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LibJS: Convert Intl::get_option() to ThrowCompletionOr

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This commit is contained in:
Idan Horowitz 2021-09-18 19:31:17 +03:00
parent 3758e65293
commit de9785b71b
6 changed files with 42 additions and 70 deletions
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20
Userland/Libraries/LibJS/Runtime/Intl/AbstractOperations.cpp
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@ -578,9 +578,7 @@ Array* supported_locales(GlobalObject& global_object, Vector<String> const& requ
return {};
// 2. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
auto matcher = get_option(global_object, *options_object, vm.names.localeMatcher, Value::Type::String, { "lookup"sv, "best fit"sv }, "best fit"sv);
if (vm.exception())
return {};
auto matcher = TRY_OR_DISCARD(get_option(global_object, *options_object, vm.names.localeMatcher, Value::Type::String, { "lookup"sv, "best fit"sv }, "best fit"sv));
Vector<String> supported_locales;
@ -613,15 +611,15 @@ Object* coerce_options_to_object(GlobalObject& global_object, Value options)
}
// 9.2.13 GetOption ( options, property, type, values, fallback ), https://tc39.es/ecma402/#sec-getoption
Value get_option(GlobalObject& global_object, Object const& options, PropertyName const& property, Value::Type type, Vector<StringView> const& values, Fallback fallback)
ThrowCompletionOr<Value> get_option(GlobalObject& global_object, Object const& options, PropertyName const& property, Value::Type type, Vector<StringView> const& values, Fallback fallback)
{
auto& vm = global_object.vm();
// 1. Assert: Type(options) is Object.
// 2. Let value be ? Get(options, property).
auto value = options.get(property);
if (vm.exception())
return {};
if (auto* exception = vm.exception())
return throw_completion(exception->value());
// 3. If value is undefined, return fallback.
if (value.is_undefined()) {
@ -643,18 +641,16 @@ Value get_option(GlobalObject& global_object, Object const& options, PropertyNam
else {
// a. Let value be ? ToString(value).
value = value.to_primitive_string(global_object);
if (vm.exception())
return {};
if (auto* exception = vm.exception())
return throw_completion(exception->value());
}
// 7. If values is not undefined and values does not contain an element equal to value, throw a RangeError exception.
if (!values.is_empty()) {
// Note: Every location in the spec that invokes GetOption with type=boolean also has values=undefined.
VERIFY(value.is_string());
if (!values.contains_slow(value.as_string().string())) {
vm.throw_exception<RangeError>(global_object, ErrorType::OptionIsNotValidValue, value.to_string_without_side_effects(), property.as_string());
return {};
}
if (!values.contains_slow(value.as_string().string()))
return vm.throw_completion<RangeError>(global_object, ErrorType::OptionIsNotValidValue, value.to_string_without_side_effects(), property.as_string());
}
// 8. Return value.