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useHook() — react Function Reference

Architecture documentation for the useHook() function in hoisting-reassigned-let-declaration.js from the react codebase.

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  31edd1ee_b31b_ab07_7cd4_62a3210c0104["useHook()"]
  c8618d1d_f865_4232_0730_529098108a5f["hoisting-reassigned-let-declaration.js"]
  31edd1ee_b31b_ab07_7cd4_62a3210c0104 -->|defined in| c8618d1d_f865_4232_0730_529098108a5f
  style 31edd1ee_b31b_ab07_7cd4_62a3210c0104 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/hoisting-reassigned-let-declaration.js lines 3–12

function useHook({cond}) {
  'use memo';
  const getX = () => x;

  let x = CONST_NUMBER0;
  if (cond) {
    x += CONST_NUMBER1;
  }
  return <Stringify getX={getX} shouldInvokeFns={true} />;
}

Domain

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Defined In

Source

Frequently Asked Questions

What does useHook() do?
useHook() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/hoisting-reassigned-let-declaration.js.
Where is useHook() defined?
useHook() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/hoisting-reassigned-let-declaration.js at line 3.

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