text: // import * as d3 from '@/js/d3-modules.js'
  import BxAxis from '@/js/axis/bxAxis.js'
  
  export default class BandAxis extends BxAxis {
    constructor (params = {}) {
      super(params)
    }
  
    /**
     * @override
     */
    set chart (chart) {
      super.chart = chart
  
      const self = this
  
      self._fn_axis.scale(chart.fn_bandScale)
    }
  }
  