normalizeIOInfo() — react Function Reference

Architecture documentation for the normalizeIOInfo() function in debugInfo.js from the react codebase.

Function javascript BabelCompiler Optimization calls 3 called by 1

Entity Profile

BabelCompiler→ Optimization→ normalizeIOInfo() — react Function Reference

Dependency Diagram

graph TD
  58be0028_746e_ad50_4976_f091aa791dab["normalizeIOInfo()"]
  46a94f52_c44a_45bb_dd31_eb8109978851["debugInfo.js"]
  58be0028_746e_ad50_4976_f091aa791dab -->|defined in| 46a94f52_c44a_45bb_dd31_eb8109978851
  4bfbffb0_89fc_0242_664a_966e634a6a47["normalizeDebugInfo()"]
  4bfbffb0_89fc_0242_664a_966e634a6a47 -->|calls| 58be0028_746e_ad50_4976_f091aa791dab
  baf09f87_d020_a596_f252_273eafc905ae["formatV8Stack()"]
  58be0028_746e_ad50_4976_f091aa791dab -->|calls| baf09f87_d020_a596_f252_273eafc905ae
  88cd6d4c_263c_1e63_ca3a_d9c352f8403b["normalizeStack()"]
  58be0028_746e_ad50_4976_f091aa791dab -->|calls| 88cd6d4c_263c_1e63_ca3a_d9c352f8403b
  4bfbffb0_89fc_0242_664a_966e634a6a47["normalizeDebugInfo()"]
  58be0028_746e_ad50_4976_f091aa791dab -->|calls| 4bfbffb0_89fc_0242_664a_966e634a6a47
  style 58be0028_746e_ad50_4976_f091aa791dab fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/internal-test-utils/debugInfo.js lines 43–96

function normalizeIOInfo(config: DebugInfoConfig, ioInfo) {
  const {debugTask, debugStack, debugLocation, ...copy} = ioInfo;
  if (ioInfo.stack) {
    copy.stack = config.useV8Stack
      ? formatV8Stack(ioInfo.stack)
      : normalizeStack(ioInfo.stack);
  }
  if (ioInfo.owner) {
    copy.owner = normalizeDebugInfo(config, ioInfo.owner);
  }
  if (typeof ioInfo.start === 'number' && config.useFixedTime) {
    copy.start = 0;
  }
  if (typeof ioInfo.end === 'number' && config.useFixedTime) {
    copy.end = 0;
  }
  const promise = ioInfo.value;
  if (promise) {
    promise.then(); // init
    if (promise.status === 'fulfilled') {
      if (ioInfo.name === 'rsc stream') {
        copy.byteSize = 0;
        copy.value = {
          value: 'stream',
        };
      } else {
        copy.value = {
          value: promise.value,
        };
      }
    } else if (promise.status === 'rejected') {
      copy.value = {
        reason: promise.reason,
      };
    } else {
      copy.value = {
        status: promise.status,
      };
    }
  } else if ('value' in ioInfo) {
    // If value exists in ioInfo but is undefined (e.g., WeakRef was GC'd),
    // ensure we still include it in the normalized output for consistency
    copy.value = {
      value: undefined,
    };
  } else if (ioInfo.name && ioInfo.name !== 'rsc stream') {
    // For non-rsc-stream IO that doesn't have a value field, add a default.
    // This handles the case where the server doesn't send the field when WeakRef is GC'd.
    copy.value = {
      value: undefined,
    };
  }
  return copy;
}