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			82 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibJS/Runtime/AbstractOperations.h>
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| #include <LibJS/Runtime/Array.h>
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| #include <LibJS/Runtime/GlobalObject.h>
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| #include <LibJS/Runtime/Intl/AbstractOperations.h>
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| #include <LibJS/Runtime/Intl/DateTimeFormat.h>
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| #include <LibJS/Runtime/Intl/DateTimeFormatConstructor.h>
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| 
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| namespace JS::Intl {
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| 
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| // 11.2 The Intl.DateTimeFormat Constructor, https://tc39.es/ecma402/#sec-intl-datetimeformat-constructor
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| DateTimeFormatConstructor::DateTimeFormatConstructor(GlobalObject& global_object)
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|     : NativeFunction(vm().names.DateTimeFormat.as_string(), *global_object.function_prototype())
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| {
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| }
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| 
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| void DateTimeFormatConstructor::initialize(GlobalObject& global_object)
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| {
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|     NativeFunction::initialize(global_object);
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| 
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|     auto& vm = this->vm();
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| 
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|     // 11.3.1 Intl.DateTimeFormat.prototype, https://tc39.es/ecma402/#sec-intl.datetimeformat.prototype
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|     define_direct_property(vm.names.prototype, global_object.intl_date_time_format_prototype(), 0);
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| 
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|     u8 attr = Attribute::Writable | Attribute::Configurable;
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|     define_native_function(vm.names.supportedLocalesOf, supported_locales_of, 1, attr);
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| 
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|     define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
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| }
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| 
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| // 11.2.1 Intl.DateTimeFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.datetimeformat
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| ThrowCompletionOr<Value> DateTimeFormatConstructor::call()
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| {
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|     // 1. If NewTarget is undefined, let newTarget be the active function object, else let newTarget be NewTarget.
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|     return TRY(construct(*this));
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| }
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| 
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| // 11.2.1 Intl.DateTimeFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.datetimeformat
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| ThrowCompletionOr<Object*> DateTimeFormatConstructor::construct(FunctionObject& new_target)
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| {
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|     auto& vm = this->vm();
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|     auto& global_object = this->global_object();
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| 
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|     auto locales = vm.argument(0);
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|     auto options = vm.argument(1);
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| 
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|     // 2. Let dateTimeFormat be ? OrdinaryCreateFromConstructor(newTarget, "%DateTimeFormat.prototype%", « [[InitializedDateTimeFormat]], [[Locale]], [[Calendar]], [[NumberingSystem]], [[TimeZone]], [[Weekday]], [[Era]], [[Year]], [[Month]], [[Day]], [[DayPeriod]], [[Hour]], [[Minute]], [[Second]], [[FractionalSecondDigits]], [[TimeZoneName]], [[HourCycle]], [[Pattern]], [[BoundFormat]] »).
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|     auto* date_time_format = TRY(ordinary_create_from_constructor<DateTimeFormat>(global_object, new_target, &GlobalObject::intl_date_time_format_prototype));
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| 
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|     // 3. Perform ? InitializeDateTimeFormat(dateTimeFormat, locales, options).
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|     TRY(initialize_date_time_format(global_object, *date_time_format, locales, options));
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| 
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|     // 4. If the implementation supports the normative optional constructor mode of 4.3 Note 1, then
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|     //     a. Let this be the this value.
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|     //     b. Return ? ChainDateTimeFormat(dateTimeFormat, NewTarget, this).
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| 
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|     // 5. Return dateTimeFormat.
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|     return date_time_format;
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| }
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| 
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| // 11.3.2 Intl.DateTimeFormat.supportedLocalesOf ( locales [ , options ] ), https://tc39.es/ecma402/#sec-intl.datetimeformat.supportedlocalesof
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| JS_DEFINE_NATIVE_FUNCTION(DateTimeFormatConstructor::supported_locales_of)
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| {
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|     auto locales = vm.argument(0);
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|     auto options = vm.argument(1);
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| 
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|     // 1. Let availableLocales be %DateTimeFormat%.[[AvailableLocales]].
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| 
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|     // 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
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|     auto requested_locales = TRY(canonicalize_locale_list(global_object, locales));
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| 
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|     // 3. Return ? SupportedLocales(availableLocales, requestedLocales, options).
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|     return TRY(supported_locales(global_object, requested_locales, options));
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| }
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| 
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| }
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