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useFoo() — react Function Reference

Architecture documentation for the useFoo() function in error.invalid-return-mutable-function-from-hook.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  59da9529_c50b_7d1a_9810_61c43033262b["useFoo()"]
  e1058442_7678_e8bc_2a10_477e5714b53e["error.invalid-return-mutable-function-from-hook.js"]
  59da9529_c50b_7d1a_9810_61c43033262b -->|defined in| e1058442_7678_e8bc_2a10_477e5714b53e
  style 59da9529_c50b_7d1a_9810_61c43033262b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.invalid-return-mutable-function-from-hook.js lines 4–10

function useFoo() {
  useHook(); // for inference to kick in
  const cache = new Map();
  return () => {
    cache.set('key', 'value');
  };
}

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/error.invalid-return-mutable-function-from-hook.js.
Where is useFoo() defined?
useFoo() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.invalid-return-mutable-function-from-hook.js at line 4.

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