Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Runtime/Intl/NumberFormatFunction.cpp

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2021-2024, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Runtime/GlobalObject.h>
+#include <LibJS/Runtime/Intl/NumberFormat.h>
+#include <LibJS/Runtime/Intl/NumberFormatFunction.h>
+
+namespace JS::Intl {
+
+JS_DEFINE_ALLOCATOR(NumberFormatFunction);
+
+// 15.5.2 Number Format Functions, https://tc39.es/ecma402/#sec-number-format-functions
+NonnullGCPtr<NumberFormatFunction> NumberFormatFunction::create(Realm& realm, NumberFormat& number_format)
+{
+    return realm.heap().allocate<NumberFormatFunction>(realm, number_format, realm.intrinsics().function_prototype());
+}
+
+NumberFormatFunction::NumberFormatFunction(NumberFormat& number_format, Object& prototype)
+    : NativeFunction(prototype)
+    , m_number_format(number_format)
+{
+}
+
+void NumberFormatFunction::initialize(Realm& realm)
+{
+    auto& vm = this->vm();
+
+    Base::initialize(realm);
+    define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
+    define_direct_property(vm.names.name, PrimitiveString::create(vm, String {}), Attribute::Configurable);
+}
+
+ThrowCompletionOr<Value> NumberFormatFunction::call()
+{
+    auto& vm = this->vm();
+
+    // 1. Let nf be F.[[NumberFormat]].
+    // 2. Assert: Type(nf) is Object and nf has an [[InitializedNumberFormat]] internal slot.
+    // 3. If value is not provided, let value be undefined.
+    auto value = vm.argument(0);
+
+    // 4. Let x be ? ToIntlMathematicalValue(value).
+    auto mathematical_value = TRY(to_intl_mathematical_value(vm, value));
+
+    // 5. Return ? FormatNumeric(nf, x).
+    auto formatted = format_numeric(m_number_format, move(mathematical_value));
+    return PrimitiveString::create(vm, move(formatted));
+}
+
+void NumberFormatFunction::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_number_format);
+}
+
+}