Exported data in Vue3 components cannot be accessed inside the component itself

Essentially, I'm working on creating a dynamic array in Vue3. Each time a button is clicked, the length of the array should increase. Below is the code snippet.

<div class="package-item" v-for="n in arraySize"></div>
export default {
  methods: {
    data () {
      return {
        arraySize: 1
      }
    },
    arrayAppend () {
      if (this.arraySize) {
        this.arraySize++
      }
    }
  }
}

An error message related to 'arraySize' has popped up:

Property 'arraySize' does not exist on type '{ data(): { arraySize: number; }; textareacharct(): void; addInline(key: any): void; hoverRender(): number; arrayAppend(): void;

It seems like I'm facing some challenges with Vue. Any guidance or assistance would be greatly appreciated.

I attempted using defineComponent after export default, and whenever I added

import { defineComponent } from 'vue'
I kept encountering an issue stating could not find defineComponent for which I couldn't find a solution ANYWHERE online.

Answer №1

Adding data () directly into my methods turned out to be a big mistake. It caused unnecessary headaches.

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