getSnapshotBeforeUpdate() — react Function Reference

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

Function javascript BabelCompiler Validation

Entity Profile

BabelCompiler→ Validation→ getSnapshotBeforeUpdate() — react Function Reference

Dependency Diagram

graph TD
  e2a2029b_bbe4_4dd3_4449_501734acd4e6["getSnapshotBeforeUpdate()"]
  29a1bd59_485c_9f90_9137_035f50335774["Child"]
  e2a2029b_bbe4_4dd3_4449_501734acd4e6 -->|defined in| 29a1bd59_485c_9f90_9137_035f50335774
  style e2a2029b_bbe4_4dd3_4449_501734acd4e6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-reconciler/src/__tests__/Activity-test.js lines 1535–1539

      getSnapshotBeforeUpdate(prevProps) {
        const snapshot = `snapshot-${prevProps.value}-to-${this.props.value}`;
        Scheduler.log(`getSnapshotBeforeUpdate: ${snapshot}`);
        return snapshot;
      }