remove limits of zoomin

src/index.ts

@@ -827,6 +827,7 @@ abstract class ChartwerkPod<T extends TimeSerie, O extends Options> {
     const extent = this.d3.event.selection;
     this.isBrushing === false;
     if(extent === undefined || extent === null || extent.length < 2) {
+      console.warn('Chartwerk Core: skip brush end (no extent)');
       return;
     }
     this.chartContainer
@@ -838,9 +839,6 @@ abstract class ChartwerkPod<T extends TimeSerie, O extends Options> {
       case BrushOrientation.HORIZONTAL:
         const startTimestamp = this.xScale.invert(extent[0]);
         const endTimestamp = this.xScale.invert(extent[1]);
-        if(Math.abs(endTimestamp - startTimestamp) < this.timeInterval) {
-          return;
-        }
         xRange = [startTimestamp, endTimestamp];
         this.state.xValueRange = xRange;
         break;