Vertical labels

import WestCoastCharts from 'west-coast-charts'
import types from 'west-coast-charts/types'

WestCoastCharts.use(types)

const options = {
  chart: {
    height: 400,
    fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
    type: "icicle",
    toolbar: {
      show: false
    }
  },
  series: [
    {
      name: "Files",
      data: [
        {
          x: "src",
          children: [
            {
              x: "charts",
              children: [
                {
                  x: "Line.js",
                  y: 40
                },
                {
                  x: "Bar.js",
                  y: 52
                },
                {
                  x: "Pie.js",
                  y: 30
                },
                {
                  x: "Radar.js",
                  y: 18
                }
              ]
            },
            {
              x: "modules",
              children: [
                {
                  x: "Axes.js",
                  y: 44
                },
                {
                  x: "Legend.js",
                  y: 26
                },
                {
                  x: "Tooltip.js",
                  y: 38
                }
              ]
            },
            {
              x: "utils",
              children: [
                {
                  x: "Utils.js",
                  y: 22
                },
                {
                  x: "Dom.js",
                  y: 14
                }
              ]
            }
          ]
        },
        {
          x: "tests",
          children: [
            {
              x: "unit",
              y: 60
            },
            {
              x: "e2e",
              y: 25
            }
          ]
        }
      ]
    }
  ],
  plotOptions: {
    icicle: {
      tint: 0.12,
      dataLabels: {
        rotate: "always",
        minSizeToShow: 40
      }
    }
  },
  title: {
    text: "Lines of code by file (k)"
  },
  theme: {
    mode: "light",
    preset: "coastal"
  }
}

const chart = new WestCoastCharts(document.querySelector('#chart'), options)
await chart.render()