From fe20f2ef68986fbc01c44d427c692396be293610 Mon Sep 17 00:00:00 2001
From: colisys <17246523+colisys@users.noreply.github.com>
Date: Mon, 27 Oct 2025 00:16:38 +0800
Subject: [PATCH] fix(language-core): manually import typescript for required
 functionalities (#5707)

---
 packages/language-core/lib/compilerOptions.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/language-core/lib/compilerOptions.ts b/packages/language-core/lib/compilerOptions.ts
index 7ae177aedb..ee99e1f8e6 100644
--- a/packages/language-core/lib/compilerOptions.ts
+++ b/packages/language-core/lib/compilerOptions.ts
@@ -18,6 +18,9 @@ export function createParsedCommandLineByJson(
 	json: any,
 	configFileName?: string,
 ): ParsedCommandLine {
+	// manually import here, typescript/lib/tsc doesn't include required functionalities below anymore
+	ts = require('typescript/lib/typescript');
+	
 	const extendedPaths = new Set<string>();
 	const proxyHost = {
 		...host,
@@ -58,6 +61,8 @@ export function createParsedCommandLine(
 	host: ParseConfigHost,
 	configFileName: string,
 ): ParsedCommandLine {
+	// manually import here, typescript/lib/tsc doesn't include required functionalities below anymore
+	ts = require('typescript/lib/typescript');
 	try {
 		const extendedPaths = new Set<string>();
 		const proxyHost = {