Before You File a Bug Report Please Confirm You Have Done The Following...

• I'm usingeslint-plugin-vue.
• I'm sure the problem is a parser problem. (If you are not sure, search for the issue ineslint-plugin-vue repo and open the issue ineslint-plugin-vue repo if there is no solution.
• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.

What version of ESLint are you using?

8.57.0

What version ofeslint-plugin-vue andvue-eslint-parser are you using?

• vue-eslint-parser@9.4.2
• eslint-plugin-vue: irrelevant

What did you do?

import*asvuefrom'vue-eslint-parser';exportdefault[{languageOptions:{parser:vue,parserOptions:{parser:{ts:'@typescript-eslint/parser'}}}}]

<script setup lang="ts">function fn() {}</script>

What did you expect to happen?

There is a child scope for the function declaration nested in themodule scope.

What actually happened?

Themodule scope has no child scopes.

Link to Minimal Reproducible Example

https://github.com/DMartens/vue-eslint-parser-script-custom-parser-scope

Additional comments

This only happens when using a custom parser via thelang attribute.