createOrGetPooledEvent() — react Function Reference

Architecture documentation for the createOrGetPooledEvent() function in SyntheticEvent.js from the react codebase.

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Entity Profile

BabelCompiler→ Validation→ createOrGetPooledEvent() — react Function Reference

Dependency Diagram

graph TD
  bd7422a8_7e7c_b3a1_3f3d_44b571c9f652["createOrGetPooledEvent()"]
  a47c9419_7313_73d9_a24c_401cd8fd59b8["SyntheticEvent.js"]
  bd7422a8_7e7c_b3a1_3f3d_44b571c9f652 -->|defined in| a47c9419_7313_73d9_a24c_401cd8fd59b8
  style bd7422a8_7e7c_b3a1_3f3d_44b571c9f652 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/react-native-renderer/src/legacy-events/SyntheticEvent.js lines 300–324

function createOrGetPooledEvent(
  dispatchConfig,
  targetInst,
  nativeEvent,
  nativeInst,
) {
  const EventConstructor = this;
  if (EventConstructor.eventPool.length) {
    const instance = EventConstructor.eventPool.pop();
    EventConstructor.call(
      instance,
      dispatchConfig,
      targetInst,
      nativeEvent,
      nativeInst,
    );
    return instance;
  }
  return new EventConstructor(
    dispatchConfig,
    targetInst,
    nativeEvent,
    nativeInst,
  );
}