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Component() — react Function Reference

Architecture documentation for the Component() function in useCallback-set-ref-nested-property-preserve-memoization.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  531522ef_670c_446a_2ad5_cb30ebb5d706["Component()"]
  4ed8e2ff_960f_3d53_959a_3e9affe21feb["useCallback-set-ref-nested-property-preserve-memoization.js"]
  531522ef_670c_446a_2ad5_cb30ebb5d706 -->|defined in| 4ed8e2ff_960f_3d53_959a_3e9affe21feb
  style 531522ef_670c_446a_2ad5_cb30ebb5d706 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/useCallback-set-ref-nested-property-preserve-memoization.js lines 4–14

function Component(props) {
  const ref = useRef({inner: null});

  const onChange = useCallback(event => {
    // The ref should still be mutable here even though function deps are frozen in
    // @enablePreserveExistingMemoizationGuarantees mode
    ref.current.inner = event.target.value;
  });

  return <input onChange={onChange} />;
}

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does Component() do?
Component() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/useCallback-set-ref-nested-property-preserve-memoization.js.
Where is Component() defined?
Component() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/useCallback-set-ref-nested-property-preserve-memoization.js at line 4.

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