# vue/require-v-for-key
require
v-bind:key
withv-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>
Note
This rule does not report missing v-bind:key
on custom components.
It will be reported by vue/valid-v-for rule.
# 🔧 Options
Nothing.
# 👫 Related Rules
# 📚 Further Reading
- Style guide - Keyed v-for (opens new window)
- Guide (for v2) - v-for with a Component (opens new window)
# 🚀 Version
This rule was introduced in eslint-plugin-vue v3.0.0