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useFoo() — react Function Reference

Architecture documentation for the useFoo() function in error.preserve-use-memo-ref-missing-reactive.ts from the react codebase.

Function typescript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  3218255b_e9b8_2d63_583f_6435f249058d["useFoo()"]
  29e26586_9cd1_67d0_e572_075ffef075bc["error.preserve-use-memo-ref-missing-reactive.ts"]
  3218255b_e9b8_2d63_583f_6435f249058d -->|defined in| 29e26586_9cd1_67d0_e572_075ffef075bc
  style 3218255b_e9b8_2d63_583f_6435f249058d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/preserve-memo-validation/error.preserve-use-memo-ref-missing-reactive.ts lines 4–14

function useFoo({cond}) {
  const ref1 = useRef<undefined | (() => undefined)>();
  const ref2 = useRef<undefined | (() => undefined)>();
  const ref = cond ? ref1 : ref2;

  return useCallback(() => {
    if (ref != null) {
      ref.current();
    }
  }, []);
}

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-memo-validation/error.preserve-use-memo-ref-missing-reactive.ts.
Where is useFoo() defined?
useFoo() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/preserve-memo-validation/error.preserve-use-memo-ref-missing-reactive.ts at line 4.

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