Small Slice Handling in Pie Charts

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style>
    html,
    body {
      height: 100%;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    #myChart {
      height: 100%;
      width: 100%;
      min-height: 150px;
    }

    .zc-ref {
      display: none;
    }
  </style>
</head>

<body>
  <div id="myChart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      type: "pie",
      title: {
        text: 'Click on a label or slice'
      },
      plot: {
        valueBox: {
          placement: 'out',
          backgroundColor: 'black',
          decimals: 2,
          flat: false // MOST IMPORTANT PART TO GET LABEL CLICK
        }
      },
      series: [{
          values: [290]
        },
        {
          values: [2]
        },
        {
          values: [1]
        },
        {
          values: [1]
        },
        {
          values: [1]
        }
      ]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: 400,
      width: 800
    });

    zingchart.label_click = function(e) {
      console.log(e)
      zingchart.exec('myChart', 'clicknode', {
        plotindex: e.plotindex,
        nodeindex: e.nodeindex
      });
    }
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <div id="myChart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
</body>

</html>

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

#myChart {
  height: 100%;
  width: 100%;
  min-height: 150px;
}

.zc-ref {
  display: none;
}

var myConfig = {
  type: "pie",
  title: {
    text: 'Click on a label or slice'
  },
  plot: {
    valueBox: {
      placement: 'out',
      backgroundColor: 'black',
      decimals: 2,
      flat: false // MOST IMPORTANT PART TO GET LABEL CLICK
    }
  },
  series: [{
      values: [290]
    },
    {
      values: [2]
    },
    {
      values: [1]
    },
    {
      values: [1]
    },
    {
      values: [1]
    }
  ]
};

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: 400,
  width: 800
});

zingchart.label_click = function(e) {
  console.log(e)
  zingchart.exec('myChart', 'clicknode', {
    plotindex: e.plotindex,
    nodeindex: e.nodeindex
  });
}