Update

esbuild.ts

@@ -12,7 +12,6 @@ import type { types as t } from '@babel/core';
 import { dependencies } from './dist/package.json';
 import { createMacro, type MacroHandler } from 'babel-plugin-macros';
 
-const args = process.argv.slice(2);
 const ENV = process.env.NODE_ENV || 'development';
 const PROD = ENV === 'production';
 
@@ -81,6 +80,15 @@ const map = new HandlerMap()
   .set(
     'string.prototype.matchall',
     proto(t => t.identifier('matchAll')),
+  )
+  .set(
+    'object.groupby',
+    replace(t =>
+      t.memberExpression(
+        t.callExpression(t.identifier('require'), [t.stringLiteral('lodash')]),
+        t.identifier('groupBy'),
+      ),
+    ),
   );
 
 function replace(getReplacement: (types: typeof t) => t.Expression): MacroHandler {