Horizontal waterfall

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

WestCoastCharts.use(types)

const options = {
  chart: {
    height: 380,
    fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
    type: "waterfall",
    toolbar: {
      show: false
    }
  },
  series: [
    {
      name: "Headcount",
      data: [
        {
          x: "Start of year",
          y: 312
        },
        {
          x: "New hires engineering",
          y: 48
        },
        {
          x: "New hires sales",
          y: 21
        },
        {
          x: "Voluntary leavers",
          y: -26
        },
        {
          x: "Restructuring",
          y: -14
        },
        {
          x: "Internal transfers in",
          y: 6
        },
        {
          x: "End of year",
          isTotal: true
        }
      ]
    }
  ],
  plotOptions: {
    bar: {
      horizontal: true
    },
    waterfall: {
      connectors: {
        strokeDashArray: 0
      }
    }
  },
  title: {
    text: "Headcount bridge 2026"
  },
  theme: {
    mode: "light",
    preset: "coastal"
  }
}

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