getSnapshotBeforeUpdate() — react Function Reference

Architecture documentation for the getSnapshotBeforeUpdate() function in ReactComponentLifeCycle-test.js from the react codebase.

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Entity Profile

BabelCompiler→ Validation→ getSnapshotBeforeUpdate() — react Function Reference

Dependency Diagram

graph TD
  1aeddb79_4d99_f12f_3e6c_36a4e39433d8["getSnapshotBeforeUpdate()"]
  e105b14f_259e_7640_27b6_44fda86db960["MyComponent"]
  1aeddb79_4d99_f12f_3e6c_36a4e39433d8 -->|defined in| e105b14f_259e_7640_27b6_44fda86db960
  style 1aeddb79_4d99_f12f_3e6c_36a4e39433d8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js lines 1246–1251

      getSnapshotBeforeUpdate(prevProps, prevState) {
        log.push(
          `getSnapshotBeforeUpdate() prevProps:${prevProps.value} prevState:${prevState.value}`,
        );
        return 'abc';
      }