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Component() — react Function Reference

Architecture documentation for the Component() function in invalid-derived-computation-in-effect.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  85f0fbd5_aee6_d425_5792_67b2f5cb11bd["Component()"]
  d5eadd72_b0b0_647d_7e32_890cdbefe2ca["invalid-derived-computation-in-effect.js"]
  85f0fbd5_aee6_d425_5792_67b2f5cb11bd -->|defined in| d5eadd72_b0b0_647d_7e32_890cdbefe2ca
  style 85f0fbd5_aee6_d425_5792_67b2f5cb11bd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/effect-derived-computations/invalid-derived-computation-in-effect.js lines 4–15

function Component() {
  const [firstName, setFirstName] = useState('Taylor');
  const lastName = 'Swift';

  // 🔴 Avoid: redundant state and unnecessary Effect
  const [fullName, setFullName] = useState('');
  useEffect(() => {
    setFullName(firstName + ' ' + lastName);
  }, [firstName, lastName]);

  return <div>{fullName}</div>;
}

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/effect-derived-computations/invalid-derived-computation-in-effect.js.
Where is Component() defined?
Component() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/effect-derived-computations/invalid-derived-computation-in-effect.js at line 4.

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