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LibJS: Reorganize spec steps for Intl.PluralRules

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This is an editorial change in the Intl spec:
d7c7157
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Timothy Flynn 2022-03-15 11:03:55 -04:00 • committed by Andreas Kling
parent 812d3a7ef8
commit 8941d0b49e
5 changed files with 56 additions and 58 deletions
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46
Userland/Libraries/LibJS/Runtime/Intl/PluralRules.cpp
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@ -4,9 +4,6 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Array.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/NumberFormatConstructor.h>
#include <LibJS/Runtime/Intl/PluralRules.h>
namespace JS::Intl {
@ -40,47 +37,4 @@ StringView PluralRules::type_string() const
}
}
// 16.1.1 InitializePluralRules ( pluralRules, locales, options ), https://tc39.es/ecma402/#sec-initializepluralrules
ThrowCompletionOr<PluralRules*> initialize_plural_rules(GlobalObject& global_object, PluralRules& plural_rules, Value locales_value, Value options_value)
{
auto& vm = global_object.vm();
// 1. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = TRY(canonicalize_locale_list(global_object, locales_value));
// 2. Set options to ? CoerceOptionsToObject(options).
auto* options = TRY(coerce_options_to_object(global_object, options_value));
// 3. Let opt be a new Record.
LocaleOptions opt {};
// 4. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
auto matcher = TRY(get_option(global_object, *options, vm.names.localeMatcher, Value::Type::String, AK::Array { "lookup"sv, "best fit"sv }, "best fit"sv));
// 5. Set opt.[[localeMatcher]] to matcher.
opt.locale_matcher = matcher;
// 6. Let t be ? GetOption(options, "type", "string", « "cardinal", "ordinal" », "cardinal").
auto type = TRY(get_option(global_object, *options, vm.names.type, Value::Type::String, AK::Array { "cardinal"sv, "ordinal"sv }, "cardinal"sv));
// 7. Set pluralRules.[[Type]] to t.
plural_rules.set_type(type.as_string().string());
// 8. Perform ? SetNumberFormatDigitOptions(pluralRules, options, +0𝔽, 3𝔽, "standard").
TRY(set_number_format_digit_options(global_object, plural_rules, *options, 0, 3, NumberFormat::Notation::Standard));
// 9. Let localeData be %PluralRules%.[[LocaleData]].
// 10. Let r be ResolveLocale(%PluralRules%.[[AvailableLocales]], requestedLocales, opt, %PluralRules%.[[RelevantExtensionKeys]], localeData).
auto result = resolve_locale(requested_locales, opt, {});
// 11. Set pluralRules.[[Locale]] to r.[[locale]].
plural_rules.set_locale(move(result.locale));
// Non-standard, the data locale is used by our NumberFormat implementation.
plural_rules.set_data_locale(move(result.data_locale));
// 12. Return pluralRules.
return &plural_rules;
}
}