vue/define-emits-declaration ​

enforce declaration style of defineEmits

📖 Rule Details ​

This rule enforces defineEmits typing style which you should use type-based, strict type-literal (introduced in Vue 3.3), or runtime declaration.

This rule only works in setup script and lang="ts".

🔧 Options ​

"vue/define-emits-declaration": ["error", "type-based" | "type-literal" | "runtime"]

• type-based (default) enforces type based declaration
• type-literal enforces strict "type literal" type based declaration
• runtime enforces runtime declaration

runtime ​

type-literal ​

👫 Related Rules ​

• vue/define-props-declaration
• vue/valid-define-emits

📚 Further Reading ​

• defineEmits
• Typescript-only-features of defineEmits
• Guide - Typing-component-emits

🚀 Version ​

This rule was introduced in eslint-plugin-vue v9.5.0

🔍 Implementation ​

• Rule source
• Test source