From d619c51872cd81eac727a7dd659c3c06324a33ea Mon Sep 17 00:00:00 2001
From: Aditya Pandey <aditya@autospace.co>
Date: Thu, 10 Oct 2024 15:05:40 -0500
Subject: [PATCH] Fix build with TS alias without basePath

---
 packages/babel-config/src/common.ts | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/packages/babel-config/src/common.ts b/packages/babel-config/src/common.ts
index 2b3e5b00b02b..5829c7cfaf1b 100644
--- a/packages/babel-config/src/common.ts
+++ b/packages/babel-config/src/common.ts
@@ -140,16 +140,21 @@ export const getPathsFromTypeScriptConfig = (
     return {}
   }
 
-  if (!config.compilerOptions?.baseUrl || !config.compilerOptions?.paths) {
+  if (!config.compilerOptions?.paths) {
     return {}
   }
 
   const { baseUrl, paths } = config.compilerOptions
 
-  // Convert it to absolute path - on windows the baseUrl is already absolute
-  const absoluteBase = path.isAbsolute(baseUrl)
-    ? baseUrl
-    : path.join(rootDir, baseUrl)
+  let absoluteBase: string
+  if (baseUrl) {
+    // Convert it to absolute path - on windows the baseUrl is already absolute
+    absoluteBase = path.isAbsolute(baseUrl)
+      ? baseUrl
+      : path.join(rootDir, baseUrl)
+  } else {
+    absoluteBase = rootDir
+  }
 
   const pathsObj: Record<string, string> = {}
   for (const [key, value] of Object.entries(paths)) {