in src/visual.ts [1468:1477]
private checkTooltipForSelection(position: AnimationPosition) {
if (!position) {
return false;
} else if (!this.settings || !this.settings.gaps || !this.settings.gaps.show) {
return false;
}
const dataPoint: DataPoint = this.getDatapointFromPosition(position);
return dataPoint && dataPoint.popupInfo;
}