Added flag to programatic scrolling to avoid infinite scroll during r…

…edraw. (visjs#238)
arthur-cheung · Jan 3, 2020 · d004d49 · d004d49
1 parent 29f5f3b
commit d004d49
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/timeline/Core.js b/lib/timeline/Core.js
@@ -287,6 +287,10 @@ class Core {
      */
     function onMouseScrollSide(event) {
       if (!me.options.verticalScroll) return;
+      if(me._isProgramaticallyScrolled){
+        me._isProgramaticallyScrolled = false;
+        return;
+      }
       event.preventDefault();
       if (me.isActive()) {
         const adjusted = -event.target.scrollTop;
@@ -1355,7 +1359,7 @@ class Core {
       this.dom.left.parentNode.scrollTop = -this.props.scrollTop;
       this.dom.right.parentNode.scrollTop = -this.props.scrollTop;
     }
-
+    this._isProgramaticallyScrolled = true;
     return this.props.scrollTop;
   }