1309 lines
67 KiB
C++
1309 lines
67 KiB
C++
/*
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* Copyright (c) 2021, Linus Groh <linusg@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 <AK/StringBuilder.h>
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#include <LibJS/Runtime/AbstractOperations.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/Temporal/AbstractOperations.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/Duration.h>
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#include <LibJS/Runtime/Temporal/DurationConstructor.h>
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#include <LibJS/Runtime/Temporal/Instant.h>
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#include <LibJS/Runtime/Temporal/PlainDateTime.h>
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#include <LibJS/Runtime/Temporal/TimeZone.h>
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#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
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namespace JS::Temporal {
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// 7 Temporal.Duration Objects, https://tc39.es/proposal-temporal/#sec-temporal-duration-objects
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Duration::Duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Object& prototype)
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: Object(prototype)
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, m_years(years)
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, m_months(months)
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, m_weeks(weeks)
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, m_days(days)
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, m_hours(hours)
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, m_minutes(minutes)
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, m_seconds(seconds)
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, m_milliseconds(milliseconds)
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, m_microseconds(microseconds)
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, m_nanoseconds(nanoseconds)
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{
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}
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// 7.5.1 ToTemporalDuration ( item ), https://tc39.es/proposal-temporal/#sec-temporal-totemporalduration
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ThrowCompletionOr<Duration*> to_temporal_duration(GlobalObject& global_object, Value item)
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{
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TemporalDuration result;
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// 1. If Type(item) is Object, then
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if (item.is_object()) {
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// a. If item has an [[InitializedTemporalDuration]] internal slot, then
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if (is<Duration>(item.as_object())) {
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// i. Return item.
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return &static_cast<Duration&>(item.as_object());
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}
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// b. Let result be ? ToTemporalDurationRecord(item).
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result = TRY(to_temporal_duration_record(global_object, item.as_object()));
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}
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// 2. Else,
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else {
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// a. Let string be ? ToString(item).
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auto string = TRY(item.to_string(global_object));
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// b. Let result be ? ParseTemporalDurationString(string).
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result = TRY(parse_temporal_duration_string(global_object, string));
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}
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// 3. Return ? CreateTemporalDuration(result.[[Years]], result.[[Months]], result.[[Weeks]], result.[[Days]], result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
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return create_temporal_duration(global_object, result.years, result.months, result.weeks, result.days, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds);
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}
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// 7.5.2 ToTemporalDurationRecord ( temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-totemporaldurationrecord
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ThrowCompletionOr<TemporalDuration> to_temporal_duration_record(GlobalObject& global_object, Object const& temporal_duration_like)
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{
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auto& vm = global_object.vm();
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// 1. Assert: Type(temporalDurationLike) is Object.
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// 2. If temporalDurationLike has an [[InitializedTemporalDuration]] internal slot, then
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if (is<Duration>(temporal_duration_like)) {
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auto& duration = static_cast<Duration const&>(temporal_duration_like);
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// a. Return the Record { [[Years]]: temporalDurationLike.[[Years]], [[Months]]: temporalDurationLike.[[Months]], [[Weeks]]: temporalDurationLike.[[Weeks]], [[Days]]: temporalDurationLike.[[Days]], [[Hours]]: temporalDurationLike.[[Hours]], [[Minutes]]: temporalDurationLike.[[Minutes]], [[Seconds]]: temporalDurationLike.[[Seconds]], [[Milliseconds]]: temporalDurationLike.[[Milliseconds]], [[Microseconds]]: temporalDurationLike.[[Microseconds]], [[Nanoseconds]]: temporalDurationLike.[[Nanoseconds]] }.
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return TemporalDuration { .years = duration.years(), .months = duration.months(), .weeks = duration.weeks(), .days = duration.days(), .hours = duration.hours(), .minutes = duration.minutes(), .seconds = duration.seconds(), .milliseconds = duration.milliseconds(), .microseconds = duration.microseconds(), .nanoseconds = duration.nanoseconds() };
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}
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// 3. Let result be a new Record with all the internal slots given in the Internal Slot column in Table 7.
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auto result = TemporalDuration {};
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// 4. Let any be false.
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auto any = false;
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// 5. For each row of Table 7, except the header row, in table order, do
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for (auto& [internal_slot, property] : temporal_duration_like_properties<TemporalDuration, double>(vm)) {
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// a. Let prop be the Property value of the current row.
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// b. Let val be ? Get(temporalDurationLike, prop).
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auto value = TRY(temporal_duration_like.get(property));
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// c. If val is undefined, then
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if (value.is_undefined()) {
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// i. Set result's internal slot whose name is the Internal Slot value of the current row to 0.
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result.*internal_slot = 0;
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}
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// d. Else,
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else {
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// i. Set any to true.
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any = true;
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// ii. Let val be 𝔽(? ToIntegerWithoutRounding(val)).
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value = Value(TRY(to_integer_without_rounding(global_object, value, ErrorType::TemporalInvalidDurationPropertyValueNonIntegral, property.as_string(), value.to_string_without_side_effects())));
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// iii. Set result's internal slot whose name is the Internal Slot value of the current row to val.
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result.*internal_slot = value.as_double();
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}
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}
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// 6. If any is false, then
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if (!any) {
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// a. Throw a TypeError exception.
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return vm.throw_completion<TypeError>(global_object, ErrorType::TemporalInvalidDurationLikeObject);
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}
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// 7. Return result.
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return result;
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}
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// 7.5.3 DurationSign ( years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal-durationsign
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i8 duration_sign(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds)
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{
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// 1. For each value v of « years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds », do
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for (auto& v : { years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds }) {
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// a. If v < 0, return −1.
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if (v < 0)
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return -1;
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// b. If v > 0, return 1.
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if (v > 0)
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return 1;
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}
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// 2. Return 0.
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return 0;
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}
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// 7.5.4 IsValidDuration ( years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal-isvalidduration
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bool is_valid_duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds)
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{
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// 1. Let sign be ! DurationSign(years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds).
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auto sign = duration_sign(years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds);
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// 2. For each value v of « years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds », do
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for (auto& v : { years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds }) {
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// a. If v is not finite, return false.
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if (!isfinite(v))
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return false;
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// b. If v < 0 and sign > 0, return false.
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if (v < 0 && sign > 0)
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return false;
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// c. If v > 0 and sign < 0, return false.
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if (v > 0 && sign < 0)
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return false;
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}
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// 3. Return true.
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return true;
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}
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// 7.5.6 ToPartialDuration ( temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-topartialduration
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ThrowCompletionOr<PartialDuration> to_partial_duration(GlobalObject& global_object, Value temporal_duration_like)
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{
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auto& vm = global_object.vm();
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// 1. If Type(temporalDurationLike) is not Object, then
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if (!temporal_duration_like.is_object()) {
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// a. Throw a TypeError exception.
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return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObject, temporal_duration_like.to_string_without_side_effects());
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}
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// 2. Let result be the Record { [[Years]]: undefined, [[Months]]: undefined, [[Weeks]]: undefined, [[Days]]: undefined, [[Hours]]: undefined, [[Minutes]]: undefined, [[Seconds]]: undefined, [[Milliseconds]]: undefined, [[Microseconds]]: undefined, [[Nanoseconds]]: undefined }.
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auto result = PartialDuration {};
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// 3. Let any be false.
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auto any = false;
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// 4. For each row of Table 7, except the header row, in table order, do
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for (auto& [internal_slot, property] : temporal_duration_like_properties<PartialDuration, Optional<double>>(vm)) {
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// a. Let property be the Property value of the current row.
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// b. Let value be ? Get(temporalDurationLike, property).
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auto value = TRY(temporal_duration_like.as_object().get(property));
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// c. If value is not undefined, then
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if (!value.is_undefined()) {
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// i. Set any to true.
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any = true;
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// ii. Set value to 𝔽(? ToIntegerWithoutRounding(value)).
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value = Value(TRY(to_integer_without_rounding(global_object, value, ErrorType::TemporalInvalidDurationPropertyValueNonIntegral, property.as_string(), value.to_string_without_side_effects())));
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// iii. Set result's internal slot whose name is the Internal Slot value of the current row to value.
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result.*internal_slot = value.as_double();
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}
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}
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// 5. If any is false, then
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if (!any) {
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// a. Throw a TypeError exception.
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return vm.throw_completion<TypeError>(global_object, ErrorType::TemporalInvalidDurationLikeObject);
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}
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// 6. Return result.
