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LibJS: Add %TypedArray%.prototype.some

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Luke 2021-06-18 17:27:07 +01:00 • committed by Linus Groh
parent 68f11a272b
commit 8be7bdaac3
3 changed files with 86 additions and 0 deletions
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16
Userland/Libraries/LibJS/Runtime/TypedArrayPrototype.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -30,6 +31,7 @@ void TypedArrayPrototype::initialize(GlobalObject& object)
define_native_function(vm.names.find, find, 1, attr);
define_native_function(vm.names.findIndex, find_index, 1, attr);
define_native_function(vm.names.forEach, for_each, 1, attr);
define_native_function(vm.names.some, some, 1, attr);
}
TypedArrayPrototype::~TypedArrayPrototype()
@ -179,6 +181,20 @@ JS_DEFINE_NATIVE_FUNCTION(TypedArrayPrototype::for_each)
return js_undefined();
}
// 23.2.3.25 %TypedArray%.prototype.some ( callbackfn [ , thisArg ] ), https://tc39.es/ecma262/#sec-%typedarray%.prototype.some
JS_DEFINE_NATIVE_FUNCTION(TypedArrayPrototype::some)
{
auto result = false;
for_each_item(vm, global_object, "some", [&](auto, auto, auto callback_result) {
if (callback_result.to_boolean()) {
result = true;
return IterationDecision::Break;
}
return IterationDecision::Continue;
});
return Value(result);
}
// 23.2.3.1 get %TypedArray%.prototype.buffer, https://tc39.es/ecma262/#sec-get-%typedarray%.prototype.buffer
JS_DEFINE_NATIVE_GETTER(TypedArrayPrototype::buffer_getter)
{

2
Userland/Libraries/LibJS/Runtime/TypedArrayPrototype.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -29,6 +30,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(find);
JS_DECLARE_NATIVE_FUNCTION(find_index);
JS_DECLARE_NATIVE_FUNCTION(for_each);
JS_DECLARE_NATIVE_FUNCTION(some);
};
}