vue3中使用wavesurfer插件 动态生成id

需求最终实现的是对话这种，音频+文字的对话

使用方法：

npm install wavesurfer.js --save

官方文档：

https://wavesurfer-js.org/

参数，方法可以去文档查看

直接放封装组件代码

开发背景vue3+ts
WaveSurfer.vue

<template>
  <Spin :tip="null" :spinning="loadLoading">
    <div :class="`wave-surfer-${index}`" class="flex items-center">
      <Icon class="playIcon" :icon="icon" prefix="ali" @click="playMusic" />
    </div>
  </Spin>
</template>
<script lang="ts">
  import { Spin } from 'ant-design-vue';
  import { defineComponent, toRefs, ref, onMounted, nextTick, h } from 'vue';
  import WaveSurfer from 'wavesurfer.js';

  import Icon from '/@/components/Icon';

  export default defineComponent({
    name: 'WaveSurfer',
    components: { Icon, Spin },
    props: {
      waveSrc: {
        type: String,
        default: 'http://localhost:3100/src/components/WaveSurfer/src/01.mp3',
      },
      index: {
        type: Number,
      },
    },

    setup(props) {
      const { waveSrc, index } = toRefs(props);
      const icon = ref('icon-bofang');
      let wavesurfer = [];
      const loadLoading = ref(false);

      function render(id, selector, url) {
        loadLoading.value = true;
        var domEl = document.createElement('div');
        domEl.setAttribute('id', 't-' + id);
        domEl.setAttribute('class', 'waveform');
        document.querySelector(selector).appendChild(domEl);
        let trackid = 't-' + id;
        wavesurfer[trackid] = WaveSurfer.create({
          container: domEl,
          waveColor: '#C2C2C2',
          progressColor: '#2273FF',
          cursorColor: '#fff',
          height: 18,
          barWidth: 2,
          barGap: 1,
        });

        wavesurfer[trackid].load(url);
        wavesurfer[trackid].on('error', function (e) {
          console.warn(e);
        });
        wavesurfer[trackid].on('ready', function () {
          console.log('111111');
          loadLoading.value = false;
        });

        return wavesurfer[trackid];
      }
      onMounted(() => {
        nextTick(() => {
          render(index.value, '.wave-surfer-' + index.value, waveSrc.value);
        });
      });
      function playMusic() {
        let trackid = 't-' + index.value;
        if (icon.value == 'icon-bofang') {
          icon.value = 'icon-zanting';
          wavesurfer[trackid].play();
        } else {
          icon.value = 'icon-bofang';
          wavesurfer[trackid].playPause();
        }
      }

      return {  playMusic, icon, loadLoading };
    },
  });
</script>
<style lang="less">
  .playIcon {
    line-height: 18px;
    font-size: 18px;
    margin-right: 8px;
    cursor: pointer;
  }
  .waveform {
    width: calc(100% - 18px);
  }
</style>