Add more specific check for lib files on web

Author: mjbvz

extensions/typescript-language-features/src/typescriptServiceClient.ts

@@ -722,8 +722,8 @@ export default class TypeScriptServiceClient extends Disposable implements IType
 
 	public toResource(filepath: string): vscode.Uri {
 		if (isWeb()) {
-			// On web, treat absolute paths as pointing to standard lib files
-			if (filepath.startsWith('/')) {
+			// On web, the stdlib paths that TS return look like: '/lib.es2015.collection.d.ts'
+			if (filepath.startsWith('/lib.') && filepath.endsWith('.d.ts')) {
 				return vscode.Uri.joinPath(this.context.extensionUri, 'dist', 'browser', 'typescript', filepath.slice(1));
 			}
 		}