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LibJS: Implement Temporal.PlainDate.prototype.toPlainDateTime()

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Idan Horowitz 2021-08-27 18:15:19 +03:00 • committed by Linus Groh
parent f6370fe3f7
commit bb857330d2
3 changed files with 48 additions and 0 deletions
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27
Userland/Libraries/LibJS/Runtime/Temporal/PlainDatePrototype.cpp
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@ -11,7 +11,9 @@
#include <LibJS/Runtime/Temporal/Calendar.h>
#include <LibJS/Runtime/Temporal/PlainDate.h>
#include <LibJS/Runtime/Temporal/PlainDatePrototype.h>
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/PlainMonthDay.h>
#include <LibJS/Runtime/Temporal/PlainTime.h>
#include <LibJS/Runtime/Temporal/PlainYearMonth.h>
namespace JS::Temporal {
@ -51,6 +53,7 @@ void PlainDatePrototype::initialize(GlobalObject& global_object)
define_native_function(vm.names.getISOFields, get_iso_fields, 0, attr);
define_native_function(vm.names.withCalendar, with_calendar, 1, attr);
define_native_function(vm.names.equals, equals, 1, attr);
define_native_function(vm.names.toPlainDateTime, to_plain_date_time, 0, attr);
define_native_function(vm.names.toString, to_string, 0, attr);
define_native_function(vm.names.toLocaleString, to_locale_string, 0, attr);
define_native_function(vm.names.toJSON, to_json, 0, attr);
@ -400,6 +403,30 @@ JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::equals)
return Value(calendar_equals(global_object, temporal_date->calendar(), other->calendar()));
}
// 3.3.26 Temporal.PlainDate.prototype.toPlainDateTime ( [ temporalTime ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype.toplaindatetime
JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::to_plain_date_time)
{
// 1. Let temporalDate be the this value.
// 2. Perform ? RequireInternalSlot(temporalDate, [[InitializedTemporalDate]]).
auto* temporal_date = typed_this(global_object);
if (vm.exception())
return {};
// 3. If temporalTime is undefined, then
if (vm.argument(0).is_undefined()) {
// a. Return ? CreateTemporalDateTime(temporalDate.[[ISOYear]], temporalDate.[[ISOMonth]], temporalDate.[[ISODay]], 0, 0, 0, 0, 0, 0, temporalDate.[[Calendar]]).
return create_temporal_date_time(global_object, temporal_date->iso_year(), temporal_date->iso_month(), temporal_date->iso_day(), 0, 0, 0, 0, 0, 0, temporal_date->calendar());
}
// 4. Set temporalTime to ? ToTemporalTime(temporalTime).
auto* temporal_time = to_temporal_time(global_object, vm.argument(0));
if (vm.exception())
return {};
// 5. Return ? CreateTemporalDateTime(temporalDate.[[ISOYear]], temporalDate.[[ISOMonth]], temporalDate.[[ISODay]], temporalTime.[[ISOHour]], temporalTime.[[ISOMinute]], temporalTime.[[ISOSecond]], temporalTime.[[ISOMillisecond]], temporalTime.[[ISOMicrosecond]], temporalTime.[[ISONanosecond]], temporalDate.[[Calendar]]).
return create_temporal_date_time(global_object, temporal_date->iso_year(), temporal_date->iso_month(), temporal_date->iso_day(), temporal_time->iso_hour(), temporal_time->iso_minute(), temporal_time->iso_second(), temporal_time->iso_millisecond(), temporal_time->iso_microsecond(), temporal_time->iso_nanosecond(), temporal_date->calendar());
}
// 3.3.28 Temporal.PlainDate.prototype.toString ( [ options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype.tostring
JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::to_string)
{

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainDatePrototype.h
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@ -37,6 +37,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(get_iso_fields);
JS_DECLARE_NATIVE_FUNCTION(with_calendar);
JS_DECLARE_NATIVE_FUNCTION(equals);
JS_DECLARE_NATIVE_FUNCTION(to_plain_date_time);
JS_DECLARE_NATIVE_FUNCTION(to_string);
JS_DECLARE_NATIVE_FUNCTION(to_locale_string);
JS_DECLARE_NATIVE_FUNCTION(to_json);

20
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDate/PlainDate.prototype.toPlainDateTime.js Normal file
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@ -0,0 +1,20 @@
describe("correct behavior", () => {
test("length is 0", () => {
expect(Temporal.PlainDate.prototype.toPlainDateTime).toHaveLength(0);
});
test("basic functionality", () => {
const plainDate = new Temporal.PlainDate(2021, 8, 27);
const plainTime = new Temporal.PlainTime(18, 11, 44, 1, 2, 3);
const plainDateTime = plainDate.toPlainDateTime(plainTime);
expect(plainDateTime.year).toBe(2021);
expect(plainDateTime.month).toBe(8);
expect(plainDateTime.day).toBe(27);
expect(plainDateTime.hour).toBe(18);
expect(plainDateTime.minute).toBe(11);
expect(plainDateTime.second).toBe(44);
expect(plainDateTime.millisecond).toBe(1);
expect(plainDateTime.microsecond).toBe(2);
expect(plainDateTime.nanosecond).toBe(3);
});
});