);

  const fn = useCallback(() => {
    setPrevKey(key);
    setState(init);
  });

  useMemo(() => {
    fn();
  }, [key, init]);

  return state;
}

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Defined In

Source

Frequently Asked Questions

What does useKeyedState() do?
useKeyedState() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.invalid-setState-in-useMemo-indirect-useCallback.js.
Where is useKeyedState() defined?
useKeyedState() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.invalid-setState-in-useMemo-indirect-useCallback.js at line 3.

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