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return result;
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}
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// 7.5.7 CreateTemporalDuration ( years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds [ , newTarget ] ), https://tc39.es/proposal-temporal/#sec-temporal-createtemporalduration
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ThrowCompletionOr<Duration*> create_temporal_duration(GlobalObject& global_object, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, FunctionObject const* new_target)
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{
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auto& vm = global_object.vm();
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// 1. If ! IsValidDuration(years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds) is false, throw a RangeError exception.
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if (!is_valid_duration(years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds))
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return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidDuration);
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// 2. If newTarget is not present, set it to %Temporal.Duration%.
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if (!new_target)
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new_target = global_object.temporal_duration_constructor();
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// 3. Let object be ? OrdinaryCreateFromConstructor(newTarget, "%Temporal.Duration.prototype%", « [[InitializedTemporalDuration]], [[Years]], [[Months]], [[Weeks]], [[Days]], [[Hours]], [[Minutes]], [[Seconds]], [[Milliseconds]], [[Microseconds]], [[Nanoseconds]] »).
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// 4. Set object.[[Years]] to years.
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// 5. Set object.[[Months]] to months.
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// 6. Set object.[[Weeks]] to weeks.
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// 7. Set object.[[Days]] to days.
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// 8. Set object.[[Hours]] to hours.
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// 9. Set object.[[Minutes]] to minutes.
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// 10. Set object.[[Seconds]] to seconds.
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// 11. Set object.[[Milliseconds]] to milliseconds.
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// 12. Set object.[[Microseconds]] to microseconds.
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// 13. Set object.[[Nanoseconds]] to nanoseconds.
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auto* object = TRY(ordinary_create_from_constructor<Duration>(global_object, *new_target, &GlobalObject::temporal_duration_prototype, years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds));
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// 14. Return object.
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return object;
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}
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// 7.5.8 CreateNegatedTemporalDuration ( duration ), https://tc39.es/proposal-temporal/#sec-temporal-createnegatedtemporalduration
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Duration* create_negated_temporal_duration(GlobalObject& global_object, Duration const& duration)
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{
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// 1. Assert: Type(duration) is Object.
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// 2. Assert: duration has an [[InitializedTemporalDuration]] internal slot.
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// 3. Return ! CreateTemporalDuration(−duration.[[Years]], −duration.[[Months]], −duration.[[Weeks]], −duration.[[Days]], −duration.[[Hours]], −duration.[[Minutes]], −duration.[[Seconds]], −duration.[[Milliseconds]], −duration.[[Microseconds]], −duration.[[Nanoseconds]]).
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return MUST(create_temporal_duration(global_object, -duration.years(), -duration.months(), -duration.weeks(), -duration.days(), -duration.hours(), -duration.minutes(), -duration.seconds(), -duration.milliseconds(), -duration.microseconds(), -duration.nanoseconds()));
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}
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// 7.5.9 CalculateOffsetShift ( relativeTo, y, mon, w, d, h, min, s, ms, mus, ns ), https://tc39.es/proposal-temporal/#sec-temporal-calculateoffsetshift
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ThrowCompletionOr<double> calculate_offset_shift(GlobalObject& global_object, Value relative_to_value, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds)
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{
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// 1. If Type(relativeTo) is not Object or relativeTo does not have an [[InitializedTemporalZonedDateTime]] internal slot, return 0.
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if (!relative_to_value.is_object() || !is<ZonedDateTime>(relative_to_value.as_object()))
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return 0.0;
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auto& relative_to = static_cast<ZonedDateTime&>(relative_to_value.as_object());
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// 2. Let instant be ! CreateTemporalInstant(relativeTo.[[Nanoseconds]]).
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auto* instant = MUST(create_temporal_instant(global_object, relative_to.nanoseconds()));
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// 3. Let offsetBefore be ? GetOffsetNanosecondsFor(relativeTo.[[TimeZone]], instant).
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auto offset_before = TRY(get_offset_nanoseconds_for(global_object, &relative_to.time_zone(), *instant));
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// 4. Let after be ? AddZonedDateTime(relativeTo.[[Nanoseconds]], relativeTo.[[TimeZone]], relativeTo.[[Calendar]], y, mon, w, d, h, min, s, ms, mus, ns).
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auto* after = TRY(add_zoned_date_time(global_object, relative_to.nanoseconds(), &relative_to.time_zone(), relative_to.calendar(), years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds));
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// 5. Let instantAfter be ! CreateTemporalInstant(after).
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auto* instant_after = MUST(create_temporal_instant(global_object, *after));
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// 6. Let offsetAfter be ? GetOffsetNanosecondsFor(relativeTo.[[TimeZone]], instantAfter).
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auto offset_after = TRY(get_offset_nanoseconds_for(global_object, &relative_to.time_zone(), *instant_after));
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// 7. Return offsetAfter − offsetBefore.
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return offset_after - offset_before;
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}
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// 7.5.10 TotalDurationNanoseconds ( days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, offsetShift ), https://tc39.es/proposal-temporal/#sec-temporal-totaldurationnanoseconds
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BigInt* total_duration_nanoseconds(GlobalObject& global_object, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, BigInt const& nanoseconds, double offset_shift)
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{
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auto& vm = global_object.vm();
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// 1. Assert: offsetShift is an integer.
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VERIFY(offset_shift == trunc(offset_shift));
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// 2. Set nanoseconds to ℝ(nanoseconds).
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auto result_nanoseconds = nanoseconds.big_integer();
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// TODO: Add a way to create SignedBigIntegers from doubles with full precision and remove this restriction
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VERIFY(AK::is_within_range<i64>(days) && AK::is_within_range<i64>(hours) && AK::is_within_range<i64>(minutes) && AK::is_within_range<i64>(seconds) && AK::is_within_range<i64>(milliseconds) && AK::is_within_range<i64>(microseconds));
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// 3. If days ≠ 0, then
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if (days != 0) {
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// a. Set nanoseconds to nanoseconds − offsetShift.
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result_nanoseconds = result_nanoseconds.minus(Crypto::SignedBigInteger::create_from(offset_shift));
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}
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// 4. Set hours to ℝ(hours) + ℝ(days) × 24.
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auto total_hours = Crypto::SignedBigInteger::create_from(hours).plus(Crypto::SignedBigInteger::create_from(days).multiplied_by(Crypto::UnsignedBigInteger(24)));
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// 5. Set minutes to ℝ(minutes) + hours × 60.
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auto total_minutes = Crypto::SignedBigInteger::create_from(minutes).plus(total_hours.multiplied_by(Crypto::UnsignedBigInteger(60)));
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// 6. Set seconds to ℝ(seconds) + minutes × 60.
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auto total_seconds = Crypto::SignedBigInteger::create_from(seconds).plus(total_minutes.multiplied_by(Crypto::UnsignedBigInteger(60)));
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// 7. Set milliseconds to ℝ(milliseconds) + seconds × 1000.
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auto total_milliseconds = Crypto::SignedBigInteger::create_from(milliseconds).plus(total_seconds.multiplied_by(Crypto::UnsignedBigInteger(1000)));
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// 8. Set microseconds to ℝ(microseconds) + milliseconds × 1000.
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auto total_microseconds = Crypto::SignedBigInteger::create_from(microseconds).plus(total_milliseconds.multiplied_by(Crypto::UnsignedBigInteger(1000)));
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// 9. Return nanoseconds + microseconds × 1000.
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return js_bigint(vm, result_nanoseconds.plus(total_microseconds.multiplied_by(Crypto::UnsignedBigInteger(1000))));
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}
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// 7.5.11 BalanceDuration ( days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, largestUnit [ , relativeTo ] ), https://tc39.es/proposal-temporal/#sec-temporal-balanceduration
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ThrowCompletionOr<BalancedDuration> balance_duration(GlobalObject& global_object, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, BigInt const& nanoseconds, String const& largest_unit, Object* relative_to)
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{
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auto& vm = global_object.vm();
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// 1. If relativeTo is not present, set relativeTo to undefined.
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Crypto::SignedBigInteger total_nanoseconds;
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// 2. If Type(relativeTo) is Object and relativeTo has an [[InitializedTemporalZonedDateTime]] internal slot, then
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if (relative_to && is<ZonedDateTime>(*relative_to)) {
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auto& relative_to_zoned_date_time = static_cast<ZonedDateTime&>(*relative_to);
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// a. Let endNs be ? AddZonedDateTime(relativeTo.[[Nanoseconds]], relativeTo.[[TimeZone]], relativeTo.[[Calendar]], 0, 0, 0, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds).
