src/components/rk-echarts.vue

/** * Licensed to the Apache Software Foundation (ASF) under one or more *
contributor license agreements. See the NOTICE file distributed with * this work
for additional information regarding copyright ownership. * The ASF licenses
this file to You under the Apache License, Version 2.0 * (the "License"); you
may not use this file except in compliance with * the License. You may obtain a
copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless
required by applicable law or agreed to in writing, software * distributed under
the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied. * See the License for the
specific language governing permissions and * limitations under the License. */

<template>
  <div class="echarts" :style="`height:${height};width:${width};`"></div>
</template>

<script lang="ts">
  import Vue from 'vue';
  import { Component, Prop, Watch } from 'vue-property-decorator';
  import echarts from 'echarts/lib/echarts';
  import { Action } from 'vuex-class';
  @Component
  export default class RkEcharts extends Vue {
    @Prop() private option: any;
    @Prop() private clickEvent: any;
    @Prop({ default: false }) private uncombine!: boolean;
    @Prop({ default: '100%' }) private height!: string;
    @Prop({ default: '100%' }) private width!: string;
    @Action('CLEAR_CHARTS') private CLEAR_CHARTS: any;
    private myChart: any = {};
    private mounted(): void {
      this.drawEcharts();
      window.addEventListener('resize', this.myChart.resize);
    }
    private beforeDestroy(): void {
      if (this.myChart.dispose) {
        this.myChart.dispose();
      }
      window.removeEventListener('resize', this.myChart.resize);
    }
    @Watch('option', { deep: true })
    private onoptionChanged(newVal: any, oldVal: any): void {
      if (this.myChart) {
        if (newVal) {
          this.myChart.setOption(newVal, true); // clear cache
        } else {
          this.myChart.setOption(oldVal, true);
        }
      } else {
        this.drawEcharts();
      }
    }
    private drawEcharts(): void {
      const el: any = this.$el;
      this.myChart = echarts.init(el, '');
      this.myChart.setOption(this.option);
      this.myChart.on('click', (params: any) => {
        this.clickEvent(params);
      });
    }
  }
</script>
<style></style>