Is the 'el' property used in Vue along with TypeScript when working with vue-property-decorator/vue-class-component?

Keep this question short and sweet. How would you rewrite the code snippet below using TypeScript, Vue, and vue-property-decorator?

@Component({
  el: '#app',
  data() {
    return {
      message: 'Hello Vue!'
    }
  }
})
export default class App extends Vue {
}

Answer №1

vue-property-decorator is a tool designed to enhance Vue components by incorporating class-style syntax in TypeScript. However, the provided code does not meet this criteria as it is not structured as a component. Let's assume that you intended to convert the script found in this single-file-component:

App.vue:

<script>
export default {
  data() {
    return {
      message: 'Hello Vue!'
    }
  }
}
</script>

If you were to use vue-property-decorator for conversion, it would look like this:

<script lang="ts">
import { Component, Vue } from 'vue-property-decorator';

@Component
export default class App extends Vue {
  message = 'Hello Vue!'
}
</script>

The process of mounting the root remains unchanged (vue-property-decorator is not utilized):

<!-- index.html -->
<body>
  <div id="app"></div>

  <script>
    new Vue({
      el: '#app'
    });
  </script>
</body>

I suggest creating a TypeScript project using vue-cli (select the TypeScript preset and choose "class-style syntax" when prompted).

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