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/JobCallback.cpp

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Runtime/AbstractOperations.h>
+#include <LibJS/Runtime/JobCallback.h>
+
+namespace JS {
+
+JS_DEFINE_ALLOCATOR(JobCallback);
+
+JS::NonnullGCPtr<JobCallback> JobCallback::create(JS::VM& vm, FunctionObject& callback, OwnPtr<CustomData> custom_data)
+{
+    return vm.heap().allocate_without_realm<JobCallback>(callback, move(custom_data));
+}
+
+void JobCallback::visit_edges(Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_callback);
+}
+
+// 9.5.2 HostMakeJobCallback ( callback ), https://tc39.es/ecma262/#sec-hostmakejobcallback
+JS::NonnullGCPtr<JobCallback> make_job_callback(FunctionObject& callback)
+{
+    // 1. Return the JobCallback Record { [[Callback]]: callback, [[HostDefined]]: empty }.
+    return JobCallback::create(callback.vm(), callback, {});
+}
+
+// 9.5.3 HostCallJobCallback ( jobCallback, V, argumentsList ), https://tc39.es/ecma262/#sec-hostcalljobcallback
+ThrowCompletionOr<Value> call_job_callback(VM& vm, JS::NonnullGCPtr<JobCallback> job_callback, Value this_value, ReadonlySpan<Value> arguments_list)
+{
+    // 1. Assert: IsCallable(jobCallback.[[Callback]]) is true.
+
+    // 2. Return ? Call(jobCallback.[[Callback]], V, argumentsList).
+    return call(vm, job_callback->callback(), this_value, arguments_list);
+}
+
+}