Method drag_move

js/src/LassoSelector.ts:98–103

()

  }

  drag_move() {
    this.current_vertices.push(d3.mouse(this.background.node()));
    this.d3el
      .select('#l' + this.lasso_counter)
      .attr('d', this.line(this.current_vertices));
  }

  drag_end() {
    const lasso_name = 'l' + this.lasso_counter;