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useFoo() — react Function Reference

Architecture documentation for the useFoo() function in nonmutating-capture-in-unsplittable-memo-block.ts from the react codebase.

Function typescript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  955d34ca_19f1_4d8e_7e26_5a4c6ecf721a["useFoo()"]
  0fb5df59_9b7d_e2cc_8870_6f68221bc7d9["nonmutating-capture-in-unsplittable-memo-block.ts"]
  955d34ca_19f1_4d8e_7e26_5a4c6ecf721a -->|defined in| 0fb5df59_9b7d_e2cc_8870_6f68221bc7d9
  style 955d34ca_19f1_4d8e_7e26_5a4c6ecf721a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/nonmutating-capture-in-unsplittable-memo-block.ts lines 21–32

function useFoo({a, b}) {
  const x = {a};
  const y = {};
  mutate(x);
  const z = [identity(y), b];
  mutate(y);

  if (z[0] !== y) {
    throw new Error('oh no!');
  }
  return z;
}

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/nonmutating-capture-in-unsplittable-memo-block.ts.
Where is useFoo() defined?
useFoo() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/nonmutating-capture-in-unsplittable-memo-block.ts at line 21.

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