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LibJS: Implement Intl.Locale.prototype.baseName

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Timothy Flynn 2021-09-01 22:39:40 -04:00 • committed by Linus Groh
parent 27fc3cfe75
commit 21b3c5edba
4 changed files with 44 additions and 0 deletions
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20
Userland/Libraries/LibJS/Runtime/Intl/LocalePrototype.cpp
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@ -8,6 +8,7 @@
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/Locale.h>
#include <LibJS/Runtime/Intl/LocalePrototype.h>
#include <LibUnicode/Locale.h>
namespace JS::Intl {
@ -44,6 +45,8 @@ void LocalePrototype::initialize(GlobalObject& global_object)
// 14.3.2 Intl.Locale.prototype[ @@toStringTag ], https://tc39.es/ecma402/#sec-Intl.Locale.prototype-@@tostringtag
define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm, "Intl.Locale"), Attribute::Configurable);
define_native_accessor(vm.names.baseName, base_name, {}, Attribute::Configurable);
}
// 14.3.5 Intl.Locale.prototype.toString ( ), https://tc39.es/ecma402/#sec-Intl.Locale.prototype.toString
@ -59,4 +62,21 @@ JS_DEFINE_NATIVE_FUNCTION(LocalePrototype::to_string)
return js_string(vm, locale_object->locale());
}
// 14.3.6 get Intl.Locale.prototype.baseName, https://tc39.es/ecma402/#sec-Intl.Locale.prototype.baseName
JS_DEFINE_NATIVE_GETTER(LocalePrototype::base_name)
{
// 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());
VERIFY(locale.has_value());
// 4. Return the substring of locale corresponding to the unicode_language_id production.
return js_string(vm, locale->language_id.to_string());
}
}

2
Userland/Libraries/LibJS/Runtime/Intl/LocalePrototype.h
View file

@ -20,6 +20,8 @@ public:
private:
JS_DECLARE_NATIVE_FUNCTION(to_string);
JS_DECLARE_NATIVE_GETTER(base_name);
};
}