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LibJS: Implement Intl.Locale.prototype.language
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3 changed files with 42 additions and 0 deletions
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@ -53,6 +53,7 @@ void LocalePrototype::initialize(GlobalObject& global_object)
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define_native_accessor(vm.names.hourCycle, hour_cycle, {}, Attribute::Configurable);
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define_native_accessor(vm.names.numberingSystem, numbering_system, {}, Attribute::Configurable);
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define_native_accessor(vm.names.numeric, numeric, {}, Attribute::Configurable);
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define_native_accessor(vm.names.language, language, {}, Attribute::Configurable);
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}
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// 14.3.5 Intl.Locale.prototype.toString ( ), https://tc39.es/ecma402/#sec-Intl.Locale.prototype.toString
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@ -123,4 +124,23 @@ JS_DEFINE_NATIVE_GETTER(LocalePrototype::numeric)
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return Value(locale_object->numeric());
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}
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// 14.3.13 get Intl.Locale.prototype.language, https://tc39.es/ecma402/#sec-Intl.Locale.prototype.language
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JS_DEFINE_NATIVE_GETTER(LocalePrototype::language)
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{
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// 1. Let loc be the this value.
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// 2. Perform ? RequireInternalSlot(loc, [[InitializedLocale]]).
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auto* locale_object = typed_this(global_object);
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if (!locale_object)
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return {};
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// 3. Let locale be loc.[[Locale]].
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auto locale = Unicode::parse_unicode_locale_id(locale_object->locale());
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// 4. Assert: locale matches the unicode_locale_id production.
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VERIFY(locale.has_value());
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// 5. Return the substring of locale corresponding to the unicode_language_subtag production of the unicode_language_id.
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return js_string(vm, *locale->language_id.language);
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}
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}
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@ -28,6 +28,7 @@ private:
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JS_DECLARE_NATIVE_GETTER(hour_cycle);
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JS_DECLARE_NATIVE_GETTER(numbering_system);
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JS_DECLARE_NATIVE_GETTER(numeric);
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JS_DECLARE_NATIVE_GETTER(language);
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};
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}
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