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LibJS: Implement Intl.RelativeTimeFormat.prototype.resolvedOptions

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Timothy Flynn 2022-01-25 12:20:44 -05:00 • committed by Linus Groh
parent b50880f28c
commit 0c630d5687
3 changed files with 109 additions and 0 deletions
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27
Userland/Libraries/LibJS/Runtime/Intl/RelativeTimeFormatPrototype.cpp
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@ -23,6 +23,33 @@ void RelativeTimeFormatPrototype::initialize(GlobalObject& global_object)
// 17.4.2 Intl.RelativeTimeFormat.prototype[ @@toStringTag ], https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat.prototype-toStringTag
define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm, "Intl.RelativeTimeFormat"sv), Attribute::Configurable);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.resolvedOptions, resolved_options, 0, attr);
}
// 17.4.5 Intl.RelativeTimeFormat.prototype.resolvedOptions ( ), https://tc39.es/ecma402/#sec-intl.relativetimeformat.prototype.resolvedoptions
JS_DEFINE_NATIVE_FUNCTION(RelativeTimeFormatPrototype::resolved_options)
{
// 1. Let relativeTimeFormat be the this value.
// 2. Perform ? RequireInternalSlot(relativeTimeFormat, [[InitializedRelativeTimeFormat]]).
auto* relative_time_format = TRY(typed_this_object(global_object));
// 3. Let options be ! OrdinaryObjectCreate(%Object.prototype%).
auto* options = Object::create(global_object, global_object.object_prototype());
// 4. For each row of Table 15, except the header row, in table order, do
// a. Let p be the Property value of the current row.
// b. Let v be the value of relativeTimeFormat's internal slot whose name is the Internal Slot value of the current row.
// c. Assert: v is not undefined.
// d. Perform ! CreateDataPropertyOrThrow(options, p, v).
MUST(options->create_data_property_or_throw(vm.names.locale, js_string(vm, relative_time_format->locale())));
MUST(options->create_data_property_or_throw(vm.names.style, js_string(vm, relative_time_format->style_string())));
MUST(options->create_data_property_or_throw(vm.names.numeric, js_string(vm, relative_time_format->numeric_string())));
MUST(options->create_data_property_or_throw(vm.names.numberingSystem, js_string(vm, relative_time_format->numbering_system())));
// 5. Return options.
return options;
}
}

3
Userland/Libraries/LibJS/Runtime/Intl/RelativeTimeFormatPrototype.h
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@ -18,6 +18,9 @@ public:
explicit RelativeTimeFormatPrototype(GlobalObject&);
virtual void initialize(GlobalObject&) override;
virtual ~RelativeTimeFormatPrototype() override = default;
private:
JS_DECLARE_NATIVE_FUNCTION(resolved_options);
};
}