From f5f508ae75752f71f937d0d1b60ecd7037a6bb3a Mon Sep 17 00:00:00 2001
From: Eduardo San Martin Morote <posva13@gmail.com>
Date: Wed, 4 Jan 2023 11:30:55 +0100
Subject: [PATCH] fix: stricter extension check

---
 src/core/utils.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/utils.ts b/src/core/utils.ts
index 41902639b..3796799ec 100644
--- a/src/core/utils.ts
+++ b/src/core/utils.ts
@@ -63,8 +63,8 @@ export function trimExtension(
   extensions: ResolvedOptions['extensions']
 ) {
   for (const extension of extensions) {
-    const lastDot = path.lastIndexOf(extension)
-    if (lastDot > -1) {
+    const lastDot = path.endsWith(extension) ? -extension.length : 0
+    if (lastDot < 0) {
       // usually only one extension should match
       return path.slice(0, lastDot)
     }