text: const canvas = document.createElement('canvas');
  canvas.width = 512;
  canvas.height = 512;
  const ctx = canvas.getContext('2d');
  
  module.exports = {
    config: {
      type: 'polarArea',
      data: {
        labels: ['A', 'B', 'C', 'D', 'E'],
        datasets: [{
          data: [1, 5, 10, 2, 4],
          backgroundColor: [
            'rgba(255, 99, 132, 0.8)',
            'rgba(54, 162, 235, 0.8)',
            'rgba(255, 206, 86, 0.8)',
            'rgba(75, 192, 192, 0.8)',
            'rgba(153, 102, 255, 0.8)'
          ],
          borderWidth: 4,
          borderColor: [
            'rgb(255, 99, 132)',
            'rgb(54, 162, 235)',
            'rgb(255, 206, 86)',
            'rgb(75, 192, 192)',
            'rgb(153, 102, 255)'
          ]
        }]
      },
      options: {
        animation: {
          animateRotate: false,
          animateScale: true,
          duration: 8000,
          easing: 'linear'
        },
        responsive: false,
        plugins: {
          legend: false,
          title: false,
          tooltip: false,
          filler: false
        },
        scales: {
          r: {
            ticks: {
              display: false,
            }
          }
        }
      },
    },
    options: {
      canvas: {
        height: 512,
        width: 512
      },
      run: function(chart) {
        const animator = Chart.animator;
        const anims = animator._getAnims(chart);
        // disable animator
        const backup = animator._refresh;
        animator._refresh = function() { };
  
        return new Promise((resolve) => {
          window.requestAnimationFrame(() => {
  
            const start = anims.items[0]._start;
            for (let i = 0; i < 16; i++) {
              animator._update(start + i * 500);
              let x = i % 4 * 128;
              let y = Math.floor(i / 4) * 128;
              ctx.drawImage(chart.canvas, x, y, 128, 128);
            }
            Chart.helpers.clearCanvas(chart.canvas);
            chart.ctx.drawImage(canvas, 0, 0);
  
            animator._refresh = backup;
            resolve();
          });
        });
      }
    }
  };
  