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LibJS: Add Value::is_nullish()

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This commit is contained in:
Andreas Kling 2020-10-02 16:00:15 +02:00
parent ef1b21004f
commit fa18baf3e8
9 changed files with 22 additions and 21 deletions
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24
Libraries/LibJS/Runtime/ProxyObject.cpp
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@ -82,7 +82,7 @@ Object* ProxyObject::prototype()
auto trap = m_handler.get("getPrototypeOf");
if (vm().exception())
return nullptr;
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.prototype();
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "getPrototypeOf");
@ -131,7 +131,7 @@ bool ProxyObject::set_prototype(Object* object)
auto trap = m_handler.get("setPrototypeOf");
if (vm().exception())
return false;
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.set_prototype(object);
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "setPrototypeOf");
@ -162,7 +162,7 @@ bool ProxyObject::is_extensible() const
auto trap = m_handler.get("isExtensible");
if (vm().exception())
return false;
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.is_extensible();
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "isExtensible");
@ -189,7 +189,7 @@ bool ProxyObject::prevent_extensions()
auto trap = m_handler.get("preventExtensions");
if (vm().exception())
return false;
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.prevent_extensions();
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "preventExtensions");
@ -216,7 +216,7 @@ Optional<PropertyDescriptor> ProxyObject::get_own_property_descriptor(const Prop
auto trap = m_handler.get("getOwnPropertyDescriptor");
if (vm().exception())
return {};
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.get_own_property_descriptor(name);
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "getOwnPropertyDescriptor");
@ -271,7 +271,7 @@ bool ProxyObject::define_property(const StringOrSymbol& property_name, const Obj
auto trap = m_handler.get("defineProperty");
if (vm().exception())
return false;
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.define_property(property_name, descriptor, throw_exceptions);
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "defineProperty");
@ -322,7 +322,7 @@ bool ProxyObject::has_property(const PropertyName& name) const
auto trap = m_handler.get("has");
if (vm().exception())
return false;
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.has_property(name);
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "has");
@ -360,7 +360,7 @@ Value ProxyObject::get(const PropertyName& name, Value) const
auto trap = m_handler.get("get");
if (vm().exception())
return {};
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.get(name);
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "get");
@ -395,7 +395,7 @@ bool ProxyObject::put(const PropertyName& name, Value value, Value)
auto trap = m_handler.get("set");
if (vm().exception())
return false;
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.put(name, value);
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "set");
@ -428,7 +428,7 @@ Value ProxyObject::delete_property(const PropertyName& name)
auto trap = m_handler.get("deleteProperty");
if (vm().exception())
return {};
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return m_target.delete_property(name);
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "deleteProperty");
@ -472,7 +472,7 @@ Value ProxyObject::call()
auto trap = m_handler.get("apply");
if (vm().exception())
return {};
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return static_cast<Function&>(m_target).call();
if (!trap.is_function()) {
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "apply");
@ -505,7 +505,7 @@ Value ProxyObject::construct(Function& new_target)
auto trap = m_handler.get("construct");
if (vm.exception())
return {};
if (trap.is_empty() || trap.is_undefined() || trap.is_null())
if (trap.is_empty() || trap.is_nullish())
return static_cast<Function&>(m_target).construct(new_target);
if (!trap.is_function()) {
vm.throw_exception<TypeError>(global_object(), ErrorType::ProxyInvalidTrap, "construct");