From 7fd9f995a81c218625c4a3d1950322735c6b33f1 Mon Sep 17 00:00:00 2001
From: Tobias Kuhnert <tobias.kuhnert@1io.com>
Date: Mon, 10 Oct 2022 13:35:08 +0200
Subject: [PATCH] fix(typescript): don't resolve filtered files (#1267)

---
 packages/typescript/src/index.ts | 1 +
 packages/typescript/test/test.js | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/typescript/src/index.ts b/packages/typescript/src/index.ts
index 4aef44624..3b75673a5 100644
--- a/packages/typescript/src/index.ts
+++ b/packages/typescript/src/index.ts
@@ -125,6 +125,7 @@ export default function typescript(options: RollupTypescriptOptions = {}): Plugi
 
       if (resolved) {
         if (/\.d\.[cm]?ts/.test(resolved.extension)) return null;
+        if (!filter(resolved.resolvedFileName)) return null;
         return path.normalize(resolved.resolvedFileName);
       }
 
diff --git a/packages/typescript/test/test.js b/packages/typescript/test/test.js
index 7eb04ebaa..4d53409d9 100644
--- a/packages/typescript/test/test.js
+++ b/packages/typescript/test/test.js
@@ -999,8 +999,8 @@ test.serial('does it fail for filtering with incorrect rootDir in nested project
       plugins: [typescript({ tsconfig: 'tsconfig.json' })]
     })
   );
-  // Will throw parse error because it includes a typescript file outside CWD
-  t.is(error.code, 'PARSE_ERROR');
+  // It imports a typescript file outside CWD, hence will not get resolved
+  t.is(error.code, 'UNRESOLVED_IMPORT');
 });
 
 test.serial('does manually setting filterRoot resolve nested projects', async (t) => {