no-unsupported-features.md

pageClass	sidebarDepth	title	description	since
rule-details	0	vue/no-unsupported-features	disallow unsupported Vue.js syntax on the specified version	v6.1.0

vue/no-unsupported-features

disallow unsupported Vue.js syntax on the specified version

• 🔧 The --fix option on the command line can automatically fix some of the problems reported by this rule.

📖 Rule Details

This rule reports unsupported Vue.js syntax on the specified version.

🔧 Options

{
  "vue/no-unsupported-features": ["error", {
    "version": "^2.6.0",
    "ignores": []
  }]
}

• version ... The version option accepts the valid version range of node-semver. Set the version of Vue.js you are using. This option is required.
• ignores ... You can use this ignores option to ignore the given features. The "ignores" option accepts an array of the following strings.
  • Vue.js 3.2.0+
    • "v-memo" ... v-memo directive.
    • "v-bind-prop-modifier-shorthand" ... v-bind with .prop modifier shorthand.
    • "v-bind-attr-modifier" ... .attr modifier on v-bind directive.
  • Vue.js 3.1.0+
    • "is-attribute-with-vue-prefix" ... is attribute with vue: prefix
  • Vue.js 3.0.0+
    • "v-model-argument" ... argument on v-model
    • "v-model-custom-modifiers" ... custom modifiers on v-model
    • "v-is" ... v-is directive.
  • Vue.js 2.7.0+
    • "style-css-vars-injection" ... SFC CSS variable injection
    • "script-setup" ... <script setup>
  • Vue.js 2.6.0+
    • "dynamic-directive-arguments" ... dynamic directive arguments.
    • "v-slot" ... v-slot directive.
  • Vue.js 2.5.0+
    • "slot-scope-attribute" ... slot-scope attributes.

{"version": "^2.6.0"}

<template>
  <!-- ✓ GOOD -->
  <MyInput v-bind:foo.sync="val" />

  <!-- ✗ BAD -->
  <!-- argument on `v-model` -->
  <MyInput v-model:foo="val" />
  <!-- custom modifiers on `v-model` -->
  <MyComp v-model.foo.bar="text" />
</template>

{"version": "^2.5.0"}

<template>
  <!-- ✓ GOOD -->
  <CustomComponent :foo="val" />
  <ListComponent>
    <template slot="name" slot-scope="props">
      {{ props.title }}
    </template>
  </ListComponent>

  <!-- ✗ BAD -->
  <!-- dynamic directive arguments -->
  <CustomComponent :[foo]="val" />
  <ListComponent>
    <!-- v-slot -->
    <template v-slot:name="props">
      {{ props.title }}
    </template>
    <template #name="props">
      {{ props.title }}
    </template>
  </ListComponent>
</template>

📚 Further Reading

• API - v-memo
• API - v-is
• API - v-is (Old)
• Guide - Dynamic Arguments
• API - v-slot
• API (for v2) - slot-scope
• Vue RFCs - 0001-new-slot-syntax
• Vue RFCs - 0002-slot-syntax-shorthand
• Vue RFCs - 0003-dynamic-directive-arguments
• Vue RFCs - 0005-replace-v-bind-sync-with-v-model-argument
• Vue RFCs - 0011-v-model-api-change
• Vue RFCs - 0040-script-setup
• Vue RFCs - 0043-sfc-style-variables
• Vue RFCs - v-bind .prop shorthand proposal

🚀 Version

This rule was introduced in eslint-plugin-vue v6.1.0

🔍 Implementation

• Rule source
• Test source