Userland/Libraries/LibJS/Contrib/Test262/IsHTMLDDA.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

/*
 * Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibJS/Contrib/Test262/IsHTMLDDA.h>
#include <LibJS/Runtime/GlobalObject.h>

namespace JS::Test262 {

IsHTMLDDA::IsHTMLDDA(Realm& realm)
    // NativeFunction without prototype is currently not possible (only due to the lack of a ctor that supports it)
    : NativeFunction("IsHTMLDDA", realm.intrinsics().function_prototype())
{
}

ThrowCompletionOr<Value> IsHTMLDDA::call()
{
    auto& vm = this->vm();
    if (vm.argument_count() == 0)
        return js_null();
    if (vm.argument(0).is_string() && TRY(vm.argument(0).as_string().deprecated_string()).is_empty())
        return js_null();
    // Not sure if this really matters, INTERPRETING.md simply says:
    // * IsHTMLDDA - (present only in implementations that can provide it) an object that:
    //   a. has an [[IsHTMLDDA]] internal slot, and
    //   b. when called with no arguments or with the first argument "" (an empty string) returns null.
    return js_undefined();
}

}