fix: ensure we have listeners

farfromrefug · farfromrefug · commit 024a66af84f5 · 2022-11-14T14:26:01.000+01:00
diff --git a/src/charting/listener/BarLineChartTouchListener.ts b/src/charting/listener/BarLineChartTouchListener.ts
@@ -450,7 +450,9 @@ export class BarLineChartTouchListener extends ChartTouchListener<BarLineChartBa
             distanceY = -distanceY;
         }
         this.mMatrix.postTranslate(distanceX, distanceY);
-        this.mChart.notify({ eventName: 'translate', object: this.mChart, distanceX, distanceY });
+        if (this.mChart.hasListeners('translate')) {
+            this.mChart.notify({ eventName: 'translate', object: this.mChart, distanceX, distanceY });
+        }
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -450,7 +450,9 @@ export class BarLineChartTouchListener extends ChartTouchListener<BarLineChartBa`
`450`	`450`	`distanceY = -distanceY;`
`451`	`451`	`}`
`452`	`452`	`this.mMatrix.postTranslate(distanceX, distanceY);`
`453`		`- this.mChart.notify({ eventName: 'translate', object: this.mChart, distanceX, distanceY });`
	`453`	`+ if (this.mChart.hasListeners('translate')) {`
	`454`	`+ this.mChart.notify({ eventName: 'translate', object: this.mChart, distanceX, distanceY });`
	`455`	`+ }`
`454`	`456`	`}`
`455`	`457`
`456`	`458`	`/**`