From b297431b5bd88a9b9dce449ded9a241857aaf5c6 Mon Sep 17 00:00:00 2001
From: Ron Spickenagel <ron@nonara.com>
Date: Fri, 21 Oct 2022 15:10:00 -0400
Subject: [PATCH] fix: More edge cases in ts-node (fixes #163)

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

diff --git a/src/utils/ts-helpers.ts b/src/utils/ts-helpers.ts
index 88b8af77..736dfbad 100755
--- a/src/utils/ts-helpers.ts
+++ b/src/utils/ts-helpers.ts
@@ -98,7 +98,7 @@ export function getTsNodeRegistrationProperties(tsInstance: typeof ts) {
     : void 0;
 
   const fileNames = pcl?.fileNames || config.fileNames;
-  const compilerOptions = Object.assign(config.options, options.compilerOptions, { outDir: pcl?.options.outDir });
+  const compilerOptions = Object.assign({}, config.options, options.compilerOptions, { outDir: pcl?.options.outDir });
 
   return { compilerOptions, fileNames, tsNodeOptions: options };
 }