fix(gesture): nativeRaf is unsafe

Author: manucorporat

src/gestures/slide-gesture.ts

@@ -49,15 +49,13 @@ export class SlideGesture extends PanGesture {
       distance: 0,
       velocity: 0,
     };
-    this.started = false;
-    nativeRaf(() => {
-      let {min, max} = this.getSlideBoundaries(this.slide, ev);
-      this.slide.min = min;
-      this.slide.max = max;
-      this.slide.elementStartPos = this.getElementStartPos(this.slide, ev);
-      this.started = true;
-      this.onSlideStart(this.slide, ev);
-    });
+
+    // TODO: we should run this in the next frame
+    let {min, max} = this.getSlideBoundaries(this.slide, ev);
+    this.slide.min = min;
+    this.slide.max = max;
+    this.slide.elementStartPos = this.getElementStartPos(this.slide, ev);
+    this.onSlideStart(this.slide, ev);
   }
 
   onDragMove(ev: any) {