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Interactions | chartjs-plugin-streaming

const config = {
  type: 'line',
  data: data,
  options: {
    scales: {
      x: {
        type: 'realtime',
        realtime: {
          duration: 20000,
          ttl: 60000,
          refresh: 1000,
          delay: 2000,
          onRefresh: onRefresh,
          frameRate: 30,
          pause: false
        }
      },
      y: {
        title: {
          display: true,
          text: 'Value'
        }
      }
    },
    interaction: {
      intersect: false
    }
  }
};

const data = {
  datasets: [
    {
      label: 'Dataset 1 (Linear Interpolation)',
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
      borderColor: Utils.CHART_COLORS.red,
      borderDash: [8, 4],
      data: []
    },
    {
      label: 'Dataset 2 (Cubic Interpolation)',
      backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
      borderColor: Utils.CHART_COLORS.blue,
      cubicInterpolationMode: 'monotone',
      data: []
    }
  ]
};
const onRefresh = chart => {
  const now = Date.now();
  chart.data.datasets.forEach(dataset => {
    dataset.data.push({
      x: now,
      y: Utils.rand(-100, 100)
    });
  });
};

const actions = [
  {
    name: 'duration +1000',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.duration < 60000) {
        realtimeOpts.duration += 1000;
        chart.update('none');
      }
    }
  },
  {
    name: 'duration -1000',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.duration > 1000) {
        realtimeOpts.duration -= 1000;
        chart.update('none');
      }
    }
  },
  {
    name: 'ttl +1000',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.ttl < 60000) {
        realtimeOpts.ttl += 1000;
        chart.update('none');
      }
    }
  },
  {
    name: 'ttl -1000',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.ttl > 1000) {
        realtimeOpts.ttl -= 1000;
        chart.update('none');
      }
    }
  },
  {
    name: 'refresh +200',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.refresh < 5000) {
        realtimeOpts.refresh += 200;
        chart.update('none');
      }
    }
  },
  {
    name: 'refresh -200',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.refresh > 200) {
        realtimeOpts.refresh -= 200;
        chart.update('none');
      }
    }
  },
  {
    name: 'delay +200',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.delay < 5000) {
        realtimeOpts.delay += 200;
        chart.update('none');
      }
    }
  },
  {
    name: 'delay -200',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      if (realtimeOpts.delay > 0) {
        realtimeOpts.delay -= 200;
        chart.update('none');
      }
    }
  },
  {
    name: 'frameRate: 1',
    handler(chart) {
      chart.options.scales.x.realtime.frameRate = 1;
      chart.update('none');
    }
  },
  {
    name: 'frameRate: 5',
    handler(chart) {
      chart.options.scales.x.realtime.frameRate = 5;
      chart.update('none');
    }
  },
  {
    name: 'frameRate: 30',
    handler(chart) {
      chart.options.scales.x.realtime.frameRate = 30;
      chart.update('none');
    }
  },
  {
    name: 'frameRate: 60',
    handler(chart) {
      chart.options.scales.x.realtime.frameRate = 60;
      chart.update('none');
    }
  },
  {
    name: 'pause on/off',
    handler(chart) {
      const realtimeOpts = chart.options.scales.x.realtime;
      realtimeOpts.pause = !realtimeOpts.pause;
      chart.update('none');
    }
  }
];

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