From 5f5f26ba2933fd3164a458cf15c7b833d789021d Mon Sep 17 00:00:00 2001
From: Jerry Hu <4749863+jerry2013@users.noreply.github.com>
Date: Wed, 27 Nov 2024 18:10:46 -0500
Subject: [PATCH 1/2] prevent vscode from constantly restarting tsserver

---
 src/compiler/resolutionCache.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/resolutionCache.ts b/src/compiler/resolutionCache.ts
index 7c69055ec1f66..2590461b02158 100644
--- a/src/compiler/resolutionCache.ts
+++ b/src/compiler/resolutionCache.ts
@@ -1375,7 +1375,8 @@ export function createResolutionCache(resolutionHost: ResolutionCacheHost, rootD
         filePath: Path,
         getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>,
     ) {
-        Debug.checkDefined(resolution.files).delete(filePath);
+        if (!resolution.files) return;
+        resolution.files.delete(filePath);
         if (resolution.files!.size) return;
         resolution.files = undefined;
         const resolved = getResolutionWithResolvedFileName(resolution);

From 6264356c73f2ee2c9ec6a071dca4b3e6bccdf6b3 Mon Sep 17 00:00:00 2001
From: Jerry Hu <4749863+jerry2013@users.noreply.github.com>
Date: Wed, 27 Nov 2024 23:33:53 -0500
Subject: [PATCH 2/2] lint

---
 src/compiler/resolutionCache.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/resolutionCache.ts b/src/compiler/resolutionCache.ts
index 2590461b02158..ee649c6d83ffc 100644
--- a/src/compiler/resolutionCache.ts
+++ b/src/compiler/resolutionCache.ts
@@ -1377,7 +1377,7 @@ export function createResolutionCache(resolutionHost: ResolutionCacheHost, rootD
     ) {
         if (!resolution.files) return;
         resolution.files.delete(filePath);
-        if (resolution.files!.size) return;
+        if (resolution.files.size) return;
         resolution.files = undefined;
         const resolved = getResolutionWithResolvedFileName(resolution);
         if (resolved && resolved.resolvedFileName) {