From ecb0b022912397bcf98550c1a783e9e0534f33e5 Mon Sep 17 00:00:00 2001
From: Ryan Christian <33403762+rschristian@users.noreply.github.com>
Date: Thu, 21 Apr 2022 08:47:34 -0500
Subject: [PATCH] fix: babel exclude for hoisted modules (#947)

* fix: Ensures hoisted node_modules are excluded by babel

* docs: Adding changeset
---
 .changeset/hip-olives-allow.md | 5 +++++
 src/index.js                   | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/hip-olives-allow.md

diff --git a/.changeset/hip-olives-allow.md b/.changeset/hip-olives-allow.md
new file mode 100644
index 00000000..fd808e26
--- /dev/null
+++ b/.changeset/hip-olives-allow.md
@@ -0,0 +1,5 @@
+---
+'microbundle': patch
+---
+
+Ensures hoisted node_modules are excluded from babel
diff --git a/src/index.js b/src/index.js
index f2ed30b0..c483152c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -570,7 +570,8 @@ function createConfig(options, entry, format, writeMeta) {
 					customBabel()({
 						babelHelpers: 'bundled',
 						extensions: EXTENSIONS,
-						exclude: 'node_modules/**',
+						// use a regex to make sure to exclude eventual hoisted packages
+						exclude: /\/node_modules\//,
 						passPerPreset: true, // @see https://babeljs.io/docs/en/options#passperpreset
 						custom: {
 							defines,