src/components/rk-echarts.vue

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<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) => {
        if (!this.clickEvent) {
          return;
        }
        this.clickEvent(params);
      });
    }
  }
</script>
<style></style>