vue/valid-define-emits

enforce valid defineEmits compiler macro

⚙️ This rule is included in all of "plugin:vue/vue3-essential", *.configs["flat/essential"], "plugin:vue/essential", *.configs["flat/vue2-essential"], "plugin:vue/vue3-strongly-recommended", *.configs["flat/strongly-recommended"], "plugin:vue/strongly-recommended", *.configs["flat/vue2-strongly-recommended"], "plugin:vue/vue3-recommended", *.configs["flat/recommended"], "plugin:vue/recommended" and *.configs["flat/vue2-recommended"].

This rule checks whether defineEmits compiler macro is valid.

📖 Rule Details

This rule reports defineEmits compiler macros in the following cases:

defineEmits is referencing locally declared variables.
defineEmits has both a literal type and an argument. e.g. defineEmits<(e: 'foo')=>void>(['bar'])
defineEmits has been called multiple times.
Custom events are defined in both defineEmits and export default {}.
Custom events are not defined in either defineEmits or export default {}.

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This rule was introduced in eslint-plugin-vue v7.13.0