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auto* end_ns = TRY(add_zoned_date_time(global_object, relative_to_zoned_date_time.nanoseconds(), &relative_to_zoned_date_time.time_zone(), relative_to_zoned_date_time.calendar(), 0, 0, 0, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds.big_integer().to_double()));
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// b. Set nanoseconds to endNs − relativeTo.[[Nanoseconds]].
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total_nanoseconds = end_ns->big_integer().minus(relative_to_zoned_date_time.nanoseconds().big_integer());
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}
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// 3. Else,
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else {
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// a. Set nanoseconds to ℤ(! TotalDurationNanoseconds(days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, 0)).
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total_nanoseconds = total_duration_nanoseconds(global_object, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, 0)->big_integer();
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}
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// 4. If largestUnit is one of "year", "month", "week", or "day", then
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if (largest_unit.is_one_of("year"sv, "month"sv, "week"sv, "day"sv)) {
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// a. Let result be ? NanosecondsToDays(nanoseconds, relativeTo).
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auto result = TRY(nanoseconds_to_days(global_object, *js_bigint(vm, total_nanoseconds), relative_to ?: js_undefined()));
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// b. Set days to result.[[Days]].
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days = result.days;
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// c. Set nanoseconds to result.[[Nanoseconds]].
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total_nanoseconds = result.nanoseconds.cell()->big_integer();
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}
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// 5. Else,
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else {
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// a. Set days to 0.
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days = 0;
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}
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// 6. Set hours, minutes, seconds, milliseconds, and microseconds to 0.
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hours = 0;
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minutes = 0;
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seconds = 0;
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milliseconds = 0;
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microseconds = 0;
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// 7. Set nanoseconds to ℝ(nanoseconds).
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double result_nanoseconds = total_nanoseconds.to_double();
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|
||
// 8. If nanoseconds < 0, let sign be −1; else, let sign be 1.
|
||
i8 sign = total_nanoseconds.is_negative() ? -1 : 1;
|
||
|
||
// 9. Set nanoseconds to abs(nanoseconds).
|
||
total_nanoseconds = Crypto::SignedBigInteger(total_nanoseconds.unsigned_value());
|
||
result_nanoseconds = fabs(result_nanoseconds);
|
||
|
||
// 10. If largestUnit is "year", "month", "week", "day", or "hour", then
|
||
if (largest_unit.is_one_of("year"sv, "month"sv, "week"sv, "day"sv, "hour"sv)) {
|
||
// a. Set microseconds to floor(nanoseconds / 1000).
|
||
auto nanoseconds_division_result = total_nanoseconds.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// b. Set nanoseconds to nanoseconds modulo 1000.
|
||
result_nanoseconds = nanoseconds_division_result.remainder.to_double();
|
||
// c. Set milliseconds to floor(microseconds / 1000).
|
||
auto microseconds_division_result = nanoseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// d. Set microseconds to microseconds modulo 1000.
|
||
microseconds = microseconds_division_result.remainder.to_double();
|
||
// e. Set seconds to floor(milliseconds / 1000).
|
||
auto milliseconds_division_result = microseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// f. Set milliseconds to milliseconds modulo 1000.
|
||
milliseconds = milliseconds_division_result.remainder.to_double();
|
||
// g. Set minutes to floor(seconds / 60).
|
||
auto seconds_division_result = milliseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(60));
|
||
// h. Set seconds to seconds modulo 60.
|
||
seconds = seconds_division_result.remainder.to_double();
|
||
// i. Set hours to floor(minutes / 60).
|
||
auto minutes_division_result = seconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(60));
|
||
hours = minutes_division_result.quotient.to_double();
|
||
// j. Set minutes to minutes modulo 60.
|
||
minutes = minutes_division_result.remainder.to_double();
|
||
}
|
||
// 11. Else if largestUnit is "minute", then
|
||
else if (largest_unit == "minute"sv) {
|
||
// a. Set microseconds to floor(nanoseconds / 1000).
|
||
auto nanoseconds_division_result = total_nanoseconds.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// b. Set nanoseconds to nanoseconds modulo 1000.
|
||
result_nanoseconds = nanoseconds_division_result.remainder.to_double();
|
||
// c. Set milliseconds to floor(microseconds / 1000).
|
||
auto microseconds_division_result = nanoseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// d. Set microseconds to microseconds modulo 1000.
|
||
microseconds = microseconds_division_result.remainder.to_double();
|
||
// e. Set seconds to floor(milliseconds / 1000).
|
||
auto milliseconds_division_result = microseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// f. Set milliseconds to milliseconds modulo 1000.
|
||
milliseconds = milliseconds_division_result.remainder.to_double();
|
||
// g. Set minutes to floor(seconds / 60).
|
||
auto seconds_division_result = milliseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(60));
|
||
minutes = seconds_division_result.quotient.to_double();
|
||
// h. Set seconds to seconds modulo 60.
|
||
seconds = seconds_division_result.remainder.to_double();
|
||
}
|
||
// 12. Else if largestUnit is "second", then
|
||
else if (largest_unit == "second"sv) {
|
||
// a. Set microseconds to floor(nanoseconds / 1000).
|
||
auto nanoseconds_division_result = total_nanoseconds.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// b. Set nanoseconds to nanoseconds modulo 1000.
|
||
result_nanoseconds = nanoseconds_division_result.remainder.to_double();
|
||
// c. Set milliseconds to floor(microseconds / 1000).
|
||
auto microseconds_division_result = nanoseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// d. Set microseconds to microseconds modulo 1000.
|
||
microseconds = microseconds_division_result.remainder.to_double();
|
||
// e. Set seconds to floor(milliseconds / 1000).
|
||
auto milliseconds_division_result = microseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
seconds = milliseconds_division_result.quotient.to_double();
|
||
// f. Set milliseconds to milliseconds modulo 1000.
|
||
milliseconds = milliseconds_division_result.remainder.to_double();
|
||
}
|
||
// 13. Else if largestUnit is "millisecond", then
|
||
else if (largest_unit == "millisecond"sv) {
|
||
// a. Set microseconds to floor(nanoseconds / 1000).
|
||
auto nanoseconds_division_result = total_nanoseconds.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
// b. Set nanoseconds to nanoseconds modulo 1000.
|
||
result_nanoseconds = nanoseconds_division_result.remainder.to_double();
|
||
// c. Set milliseconds to floor(microseconds / 1000).
|
||
auto microseconds_division_result = nanoseconds_division_result.quotient.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
milliseconds = microseconds_division_result.quotient.to_double();
|
||
// d. Set microseconds to microseconds modulo 1000.
|
||
microseconds = microseconds_division_result.remainder.to_double();
|
||
}
|
||
// 14. Else if largestUnit is "microsecond", then
|
||
else if (largest_unit == "microsecond"sv) {
|
||
// a. Set microseconds to floor(nanoseconds / 1000).
|
||
auto nanoseconds_division_result = total_nanoseconds.divided_by(Crypto::UnsignedBigInteger(1000));
|
||
microseconds = nanoseconds_division_result.quotient.to_double();
|
||
// b. Set nanoseconds to nanoseconds modulo 1000.
|
||
result_nanoseconds = nanoseconds_division_result.remainder.to_double();
|
||
}
|
||
// 15. Else,
|
||
else {
|
||
// a. Assert: largestUnit is "nanosecond".
|
||
VERIFY(largest_unit == "nanosecond"sv);
|
||
}
|
||
// 16. Return the Record { [[Days]]: 𝔽(days), [[Hours]]: 𝔽(hours × sign), [[Minutes]]: 𝔽(minutes × sign), [[Seconds]]: 𝔽(seconds × sign), [[Milliseconds]]: 𝔽(milliseconds × sign), [[Microseconds]]: 𝔽(microseconds × sign), [[Nanoseconds]]: 𝔽(nanoseconds × sign) }.
|
||
return BalancedDuration { .days = days, .hours = hours * sign, .minutes = minutes * sign, .seconds = seconds * sign, .milliseconds = milliseconds * sign, .microseconds = microseconds * sign, .nanoseconds = result_nanoseconds * sign };
|
||
}
|
||
|
||
// 7.5.12 UnbalanceDurationRelative ( years, months, weeks, days, largestUnit, relativeTo ), https://tc39.es/proposal-temporal/#sec-temporal-unbalancedurationrelative
|
||
ThrowCompletionOr<UnbalancedDuration> unbalance_duration_relative(GlobalObject& global_object, double years, double months, double weeks, double days, String const& largest_unit, Value relative_to)
|
||
{
|
||
auto& vm = global_object.vm();
|
||
|
||
// 1. If largestUnit is "year", or years, months, weeks, and days are all 0, then
|
||
if (largest_unit == "year"sv || (years == 0 && months == 0 && weeks == 0 && days == 0)) {
|
||
// a. Return the Record { [[Years]]: years, [[Months]]: months, [[Weeks]]: weeks, [[Days]]: days }.
