const finalizerRegistry = new FinalizationRegistry((heldValue) => {
  console.log('Finalizing instance: ',heldValue);
});


// 在創建處監聽
const heldValue = Symbol(`DialogCommandComponent_${Date.now()}`);
finalizerRegistry.register(this, heldValue);
console.log(`Constructed instance:`,heldValue);

<template>
  <div>
    <el-button @click="fn2">Reset</el-button>
</div>
<el-dialog v-model="model" destroy-on-close @closed="fn1" append-to-body v-if="destroyDialogModelValue"></el-dialog>
<el-button @click="fn0" v-if="!button" primse>Click</el-button>
<div class="weak" v-if="!button">xxx</div>
<el-input v-if="!button" />
<el-border v-if="!button" />
<el-select v-if="!button">
    <el-option>1111</el-option>
</el-select>
<el-switch v-if="!button" />
<el-radio v-if="!button" />
<el-rate v-if="!button" />
<el-slider v-if="!button" />
<el-time-picker v-if="!button" />
<el-time-select v-if="!button" />
<el-transfer v-if="!button" />
<el-tree-select v-if="!button" />
<el-calendar v-if="!button" />
<el-card v-if="!button" />
<el-carousel height="150px" v-if="!button">
    <el-carousel-item v-for="item in 4" :key="item">
      <h3 class="small justify-center" text="2xl">{{ item }}</h3>
    </el-carousel-item>
</el-carousel>
<el-descriptions title="User Info" v-if="!button">
    <el-descriptions-item label="Username">kooriookami</el-descriptions-item>
</el-descriptions>
<el-table style="width: 100%" v-if="!button">
    <el-table-column prop="date" label="Date" width="180" />
    <el-table-column prop="name" label="Name" width="180" />
    <el-table-column prop="address" label="Address" />
</el-table>
<el-avatar v-if="!button" />
<el-pagination layout="prev, pager, next" :total="50" v-if="!button" />
<el-progress :percentage="50" v-if="!button" />
<el-result icon="success" title="Success Tip" sub-title="Please follow the instructions" v-if="!button">
    <template #extra>
      <el-button type="primary">Back</el-button>
    </template>
</el-result>
<el-skeleton v-if="!button" />
<el-tag v-if="!button" />
<el-timeline v-if="!button" />
<el-tree v-if="!button" />
<el-avatar v-if="!button" />
<el-segmented size="large" v-if="!button" />
<el-dropdown v-if="!button">
    <span class="el-dropdown-link">
      Dropdown List
      <el-icon class="el-icon--right">
        <arrow-down />
      </el-icon>
    </span>
    <template #dropdown>
      <el-dropdown-menu>
        <el-dropdown-item>Action 1</el-dropdown-item>
        <el-dropdown-item>Action 2</el-dropdown-item>
        <el-dropdown-item>Action 3</el-dropdown-item>
        <el-dropdown-item disabled>Action 4</el-dropdown-item>
        <el-dropdown-item divided>Action 5</el-dropdown-item>
      </el-dropdown-menu>
    </template>
</el-dropdown>
<el-menu class="el-menu-demo" mode="horizontal" v-if="!button">
    <el-menu-item index="1">Processing Center</el-menu-item>
    <el-sub-menu index="2">
      <template #title>Workspace</template>
      <el-menu-item index="2-1">item one</el-menu-item>
      <el-menu-item index="2-2">item two</el-menu-item>
      <el-menu-item index="2-3">item three</el-menu-item>
      <el-sub-menu index="2-4">
        <template #title>item four</template>
        <el-menu-item index="2-4-1">item one</el-menu-item>
        <el-menu-item index="2-4-2">item two</el-menu-item>
        <el-menu-item index="2-4-3">item three</el-menu-item>
      </el-sub-menu>
    </el-sub-menu>
    <el-menu-item index="3" disabled>Info</el-menu-item>
    <el-menu-item index="4">Orders</el-menu-item>
</el-menu>

<el-steps style="max-width: 600px" active="0" finish-status="success" v-if="!button">
    <el-step title="Step 1" />
    <el-step title="Step 2" />
    <el-step title="Step 3" />
</el-steps>

<el-tabs class="demo-tabs" v-if="!button">
    <el-tab-pane label="User" name="first">User</el-tab-pane>
    <el-tab-pane label="Config" name="second">Config</el-tab-pane>
    <el-tab-pane label="Role" name="third">Role</el-tab-pane>
    <el-tab-pane label="Task" name="fourth">Task</el-tab-pane>
</el-tabs>

<el-alert title="Success alert" type="success" v-if="!button" />
<el-drawer title="I am the title" v-if="!button">
    <span>Hi, there!</span>
</el-drawer>

<div v-loading="model" v-if="!button"></div>

<el-popconfirm confirm-button-text="Yes" cancel-button-text="No" icon-color="#626AEF"
    title="Are you sure to delete this?" v-if="!button">
    <template #reference>
      <el-button>Delete</el-button>
    </template>
</el-popconfirm>

<el-popover class="box-item" title="Title" content="Top Center prompts info" placement="top" v-if="!button">
    <template #reference>
      <div>top</div>
    </template>
</el-popover>

<el-tooltip class="box-item" effect="dark" content="Top Left prompts info" placement="top-start" v-if="!button">
    <div>top-start</div>
</el-tooltip>
</template>

<script setup>
import { ref } from"vue";
import { ElMessage, ElMessageBox, ElNotification } from"element-plus";

const model = ref(false);
const destroyDialogModelValue = ref(false);
const button = ref(false);

function fn0() {
  model.value = true;
  destroyDialogModelValue.value = true;
  ElMessage("This is a message.");
  ElMessageBox.alert("This is a message", "Title");
  ElNotification({
    title: "Title",
    message: "This is a reminder",
  });
}
function fn1() {
console.log("closed");
  destroyDialogModelValue.value = false;
  button.value = true;
}
function reset() {
  model.value = false
}
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>