Few fixes

Author: Janpot

.mocharc.js

@@ -20,4 +20,7 @@ module.exports = {
     '**/build/**',
     'docs/.next/**',
   ],
+  // detect-modules doesn't work with @babel/register
+  // https://github.com/babel/babel/issues/6737
+  'node-option': ['no-experimental-detect-module'],
 };

package.json

@@ -132,6 +132,7 @@
     "@pigment-css/react": "0.0.30",
     "@playwright/test": "1.51.1",
     "@types/babel__core": "^7.20.5",
+    "@types/babel__register": "^7.17.3",
     "@types/fs-extra": "^11.0.4",
     "@types/lodash": "^4.17.16",
     "@types/mocha": "^10.0.10",

packages-internal/test-utils/src/setupBabel.js

@@ -1,3 +1,3 @@
 require('@babel/register')({
-  extensions: ['.js', '.mjs', '.ts', '.tsx'],
+  extensions: ['.js', '.mjs', '.cjs', '.jsx', '.ts', '.tsx'],
 });