Frappe Charts

&lt!--HTML-->
  <div id="chart"></div>

// Javascript
  let chart = new frappe.Chart( "#chart", { // or DOM element
    data: {
      labels: ["12am-3am", "3am-6am", "6am-9am", "9am-12pm",
      "12pm-3pm", "3pm-6pm", "6pm-9pm", "9pm-12am"],

      datasets: [
        {
          name: "Some Data", chartType: 'bar',
          values: [25, 40, 30, 35, 8, 52, 17, -4]
        },
        {
          name: "Another Set", chartType: 'bar',
          values: [25, 50, -10, 15, 18, 32, 27, 14]
        },
        {
          name: "Yet Another", chartType: 'line',
          values: [15, 20, -3, -15, 58, 12, -17, 37]
        }
      ],

      yMarkers: [{ label: "Marker", value: 70,
        options: { labelPos: 'left' }}],
      yRegions: [{ label: "Region", start: -10, end: 50,
        options: { labelPos: 'right' }}]
    },

    title: "My Awesome Chart",
    type: 'axis-mixed', // or 'bar', 'line', 'pie', 'percentage', 'donut'
    height: 300,
    colors: ['purple', '#ffa3ef', 'light-blue'],

    tooltipOptions: {
      formatTooltipX: d => (d + '').toUpperCase(),
      formatTooltipY: d => d + ' pts',
    }
  });

  chart.export();

...
  isNavigable: 1, // Navigate across data points; default 0
  ...

  chart.parent.addEventListener('data-select', (e) => {
    update_moon_data(e.index); // e contains index and value of current datapoint
  });

let heatmap = new frappe.Chart("#heatmap", {
    type: 'heatmap',
    title: "Monthly Distribution",
    data: {
      dataPoints: {'1524064033': 8, /* ... */},
                        // object with timestamp-value pairs
      start: startDate
      end: endDate // Date objects
    },
    countLabel: 'Level',
    discreteDomains: 0 // default: 1
    colors: ['#ebedf0', '#c0ddf9', '#73b3f3', '#3886e1', '#17459e'],
                // Set of five incremental colors,
                // preferably with a low-saturation color for zero data;
                // def: ['#ebedf0', '#c6e48b', '#7bc96f', '#239a3b', '#196127']
  });

...
    {
      data: {
        labels: [],
        datasets: [],
        yRegions: [],
        yMarkers: []
      }
      title: '',
      colors: [],
      height: 200,

      tooltipOptions: {
        formatTooltipX: d => (d + '').toUpperCase(),
        formatTooltipY: d => d + ' pts',
      }

      // Axis charts
      isNavigable: 1, // default: 0
      valuesOverPoints: 1, // default: 0
      barOptions: {
        spaceRatio: 1 // default: 0.5
        stacked: 1 // default: 0
      }

      lineOptions: {
        dotSize: 6, // default: 4
        hideLine: 0, // default: 0
        hideDots: 1, // default: 0
        heatline: 1, // default: 0
        regionFill: 1 // default: 0
      }

      axisOptions: {
        yAxisMode: 'span', // Axis lines, default
        xAxisMode: 'tick', // No axis lines, only short ticks
        xIsSeries: 1 // Allow skipping x values for space
                              // default: 0
      },

      // Pie/Percentage/Donut charts
      maxLegendPoints: 6, // default: 20
      maxSlices: 10, // default: 20

      // Percentage chart
      barOptions: {
        height: 15 // default: 20
        depth: 5 // default: 2
      }

      // Heatmap
      discreteDomains: 1, // default: 1
    }
    ...

  // Updating values
  chart.update(data);

  // Axis charts:
  chart.addDataPoint(label, valueFromEachDataset, index)
  chart.removeDataPoint(index)
  chart.updateDataset(datasetValues, index)

  // Exporting
  chart.export();

  // Unbind window-resize events
  chart.destroy();

npm install frappe-charts

import { Chart } from "frappe-charts"

import { Chart } from "frappe-charts/dist/frappe-charts.esm.js"

<script src="https://unpkg.com/[email protected]"></script>

new Chart(); // ES6 module
                        // or
  new frappe.Chart(); // Browser