code style fix

src/index.ts

@@ -448,9 +448,8 @@ export class LinePod extends ChartwerkPod<LineTimeSerie, LineOptions> {
     this.crosshair.style('display', 'none');
   }
 
-  isDoubleClickActive(): boolean
+  isDoubleClickActive(): boolean {
-  {
+    if(this.options.zoomEvents.mouse.doubleClick === undefined) {
-    if (this.options.zoomEvents.mouse['doubleClick'] === undefined) {
       return false;
     }
     return this.options.zoomEvents.mouse.doubleClick.isActive;
@@ -462,7 +461,7 @@ export class LinePod extends ChartwerkPod<LineTimeSerie, LineOptions> {
     if(this.isOutOfChart() === true) {
       return;
     }
-    if (this.d3.event.type === 'dblclick' && !this.isDoubleClickActive()) {
+    if(this.d3.event.type === 'dblclick' && !this.isDoubleClickActive()) {
       return;
     }
     // TODO: its not clear, why we use this orientation here. Mb its better to use separate option