From b94482dba619ca3a017a7a8ec0876100d87c7445 Mon Sep 17 00:00:00 2001
From: Hiroki Osame <hiroki.osame@gmail.com>
Date: Fri, 28 Jun 2024 21:37:10 +0900
Subject: [PATCH] fix(cjs): implicit resolution to correctly try extensions

---
 src/cjs/api/resolve-implicit-extensions.ts |  6 ++++--
 tests/specs/api.ts                         | 10 +++++++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/cjs/api/resolve-implicit-extensions.ts b/src/cjs/api/resolve-implicit-extensions.ts
index 400731cd..474026a2 100644
--- a/src/cjs/api/resolve-implicit-extensions.ts
+++ b/src/cjs/api/resolve-implicit-extensions.ts
@@ -13,9 +13,11 @@ const tryExtensions = (
 	...args: Parameters<ResolveFilename>
 ) => {
 	for (const extension of implicitlyResolvableExtensions) {
+		const newArgs = args.slice() as Parameters<ResolveFilename>;
+		newArgs[0] += extension;
+
 		try {
-			args[0] += extension;
-			return resolve(...args);
+			return resolve(...newArgs);
 		} catch {}
 	}
 };
diff --git a/tests/specs/api.ts b/tests/specs/api.ts
index bce7f7bb..5354bd2a 100644
--- a/tests/specs/api.ts
+++ b/tests/specs/api.ts
@@ -286,8 +286,16 @@ export default testSuite(({ describe }, node: NodeApis) => {
 						const { message, async } = api.require('./file', __filename);
 						console.log(message);
 						async.then(m => console.log(m.default));
+
+						api.require('./tsx?query=1', __filename);
+						api.require('./jsx', __filename);
+						api.require('./dir?query=3', __filename);
 						`,
 						...tsFiles,
+
+						'tsx.tsx': 'console.log(\'tsx\');',
+						'jsx.jsx': 'console.log(\'jsx\');',
+						'dir/index.jsx': 'console.log(\'dir\');',
 					});
 
 					const { stdout } = await execaNode(fixture.getPath('require.cjs'), [], {
@@ -295,7 +303,7 @@ export default testSuite(({ describe }, node: NodeApis) => {
 						nodeOptions: [],
 					});
 
-					expect(stdout).toBe('foo bar json file.ts\nasync');
+					expect(stdout).toBe('foo bar json file.ts\ntsx\njsx\ndir\nasync');
 				});
 			});
 		});