expectHookMapToEqual() — react Function Reference

Architecture documentation for the expectHookMapToEqual() function in generateHookMap-test.js from the react codebase.

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BabelCompiler→ Validation→ expectHookMapToEqual() — react Function Reference

Dependency Diagram

graph TD
  85ebc6da_c762_f87b_f9a5_2ba8723f1e90["expectHookMapToEqual()"]
  13d4ecc3_5f1d_4757_b18c_5c1d3b72cb4f["generateHookMap-test.js"]
  85ebc6da_c762_f87b_f9a5_2ba8723f1e90 -->|defined in| 13d4ecc3_5f1d_4757_b18c_5c1d3b72cb4f
  style 85ebc6da_c762_f87b_f9a5_2ba8723f1e90 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/react-devtools-shared/src/hooks/__tests__/generateHookMap-test.js lines 13–27

function expectHookMapToEqual(actual, expected) {
  expect(actual.names).toEqual(expected.names);

  const formattedMappings = [];
  actual.mappings.forEach(lines => {
    lines.forEach(segment => {
      const name = actual.names[segment[2]];
      if (name == null) {
        throw new Error(`Expected to find name at position ${segment[2]}`);
      }
      formattedMappings.push(`${name} from ${segment[0]}:${segment[1]}`);
    });
  });
  expect(formattedMappings).toEqual(expected.mappings);
}