LibJS: Set empty prototype for console object

Author: https://github.com/GasimGasimzada
Commit: https://github.com/LadybirdBrowser/ladybird/commit/4a42c97f4d3
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1014
Reviewed-by: https://github.com/tcl3 ✅

Tests/LibWeb/Text/expected/console/console-prototype.txt

@@ -0,0 +1,2 @@
+0
+Prototype of console prototype is Object.prototype

Tests/LibWeb/Text/input/console/console-prototype.html

@@ -0,0 +1,15 @@
+<script src="../include.js"></script>
+<script>
+    test(() => {
+       const p1 = Object.getPrototypeOf(console)
+       const p2 = Object.getPrototypeOf(p1)
+
+       println(Object.getOwnPropertyNames(p1).length)
+
+       if (p2 == Object.prototype) {
+        println("Prototype of console prototype is Object.prototype")
+       } else {
+        println("Prototype of console prototype is NOT Object.prototype")
+       }
+    });
+</script>

Userland/Libraries/LibJS/CMakeLists.txt

@@ -68,6 +68,7 @@ set(SOURCES
     Runtime/BooleanPrototype.cpp
     Runtime/BoundFunction.cpp
     Runtime/Completion.cpp
+    Runtime/ConsoleObjectPrototype.cpp
     Runtime/ConsoleObject.cpp
     Runtime/DataView.cpp
     Runtime/DataViewConstructor.cpp

Userland/Libraries/LibJS/Runtime/ConsoleObject.cpp

@@ -8,14 +8,20 @@
 
 #include <LibJS/Console.h>
 #include <LibJS/Runtime/ConsoleObject.h>
+#include <LibJS/Runtime/ConsoleObjectPrototype.h>
 #include <LibJS/Runtime/GlobalObject.h>
 
 namespace JS {
 
 JS_DEFINE_ALLOCATOR(ConsoleObject);
 
+static NonnullGCPtr<ConsoleObjectPrototype> create_console_prototype(Realm& realm)
+{
+    return realm.heap().allocate<ConsoleObjectPrototype>(realm, realm);
+}
+
 ConsoleObject::ConsoleObject(Realm& realm)
-    : Object(ConstructWithPrototypeTag::Tag, realm.intrinsics().object_prototype())
+    : Object(ConstructWithPrototypeTag::Tag, create_console_prototype(realm))
 {
 }
 

Userland/Libraries/LibJS/Runtime/ConsoleObjectPrototype.cpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024, Gasim Gasimzada <gasim@gasimzada.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "ConsoleObjectPrototype.h"
+
+#include <AK/ByteString.h>
+#include <AK/Function.h>
+#include <LibJS/Runtime/AbstractOperations.h>
+#include <LibJS/Runtime/Accessor.h>
+#include <LibJS/Runtime/BooleanObject.h>
+#include <LibJS/Runtime/Completion.h>
+#include <LibJS/Runtime/Date.h>
+#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/NumberObject.h>
+#include <LibJS/Runtime/ObjectPrototype.h>
+#include <LibJS/Runtime/RegExpObject.h>
+#include <LibJS/Runtime/StringObject.h>
+#include <LibJS/Runtime/Value.h>
+
+namespace JS {
+
+JS_DEFINE_ALLOCATOR(ConsoleObjectPrototype);
+
+ConsoleObjectPrototype::ConsoleObjectPrototype(JS::Realm& realm)
+    : Object(JS::Object::ConstructWithPrototypeTag::Tag, realm.intrinsics().object_prototype())
+{
+}
+
+void ConsoleObjectPrototype::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+}
+
+}

Userland/Libraries/LibJS/Runtime/ConsoleObjectPrototype.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024, Gasim Gasimzada <gasim@gasimzada.net>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibJS/Runtime/Object.h>
+
+namespace JS {
+
+class ConsoleObjectPrototype final : public Object {
+    JS_OBJECT(ConsoleObjectPrototype, Object);
+    JS_DECLARE_ALLOCATOR(ConsoleObjectPrototype);
+
+public:
+    virtual void initialize(JS::Realm&) override;
+    virtual ~ConsoleObjectPrototype() override = default;
+
+private:
+    explicit ConsoleObjectPrototype(JS::Realm&);
+};
+
+}