From 7ec4ca59ceca20dbf4f3888a1788bd5b61115fc4 Mon Sep 17 00:00:00 2001
From: Guy Bedford <guybedford@gmail.com>
Date: Wed, 7 Jul 2021 08:28:32 -0700
Subject: [PATCH] fixup esm check

---
 src/cli.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cli.js b/src/cli.js
index 3acdb06a9..795d075a1 100755
--- a/src/cli.js
+++ b/src/cli.js
@@ -244,7 +244,8 @@ async function runCmd (argv, stdout, stderr) {
       let startTime = Date.now();
       let ps;
       const buildFile = eval("require.resolve")(resolve(args._[1] || "."));
-      const ext = buildFile.endsWith('.cjs') ? '.cjs' : buildFile.endsWith('.mjs') || !hasTypeModule(buildFile) ? '.mjs' : '.js';
+      const esm = buildFile.endsWith('.mjs') || buildFile.endsWith('.js') && hasTypeModule(buildFile);
+      const ext = buildFile.endsWith('.cjs') ? '.cjs' : esm && (buildFile.endsWith('.mjs') || !hasTypeModule(buildFile)) ? '.mjs' : '.js';
       const ncc = require("./index.js")(
         buildFile,
         {