in src/baseBehavior.ts [64:77]
protected bindContextMenu() {
const { elementsSelection } = this.options;
let internalSelection: Selection<any, SelectableDataPoint, any, any> = selectAll(elementsSelection.nodes());
internalSelection.on("contextmenu", (event: MouseEvent, datum) => {
this.selectionHandler.handleContextMenu(
datum,
{
x: event.clientX,
y: event.clientY
});
event.preventDefault();
event.stopPropagation();
});
}