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Component() — react Function Reference

Architecture documentation for the Component() function in function-expression-captures-value-later-frozen-jsx.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  fa453a0c_1d41_c794_066a_36e55923a66e["Component()"]
  154595db_d557_0764_945d_db2d7cb2c876["function-expression-captures-value-later-frozen-jsx.js"]
  fa453a0c_1d41_c794_066a_36e55923a66e -->|defined in| 154595db_d557_0764_945d_db2d7cb2c876
  style fa453a0c_1d41_c794_066a_36e55923a66e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/function-expression-captures-value-later-frozen-jsx.js lines 1–12

function Component(props) {
  let x = {};
  // onChange should be inferred as immutable, because the value
  // it captures (`x`) is frozen by the time the function is referenced
  const onChange = e => {
    maybeMutate(x, e.target.value);
  };
  if (props.cond) {
    <div>{x}</div>;
  }
  return <Foo value={x} 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/function-expression-captures-value-later-frozen-jsx.js.
Where is Component() defined?
Component() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/function-expression-captures-value-later-frozen-jsx.js at line 1.

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