From b4027fd92ac38f9426e29982bd444fa197754f33 Mon Sep 17 00:00:00 2001
From: Felix Roos <flix91@gmail.com>
Date: Sun, 30 Mar 2025 11:36:50 +0200
Subject: [PATCH] fix: mondo dont mutate (breaks lambdas)

---
 packages/mondo/mondo.mjs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/mondo/mondo.mjs b/packages/mondo/mondo.mjs
index 673841cd..0e8dc857 100644
--- a/packages/mondo/mondo.mjs
+++ b/packages/mondo/mondo.mjs
@@ -343,8 +343,9 @@ export class MondoRunner {
         return this.evaluate(body, scope);
       };
     }
-    // evaluate all children before evaluating list
-    ast.children = ast.children.map((arg) => this.evaluate(arg, scope));
-    return this.evaluator(ast, scope);
+    // evaluate all children before evaluating list (dont mutate!!!)
+    const args = ast.children.map((arg) => this.evaluate(arg, scope));
+    const node = { type: 'list', children: args };
+    return this.evaluator(node, scope);
   }
 }