# vue/no-unused-vars

disallow unused variable definitions of v-for directives or scope attributes

⚙️ This rule is included in all of "plugin:vue/vue3-essential", "plugin:vue/essential", "plugin:vue/vue3-strongly-recommended", "plugin:vue/strongly-recommended", "plugin:vue/vue3-recommended" and "plugin:vue/recommended".

# 📖 Rule Details

This rule report variable definitions of v-for directives or scope attributes if those are not used.

<template>
  <!-- ✓ GOOD -->
  <ol v-for="i in 5">
    <li>{{ i }}</li>
  </ol>

  <!-- ✗ BAD -->
  <ol v-for="i in 5">
    <li>item</li>
  </ol>
</template>

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# 🔧 Options

{
    "vue/no-unused-vars": ["error", {
        "ignorePattern": "^_"
    }]
}

ignorePattern ... disables reporting when your definitions of v-for directives or scope attributes match your ignorePattern Regular expression. default null, will ignore nothing

# 🚀 Suggestion

When your ignorePattern set to ^_, we could provide a suggestion which add a prefix_ to your variable and no more eslint error

# 🚀 Version

This rule was introduced in eslint-plugin-vue v3.14.0

# 🔍 Implementation

← vue/no-unused-components vue/no-use-v-if-with-v-for →