fix(language-core): don't default vueCompilerOptions.lib to @vue/runtime-dom for Vue 2

Author: johnsoncodehk

packages/language-core/lib/utils/ts.ts

@@ -205,7 +205,7 @@ function getPartialVueCompilerOptions(
 
 export function resolveVueCompilerOptions(vueOptions: Partial<VueCompilerOptions>): VueCompilerOptions {
 	const target = vueOptions.target ?? 3.3;
-	const lib = vueOptions.lib || (target < 2.7 ? '@vue/runtime-dom' : 'vue');
+	const lib = vueOptions.lib ?? 'vue';
 	return {
 		...vueOptions,
 		target,
@@ -222,7 +222,7 @@ export function resolveVueCompilerOptions(vueOptions: Partial<VueCompilerOptions
 		optionsWrapper: vueOptions.optionsWrapper ?? (
 			target >= 2.7
 				? [`(await import('${lib}')).defineComponent(`, `)`]
-				: [`(await import('vue')).default.extend(`, `)`]
+				: [`(await import('${lib}')).default.extend(`, `)`]
 		),
 		macros: {
 			defineProps: ['defineProps'],

packages/language-core/schemas/vue-tsconfig.schema.json

@@ -33,7 +33,7 @@
 				},
 				"lib": {
 					"default": "vue",
-					"markdownDescription": "Specify module name for import regular types. (If empty, will use `@vue/runtime-dom` for target < 2.7, `vue` for target >= 2.7)"
+					"markdownDescription": "Specify module name for import regular types."
 				},
 				"jsxSlots": {
 					"type": "boolean",