Revert "fix: remove renaming of cjs files"

This reverts commit 420a7b4.

Author: axe312ger

rollup.config.js

@@ -1,4 +1,4 @@
-import { resolve, dirname } from 'path';
+import { resolve, extname, dirname } from 'path';
 import { fileURLToPath } from 'url'
 
 import pkg from './package.json' with { type: 'json' }
@@ -15,6 +15,25 @@ import { babel } from '@rollup/plugin-babel'
 
 const __dirname = dirname(fileURLToPath(import.meta.url))
 
+function renameJsToCjs() {
+  return {
+    name: 'rename-js-to-cjs',
+    generateBundle(options, bundle) {
+      for (const [fileName, file] of Object.entries(bundle)) {
+        if (file.type === 'chunk' && extname(fileName) === '.js') {
+          const newFileName = fileName.replace(/\.js$/, '.cjs');
+
+          // Emit new file with updated name and same code
+          this.emitFile({ type: 'asset', fileName: newFileName, source: file.code });
+
+          // Remove old .js entry
+          delete bundle[fileName];
+        }
+      }
+    },
+  };
+}
+
 const baseConfig = {
   input: 'dist/esm-raw/index.js',
   output: {
@@ -67,7 +86,8 @@ const cjsConfig = {
       preventAssignment: true,
       'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
       __VERSION__: JSON.stringify(pkg.version),
-    })
+    }),
+    renameJsToCjs()
   ],
 }