no-deprecated-data-object-declaration.md

Pattern: Deprecated data object declaration

Issue: -

Description

This rule reports use of deprecated object declaration on data property (in Vue.js 3.0.0+). The different from vue/no-shared-component-data is the root instance being also disallowed.

createApp({
  /* ✗ BAD */
  data: {
    foo: null
  }
}).mount('#app')

createApp({
  /* ✓ GOOD */
  data () {
    return {
      foo: null
    }
  }
}).mount('#app')

<script>
export default {
  /* ✗ BAD */
  data: {
    foo: null
  }
}
</script>

<script>
export default {
  /* ✓ GOOD */
  data () {
    return {
      foo: null
    }
  }
}
</script>

Further Reading

• eslint-plugin-vue - no-deprecated-data-object-declaration