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LibJS: Implement Temporal.Duration.prototype.toString()

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I hereby claim "implemented largest AO in LibJS ever" (450 lines). :^)
This commit is contained in:
Linus Groh 2021-11-07 01:41:52 +00:00
parent 36b51276d5
commit b2548393d2
7 changed files with 816 additions and 0 deletions
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43
Userland/Libraries/LibJS/Runtime/Temporal/Duration.h
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@ -7,8 +7,12 @@
#pragma once
#include <AK/Optional.h>
#include <LibJS/Heap/Handle.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Temporal/PlainDate.h>
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
#include <LibJS/Runtime/VM.h>
namespace JS::Temporal {
@ -84,6 +88,27 @@ struct BalancedDuration {
double nanoseconds;
};
// Used by MoveRelativeDate to temporarily hold values
struct MoveRelativeDateResult {
Handle<PlainDateTime> relative_to;
double days;
};
// Used by RoundDuration to temporarily hold values
struct RoundedDuration {
double years;
double months;
double weeks;
double days;
double hours;
double minutes;
double seconds;
double milliseconds;
double microseconds;
double nanoseconds;
double remainder;
};
// Table 7: Properties of a TemporalDurationLike, https://tc39.es/proposal-temporal/#table-temporal-temporaldurationlike-properties
template<typename StructT, typename ValueT>
@ -118,6 +143,24 @@ ThrowCompletionOr<Duration*> create_temporal_duration(GlobalObject&, double year
Duration* create_negated_temporal_duration(GlobalObject& global_object, Duration const& duration);
BigInt* total_duration_nanoseconds(GlobalObject&, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, BigInt const& nanoseconds, double offset_shift);
ThrowCompletionOr<BalancedDuration> balance_duration(GlobalObject&, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, BigInt const& nanoseconds, String const& largest_unit, Object* relative_to = nullptr);
ThrowCompletionOr<MoveRelativeDateResult> move_relative_date(GlobalObject&, Object& calendar, PlainDateTime& relative_to, Duration& duration);
ThrowCompletionOr<ZonedDateTime*> move_relative_zoned_date_time(GlobalObject&, ZonedDateTime&, double years, double months, double weeks, double days);
ThrowCompletionOr<RoundedDuration> round_duration(GlobalObject&, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, u32 increment, StringView unit, StringView rounding_mode, Object* relative_to_object = nullptr);
ThrowCompletionOr<TemporalDuration> to_limited_temporal_duration(GlobalObject&, Value temporal_duration_like, Vector<StringView> const& disallowed_fields);
String temporal_duration_to_string(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Variant<StringView, u8> const& precision);
// 7.5.15 DaysUntil ( earlier, later ), https://tc39.es/proposal-temporal/#sec-temporal-daysuntil
template<typename EarlierObjectType, typename LaterObjectType>
double days_until(GlobalObject& global_object, EarlierObjectType& earlier, LaterObjectType& later)
{
// 1. Assert: earlier and later both have [[ISOYear]], [[ISOMonth]], and [[ISODay]] internal slots.
// NOTE: We could enforce this via concepts, but the compiler would complain anyway if either of the types doesn't have the methods used below.
// 2. Let difference be ! DifferenceISODate(earlier.[[ISOYear]], earlier.[[ISOMonth]], earlier.[[ISODay]], later.[[ISOYear]], later.[[ISOMonth]], later.[[ISODay]], "day").
auto difference = difference_iso_date(global_object, earlier.iso_year(), earlier.iso_month(), earlier.iso_day(), later.iso_year(), later.iso_month(), later.iso_day(), "day"sv);
// 3. Return difference.[[Days]].
return difference.days;
}
}