From 65ab0280e1a19d89cafc1d984762c2ab23096cc7 Mon Sep 17 00:00:00 2001
From: JaCraig <craig.jamesa@gmail.com>
Date: Wed, 23 Oct 2024 11:39:31 -0400
Subject: [PATCH] fix(typescript): fix path validation issue in validatePaths
 function

---
 packages/typescript/src/options/validate.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/typescript/src/options/validate.ts b/packages/typescript/src/options/validate.ts
index c772ac0c1..5cb6a4c38 100644
--- a/packages/typescript/src/options/validate.ts
+++ b/packages/typescript/src/options/validate.ts
@@ -65,6 +65,11 @@ export function validatePaths(
             `@rollup/plugin-typescript: Path of Typescript compiler option '${dirProperty}' must be located inside Rollup 'dir' option.`
           );
         }
+      } else if(dirProperty === 'outDir') {
+        const fromTsDirToRollup = relative(compilerOptions[dirProperty],outputDir);
+        if (fromTsDirToRollup.startsWith('..')) {
+            context.error(`@rollup/plugin-typescript: Path of Typescript compiler option '${dirProperty}' must be located inside the same directory as the Rollup 'file' option.`);
+        }
       } else {
         const fromTsDirToRollup = relative(outputDir, compilerOptions[dirProperty]!);
         if (fromTsDirToRollup.startsWith('..')) {