|
||
return UnbalancedDuration { .years = years, .months = months, .weeks = weeks, .days = days };
|
||
}
|
||
|
||
// 2. Let sign be ! DurationSign(years, months, weeks, days, 0, 0, 0, 0, 0, 0).
|
||
auto sign = duration_sign(years, months, weeks, days, 0, 0, 0, 0, 0, 0);
|
||
|
||
// 3. Assert: sign ≠ 0.
|
||
VERIFY(sign != 0);
|
||
|
||
// 4. Let oneYear be ! CreateTemporalDuration(sign, 0, 0, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* one_year = MUST(create_temporal_duration(global_object, sign, 0, 0, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// 5. Let oneMonth be ! CreateTemporalDuration(0, sign, 0, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* one_month = MUST(create_temporal_duration(global_object, 0, sign, 0, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// 6. Let oneWeek be ! CreateTemporalDuration(0, 0, sign, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* one_week = MUST(create_temporal_duration(global_object, 0, 0, sign, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
Object* calendar;
|
||
|
||
// 7. If relativeTo is not undefined, then
|
||
if (!relative_to.is_undefined()) {
|
||
// a. Set relativeTo to ? ToTemporalDate(relativeTo).
|
||
auto* relative_to_plain_date = TRY(to_temporal_date(global_object, relative_to));
|
||
relative_to = relative_to_plain_date;
|
||
|
||
// b. Let calendar be relativeTo.[[Calendar]].
|
||
calendar = &relative_to_plain_date->calendar();
|
||
}
|
||
// 8. Else,
|
||
else {
|
||
// a. Let calendar be undefined.
|
||
calendar = nullptr;
|
||
}
|
||
|
||
// 9. If largestUnit is "month", then
|
||
if (largest_unit == "month"sv) {
|
||
// a. If calendar is undefined, then
|
||
if (!calendar) {
|
||
// i. Throw a RangeError exception.
|
||
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalMissingStartingPoint, "months");
|
||
}
|
||
|
||
// b. Let dateAdd be ? GetMethod(calendar, "dateAdd").
|
||
auto* date_add = TRY(Value(calendar).get_method(global_object, vm.names.dateAdd));
|
||
|
||
// c. Let dateUntil be ? GetMethod(calendar, "dateUntil").
|
||
auto* date_until = TRY(Value(calendar).get_method(global_object, vm.names.dateUntil));
|
||
|
||
// d. Repeat, while years ≠ 0,
|
||
while (years != 0) {
|
||
// i. Let addOptions be ! OrdinaryObjectCreate(null).
|
||
auto* add_options = Object::create(global_object, nullptr);
|
||
|
||
// ii. Let newRelativeTo be ? CalendarDateAdd(calendar, relativeTo, oneYear, addOptions, dateAdd).
|
||
auto* new_relative_to = TRY(calendar_date_add(global_object, *calendar, relative_to, *one_year, add_options, date_add));
|
||
|
||
// iii. Let untilOptions be ! OrdinaryObjectCreate(null).
|
||
auto* until_options = Object::create(global_object, nullptr);
|
||
|
||
// iv. Perform ! CreateDataPropertyOrThrow(untilOptions, "largestUnit", "month").
|
||
MUST(until_options->create_data_property_or_throw(vm.names.largestUnit, js_string(vm, "month"sv)));
|
||
|
||
// v. Let untilResult be ? CalendarDateUntil(calendar, relativeTo, newRelativeTo, untilOptions, dateUntil).
|
||
auto* until_result = TRY(calendar_date_until(global_object, *calendar, relative_to, new_relative_to, *until_options, date_until));
|
||
|
||
// vi. Let oneYearMonths be untilResult.[[Months]].
|
||
auto one_year_months = until_result->months();
|
||
|
||
// vii. Set relativeTo to newRelativeTo.
|
||
relative_to = new_relative_to;
|
||
|
||
// viii. Set years to years − sign.
|
||
years -= sign;
|
||
|
||
// ix. Set months to months + oneYearMonths.
|
||
months += one_year_months;
|
||
}
|
||
}
|
||
// 10. Else if largestUnit is "week", then
|
||
else if (largest_unit == "week"sv) {
|
||
// a. If calendar is undefined, then
|
||
if (!calendar) {
|
||
// i. Throw a RangeError exception.
|
||
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalMissingStartingPoint, "weeks");
|
||
}
|
||
|
||
// b. Repeat, while years ≠ 0,
|
||
while (years != 0) {
|
||
// i. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneYear).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, verify_cast<PlainDate>(relative_to.as_object()), *one_year));
|
||
|
||
// ii. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// iii. Set days to days + moveResult.[[Days]].
|
||
days += move_result.days;
|
||
|
||
// iv. Set years to years − sign.
|
||
years -= sign;
|
||
}
|
||
|
||
// c. Repeat, while months ≠ 0,
|
||
while (months != 0) {
|
||
// i. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneMonth).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, verify_cast<PlainDate>(relative_to.as_object()), *one_month));
|
||
|
||
// ii. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// iii. Set days to days + moveResult.[[Days]].
|
||
days += move_result.days;
|
||
|
||
// iv. Set months to months − sign.
|
||
months -= sign;
|
||
}
|
||
}
|
||
// 11. Else,
|
||
else {
|
||
// a. If any of years, months, and weeks are not zero, then
|
||
if (years != 0 || months != 0 || weeks != 0) {
|
||
// i. If calendar is undefined, then
|
||
if (!calendar) {
|
||
// i. Throw a RangeError exception.
|
||
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalMissingStartingPoint, "calendar units");
|
||
}
|
||
|
||
// ii. Repeat, while years ≠ 0,
|
||
while (years != 0) {
|
||
// 1. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneYear).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, verify_cast<PlainDate>(relative_to.as_object()), *one_year));
|
||
|
||
// 2. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// 3. Set days to days + moveResult.[[Days]].
|
||
days += move_result.days;
|
||
|
||
// 4. Set years to years − sign.
|
||
years -= sign;
|
||
}
|
||
|
||
// iii. Repeat, while months ≠ 0,
|
||
while (months != 0) {
|
||
// 1. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneMonth).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, verify_cast<PlainDate>(relative_to.as_object()), *one_month));
|
||
|
||
// 2. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// 3. Set days to days +moveResult.[[Days]].
|
||
days += move_result.days;
|
||
|
||
// 4. Set months to months − sign.
|
||
months -= sign;
|
||
}
|
||
|
||
// iv. Repeat, while weeks ≠ 0,
|
||
while (weeks != 0) {
|
||
// 1. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneWeek).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, verify_cast<PlainDate>(relative_to.as_object()), *one_week));
|
||
|
||
// 2. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// 3. Set days to days + moveResult.[[Days]].
|
||
days += move_result.days;
|
||
|
||
// 4. Set weeks to weeks − sign.
|
||
weeks -= sign;
|
||
}
|
||
}
|
||
}
|
||
|
||
// 12. Return the Record { [[Years]]: years, [[Months]]: months, [[Weeks]]: weeks, [[Days]]: days }.
|
||
return UnbalancedDuration { .years = years, .months = months, .weeks = weeks, .days = days };
|
||
}
|
||
|
||
// 7.5.16 MoveRelativeDate ( calendar, relativeTo, duration ), https://tc39.es/proposal-temporal/#sec-temporal-moverelativedate
|
||
ThrowCompletionOr<MoveRelativeDateResult> move_relative_date(GlobalObject& global_object, Object& calendar, PlainDate& relative_to, Duration& duration)
|
||
{
|
||
// 1. Assert: Type(relativeTo) is Object.
|
||
// 2. Assert: relativeTo has an [[InitializedTemporalDate]] internal slot.
|
||
|
||
// 3. Let options be ! OrdinaryObjectCreate(null).
|
||
auto* options = Object::create(global_object, nullptr);
|
||
|
||
// 4. Let newDate be ? CalendarDateAdd(calendar, relativeTo, duration, options).
|
||
auto* new_date = TRY(calendar_date_add(global_object, calendar, &relative_to, duration, options));
|
||
|
||
// 5. Let days be ! DaysUntil(relativeTo, newDate).
