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vue/require-v-for-key
require `v-bind:key` with `v-for` directives

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>

::: warning 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

🔍 Implementation