src/types/shims-vue.d.ts

@@ -1,8 +1,11 @@
 declare module 'vue' {
 	import { CompatVue } from '@vue/runtime-dom'
 	const Vue: CompatVue
-  export default Vue
-  export * from '@vue/runtime-dom'
+	export default Vue
+	export * from '@vue/runtime-dom'
+
+	const { configureCompat } = Vue
+	export { configureCompat }
 }
 
 // https://next.vuex.vuejs.org/guide/migrating-to-4-0-from-3-x.html#typescript-support