# vue/no-deprecated-data-object-declaration

disallow using deprecated object declaration on data (in Vue.js 3.0.0+)

⚙️ This rule is included in all of "plugin:vue/vue3-essential", "plugin:vue/vue3-strongly-recommended" and "plugin:vue/vue3-recommended".
🔧 The --fix option on the command line (opens new window) can automatically fix some of the problems reported by this rule.

# 📖 Rule Details

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.

See Migration Guide - Data Option (opens new window) for more details.

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

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

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

Now loading...

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

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# 🔧 Options

Nothing.

# 📚 Further Reading

# 🚀 Version

This rule was introduced in eslint-plugin-vue v7.0.0

# 🔍 Implementation

← vue/valid-v-text vue/no-deprecated-destroyed-lifecycle →