fix: redo directoryExists()

close vuejs/language-tools#3332
volarjs · Jun 28, 2023 · b1344bf · b1344bf
1 parent c28b1b3
commit b1344bf
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/packages/typescript/src/languageServiceHost.ts b/packages/typescript/src/languageServiceHost.ts
@@ -42,7 +42,7 @@ export function createLanguageServiceHost(
 		},
 		readDirectory,
 		getDirectories,
-		directoryExists: undefined, // ignore for better performance
+		directoryExists,
 		fileExists,
 		getProjectVersion: () => {
 			return tsProjectVersion + ':' + sys.version;
@@ -258,6 +258,11 @@ export function createLanguageServiceHost(
 		return sys.getModifiedTime?.(fileName)?.valueOf().toString() ?? '';
 	}
 
+	function directoryExists(dirName: string): boolean {
+		return sys.directoryExists(dirName)
+			|| tsFileNames.some(fileName => fileName.toLowerCase().startsWith(dirName.toLowerCase()));
+	}
+
 	function fileExists(fileName: string) {
 
 		// virtual files