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useHook() — react Function Reference

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

Function javascript TestingUtilities Fixtures

Entity Profile

Dependency Diagram

graph TD
  49decf49_9d08_e638_1551_f2bf98a8ab1b["useHook()"]
  395978c6_d915_b43a_9bf4_92b82707beae["hoisting-reassigned-twice-let-declaration.js"]
  49decf49_9d08_e638_1551_f2bf98a8ab1b -->|defined in| 395978c6_d915_b43a_9bf4_92b82707beae
  style 49decf49_9d08_e638_1551_f2bf98a8ab1b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/hoisting-reassigned-twice-let-declaration.js lines 3–13

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

  let x = CONST_NUMBER0;
  if (cond) {
    x += CONST_NUMBER1;
    x = Math.min(x, 100);
  }
  return <Stringify getX={getX} shouldInvokeFns={true} />;
}

Domain

Subdomains

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-twice-let-declaration.js.
Where is useHook() defined?
useHook() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/hoisting-reassigned-twice-let-declaration.js at line 3.

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