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LibJS: Convert the NewPromiseCapability AO to ThrowCompletionOr

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Idan Horowitz 2021-10-23 03:34:48 +03:00 • committed by Andreas Kling
parent 2b87f77578
commit 0d602c5ec5
6 changed files with 19 additions and 41 deletions
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24
Userland/Libraries/LibJS/Runtime/PromiseReaction.cpp
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@ -13,13 +13,11 @@
namespace JS {
// 27.2.1.5 NewPromiseCapability ( C ), https://tc39.es/ecma262/#sec-newpromisecapability
PromiseCapability new_promise_capability(GlobalObject& global_object, Value constructor)
ThrowCompletionOr<PromiseCapability> new_promise_capability(GlobalObject& global_object, Value constructor)
{
auto& vm = global_object.vm();
if (!constructor.is_constructor()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAConstructor, constructor.to_string_without_side_effects());
return {};
}
if (!constructor.is_constructor())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAConstructor, constructor.to_string_without_side_effects());
struct {
Value resolve { js_undefined() };
@ -46,18 +44,14 @@ PromiseCapability new_promise_capability(GlobalObject& global_object, Value cons
MarkedValueList arguments(vm.heap());
arguments.append(executor);
auto* promise = TRY_OR_DISCARD(construct(global_object, constructor.as_function(), move(arguments)));
auto* promise = TRY(construct(global_object, constructor.as_function(), move(arguments)));
if (!promise_capability_functions.resolve.is_function()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAFunction, promise_capability_functions.resolve.to_string_without_side_effects());
return {};
}
if (!promise_capability_functions.reject.is_function()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAFunction, promise_capability_functions.reject.to_string_without_side_effects());
return {};
}
if (!promise_capability_functions.resolve.is_function())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAFunction, promise_capability_functions.resolve.to_string_without_side_effects());
if (!promise_capability_functions.reject.is_function())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAFunction, promise_capability_functions.reject.to_string_without_side_effects());
return {
return PromiseCapability {
promise,
&promise_capability_functions.resolve.as_function(),
&promise_capability_functions.reject.as_function(),