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LibJS: Parse new Intl.DisplayNames "type" and "languageDisplay" options
Intl.DisplayNames v2 adds "calendar" and "dateTimeField" types, as well as a "languageDisplay" option for the "language" type. This just adds these options to the constructor.
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6 changed files with 102 additions and 14 deletions
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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* Copyright (c) 2021-2022, Tim Flynn <trflynn89@pm.me>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -52,7 +52,7 @@ ThrowCompletionOr<Object*> DisplayNamesConstructor::construct(FunctionObject& ne
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auto locale_value = vm.argument(0);
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auto options_value = vm.argument(1);
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// 2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNames.prototype%", « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
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// 2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNames.prototype%", « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[LanguageDisplay]], [[Fields]] »).
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auto* display_names = TRY(ordinary_create_from_constructor<DisplayNames>(global_object, new_target, &GlobalObject::intl_display_names_prototype));
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// 3. Let requestedLocales be ? CanonicalizeLocaleList(locales).
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@ -85,8 +85,8 @@ ThrowCompletionOr<Object*> DisplayNamesConstructor::construct(FunctionObject& ne
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// 12. Set displayNames.[[Style]] to style.
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display_names->set_style(style.as_string().string());
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// 13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined).
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auto type = TRY(get_option(global_object, *options, vm.names.type, Value::Type::String, { "language"sv, "region"sv, "script"sv, "currency"sv }, Empty {}));
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// 13. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency", "calendar", "dateTimeField" », undefined).
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auto type = TRY(get_option(global_object, *options, vm.names.type, Value::Type::String, { "language"sv, "region"sv, "script"sv, "currency"sv, "calendar"sv, "dateTimeField"sv }, Empty {}));
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// 14. If type is undefined, throw a TypeError exception.
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if (type.is_undefined())
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@ -104,10 +104,33 @@ ThrowCompletionOr<Object*> DisplayNamesConstructor::construct(FunctionObject& ne
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// 18. Set displayNames.[[Locale]] to r.[[locale]].
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display_names->set_locale(move(result.locale));
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// Note: The remaining steps are skipped in favor of deferring to LibUnicode. We could copy
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// the data from LibUnicode to the DisplayNames object, but for now we do not do that.
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// Note: Several of the steps below are skipped in favor of deferring to LibUnicode.
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// 28. Return displayNames.
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// 19. Let dataLocale be r.[[dataLocale]].
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// 20. Let dataLocaleData be localeData.[[<dataLocale>]].
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// 21. Let types be dataLocaleData.[[types]].
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// 22. Assert: types is a Record (see 12.4.3).
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// 23. Let languageDisplay be ? GetOption(options, "languageDisplay", "string", « "dialect", "standard" », "dialect").
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auto language_display = TRY(get_option(global_object, *options, vm.names.languageDisplay, Value::Type::String, { "dialect"sv, "standard"sv }, "dialect"sv));
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// 24. Let typeFields be types.[[<type>]].
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// 25. Assert: typeFields is a Record (see 12.4.3).
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// 26. If type is "language", then
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if (display_names->type() == DisplayNames::Type::Language) {
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// a. Set displayNames.[[LanguageDisplay]] to languageDisplay.
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display_names->set_language_display(language_display.as_string().string());
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// b. Let typeFields be typeFields.[[<languageDisplay>]].
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// c. Assert: typeFields is a Record (see 12.4.3).
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}
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// 27. Let styleFields be typeFields.[[<style>]].
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// 28. Assert: styleFields is a Record (see 12.4.3).
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// 29. Set displayNames.[[Fields]] to styleFields.
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// 30. Return displayNames.
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return display_names;
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}
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