|
||
auto days = days_until(global_object, relative_to, *new_date);
|
||
|
||
// 6. Return the Record { [[RelativeTo]]: newDate, [[Days]]: days }.
|
||
return MoveRelativeDateResult { .relative_to = make_handle(new_date), .days = days };
|
||
}
|
||
|
||
// 7.5.17 MoveRelativeZonedDateTime ( zonedDateTime, years, months, weeks, days ), https://tc39.es/proposal-temporal/#sec-temporal-moverelativezoneddatetime
|
||
ThrowCompletionOr<ZonedDateTime*> move_relative_zoned_date_time(GlobalObject& global_object, ZonedDateTime& zoned_date_time, double years, double months, double weeks, double days)
|
||
{
|
||
// 1. Let intermediateNs be ? AddZonedDateTime(zonedDateTime.[[Nanoseconds]], zonedDateTime.[[TimeZone]], zonedDateTime.[[Calendar]], years, months, weeks, days, 0, 0, 0, 0, 0, 0).
|
||
auto* intermediate_ns = TRY(add_zoned_date_time(global_object, zoned_date_time.nanoseconds(), &zoned_date_time.time_zone(), zoned_date_time.calendar(), years, months, weeks, days, 0, 0, 0, 0, 0, 0));
|
||
|
||
// 2. Return ! CreateTemporalZonedDateTime(intermediateNs, zonedDateTime.[[TimeZone]], zonedDateTime.[[Calendar]]).
|
||
return MUST(create_temporal_zoned_date_time(global_object, *intermediate_ns, zoned_date_time.time_zone(), zoned_date_time.calendar()));
|
||
}
|
||
|
||
// 7.5.18 RoundDuration ( years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, increment, unit, roundingMode [ , relativeTo ] ), https://tc39.es/proposal-temporal/#sec-temporal-roundduration
|
||
ThrowCompletionOr<RoundedDuration> round_duration(GlobalObject& global_object, 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)
|
||
{
|
||
auto& vm = global_object.vm();
|
||
|
||
Object* calendar = nullptr;
|
||
double fractional_seconds = 0;
|
||
|
||
// 1. If relativeTo is not present, set relativeTo to undefined.
|
||
// NOTE: `relative_to_object` and `relative_to` in the various code paths below are all the same as far as the
|
||
// spec is concerned, but the latter is more strictly typed for convenience.
|
||
PlainDate* relative_to = nullptr;
|
||
|
||
// 2. Let years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, and increment each be the mathematical values of themselves.
|
||
|
||
// FIXME: assuming "smallestUnit" as the option name here leads to confusing error messages in some cases:
|
||
// > new Temporal.Duration().total({ unit: "month" })
|
||
// Uncaught exception: [RangeError] month is not a valid value for option smallestUnit
|
||
// 3. If unit is "year", "month", or "week", and relativeTo is undefined, then
|
||
if (unit.is_one_of("year"sv, "month"sv, "week"sv) && !relative_to_object) {
|
||
// a. Throw a RangeError exception.
|
||
return vm.throw_completion<RangeError>(global_object, ErrorType::OptionIsNotValidValue, unit, "smallestUnit"sv);
|
||
}
|
||
|
||
// 4. Let zonedRelativeTo be undefined.
|
||
ZonedDateTime* zoned_relative_to = nullptr;
|
||
|
||
// 5. If relativeTo is not undefined, then
|
||
if (relative_to_object) {
|
||
// a. If relativeTo has an [[InitializedTemporalZonedDateTime]] internal slot, then
|
||
if (is<ZonedDateTime>(relative_to_object)) {
|
||
auto* relative_to_zoned_date_time = static_cast<ZonedDateTime*>(relative_to_object);
|
||
|
||
// i. Let instant be ! CreateTemporalInstant(relativeTo.[[Nanoseconds]]).
|
||
auto* instant = MUST(create_temporal_instant(global_object, relative_to_zoned_date_time->nanoseconds()));
|
||
|
||
// ii. Set zonedRelativeTo to relativeTo.
|
||
zoned_relative_to = relative_to_zoned_date_time;
|
||
|
||
// iii. Let plainDateTime be ? BuiltinTimeZoneGetPlainDateTimeFor(relativeTo.[[TimeZone]], instant, relativeTo.[[Calendar]]).
|
||
auto* plain_date_time = TRY(builtin_time_zone_get_plain_date_time_for(global_object, &relative_to_zoned_date_time->time_zone(), *instant, relative_to_zoned_date_time->calendar()));
|
||
|
||
// iv. Set relativeTo to ! CreateTemporalDate(plainDateTime.[[ISOYear]], plainDateTime.[[ISOMonth]], plainDateTime.[[ISODay]], relativeTo.[[Calendar]]).
|
||
relative_to = TRY(create_temporal_date(global_object, plain_date_time->iso_year(), plain_date_time->iso_month(), plain_date_time->iso_day(), relative_to_zoned_date_time->calendar()));
|
||
}
|
||
// b. Else,
|
||
else {
|
||
// i. Assert: relativeTo has an [[InitializedTemporalDate]] internal slot.
|
||
VERIFY(is<PlainDate>(relative_to_object));
|
||
|
||
relative_to = static_cast<PlainDate*>(relative_to_object);
|
||
}
|
||
|
||
// c. Let calendar be relativeTo.[[Calendar]].
|
||
calendar = &relative_to->calendar();
|
||
}
|
||
|
||
// 6. If unit is one of "year", "month", "week", or "day", then
|
||
if (unit.is_one_of("year"sv, "month"sv, "week"sv, "day"sv)) {
|
||
auto* nanoseconds_bigint = js_bigint(vm, Crypto::SignedBigInteger::create_from((i64)nanoseconds));
|
||
|
||
// a. Let nanoseconds be ! TotalDurationNanoseconds(0, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, 0).
|
||
nanoseconds_bigint = total_duration_nanoseconds(global_object, 0, hours, minutes, seconds, milliseconds, microseconds, *nanoseconds_bigint, 0);
|
||
|
||
// b. Let intermediate be undefined.
|
||
ZonedDateTime* intermediate = nullptr;
|
||
|
||
// c. If zonedRelativeTo is not undefined, then
|
||
if (zoned_relative_to) {
|
||
// i. Let intermediate be ? MoveRelativeZonedDateTime(zonedRelativeTo, years, months, weeks, days).
|
||
intermediate = TRY(move_relative_zoned_date_time(global_object, *zoned_relative_to, years, months, weeks, days));
|
||
}
|
||
|
||
// d. Let result be ? NanosecondsToDays(nanoseconds, intermediate).
|
||
auto result = TRY(nanoseconds_to_days(global_object, *nanoseconds_bigint, intermediate));
|
||
|
||
// e. Set days to days + result.[[Days]] + result.[[Nanoseconds]] / result.[[DayLength]].
|
||
auto nanoseconds_division_result = result.nanoseconds.cell()->big_integer().divided_by(Crypto::UnsignedBigInteger::create_from((u64)result.day_length));
|
||
days += result.days + nanoseconds_division_result.quotient.to_double() + nanoseconds_division_result.remainder.to_double() / result.day_length;
|
||
|
||
// f. Set hours, minutes, seconds, milliseconds, microseconds, and nanoseconds to 0.
|
||
hours = 0;
|
||
minutes = 0;
|
||
seconds = 0;
|
||
milliseconds = 0;
|
||
microseconds = 0;
|
||
nanoseconds = 0;
|
||
}
|
||
// 7. Else,
|
||
else {
|
||
// a. Let fractionalSeconds be nanoseconds × 10^−9 + microseconds × 10^−6 + milliseconds × 10^−3 + seconds.
|
||
fractional_seconds = nanoseconds * 0.000000001 + microseconds * 0.000001 + milliseconds * 0.001 + seconds;
|
||
}
|
||
|
||
// 8. Let remainder be undefined.
|
||
double remainder = 0;
|
||
|
||
// 9. If unit is "year", then
|
||
if (unit == "year"sv) {
|
||
VERIFY(relative_to);
|
||
|
||
// a. Let yearsDuration be ? CreateTemporalDuration(years, 0, 0, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* years_duration = TRY(create_temporal_duration(global_object, years, 0, 0, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// b. Let dateAdd be ? GetMethod(calendar, "dateAdd").
|
||
auto* date_add = TRY(Value(calendar).get_method(global_object, vm.names.dateAdd));
|
||
|
||
// c. Let firstAddOptions be ! OrdinaryObjectCreate(null).
