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author | 2022-06-22 23:21:48 -0700 | |
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committer | 2022-06-22 23:21:48 -0700 | |
commit | 729d445b6885f69dd2c6355f38707bd42851c791 (patch) | |
tree | f87a7c408929ea3f57bbb7ace380cf869da83c0e /src/bun.js/bindings/webcore/JSDOMConvertPromise.h | |
parent | 25f820c6bf1d8ec6d444ef579cc036b8c0607b75 (diff) | |
download | bun-jarred/rename.tar.gz bun-jarred/rename.tar.zst bun-jarred/rename.zip |
change the directory structurejarred/rename
Diffstat (limited to 'src/bun.js/bindings/webcore/JSDOMConvertPromise.h')
-rw-r--r-- | src/bun.js/bindings/webcore/JSDOMConvertPromise.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/JSDOMConvertPromise.h b/src/bun.js/bindings/webcore/JSDOMConvertPromise.h new file mode 100644 index 000000000..e01a99884 --- /dev/null +++ b/src/bun.js/bindings/webcore/JSDOMConvertPromise.h @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>. + * + * 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. AND ITS CONTRIBUTORS ``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 ITS 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. + */ + +#pragma once + +#include "IDLTypes.h" +#include "JSDOMConvertBase.h" +#include "JSDOMPromise.h" +// #include "WorkerGlobalScope.h" + +namespace WebCore { + +template<typename T> struct Converter<IDLPromise<T>> : DefaultConverter<IDLPromise<T>> { + using ReturnType = RefPtr<DOMPromise>; + + // https://webidl.spec.whatwg.org/#es-promise + template<typename ExceptionThrower = DefaultExceptionThrower> + static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower()) + { + JSC::VM& vm = JSC::getVM(&lexicalGlobalObject); + auto scope = DECLARE_THROW_SCOPE(vm); + auto* globalObject = JSC::jsDynamicCast<JSDOMGlobalObject*>(&lexicalGlobalObject); + if (!globalObject) + return nullptr; + + // 1. Let resolve be the original value of %Promise%.resolve. + // 2. Let promise be the result of calling resolve with %Promise% as the this value and V as the single argument value. + auto* promise = JSC::JSPromise::resolvedPromise(globalObject, value); + if (scope.exception()) { + auto* scriptExecutionContext = globalObject->scriptExecutionContext(); + // if (is<WorkerGlobalScope>(scriptExecutionContext)) { + // auto* scriptController = downcast<WorkerGlobalScope>(*scriptExecutionContext).script(); + // bool terminatorCausedException = vm.isTerminationException(scope.exception()); + // if (terminatorCausedException || (scriptController && scriptController->isTerminatingExecution())) { + // scriptController->forbidExecution(); + // return nullptr; + // } + // } + exceptionThrower(lexicalGlobalObject, scope); + return nullptr; + } + ASSERT(promise); + + // 3. Return the IDL promise type value that is a reference to the same object as promise. + return DOMPromise::create(*globalObject, *promise); + } +}; + +template<typename T> struct JSConverter<IDLPromise<T>> { + static constexpr bool needsState = true; + static constexpr bool needsGlobalObject = true; + + static JSC::JSValue convert(JSC::JSGlobalObject&, JSDOMGlobalObject&, DOMPromise& promise) + { + return promise.promise(); + } + + template<template<typename> class U> + static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U<T>& promiseProxy) + { + return promiseProxy.promise(lexicalGlobalObject, globalObject); + } +}; + +} // namespace WebCore |