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useTest() — react Function Reference

Architecture documentation for the useTest() function in repro-allocating-ternary-test-instruction-scope.ts from the react codebase.

Function typescript CompilerCore BabelIntegration calls 1

Entity Profile

Dependency Diagram

graph TD
  8474bc55_753f_0b3e_908b_4026a40a0ab2["useTest()"]
  337c761a_dd8a_34d3_a236_bd6a494bba99["repro-allocating-ternary-test-instruction-scope.ts"]
  8474bc55_753f_0b3e_908b_4026a40a0ab2 -->|defined in| 337c761a_dd8a_34d3_a236_bd6a494bba99
  802797f6_56a4_9efc_c6fb_f465c8b87240["useHook()"]
  8474bc55_753f_0b3e_908b_4026a40a0ab2 -->|calls| 802797f6_56a4_9efc_c6fb_f465c8b87240
  style 8474bc55_753f_0b3e_908b_4026a40a0ab2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-allocating-ternary-test-instruction-scope.ts lines 5–17

function useTest({cond}) {
  const val = makeObject_Primitives();

  useHook();
  /**
   * We don't technically need a reactive scope for this ternary as
   * it cannot produce newly allocated values.
   * While identity(...) may allocate, we can teach the compiler that
   * its result is only used as as a test condition
   */
  const result = identity(cond) ? val : null;
  return result;
}

Domain

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Defined In

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Source

Frequently Asked Questions

What does useTest() do?
useTest() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-allocating-ternary-test-instruction-scope.ts.
Where is useTest() defined?
useTest() is defined in compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-allocating-ternary-test-instruction-scope.ts at line 5.
What does useTest() call?
useTest() calls 1 function(s): useHook.

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