# vue/require-v-for-key

require v-bind:key with v-for directives

  • ⚙️ 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 reports the elements which have v-for and do not have v-bind:key with exception to custom components.

<template> <!-- ✓ GOOD --> <div v-for="todo in todos" :key="todo.id" /> <!-- ✗ BAD --> <div v-for="todo in todos"/> </template>
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This rule does not report missing v-bind:key on custom components. It will be reported by vue/valid-v-for rule.

# 🔧 Options


# 📚 Further Reading

# 🚀 Version

This rule was introduced in eslint-plugin-vue v3.0.0

# 🔍 Implementation