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useFoo() — react Function Reference

Architecture documentation for the useFoo() function in repro-aliased-capture-aliased-mutate.js from the react codebase.

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Entity Profile

Dependency Diagram

graph TD
  d75c1819_3ff7_57c9_8c15_408ac979a426["useFoo()"]
  bd77b8d6_9c6d_2816_1fe0_49fc6d1aa2d7["repro-aliased-capture-aliased-mutate.js"]
  d75c1819_3ff7_57c9_8c15_408ac979a426 -->|defined in| bd77b8d6_9c6d_2816_1fe0_49fc6d1aa2d7
  style d75c1819_3ff7_57c9_8c15_408ac979a426 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-aliased-capture-aliased-mutate.js lines 37–46

function useFoo({a, b}: {a: number, b: number}) {
  const x = [];
  const y = {value: a};

  arrayPush(x, y); // x and y co-mutate
  const y_alias = y;
  const cb = () => y_alias.value;
  setPropertyByKey(x[0], 'value', b); // might overwrite y.value
  return <Stringify cb={cb} shouldInvokeFns={true} />;
}

Domain

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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/repro-aliased-capture-aliased-mutate.js.
Where is useFoo() defined?
useFoo() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-aliased-capture-aliased-mutate.js at line 37.

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