noVueOptionsApi

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JavaScript (and super languages)

Summary

Diagnostic Category: lint/nursery/noVueOptionsApi
This rule doesn’t have a fix.
The default severity of this rule is error.
This rule belongs to the following domains:
- vue

How to configure

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{
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  "linter": {
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    "rules": {
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      "nursery": {
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        "noVueOptionsApi": "error"
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      }
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    }
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  }
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}

Description

Disallow the use of Vue Options API.

Vue 3.6’s Vapor Mode does not support the Options API. Components must use the Composition API (<script setup> or defineComponent with function signature) instead.

This rule helps prepare codebases for Vapor Mode by detecting Options API patterns that are incompatible with the new rendering mode.

Examples

Invalid

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

code-block.vue:1:16 lint/nursery/noVueOptionsApi ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Using the Options API is not allowed.
  
  > 1 │ export default {
      │                ^
  > 2 │   data() {
  > 3 │     return { count: 0 }
  > 4 │   }
  > 5 │ }
      │ ^
    6 │ 
  
  ℹ Although the Options API is still supported by Vue, using the Composition API is recommended, and makes it possible to use Vue’s Vapor mode for better performance.
  
  ℹ Use <script setup> or defineComponent with a function signature to use the Composition API instead.
  
  ℹ This rule belongs to the nursery group, which means it is not yet stable and may change in the future. Visit https://biomejs.dev/linter/#nursery for more information.

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<script>
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export default {
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  methods: {
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    increment() {
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      this.count++
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    }
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  }
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}
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</script>

code-block.vue:1:16 lint/nursery/noVueOptionsApi ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Using the Options API is not allowed.
  
  > 1 │ export default {
      │                ^
  > 2 │   methods: {
  > 3 │     increment() {
  > 4 │       this.count++
  > 5 │     }
  > 6 │   }
  > 7 │ }
      │ ^
    8 │ 
  
  ℹ Although the Options API is still supported by Vue, using the Composition API is recommended, and makes it possible to use Vue’s Vapor mode for better performance.
  
  ℹ Use <script setup> or defineComponent with a function signature to use the Composition API instead.
  
  ℹ This rule belongs to the nursery group, which means it is not yet stable and may change in the future. Visit https://biomejs.dev/linter/#nursery for more information.

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<script>
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export default {
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  computed: {
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    doubled() {
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      return this.count * 2
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    }
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  }
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}
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</script>

code-block.vue:1:16 lint/nursery/noVueOptionsApi ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Using the Options API is not allowed.
  
  > 1 │ export default {
      │                ^
  > 2 │   computed: {
  > 3 │     doubled() {
  > 4 │       return this.count * 2
  > 5 │     }
  > 6 │   }
  > 7 │ }
      │ ^
    8 │ 
  
  ℹ Although the Options API is still supported by Vue, using the Composition API is recommended, and makes it possible to use Vue’s Vapor mode for better performance.
  
  ℹ Use <script setup> or defineComponent with a function signature to use the Composition API instead.
  
  ℹ This rule belongs to the nursery group, which means it is not yet stable and may change in the future. Visit https://biomejs.dev/linter/#nursery for more information.

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<script>
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export default {
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  mounted() {
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    console.log('Component mounted')
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  }
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}
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</script>

code-block.vue:1:16 lint/nursery/noVueOptionsApi ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Using the Options API is not allowed.
  
  > 1 │ export default {
      │                ^
  > 2 │   mounted() {
  > 3 │     console.log(‘Component mounted’)
  > 4 │   }
  > 5 │ }
      │ ^
    6 │ 
  
  ℹ Although the Options API is still supported by Vue, using the Composition API is recommended, and makes it possible to use Vue’s Vapor mode for better performance.
  
  ℹ Use <script setup> or defineComponent with a function signature to use the Composition API instead.
  
  ℹ This rule belongs to the nursery group, which means it is not yet stable and may change in the future. Visit https://biomejs.dev/linter/#nursery for more information.

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import { defineComponent } from 'vue'
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defineComponent({
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  name: 'MyComponent',
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  data() {
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    return { count: 0 }
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  }
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})

code-block.js:3:17 lint/nursery/noVueOptionsApi ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Using the Options API is not allowed.
  
    1 │ import { defineComponent } from ‘vue’
    2 │ 
  > 3 │ defineComponent({
      │                 ^
  > 4 │   name: ‘MyComponent’,
  > 5 │   data() {
  > 6 │     return { count: 0 }
  > 7 │   }
  > 8 │ })
      │ ^
    9 │ 
  
  ℹ Although the Options API is still supported by Vue, using the Composition API is recommended, and makes it possible to use Vue’s Vapor mode for better performance.
  
  ℹ Use <script setup> or defineComponent with a function signature to use the Composition API instead.
  
  ℹ This rule belongs to the nursery group, which means it is not yet stable and may change in the future. Visit https://biomejs.dev/linter/#nursery for more information.

Valid

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<script setup>
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import { ref } from 'vue'
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const count = ref(0)
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</script>

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<script setup>
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import { ref, computed } from 'vue'
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const count = ref(0)
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const doubled = computed(() => count.value * 2)
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</script>

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<script setup>
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import { onMounted } from 'vue'
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onMounted(() => {
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  console.log('Component mounted')
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})
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</script>

useVueVapor: Enforces the use of Vapor mode in Vue components