|
||
auto* first_add_options = Object::create(global_object, nullptr);
|
||
|
||
// d. Let yearsLater be ? CalendarDateAdd(calendar, relativeTo, yearsDuration, firstAddOptions, dateAdd).
|
||
auto* years_later = TRY(calendar_date_add(global_object, *calendar, relative_to, *years_duration, first_add_options, date_add));
|
||
|
||
// e. Let yearsMonthsWeeks be ? CreateTemporalDuration(years, months, weeks, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* years_months_weeks = TRY(create_temporal_duration(global_object, years, months, weeks, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// f. Let secondAddOptions be ! OrdinaryObjectCreate(null).
|
||
auto* second_add_options = Object::create(global_object, nullptr);
|
||
|
||
// g. Let yearsMonthsWeeksLater be ? CalendarDateAdd(calendar, relativeTo, yearsMonthsWeeks, secondAddOptions, dateAdd).
|
||
auto* years_months_weeks_later = TRY(calendar_date_add(global_object, *calendar, relative_to, *years_months_weeks, second_add_options, date_add));
|
||
|
||
// h. Let monthsWeeksInDays be ? DaysUntil(yearsLater, yearsMonthsWeeksLater).
|
||
auto months_weeks_in_days = days_until(global_object, *years_later, *years_months_weeks_later);
|
||
|
||
// i. Set relativeTo to yearsLater.
|
||
relative_to = years_later;
|
||
|
||
// j. Let days be days + monthsWeeksInDays.
|
||
days += months_weeks_in_days;
|
||
|
||
// k. Let daysDuration be ? CreateTemporalDuration(0, 0, 0, days, 0, 0, 0, 0, 0, 0).
|
||
auto* days_duration = TRY(create_temporal_duration(global_object, 0, 0, 0, days, 0, 0, 0, 0, 0, 0));
|
||
|
||
// l. Let thirdAddOptions be ! OrdinaryObjectCreate(null).
|
||
auto* third_add_options = Object::create(global_object, nullptr);
|
||
|
||
// m. Let daysLater be ? CalendarDateAdd(calendar, relativeTo, daysDuration, thirdAddOptions, dateAdd).
|
||
auto* days_later = TRY(calendar_date_add(global_object, *calendar, relative_to, *days_duration, third_add_options, date_add));
|
||
|
||
// n. Let untilOptions be ! OrdinaryObjectCreate(null).
|
||
auto* until_options = Object::create(global_object, nullptr);
|
||
|
||
// o. Perform ! CreateDataPropertyOrThrow(untilOptions, "largestUnit", "year").
|
||
MUST(until_options->create_data_property_or_throw(vm.names.largestUnit, js_string(vm, "year"sv)));
|
||
|
||
// p. Let timePassed be ? CalendarDateUntil(calendar, relativeTo, daysLater, untilOptions).
|
||
auto* time_passed = TRY(calendar_date_until(global_object, *calendar, relative_to, days_later, *until_options));
|
||
|
||
// q. Let yearsPassed be timePassed.[[Years]].
|
||
auto years_passed = time_passed->years();
|
||
|
||
// r. Set years to years + yearsPassed.
|
||
years += years_passed;
|
||
|
||
// s. Let oldRelativeTo be relativeTo.
|
||
auto* old_relative_to = relative_to;
|
||
|
||
// t. Let yearsDuration be ? CreateTemporalDuration(yearsPassed, 0, 0, 0, 0, 0, 0, 0, 0, 0).
|
||
years_duration = TRY(create_temporal_duration(global_object, years_passed, 0, 0, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// u. Let fourthAddOptions be ! OrdinaryObjectCreate(null).
|
||
auto* fourth_add_options = Object::create(global_object, nullptr);
|
||
|
||
// v. Set relativeTo to ? CalendarDateAdd(calendar, relativeTo, yearsDuration, fourthAddOptions, dateAdd).
|
||
relative_to = TRY(calendar_date_add(global_object, *calendar, relative_to, *years_duration, fourth_add_options, date_add));
|
||
|
||
// w. Let daysPassed be ? DaysUntil(oldRelativeTo, relativeTo).
|
||
auto days_passed = days_until(global_object, *old_relative_to, *relative_to);
|
||
|
||
// x. Set days to days - daysPassed.
|
||
days -= days_passed;
|
||
|
||
// y. Let sign be ! Sign(days).
|
||
auto sign = JS::Temporal::sign(days);
|
||
|
||
// z. If sign is 0, set sign to 1.
|
||
if (sign == 0)
|
||
sign = 1;
|
||
|
||
// aa. Let oneYear be ? CreateTemporalDuration(sign, 0, 0, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* one_year = TRY(create_temporal_duration(global_object, sign, 0, 0, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// ab. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneYear).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, *relative_to, *one_year));
|
||
|
||
// ac. Let oneYearDays be moveResult.[[Days]].
|
||
auto one_year_days = move_result.days;
|
||
|
||
// ad. Let fractionalYears be years + days / abs(oneYearDays).
|
||
auto fractional_years = years + days / fabs(one_year_days);
|
||
|
||
// ae. Set years to ! RoundNumberToIncrement(fractionalYears, increment, roundingMode).
|
||
years = (double)round_number_to_increment(fractional_years, increment, rounding_mode);
|
||
|
||
// af. Set remainder to fractionalYears - years.
|
||
remainder = fractional_years - years;
|
||
|
||
// ag. Set months, weeks, and days to 0.
|
||
months = 0;
|
||
weeks = 0;
|
||
days = 0;
|
||
}
|
||
// 10. Else if unit is "month", then
|
||
else if (unit == "month"sv) {
|
||
VERIFY(relative_to);
|
||
|
||
// a. Let yearsMonths be ? CreateTemporalDuration(years, months, 0, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* years_months = TRY(create_temporal_duration(global_object, years, months, 0, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// b. Let dateAdd be ? GetMethod(calendar, "dateAdd").
|
||
auto* date_add = TRY(Value(calendar).get_method(global_object, vm.names.dateAdd));
|
||
|
||
// c. Let firstAddOptions be ! OrdinaryObjectCreate(null).
|
||
auto* first_add_options = Object::create(global_object, nullptr);
|
||
|
||
// d. Let yearsMonthsLater be ? CalendarDateAdd(calendar, relativeTo, yearsMonths, firstAddOptions, dateAdd).
|
||
auto* years_months_later = TRY(calendar_date_add(global_object, *calendar, relative_to, *years_months, first_add_options, date_add));
|
||
|
||
// e. Let yearsMonthsWeeks be ? CreateTemporalDuration(years, months, weeks, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* years_months_weeks = TRY(create_temporal_duration(global_object, years, months, weeks, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// f. Let secondAddOptions be ! OrdinaryObjectCreate(null).
|
||
auto* seconds_add_options = Object::create(global_object, nullptr);
|
||
|
||
// g. Let yearsMonthsWeeksLater be ? CalendarDateAdd(calendar, relativeTo, yearsMonthsWeeks, secondAddOptions, dateAdd).
|
||
auto* years_months_weeks_later = TRY(calendar_date_add(global_object, *calendar, relative_to, *years_months_weeks, seconds_add_options, date_add));
|
||
|
||
// h. Let weeksInDays be ? DaysUntil(yearsMonthsLater, yearsMonthsWeeksLater).
|
||
auto weeks_in_days = days_until(global_object, *years_months_later, *years_months_weeks_later);
|
||
|
||
// i. Set relativeTo to yearsMonthsLater.
|
||
relative_to = years_months_later;
|
||
|
||
// j. Let days be days + weeksInDays.
|
||
days += weeks_in_days;
|
||
|
||
// k. Let sign be ! Sign(days).
|
||
auto sign = JS::Temporal::sign(days);
|
||
|
||
// l. If sign is 0, set sign to 1.
|
||
if (sign == 0)
|
||
sign = 1;
|
||
|
||
// m. Let oneMonth be ? CreateTemporalDuration(0, sign, 0, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* one_month = TRY(create_temporal_duration(global_object, 0, sign, 0, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// n. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneMonth).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, *relative_to, *one_month));
|
||
|
||
// o. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// p. Let oneMonthDays be moveResult.[[Days]].
|
||
auto one_month_days = move_result.days;
|
||
|
||
// q. Repeat, while abs(days) ≥ abs(oneMonthDays),
|
||
while (fabs(days) >= fabs(one_month_days)) {
|
||
// i. Set months to months + sign.
