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useHook() — react Function Reference

Architecture documentation for the useHook() function in repro-memoize-for-of-collection-when-loop-body-returns.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  5b9921e1_47a6_0ee5_037d_1fd0db01bfac["useHook()"]
  42937727_f7a4_0b9b_0011_39b374a463db["repro-memoize-for-of-collection-when-loop-body-returns.js"]
  5b9921e1_47a6_0ee5_037d_1fd0db01bfac -->|defined in| 42937727_f7a4_0b9b_0011_39b374a463db
  style 5b9921e1_47a6_0ee5_037d_1fd0db01bfac fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-memoize-for-of-collection-when-loop-body-returns.js lines 1–11

function useHook(nodeID, condition) {
  const graph = useContext(GraphContext);
  const node = nodeID != null ? graph[nodeID] : null;

  for (const key of Object.keys(node?.fields ?? {})) {
    if (condition) {
      return new Class(node.fields?.[field]);
    }
  }
  return new Class();
}

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does useHook() do?
useHook() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-memoize-for-of-collection-when-loop-body-returns.js.
Where is useHook() defined?
useHook() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-memoize-for-of-collection-when-loop-body-returns.js at line 1.

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