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Component() — react Function Reference

Architecture documentation for the Component() function in array-pattern-spread-creates-array.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  a3468393_d815_9222_6d17_c1862a537d18["Component()"]
  284ce238_9b2e_101a_3a4c_e8da28572c39["array-pattern-spread-creates-array.js"]
  a3468393_d815_9222_6d17_c1862a537d18 -->|defined in| 284ce238_9b2e_101a_3a4c_e8da28572c39
  style a3468393_d815_9222_6d17_c1862a537d18 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/array-pattern-spread-creates-array.js lines 5–23

function Component(props) {
  // Should memoize independently
  const x = useMemo(() => makeObject_Primitives(), []);

  const rest = useMemo(() => {
    const [_, ...rest] = props.array;

    // Should be inferred as Array.proto.push which doesn't mutate input
    rest.push(x);
    return rest;
  });

  return (
    <>
      <ValidateMemoization inputs={[]} output={x} />
      <ValidateMemoization inputs={[props.array]} output={rest} />
    </>
  );
}

Domain

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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/array-pattern-spread-creates-array.js.
Where is Component() defined?
Component() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/array-pattern-spread-creates-array.js at line 5.

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