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Component() — react Function Reference

Architecture documentation for the Component() function in weakmap-constructor.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  c64f113f_1990_a7e0_803c_98b465ac068a["Component()"]
  26759c0a_f366_a84a_b7db_7dc249934992["weakmap-constructor.js"]
  c64f113f_1990_a7e0_803c_98b465ac068a -->|defined in| 26759c0a_f366_a84a_b7db_7dc249934992
  style c64f113f_1990_a7e0_803c_98b465ac068a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/weakmap-constructor.js lines 4–30

function Component({a, b, c}) {
  const map = new WeakMap();
  const mapAlias = map.set(a, 0);
  mapAlias.set(c, 0);

  const hasB = map.has(b);

  return (
    <>
      <ValidateMemoization
        inputs={[a, c]}
        output={map}
        onlyCheckCompiled={true}
      />
      <ValidateMemoization
        inputs={[a, c]}
        output={mapAlias}
        onlyCheckCompiled={true}
      />
      <ValidateMemoization
        inputs={[b]}
        output={[hasB]}
        onlyCheckCompiled={true}
      />
    </>
  );
}

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/weakmap-constructor.js.
Where is Component() defined?
Component() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/weakmap-constructor.js at line 4.

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