|
||
months += sign;
|
||
|
||
// ii. Set days to days − oneMonthDays.
|
||
days -= one_month_days;
|
||
|
||
// iii. Set moveResult to ? MoveRelativeDate(calendar, relativeTo, oneMonth).
|
||
move_result = TRY(move_relative_date(global_object, *calendar, *relative_to, *one_month));
|
||
|
||
// iv. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// v. Set oneMonthDays to moveResult.[[Days]].
|
||
one_month_days = move_result.days;
|
||
}
|
||
|
||
// r. Let fractionalMonths be months + days / abs(oneMonthDays).
|
||
auto fractional_months = months + days / fabs(one_month_days);
|
||
|
||
// s. Set months to ! RoundNumberToIncrement(fractionalMonths, increment, roundingMode).
|
||
months = (double)round_number_to_increment(fractional_months, increment, rounding_mode);
|
||
|
||
// t. Set remainder to fractionalMonths - months.
|
||
remainder = fractional_months - months;
|
||
|
||
// u. Set weeks and days to 0.
|
||
weeks = 0;
|
||
days = 0;
|
||
}
|
||
// 11. Else if unit is "week", then
|
||
else if (unit == "week"sv) {
|
||
VERIFY(relative_to);
|
||
|
||
// a. Let sign be ! Sign(days).
|
||
auto sign = JS::Temporal::sign(days);
|
||
|
||
// b. If sign is 0, set sign to 1.
|
||
if (sign == 0)
|
||
sign = 1;
|
||
|
||
// c. Let oneWeek be ? CreateTemporalDuration(0, 0, sign, 0, 0, 0, 0, 0, 0, 0).
|
||
auto* one_week = TRY(create_temporal_duration(global_object, 0, 0, sign, 0, 0, 0, 0, 0, 0, 0));
|
||
|
||
// d. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneWeek).
|
||
auto move_result = TRY(move_relative_date(global_object, *calendar, *relative_to, *one_week));
|
||
|
||
// e. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// f. Let oneWeekDays be moveResult.[[Days]].
|
||
auto one_week_days = move_result.days;
|
||
|
||
// g. Repeat, while abs(days) ≥ abs(oneWeekDays),
|
||
while (fabs(days) >= fabs(one_week_days)) {
|
||
// i. Set weeks to weeks + sign.
|
||
weeks += sign;
|
||
|
||
// ii. Set days to days − oneWeekDays.
|
||
days -= one_week_days;
|
||
|
||
// iii. Set moveResult to ? MoveRelativeDate(calendar, relativeTo, oneWeek).
|
||
move_result = TRY(move_relative_date(global_object, *calendar, *relative_to, *one_week));
|
||
|
||
// iv. Set relativeTo to moveResult.[[RelativeTo]].
|
||
relative_to = move_result.relative_to.cell();
|
||
|
||
// v. Set oneWeekDays to moveResult.[[Days]].
|
||
one_week_days = move_result.days;
|
||
}
|
||
|
||
// h. Let fractionalWeeks be weeks + days / abs(oneWeekDays).
|
||
auto fractional_weeks = weeks + days / fabs(one_week_days);
|
||
|
||
// i. Set weeks to ! RoundNumberToIncrement(fractionalWeeks, increment, roundingMode).
|
||
weeks = (double)round_number_to_increment(fractional_weeks, increment, rounding_mode);
|
||
|
||
// j. Set remainder to fractionalWeeks - weeks.
|
||
remainder = fractional_weeks - weeks;
|
||
|
||
// k. Set days to 0.
|
||
days = 0;
|
||
}
|
||
// 12. Else if unit is "day", then
|
||
else if (unit == "day"sv) {
|
||
// a. Let fractionalDays be days.
|
||
auto fractional_days = days;
|
||
|
||
// b. Set days to ! RoundNumberToIncrement(days, increment, roundingMode).
|
||
days = (double)round_number_to_increment(days, increment, rounding_mode);
|
||
|
||
// c. Set remainder to fractionalDays - days.
|
||
remainder = fractional_days - days;
|
||
}
|
||
// 13. Else if unit is "hour", then
|
||
else if (unit == "hour"sv) {
|
||
// a. Let fractionalHours be (fractionalSeconds / 60 + minutes) / 60 + hours.
|
||
auto fractional_hours = (fractional_seconds / 60 + minutes) / 60 + hours;
|
||
|
||
// b. Set hours to ! RoundNumberToIncrement(fractionalHours, increment, roundingMode).
|
||
hours = (double)round_number_to_increment(fractional_hours, increment, rounding_mode);
|
||
|
||
// c. Set remainder to fractionalHours - hours.
|
||
remainder = fractional_hours - hours;
|
||
|
||
// d. Set minutes, seconds, milliseconds, microseconds, and nanoseconds to 0.
|
||
minutes = 0;
|
||
seconds = 0;
|
||
milliseconds = 0;
|
||
microseconds = 0;
|
||
nanoseconds = 0;
|
||
}
|
||
// 14. Else if unit is "minute", then
|
||
else if (unit == "minute"sv) {
|
||
// a. Let fractionalMinutes be fractionalSeconds / 60 + minutes.
|
||
auto fractional_minutes = fractional_seconds / 60 + minutes;
|
||
|
||
// b. Set minutes to ! RoundNumberToIncrement(fractionalMinutes, increment, roundingMode).
|
||
minutes = (double)round_number_to_increment(fractional_minutes, increment, rounding_mode);
|
||
|
||
// c. Set remainder to fractionalMinutes - minutes.
|
||
remainder = fractional_minutes - minutes;
|
||
|
||
// d. Set seconds, milliseconds, microseconds, and nanoseconds to 0.
|
||
seconds = 0;
|
||
milliseconds = 0;
|
||
microseconds = 0;
|
||
nanoseconds = 0;
|
||
}
|
||
// 15. Else if unit is "second", then
|
||
else if (unit == "second"sv) {
|
||
// a. Set seconds to ! RoundNumberToIncrement(fractionalSeconds, increment, roundingMode).
|
||
seconds = (double)round_number_to_increment(fractional_seconds, increment, rounding_mode);
|
||
|
||
// b. Set remainder to fractionalSeconds - seconds.
|
||
remainder = fractional_seconds - seconds;
|
||
|
||
// c. Set milliseconds, microseconds, and nanoseconds to 0.
|
||
milliseconds = 0;
|
||
microseconds = 0;
|
||
nanoseconds = 0;
|
||
}
|
||
// 16. Else if unit is "millisecond", then
|
||
else if (unit == "millisecond"sv) {
|
||
// a. Let fractionalMilliseconds be nanoseconds × 10^−6 + microseconds × 10^−3 + milliseconds.
|
||
auto fractional_milliseconds = nanoseconds * 0.000001 + microseconds * 0.001 + milliseconds;
|
||
|
||
// b. Set milliseconds to ! RoundNumberToIncrement(fractionalMilliseconds, increment, roundingMode).
|
||
milliseconds = (double)round_number_to_increment(fractional_milliseconds, increment, rounding_mode);
|
||
|
||
// c. Set remainder to fractionalMilliseconds - milliseconds.
|
||
remainder = fractional_milliseconds - milliseconds;
|
||
|
||
// d. Set microseconds and nanoseconds to 0.
|
||
microseconds = 0;
|
||
nanoseconds = 0;
|
||
}
|
||
// 17. Else if unit is "microsecond", then
|
||
else if (unit == "microsecond"sv) {
|
||
// a. Let fractionalMicroseconds be nanoseconds × 10^−3 + microseconds.
|
||
auto fractional_microseconds = nanoseconds * 0.001 + microseconds;
|
||
|
||
// b. Set microseconds to ! RoundNumberToIncrement(fractionalMicroseconds, increment, roundingMode).
|
||
microseconds = (double)round_number_to_increment(fractional_microseconds, increment, rounding_mode);
|
||
|
||
// c. Set remainder to fractionalMicroseconds - microseconds.
|
||
remainder = fractional_microseconds - microseconds;
|
||
|
||
// d. Set nanoseconds to 0.
|
||
nanoseconds = 0;
|
||
}
|
||
// 18. Else,
|
||
else {
|
||
// a. Assert: unit is "nanosecond".
|
||
VERIFY(unit == "nanosecond"sv);
|
||
|
||
// b. Set remainder to nanoseconds.
|
||
remainder = nanoseconds;
|
||
|
||
// c. Set nanoseconds to ! RoundNumberToIncrement(nanoseconds, increment, roundingMode).
