ladybird/Libraries/LibJS/Runtime/Temporal/ISORecords.h
Andreas Kling b6bef6b688 Libraries: Use UTF-16 for JS-visible runtime strings
Produce JS-visible string results as UTF-16 at their source, including
numeric formatting, BigInt and BigFraction formatting, URI encoding,
console formatting, parser errors, regular expression errors, Intl and
Temporal records, LibUnicode locale boundaries, and LibWeb bindings.

Handle fractional radix formatting through the UTF-16 builder view.
2026-06-22 19:51:25 +02:00

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/*
* Copyright (c) 2024-2026, Tim Flynn <trflynn89@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Types.h>
#include <AK/Utf16String.h>
#include <AK/Variant.h>
#include <LibCrypto/BigInt/SignedBigInteger.h>
#include <LibUnicode/Calendar.h>
namespace JS::Temporal {
// 3.5.1 ISO Date Records, https://tc39.es/proposal-temporal/#sec-temporal-iso-date-records
using ISODate = Unicode::ISODate;
// 4.5.1 Time Records, https://tc39.es/proposal-temporal/#sec-temporal-time-records
struct Time {
double days { 0 };
u8 hour { 0 };
u8 minute { 0 };
u8 second { 0 };
u16 millisecond { 0 };
u16 microsecond { 0 };
u16 nanosecond { 0 };
};
// 5.5.1 ISO Date-Time Records, https://tc39.es/proposal-temporal/#sec-temporal-iso-date-time-records
struct ISODateTime {
ISODate iso_date;
Time time;
};
// 7.5.3 Internal Duration Records, https://tc39.es/proposal-temporal/#sec-temporal-internal-duration-records
// A time duration is an integer in the inclusive interval from -maxTimeDuration to maxTimeDuration, where
// maxTimeDuration = 2**53 × 10**9 - 1 = 9,007,199,254,740,991,999,999,999. It represents the portion of a
// Temporal.Duration object that deals with time units, but as a combined value of total nanoseconds.
using TimeDuration = Crypto::SignedBigInteger;
// 9.5.1 ISO Year-Month Records, https://tc39.es/proposal-temporal/#sec-temporal-iso-year-month-records
struct ISOYearMonth {
i32 year { 0 };
u8 month { 0 };
};
// 13.32 ISO String Time Zone Parse Records, https://tc39.es/proposal-temporal/#sec-temporal-iso-string-time-zone-parse-records
struct ParsedISOTimeZone {
bool z_designator { false };
Optional<Utf16String> offset_string;
Optional<Utf16String> time_zone_annotation;
};
// 13.33 Time Zone Identifier Parse Records, https://tc39.es/proposal-temporal/#sec-temporal-time-zone-identifier-parse-records
struct ParsedTimeZoneIdentifier {
Optional<Utf16String> name;
Optional<i64> offset_minutes;
};
// 13.34 ISO Date-Time Parse Records, https://tc39.es/proposal-temporal/#sec-temporal-iso-date-time-parse-records
struct ParsedISODateTime {
struct StartOfDay { };
Optional<i32> year { 0 };
u8 month { 0 };
u8 day { 0 };
Variant<StartOfDay, Time> time;
ParsedISOTimeZone time_zone;
Optional<Utf16String> calendar;
};
}