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ecomfe/vue-echarts: Vue.js component for Apache ECharts™.

Vue.js component for Apache ECharts™.

Still using Vue 2? Read v7 docs here →

npm install echarts vue-echarts
Demo → 
<template>
  <v-chart class="chart" :option="option" />
</template>

<script setup>
import { use } from "echarts/core";
import { CanvasRenderer } from "echarts/renderers";
import { PieChart } from "echarts/charts";
import {
  TitleComponent,
  TooltipComponent,
  LegendComponent,
} from "echarts/components";
import VChart, { THEME_KEY } from "vue-echarts";
import { ref, provide } from "vue";

use([
  CanvasRenderer,
  PieChart,
  TitleComponent,
  TooltipComponent,
  LegendComponent,
]);

provide(THEME_KEY, "dark");

const option = ref({
  title: {
    text: "Traffic Sources",
    left: "center",
  },
  tooltip: {
    trigger: "item",
    formatter: "{a} <br/>{b} : {c} ({d}%)",
  },
  legend: {
    orient: "vertical",
    left: "left",
    data: ["Direct", "Email", "Ad Networks", "Video Ads", "Search Engines"],
  },
  series: [
    {
      name: "Traffic Sources",
      type: "pie",
      radius: "55%",
      center: ["50%", "60%"],
      data: [
        { value: 335, name: "Direct" },
        { value: 310, name: "Email" },
        { value: 234, name: "Ad Networks" },
        { value: 135, name: "Video Ads" },
        { value: 1548, name: "Search Engines" },
      ],
      emphasis: {
        itemStyle: {
          shadowBlur: 10,
          shadowOffsetX: 0,
          shadowColor: "rgba(0, 0, 0, 0.5)",
        },
      },
    },
  ],
});
</script>

<style scoped>
.chart {
  height: 400px;
}
</style>

Important

We encourage manually importing components and charts from ECharts for smaller bundle size. We've built an import code generator to help you with that. You can just paste in your option code and we'll generate the precise import code for you.

Try it →

But if you really want to import the whole ECharts bundle without having to import modules manually, just add this in your code:

Drop <script> inside your HTML file and access the component via window.VueECharts.

Demo → 
<script src="https://cdn.jsdelivr.net/npm/echarts@6.0.0"></script>
<script src="https://cdn.jsdelivr.net/npm/vue@3.5.18"></script>
<script src="https://cdn.jsdelivr.net/npm/vue-echarts@8.0.0-beta.1"></script>
const app = Vue.createApp(...)

// register globally (or you can do it locally)
app.component('v-chart', VueECharts)

See more examples here.

You can bind events with Vue's v-on directive.

<template>
  <v-chart :option="option" @highlight="handleHighlight" />
</template>

Note

Only the .once event modifier is supported as other modifiers are tightly coupled with the DOM event system.

Vue ECharts support the following events:

See supported events here →

As Vue ECharts binds events to the ECharts instance by default, there is some caveat when using native DOM events. You need to prefix the event name with native: to bind native DOM events.

<template>
  <v-chart @native:click="handleClick" />
</template>

Vue ECharts provides provide/inject API for theme, init-options, update-options and loading-options to help configuring contextual options. eg. for theme you can use the provide API like this:

Composition API 
import { THEME_KEY } from "vue-echarts";
import { provide } from "vue";

provide(THEME_KEY, "dark");

// or provide a ref
const theme = ref("dark");
provide(THEME_KEY, theme);

// getter is also supported
provide(THEME_KEY, () => theme.value);
Options API 
import { THEME_KEY } from 'vue-echarts'
import { computed } from 'vue'

export default {
  {
    provide: {
      [THEME_KEY]: 'dark'
    }
  }
}

// Or make injections reactive
export default {
  data() {
    return {
      theme: 'dark'
    }
  },
  provide() {
    return {
      [THEME_KEY]: computed(() => this.theme)
    }
  }
}

Note

The following ECharts instance methods aren't exposed because their functionality is already provided by component props:

Vue ECharts allows you to define ECharts option's tooltip.formatter and toolbox.feature.dataView.optionToContent callbacks via Vue slots instead of defining them in your option object. This simplifies custom HTMLElement rendering using familiar Vue templating.

Slot Naming Convention

Example mappings:

The slot props correspond to the first parameter of the callback function.

Usage 
<template>
  <v-chart :option="chartOptions">
    <!-- Global `tooltip.formatter` -->
    <template #tooltip="params">
      <div v-for="(param, i) in params" :key="i">
        <span v-html="param.marker" />
        <span>{{ param.seriesName }}</span>
        <span>{{ param.value[0] }}</span>
      </div>
    </template>

    <!-- Tooltip on xAxis -->
    <template #tooltip-xAxis="params">
      <div>X-Axis : {{ params.value }}</div>
    </template>

    <!-- Data View Content -->
    <template #dataView="option">
      <table>
        <thead>
          <tr>
            <th v-for="(t, i) in option.dataset[0].source[0]" :key="i">
              {{ t }}
            </th>
          </tr>
        </thead>
        <tbody>
          <tr v-for="(row, i) in option.dataset[0].source.slice(1)" :key="i">
            <th>{{ row[0] }}</th>
            <td v-for="(v, i) in row.slice(1)" :key="i">{{ v }}</td>
          </tr>
        </tbody>
      </table>
    </template>
  </v-chart>
</template>

Example →

Note

Slots take precedence over the corresponding callback defined in props.option.

Static methods can be accessed from echarts itself.

CSP: style-src or style-src-elem

If you are both enforcing a strict CSP that prevents inline <style> injection and targeting browsers that don't support the CSSStyleSheet() constructor, you need to manually include vue-echarts/style.css.

Note

Please make sure to read the upgrade guide for ECharts 6 as well.

The following breaking changes are introduced in vue-echarts@8:

Open http://localhost:5173 to see the demo.

The Apache Software Foundation Apache ECharts, ECharts, Apache, the Apache feather, and the Apache ECharts project logo are either registered trademarks or trademarks of the Apache Software Foundation.

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