From 6a88d790c96432eb28611cc6171cd6e6dd3bd150 Mon Sep 17 00:00:00 2001
From: Alec Larson <1925840+aleclarson@users.noreply.github.com>
Date: Wed, 20 Apr 2022 13:16:26 -0400
Subject: [PATCH] fix: tolerate an undefined `baseUrl` compiler option

---
 src/config-loader.ts | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/src/config-loader.ts b/src/config-loader.ts
index 3b5c7dc..71dfda2 100644
--- a/src/config-loader.ts
+++ b/src/config-loader.ts
@@ -22,7 +22,7 @@ export interface ConfigLoaderParams {
 export interface ConfigLoaderSuccessResult {
   resultType: "success";
   configFileAbsolutePath: string;
-  baseUrl: string;
+  baseUrl?: string;
   absoluteBaseUrl: string;
   paths: { [key: string]: Array<string> };
   mainFields?: Array<string>;
@@ -76,21 +76,15 @@ export function configLoader({
     };
   }
 
-  if (!loadResult.baseUrl) {
-    return {
-      resultType: "failed",
-      message: "Missing baseUrl in compilerOptions",
-    };
-  }
-
-  const tsConfigDir = path.dirname(loadResult.tsConfigPath);
-  const absoluteBaseUrl = path.join(tsConfigDir, loadResult.baseUrl);
-
   return {
     resultType: "success",
     configFileAbsolutePath: loadResult.tsConfigPath,
     baseUrl: loadResult.baseUrl,
-    absoluteBaseUrl,
+    absoluteBaseUrl: path.join(
+      path.dirname(loadResult.tsConfigPath),
+      loadResult.baseUrl || ""
+    ),
     paths: loadResult.paths || {},
+    addMatchAll: loadResult.baseUrl !== undefined,
   };
 }