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LibJS: Use Set/CreateDataPropertyOrThrow in Array.prototype as in spec

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Mapping:
  Set -> put (does not throw by default)
  CreateDataPropertyOrThrow -> define_property
This commit is contained in:
davidot 2021-06-21 16:52:23 +02:00 committed by Linus Groh
parent 15edad8202
commit a770c26d54
Notes: sideshowbarker 2024-07-18 11:39:27 +09:00 
Author: https://github.com/davidot
Commit: https://github.com/SerenityOS/serenity/commit/a770c26d54e
Pull-request: https://github.com/SerenityOS/serenity/pull/8191
1 changed files with 34 additions and 26 deletions
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60
Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp
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@ -77,16 +77,16 @@ void ArrayPrototype::initialize(GlobalObject& global_object)
// 23.1.3.34 Array.prototype [ @@unscopables ], https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
auto* unscopable_list = Object::create(global_object, nullptr);
unscopable_list->put(vm.names.copyWithin, Value(true));
unscopable_list->put(vm.names.entries, Value(true));
unscopable_list->put(vm.names.fill, Value(true));
unscopable_list->put(vm.names.find, Value(true));
unscopable_list->put(vm.names.findIndex, Value(true));
unscopable_list->put(vm.names.flat, Value(true));
unscopable_list->put(vm.names.flatMap, Value(true));
unscopable_list->put(vm.names.includes, Value(true));
unscopable_list->put(vm.names.keys, Value(true));
unscopable_list->put(vm.names.values, Value(true));
unscopable_list->define_property(vm.names.copyWithin, Value(true));
unscopable_list->define_property(vm.names.entries, Value(true));
unscopable_list->define_property(vm.names.fill, Value(true));
unscopable_list->define_property(vm.names.find, Value(true));
unscopable_list->define_property(vm.names.findIndex, Value(true));
unscopable_list->define_property(vm.names.flat, Value(true));
unscopable_list->define_property(vm.names.flatMap, Value(true));
unscopable_list->define_property(vm.names.includes, Value(true));
unscopable_list->define_property(vm.names.keys, Value(true));
unscopable_list->define_property(vm.names.values, Value(true));
define_property(vm.well_known_symbol_unscopables(), unscopable_list, Attribute::Configurable);
}
@ -195,9 +195,13 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::filter)
if (vm.exception())
return {};
size_t to_index = 0;
for_each_item(vm, global_object, "filter", [&](auto, auto value, auto callback_result) {
if (callback_result.to_boolean())
new_array->indexed_properties().append(value);
if (callback_result.to_boolean()) {
new_array->define_property(to_index, value);
++to_index;
}
return IterationDecision::Continue;
});
return Value(new_array);
@ -255,7 +259,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::push)
return {};
}
for (size_t i = 0; i < argument_count; ++i) {
this_object->put(length + i, vm.argument(i));
this_object->define_property(length + i, vm.argument(i));
if (vm.exception())
return {};
}
@ -294,7 +298,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::unshift)
auto from_value = this_object->get(from).value_or(js_undefined());
if (vm.exception())
return {};
this_object->put(to, from_value);
this_object->define_property(to, from_value);
if (vm.exception())
return {};
} else {
@ -305,7 +309,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::unshift)
}
for (size_t j = 0; j < arg_count; j++) {
this_object->put(j, vm.argument(j));
this_object->define_property(j, vm.argument(j));
if (vm.exception())
return {};
}
@ -378,7 +382,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::shift)
auto from_value = this_object->get(from).value_or(js_undefined());
if (vm.exception())
return {};
this_object->put(to, from_value);
this_object->define_property(to, from_value);
if (vm.exception())
return {};
} else {
@ -554,7 +558,9 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::concat)
auto k_value = obj.get(k).value_or(js_undefined());
if (vm.exception())
return;
new_array->put(n, k_value);
new_array->define_property(n, k_value);
if (vm.exception())
return;
}
++n;
++k;
@ -564,7 +570,9 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::concat)
vm.throw_exception<TypeError>(global_object, ErrorType::ArrayMaxSize);
return;
}
new_array->put(n, arg);
new_array->define_property(n, arg);
if (vm.exception())
return;
++n;
}
};
@ -838,14 +846,14 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::reverse)
}
if (lower_exists && upper_exists) {
this_object->put(lower, upper_value);
this_object->define_property(lower, upper_value);
if (vm.exception())
return {};
this_object->put(upper, lower_value);
this_object->define_property(upper, lower_value);
if (vm.exception())
return {};
} else if (!lower_exists && upper_exists) {
this_object->put(lower, upper_value);
this_object->define_property(lower, upper_value);
if (vm.exception())
return {};
this_object->delete_property(upper, true);
@ -855,7 +863,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::reverse)
this_object->delete_property(lower, true);
if (vm.exception())
return {};
this_object->put(upper, lower_value);
this_object->define_property(upper, lower_value);
if (vm.exception())
return {};
}
@ -1227,7 +1235,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::splice)
auto to = i + insert_count;
if (!from.is_empty()) {
this_object->put(to, from);
this_object->define_property(to, from);
} else {
this_object->delete_property(to, true);
}
@ -1249,7 +1257,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::splice)
auto to = i + insert_count - 1;
if (!from.is_empty()) {
this_object->put(to, from);
this_object->define_property(to, from);
} else {
this_object->delete_property(to, true);
}
@ -1259,7 +1267,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::splice)
}
for (size_t i = 0; i < insert_count; ++i) {
this_object->put(actual_start + i, vm.argument(i + 2));
this_object->define_property(actual_start + i, vm.argument(i + 2));
if (vm.exception())
return {};
}
@ -1386,7 +1394,7 @@ static size_t flatten_into_array(GlobalObject& global_object, Object& new_array,
return {};
}
new_array.put(target_index, value);
new_array.define_property(target_index, value);
if (vm.exception())
return {};