fix: babel exclude for hoisted modules (#947)

* fix: Ensures hoisted node_modules are excluded by babel * docs: Adding changeset
developit · Apr 21, 2022 · ecb0b02 · ecb0b02
1 parent 8223eba
commit ecb0b02
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diff --git a/.changeset/hip-olives-allow.md 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
@@ -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,