Method get_mark_opacity

js/src/Bars.ts:865–868

(data: BarGroupValue, index)

  }

  get_mark_opacity(data: BarGroupValue, index) {
    // Workaround for the bargroup, the opacity index is not the same as the bar index
    return super.get_mark_opacity(data, data.opacityIndex);
  }

  private set_x_range(): [number, number] {
    const domScale = this.domScale;