Merge pull request 'rm abstact keyword and methods' (#36) from bad-abstract-onmouseclick-#35 into main

Reviewed-on: #36

demo/demo_pod.ts

@@ -51,12 +51,6 @@ class DemoPod extends ChartwerkPod<Serie, Options> {
       .attr('d', this.lineGenerator);
   }
 
-  onMouseMove(): void {}
-  onMouseOver(): void {}
-  onMouseOut(): void {}
-  onMouseClick(): void {}
-  renderSharedCrosshair(values): void {}
-  hideSharedCrosshair(): void {}
 }
 
 export { DemoPod };

src/index.ts

@@ -37,7 +37,7 @@ import debounce from 'lodash/debounce';
 const DEFAULT_TICK_SIZE = 2;
 
 
-abstract class ChartwerkPod<T extends Serie, O extends Options> {
+class ChartwerkPod<T extends Serie, O extends Options> {
 
   protected series: CoreSeries<T>;
   protected options: CoreOptions<O>;
@@ -151,13 +151,13 @@ abstract class ChartwerkPod<T extends Serie, O extends Options> {
     this.series.updateSeries(newSeries);
   }
 
-  protected abstract renderMetrics(): void;
+  protected renderMetrics(): void {}
-  protected abstract onMouseOver(): void;
+  protected onMouseOver(): void {}
-  protected abstract onMouseOut(): void;
+  protected onMouseOut(): void {}
-  protected abstract onMouseMove(): void;
+  protected onMouseMove(): void {}
-  protected abstract onMouseClick(): void;
+  protected onMouseClick(): void { }
-  public abstract renderSharedCrosshair(values: { x?: number, y?: number }): void;
+  public renderSharedCrosshair(values: { x?: number, y?: number }): void {}
-  public abstract hideSharedCrosshair(): void;
+  public hideSharedCrosshair(): void {}
 
   protected initPodState(): void {
     const boxPararms = {