RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 21:58:12 +00:00
Code Issues Activity Actions

LibJS: Implement the Intl.ListFormat constructor

Browse source
This commit is contained in:
Timothy Flynn 2021-09-06 08:53:28 -04:00 • committed by Linus Groh
parent 1a7443bec7
commit eacc8bef47
2 changed files with 101 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

53
Userland/Libraries/LibJS/Runtime/Intl/ListFormatConstructor.cpp
View file

@ -6,8 +6,10 @@
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/AbstractOperations.h>
#include <LibJS/Runtime/Intl/ListFormat.h>
#include <LibJS/Runtime/Intl/ListFormatConstructor.h>
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
namespace JS::Intl {
@ -42,11 +44,62 @@ Value ListFormatConstructor::construct(FunctionObject& new_target)
auto& vm = this->vm();
auto& global_object = this->global_object();
auto locales = vm.argument(0);
auto options = vm.argument(1);
// 2. Let listFormat be ? OrdinaryCreateFromConstructor(NewTarget, "%ListFormat.prototype%", « [[InitializedListFormat]], [[Locale]], [[Type]], [[Style]], [[Templates]] »).
auto* list_format = ordinary_create_from_constructor<ListFormat>(global_object, new_target, &GlobalObject::intl_list_format_prototype);
if (vm.exception())
return {};
// 3. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = canonicalize_locale_list(global_object, locales);
if (vm.exception())
return {};
// 4. Set options to ? GetOptionsObject(options).
options = Temporal::get_options_object(global_object, options);
if (vm.exception())
return {};
// 5. Let opt be a new Record.
LocaleOptions opt {};
// 6. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
auto matcher = get_option(global_object, options, vm.names.localeMatcher, Value::Type::String, { "lookup"sv, "best fit"sv }, "best fit"sv);
if (vm.exception())
return {};
// 7. Set opt.[[localeMatcher]] to matcher.
opt.locale_matcher = matcher;
// 8. Let localeData be %ListFormat%.[[LocaleData]].
// 9. Let r be ResolveLocale(%ListFormat%.[[AvailableLocales]], requestedLocales, opt, %ListFormat%.[[RelevantExtensionKeys]], localeData).
auto result = resolve_locale(requested_locales, opt, {});
// 10. Set listFormat.[[Locale]] to r.[[locale]].
list_format->set_locale(move(result.locale));
// 11. Let type be ? GetOption(options, "type", "string", « "conjunction", "disjunction", "unit" », "conjunction").
auto type = get_option(global_object, options, vm.names.type, Value::Type::String, { "conjunction"sv, "disjunction"sv, "unit"sv }, "conjunction"sv);
if (vm.exception())
return {};
// 12. Set listFormat.[[Type]] to type.
list_format->set_type(type.as_string().string());
// 13. Let style be ? GetOption(options, "style", "string", « "long", "short", "narrow" », "long").
auto style = get_option(global_object, options, vm.names.style, Value::Type::String, { "long"sv, "short"sv, "narrow"sv }, "long"sv);
if (vm.exception())
return {};
// 14. Set listFormat.[[Style]] to style.
list_format->set_style(style.as_string().string());
// Note: The remaining steps are skipped in favor of deferring to LibUnicode.
// 19. Return listFormat.
return list_format;
}