How can I access the rendered HTML element from a component in Vue 3?

This particular component is known as LayerComponent (placeholder).

<script>
export default {
  data() {
    return {
      count: 0
    }
  }
}
</script>

<template>
  <button @click="count++">You have clicked me {{ count }} times.</button>
</template>

I'm looking to retrieve the rendered DOM element within the mounted hook of another component in order to utilize a third-party library, along with accessing the store.

In previous versions of Vue (Vue 2), I achieved this through the following method.

    import Vue from "vue";
    import LayerComponentfrom "./LayerComponent";

  ...other code
  ........
  mounted() {

    const lsComponent = Vue.extend(LayerComponent)
    const domElement= new lsComponent({
      store: this.$store,
    }).$mount();

   let htmlElement = domElement.$el;
//Now I can use this element in vanilla JavaScript.
   }

This process worked effectively in Vue 2.

However, I am seeking guidance on how to achieve the same result using Vue 3.

I've attempted the following approach:

    const lsApp = createApp(LayerComponent);
    lsApp.use(this.$store);

but unfortunately, the store functionality does not seem to work correctly.

Note: I am currently utilizing VueX version 4.

Thank you for any assistance provided.

Answer №1

When using the app.use() method, it requires a Vue plugin to be passed as a parameter. One way to do this is by exporting the store instance with the code snippet

export const store = createStore(options);
. This allows you to pass the store as a parameter in the expression lsApp.use(store);.

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