<template>
  <div>
    <div id="chart">
      <apexchart
        type="funnel"
        height="420"
        :options="chartOptions"
        :series="series"
      ></apexchart>
    </div>
  </div>
</template>

<script>
import VueApexCharts from 'vue-apexcharts'

export default {
  components: {
    apexchart: VueApexCharts,
  },
  data: function () {
    return {
      series: [
        {
          name: 'Subscribers',
          data: [1200, 480, 160, 32],
        },
      ],
      chartOptions: {
        chart: {
          type: 'funnel',
          height: 420,
        },
        plotOptions: {
          funnel: {
            shape: 'trapezoid',
            lastShape: 'taper',
          },
          bar: {
            barHeight: '90%',
            distributed: true,
          },
        },
        colors: ['#10B981', '#34D399', '#6EE7B7', '#A7F3D0'],
        dataLabels: {
          enabled: true,
          formatter: function (val, opt) {
            return opt.w.globals.labels[opt.dataPointIndex] + ': ' + val
          },
          style: {
            colors: ['#064E3B'],
            fontSize: '13px',
            fontWeight: 600,
          },
        },
        title: {
          text: 'Newsletter Funnel — Tapered',
          align: 'middle',
        },
        xaxis: {
          categories: ['Delivered', 'Opened', 'Clicked', 'Converted'],
        },
        legend: {
          show: false,
        },
      },
    }
  },
}
</script>

<style>
#chart {
  max-width: 650px;
  margin: 35px auto;
}
</style>