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/*
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
namespace JS::Temporal {
class PlainYearMonth final : public Object {
JS_OBJECT(PlainYearMonth, Object);
public:
PlainYearMonth(i32 iso_year, u8 iso_month, u8 iso_day, Object& calendar, Object& prototype);
virtual ~PlainYearMonth() override = default;
[[nodiscard]] i32 iso_year() const { return m_iso_year; }
[[nodiscard]] u8 iso_month() const { return m_iso_month; }
[[nodiscard]] u8 iso_day() const { return m_iso_day; }
[[nodiscard]] Object const& calendar() const { return m_calendar; }
[[nodiscard]] Object& calendar() { return m_calendar; }
private:
virtual void visit_edges(Visitor&) override;
// 9.4 Properties of Temporal.PlainYearMonth Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-plainyearmonth-instances
i32 m_iso_year { 0 }; // [[ISOYear]]
u8 m_iso_month { 0 }; // [[ISOMonth]]
u8 m_iso_day { 0 }; // [[ISODay]]
Object& m_calendar; // [[Calendar]]
};
struct ISOYearMonth {
i32 year;
u8 month;
u8 reference_iso_day;
};
ThrowCompletionOr<PlainYearMonth*> to_temporal_year_month(VM&, Value item, Object const* options = nullptr);
ThrowCompletionOr<ISOYearMonth> regulate_iso_year_month(VM&, double year, double month, StringView overflow);
bool is_valid_iso_month(u8 month);
bool iso_year_month_within_limits(i32 year, u8 month);
ISOYearMonth balance_iso_year_month(double year, double month);
ThrowCompletionOr<PlainYearMonth*> create_temporal_year_month(VM&, i32 iso_year, u8 iso_month, Object& calendar, u8 reference_iso_day, FunctionObject const* new_target = nullptr);
ThrowCompletionOr<String> temporal_year_month_to_string(VM&, PlainYearMonth&, StringView show_calendar);
ThrowCompletionOr<Duration*> difference_temporal_plain_year_month(VM&, DifferenceOperation, PlainYearMonth&, Value other, Value options);
ThrowCompletionOr<PlainYearMonth*> add_duration_to_or_subtract_duration_from_plain_year_month(VM&, ArithmeticOperation, PlainYearMonth&, Value temporal_duration_like, Value options_value);
}
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