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LibJS: Implement Intl.Locale.prototype.region

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Timothy Flynn 2021-09-02 08:25:20 -04:00 • committed by Linus Groh
parent 349fd06b86
commit 32825107de
3 changed files with 46 additions and 0 deletions
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24
Userland/Libraries/LibJS/Runtime/Intl/LocalePrototype.cpp
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@ -55,6 +55,7 @@ void LocalePrototype::initialize(GlobalObject& global_object)
define_native_accessor(vm.names.numeric, numeric, {}, Attribute::Configurable);
define_native_accessor(vm.names.language, language, {}, Attribute::Configurable);
define_native_accessor(vm.names.script, script, {}, Attribute::Configurable);
define_native_accessor(vm.names.region, region, {}, Attribute::Configurable);
}
// 14.3.5 Intl.Locale.prototype.toString ( ), https://tc39.es/ecma402/#sec-Intl.Locale.prototype.toString
@ -167,4 +168,27 @@ JS_DEFINE_NATIVE_GETTER(LocalePrototype::script)
return js_string(vm, *locale->language_id.script);
}
// 14.3.15 get Intl.Locale.prototype.region, https://tc39.es/ecma402/#sec-Intl.Locale.prototype.region
JS_DEFINE_NATIVE_GETTER(LocalePrototype::region)
{
// 1. Let loc be the this value.
// 2. Perform ? RequireInternalSlot(loc, [[InitializedLocale]]).
auto* locale_object = typed_this(global_object);
if (!locale_object)
return {};
// 3. Let locale be loc.[[Locale]].
auto locale = Unicode::parse_unicode_locale_id(locale_object->locale());
// 4. Assert: locale matches the unicode_locale_id production.
VERIFY(locale.has_value());
// 5. If the unicode_language_id production of locale does not contain the ["-" unicode_region_subtag] sequence, return undefined.
if (!locale->language_id.region.has_value())
return js_undefined();
// 6. Return the substring of locale corresponding to the unicode_region_subtag production of the unicode_language_id.
return js_string(vm, *locale->language_id.region);
}
}

1
Userland/Libraries/LibJS/Runtime/Intl/LocalePrototype.h
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@ -30,6 +30,7 @@ private:
JS_DECLARE_NATIVE_GETTER(numeric);
JS_DECLARE_NATIVE_GETTER(language);
JS_DECLARE_NATIVE_GETTER(script);
JS_DECLARE_NATIVE_GETTER(region);
};
}