<template>
  <div>
    <div id="chart">
      <apexchart
        type="treemap"
        height="350"
        :options="chartOptions"
        :series="series"
      ></apexchart>
    </div>
  </div>
</template>

<script>
import VueApexCharts from 'vue-apexcharts'

export default {
  components: {
    apexchart: VueApexCharts,
  },
  data: function () {
    return {
      series: [
        {
          data: [
            {
              x: 'INTC',
              y: 1.2,
            },
            {
              x: 'GS',
              y: 0.4,
            },
            {
              x: 'CVX',
              y: -1.4,
            },
            {
              x: 'GE',
              y: 2.7,
            },
            {
              x: 'CAT',
              y: -0.3,
            },
            {
              x: 'RTX',
              y: 5.1,
            },
            {
              x: 'CSCO',
              y: -2.3,
            },
            {
              x: 'JNJ',
              y: 2.1,
            },
            {
              x: 'PG',
              y: 0.3,
            },
            {
              x: 'TRV',
              y: 0.12,
            },
            {
              x: 'MMM',
              y: -2.31,
            },
            {
              x: 'NKE',
              y: 3.98,
            },
            {
              x: 'IYT',
              y: 1.67,
            },
          ],
        },
      ],
      chartOptions: {
        legend: {
          show: false,
        },
        chart: {
          height: 350,
          type: 'treemap',
        },
        title: {
          text: 'Treemap with Color scale',
        },
        dataLabels: {
          enabled: true,
          style: {
            fontSize: '12px',
          },
          formatter: function (text, op) {
            return [text, op.value]
          },
          offsetY: -4,
        },
        plotOptions: {
          treemap: {
            enableShades: true,
            shadeIntensity: 0.5,
            reverseNegativeShade: true,
            colorScale: {
              ranges: [
                {
                  from: -6,
                  to: 0,
                  color: '#CD363A',
                },
                {
                  from: 0.001,
                  to: 6,
                  color: '#52B12C',
                },
              ],
            },
          },
        },
      },
    }
  },
}
</script>

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