b816037739
This is Abstract Operation is required for the majority of InstantConstructor's and InstantPrototype's methods. The implementation is not entirely complete, (specifically 2 of the underlying required abstract operations, ParseTemporalTimeZoneString and ParseISODateTime are missing the required lexing, and as such are TODO()-ed) but the majority of it is done.
37 lines
934 B
C++
37 lines
934 B
C++
/*
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/PlainDate.h>
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#include <LibJS/Runtime/Value.h>
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namespace JS::Temporal {
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// 3.5.5 IsValidISODate ( year, month, day ), https://tc39.es/proposal-temporal/#sec-temporal-isvalidisodate
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bool is_valid_iso_date(i32 year, i32 month, i32 day)
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{
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// 1. Assert: year, month, and day are integers.
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// 2. If month < 1 or month > 12, then
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if (month < 1 || month > 12) {
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// a. Return false.
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return false;
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}
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// 3. Let daysInMonth be ! ISODaysInMonth(year, month).
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auto days_in_month = iso_days_in_month(year, month);
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// 4. If day < 1 or day > daysInMonth, then
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if (day < 1 || day > days_in_month) {
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// a. Return false.
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return false;
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}
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// 5. Return true.
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return true;
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}
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}
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