getRendererID() — react Function Reference

Architecture documentation for the getRendererID() function in utils.js from the react codebase.

Function javascript BuildUtilities ReleaseAutomations

Entity Profile

BuildUtilities→ ReleaseAutomations→ getRendererID() — react Function Reference

Dependency Diagram

graph TD
  3cd5ce4c_052c_e4ac_ee23_4dae1ccc17d2["getRendererID()"]
  93555fc7_aab5_9c30_c010_0082280015fc["utils.js"]
  3cd5ce4c_052c_e4ac_ee23_4dae1ccc17d2 -->|defined in| 93555fc7_aab5_9c30_c010_0082280015fc
  style 3cd5ce4c_052c_e4ac_ee23_4dae1ccc17d2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-devtools-shared/src/__tests__/utils.js lines 344–360

export function getRendererID(): number {
  if (global.agent == null) {
    throw Error('Agent unavailable.');
  }
  const ids = Object.keys(global.agent._rendererInterfaces);

  const id = ids.find(innerID => {
    const rendererInterface = global.agent._rendererInterfaces[innerID];
    return rendererInterface.renderer.rendererPackageName === 'react-dom';
  });

  if (id == null) {
    throw Error('Could not find renderer.');
  }

  return parseInt(id, 10);
}