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useFoo() — react Function Reference

Architecture documentation for the useFoo() function in preserve-use-memo-unused-state.js from the react codebase.

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Entity Profile

Dependency Diagram

graph TD
  5dd5938b_21ff_71ad_8bab_68a3a0ac6a23["useFoo()"]
  655a1192_970c_c585_e387_319d5b19035e["preserve-use-memo-unused-state.js"]
  5dd5938b_21ff_71ad_8bab_68a3a0ac6a23 -->|defined in| 655a1192_970c_c585_e387_319d5b19035e
  style 5dd5938b_21ff_71ad_8bab_68a3a0ac6a23 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/preserve-use-memo-unused-state.js lines 4–10

function useFoo() {
  const [, /* state value intentionally not captured */ setState] = useState();

  return useCallback(() => {
    setState(x => x + 1);
  }, []);
}

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does useFoo() do?
useFoo() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/preserve-use-memo-unused-state.js.
Where is useFoo() defined?
useFoo() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/preserve-use-memo-unused-state.js at line 4.

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