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".

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🔧 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

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type-literal

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👫 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