darling-JavaScriptCore/builtins/ReflectObject.js

62 lines
2.4 KiB
JavaScript

/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// https://tc39.github.io/ecma262/#sec-reflect.apply
function apply(target, thisArgument, argumentsList)
{
"use strict";
if (!@isCallable(target))
@throwTypeError("Reflect.apply requires the first argument be a function");
if (!@isObject(argumentsList))
@throwTypeError("Reflect.apply requires the third argument be an object");
return target.@apply(thisArgument, argumentsList);
}
// https://tc39.github.io/ecma262/#sec-reflect.deleteproperty
function deleteProperty(target, propertyKey)
{
// Intentionally keep the code the sloppy mode to suppress the TypeError
// raised by the delete operator under the strict mode.
if (!@isObject(target))
@throwTypeError("Reflect.deleteProperty requires the first argument be an object");
return delete target[propertyKey];
}
// https://tc39.github.io/ecma262/#sec-reflect.has
function has(target, propertyKey)
{
"use strict";
if (!@isObject(target))
@throwTypeError("Reflect.has requires the first argument be an object");
return propertyKey in target;
}