Vue ChartsCreate/Update

import { createApp, defineComponent, ref } from "vue";
import { AgCharts } from "ag-charts-vue3";
import type { AgChartOptions } from "ag-charts-types";
import {
  AreaSeriesModule,
  CategoryAxisModule,
  LegendModule,
  ModuleRegistry,
  NumberAxisModule,
} from "ag-charts-community";
import { getData } from "./data";
import clone from "clone";

function buildSeries(name) {
  return {
    type: "area",
    xKey: "year",
    yKey: name.toLowerCase(),
    yName: name,
    fillOpacity: 0.5,
  };
}

const series = [
  buildSeries("IE"),
  buildSeries("Chrome"),
  buildSeries("Firefox"),
  buildSeries("Safari"),
];

const positions = ["left", "top", "right", "bottom"];

const legend = {
  position: positions[1],
};

ModuleRegistry.registerModules([
  AreaSeriesModule,
  CategoryAxisModule,
  LegendModule,
  NumberAxisModule,
]);

const ChartExample = defineComponent({
  template: `
    <div class="example-controls">
      <div class="controls-row">
        <button v-on:click="reverseSeries()">Reverse Series</button>
        <button v-on:click="swapTitles()">Swap Titles</button>
        <button v-on:click="rotateLegend()">Rotate Legend</button>
      </div>
    </div>
    <ag-charts
      :options="options"
    />
  `,
  components: {
    "ag-charts": AgCharts,
  },
  setup(props) {
    const options = ref<AgChartOptions>({
      title: {
        text: "Browser Usage Statistics",
      },
      subtitle: {
        text: "2009-2019",
      },
      data: getData(),
      series,
      legend,
    });

    const reverseSeries = () => {
      const optionsCopy = clone(options.value);

      optionsCopy.series = series.reverse();

      options.value = optionsCopy;
    };
    const swapTitles = () => {
      const optionsCopy = clone(options.value);

      const oldTitle = optionsCopy.title;
      optionsCopy.title = optionsCopy.subtitle;
      optionsCopy.subtitle = oldTitle;

      options.value = optionsCopy;
    };
    const rotateLegend = () => {
      const optionsCopy = clone(options.value);

      const currentIdx = positions.indexOf(legend.position ?? "top");
      legend.position = positions[(currentIdx + 1) % positions.length];
      optionsCopy.legend = legend;

      options.value = optionsCopy;
    };

    return {
      options,
      reverseSeries,
      swapTitles,
      rotateLegend,
    };
  },
});

createApp(ChartExample).mount("#app");

export function getData(): any[] {
  return [
    {
      year: "2009",
      ie: 64.97,
      firefox: 26.85,
      safari: 2.79,
      chrome: 1.37,
    },
    {
      year: "2010",
      ie: 54.39,
      firefox: 31.15,
      safari: 4.22,
      chrome: 5.94,
    },
    {
      year: "2011",
      ie: 44.03,
      firefox: 29.36,
      safari: 5.94,
      chrome: 15.01,
    },
    {
      year: "2012",
      ie: 34.27,
      firefox: 22.69,
      safari: 8.09,
      chrome: 25.99,
    },
    {
      year: "2013",
      ie: 26.55,
      firefox: 18.55,
      safari: 10.66,
      chrome: 31.71,
    },
    {
      year: "2014",
      ie: 17.75,
      firefox: 14.77,
      safari: 12.63,
      chrome: 35.85,
    },
    {
      year: "2015",
      ie: 13.3,
      firefox: 11.82,
      safari: 13.79,
      chrome: 42.27,
    },
    {
      year: "2016",
      ie: 8.94,
      firefox: 8.97,
      safari: 12.9,
      chrome: 47.79,
    },
    {
      year: "2017",
      ie: 4.77,
      firefox: 6.75,
      safari: 14.54,
      chrome: 51.76,
    },
    {
      year: "2018",
      ie: 3.2,
      firefox: 5.66,
      safari: 14.44,
      chrome: 56.31,
    },
    {
      year: "2019",
      ie: 2.7,
      firefox: 4.66,
      safari: 15.23,
      chrome: 61.72,
    },
  ];
}