Animated: Rename __debouncedOnEnd to __notifyAnimationEnd

Summary:
Simple rename of a protected method that should not be called by anyone outside of the `Animation` class and its subclasses, just to make it more intuitive.

Changelog:
[Internal]

Differential Revision: D63572363

packages/react-native/Libraries/Animated/animations/Animation.js

@@ -88,13 +88,6 @@ export default class Animation {
     throw new Error('This animation type cannot be offloaded to native');
   }
 
-  // Helper function for subclasses to make sure onEnd is only called once.
-  __debouncedOnEnd(result: EndResult): void {
-    const onEnd = this.#onEnd;
-    this.#onEnd = null;
-    onEnd && onEnd(result);
-  }
-
   __findAnimatedPropsNodes(node: AnimatedNode): Array<AnimatedProps> {
     const result = [];
 
@@ -129,7 +122,7 @@ export default class Animation {
         animatedValue.__getNativeTag(),
         config,
         result => {
-          this.__debouncedOnEnd(result);
+          this.__notifyAnimationEnd(result);
 
           // When using natively driven animations, once the animation completes,
           // we need to ensure that the JS side nodes are synced with the updated
@@ -163,4 +156,16 @@ export default class Animation {
       );
     }
   }
+
+  /**
+   * Notify the completion callback that the animation has ended. The completion
+   * callback will never be called more than once.
+   */
+  __notifyAnimationEnd(result: EndResult): void {
+    const callback = this.#onEnd;
+    if (callback != null) {
+      this.#onEnd = null;
+      callback(result);
+    }
+  }
 }

packages/react-native/Libraries/Animated/animations/DecayAnimation.js

@@ -100,7 +100,7 @@ export default class DecayAnimation extends Animation {
     this._onUpdate(value);
 
     if (Math.abs(this._lastValue - value) < 0.1) {
-      this.__debouncedOnEnd({finished: true});
+      this.__notifyAnimationEnd({finished: true});
       return;
     }
 
@@ -116,6 +116,6 @@ export default class DecayAnimation extends Animation {
     if (this._animationFrame != null) {
       global.cancelAnimationFrame(this._animationFrame);
     }
-    this.__debouncedOnEnd({finished: false});
+    this.__notifyAnimationEnd({finished: false});
   }
 }

packages/react-native/Libraries/Animated/animations/SpringAnimation.js

@@ -354,7 +354,7 @@ export default class SpringAnimation extends Animation {
         this._onUpdate(this._toValue);
       }
 
-      this.__debouncedOnEnd({finished: true});
+      this.__notifyAnimationEnd({finished: true});
       return;
     }
     // $FlowFixMe[method-unbinding] added when improving typing for this parameters
@@ -367,6 +367,6 @@ export default class SpringAnimation extends Animation {
     if (this._animationFrame != null) {
       global.cancelAnimationFrame(this._animationFrame);
     }
-    this.__debouncedOnEnd({finished: false});
+    this.__notifyAnimationEnd({finished: false});
   }
 }

packages/react-native/Libraries/Animated/animations/TimingAnimation.js

@@ -124,7 +124,7 @@ export default class TimingAnimation extends Animation {
         // not cause intermixed JS and native animations.
         if (this._duration === 0) {
           this._onUpdate(this._toValue);
-          this.__debouncedOnEnd({finished: true});
+          this.__notifyAnimationEnd({finished: true});
         } else {
           this._animationFrame = requestAnimationFrame(() => this.onUpdate());
         }
@@ -147,7 +147,7 @@ export default class TimingAnimation extends Animation {
           this._fromValue + this._easing(1) * (this._toValue - this._fromValue),
         );
       }
-      this.__debouncedOnEnd({finished: true});
+      this.__notifyAnimationEnd({finished: true});
       return;
     }
 
@@ -168,6 +168,6 @@ export default class TimingAnimation extends Animation {
     if (this._animationFrame != null) {
       global.cancelAnimationFrame(this._animationFrame);
     }
-    this.__debouncedOnEnd({finished: false});
+    this.__notifyAnimationEnd({finished: false});
   }
 }

packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap

@@ -443,9 +443,9 @@ declare export default class Animation {
     platformConfig: ?PlatformConfig,
     ...
   }>;
-  __debouncedOnEnd(result: EndResult): void;
   __findAnimatedPropsNodes(node: AnimatedNode): Array<AnimatedProps>;
   __startNativeAnimation(animatedValue: AnimatedValue): boolean;
+  __notifyAnimationEnd(result: EndResult): void;
 }
 "
 `;