|
||
nanoseconds = (double)round_number_to_increment(nanoseconds, increment, rounding_mode);
|
||
|
||
// d. Set remainder to remainder − nanoseconds.
|
||
remainder -= nanoseconds;
|
||
}
|
||
|
||
// Return the Record { [[Years]]: years, [[Months]]: months, [[Weeks]]: weeks, [[Days]]: days, [[Hours]]: hours, [[Minutes]]: minutes, [[Seconds]]: seconds, [[Milliseconds]]: milliseconds, [[Microseconds]]: microseconds, [[Nanoseconds]]: nanoseconds, [[Remainder]]: remainder }.
|
||
return RoundedDuration { .years = years, .months = months, .weeks = weeks, .days = days, .hours = hours, .minutes = minutes, .seconds = seconds, .milliseconds = milliseconds, .microseconds = microseconds, .nanoseconds = nanoseconds, .remainder = remainder };
|
||
}
|
||
|
||
// 7.5.20 ToLimitedTemporalDuration ( temporalDurationLike, disallowedFields ), https://tc39.es/proposal-temporal/#sec-temporal-tolimitedtemporalduration
|
||
ThrowCompletionOr<TemporalDuration> to_limited_temporal_duration(GlobalObject& global_object, Value temporal_duration_like, Vector<StringView> const& disallowed_fields)
|
||
{
|
||
auto& vm = global_object.vm();
|
||
|
||
TemporalDuration duration;
|
||
|
||
// 1. If Type(temporalDurationLike) is not Object, then
|
||
if (!temporal_duration_like.is_object()) {
|
||
// a. Let str be ? ToString(temporalDurationLike).
|
||
auto str = TRY(temporal_duration_like.to_string(global_object));
|
||
|
||
// b. Let duration be ? ParseTemporalDurationString(str).
|
||
duration = TRY(parse_temporal_duration_string(global_object, str));
|
||
}
|
||
// 2. Else,
|
||
else {
|
||
// a. Let duration be ? ToTemporalDurationRecord(temporalDurationLike).
|
||
duration = TRY(to_temporal_duration_record(global_object, temporal_duration_like.as_object()));
|
||
}
|
||
|
||
// 3. If ! IsValidDuration(duration.[[Years]], duration.[[Months]], duration.[[Weeks]], duration.[[Days]], duration.[[Hours]], duration.[[Minutes]], duration.[[Seconds]], duration.[[Milliseconds]], duration.[[Microseconds]], duration.[[Nanoseconds]]) is false, throw a RangeError exception.
|
||
if (!is_valid_duration(duration.years, duration.months, duration.weeks, duration.days, duration.hours, duration.minutes, duration.seconds, duration.milliseconds, duration.microseconds, duration.nanoseconds))
|
||
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidDuration);
|
||
|
||
// 4. For each row of Table 7, except the header row, in table order, do
|
||
for (auto& [internal_slot, property] : temporal_duration_like_properties<TemporalDuration, double>(vm)) {
|
||
// a. Let prop be the Property value of the current row.
|
||
|
||
// b. Let value be duration's internal slot whose name is the Internal Slot value of the current row.
|
||
auto value = duration.*internal_slot;
|
||
|
||
// If value is not 0 and disallowedFields contains prop, then
|
||
if (value != 0 && disallowed_fields.contains_slow(property.as_string())) {
|
||
// i. Throw a RangeError exception.
|
||
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidDurationPropertyValueNonZero, property.as_string(), value);
|
||
}
|
||
}
|
||
|
||
// 5. Return duration.
|
||
return duration;
|
||
}
|
||
|
||
// 7.5.21 TemporalDurationToString ( years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, precision ), https://tc39.es/proposal-temporal/#sec-temporal-temporaldurationtostring
|
||
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)
|
||
{
|
||
// 1. Assert: precision is not "minute".
|
||
if (precision.has<StringView>())
|
||
VERIFY(precision.get<StringView>() != "minute"sv);
|
||
|
||
// 2. Set seconds to the mathematical value of seconds.
|
||
// 3. Set milliseconds to the mathematical value of milliseconds.
|
||
// 4. Set microseconds to the mathematical value of microseconds.
|
||
// 5. Set nanoseconds to the mathematical value of nanoseconds.
|
||
|
||
// 6. Let sign be ! DurationSign(years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds).
|
||
auto sign = duration_sign(years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds);
|
||
|
||
// 7. Set microseconds to microseconds + the integral part of nanoseconds / 1000.
|
||
microseconds += trunc(nanoseconds / 1000);
|
||
|
||
// 8. Set nanoseconds to remainder(nanoseconds, 1000).
|
||
nanoseconds = fmod(nanoseconds, 1000);
|
||
|
||
// 9. Set milliseconds to milliseconds + the integral part of microseconds / 1000.
|
||
milliseconds += trunc(microseconds / 1000);
|
||
|
||
// 10. Set microseconds to remainder(microseconds, 1000).
|
||
microseconds = fmod(microseconds, 1000);
|
||
|
||
// 11. Set seconds to seconds + the integral part of milliseconds / 1000.
|
||
seconds += trunc(milliseconds / 1000);
|
||
|
||
// 12. Set milliseconds to remainder(milliseconds, 1000).
|
||
milliseconds = fmod(milliseconds, 1000);
|
||
|
||
// 13. Let datePart be "".
|
||
StringBuilder date_part;
|
||
|
||
// 14. If years is not 0, then
|
||
if (years != 0) {
|
||
// a. Set datePart to the string concatenation of abs(years) formatted as a decimal number and the code unit 0x0059 (LATIN CAPITAL LETTER Y).
|
||
date_part.appendff("{}", fabs(years));
|
||
date_part.append('Y');
|
||
}
|
||
|
||
// 15. If months is not 0, then
|
||
if (months != 0) {
|
||
// a. Set datePart to the string concatenation of datePart, abs(months) formatted as a decimal number, and the code unit 0x004D (LATIN CAPITAL LETTER M).
|
||
date_part.appendff("{}", fabs(months));
|
||
date_part.append('M');
|
||
}
|
||
|
||
// 16. If weeks is not 0, then
|
||
if (weeks != 0) {
|
||
// a. Set datePart to the string concatenation of datePart, abs(weeks) formatted as a decimal number, and the code unit 0x0057 (LATIN CAPITAL LETTER W).
|
||
date_part.appendff("{}", fabs(weeks));
|
||
date_part.append('W');
|
||
}
|
||
|
||
// 17. If days is not 0, then
|
||
if (days != 0) {
|
||
// a. Set datePart to the string concatenation of datePart, abs(days) formatted as a decimal number, and the code unit 0x0044 (LATIN CAPITAL LETTER D).
|
||
date_part.appendff("{}", fabs(days));
|
||
date_part.append('D');
|
||
}
|
||
|
||
// 18. Let timePart be "".
|
||
StringBuilder time_part;
|
||
|
||
// 19. If hours is not 0, then
|
||
if (hours != 0) {
|
||
// a. Set timePart to the string concatenation of abs(hours) formatted as a decimal number and the code unit 0x0048 (LATIN CAPITAL LETTER H).
|
||
time_part.appendff("{}", fabs(hours));
|
||
time_part.append('H');
|
||
}
|
||
|
||
// 20. If minutes is not 0, then
|
||
if (minutes != 0) {
|
||
// a. Set timePart to the string concatenation of timePart, abs(minutes) formatted as a decimal number, and the code unit 0x004D (LATIN CAPITAL LETTER M).
|
||
time_part.appendff("{}", fabs(minutes));
|
||
time_part.append('M');
|
||
}
|
||
|
||
// 21. If any of seconds, milliseconds, microseconds, and nanoseconds are not 0; or years, months, weeks, days, hours, and minutes are all 0, then
|
||
if ((seconds != 0 || milliseconds != 0 || microseconds != 0 || nanoseconds != 0) || (years == 0 && months == 0 && weeks == 0 && days == 0 && hours == 0 && minutes == 0)) {
|
||
// a. Let fraction be abs(milliseconds) × 10^6 + abs(microseconds) × 10^3 + abs(nanoseconds).
|
||
auto fraction = fabs(milliseconds) * 1'000'000 + fabs(microseconds) * 1'000 + fabs(nanoseconds);
|
||
|
||
// b. Let decimalPart be fraction formatted as a nine-digit decimal number, padded to the left with zeroes if necessary.
|
||
// NOTE: padding with zeros leads to weird results when applied to a double. Not sure if that's a bug in AK/Format.h or if I'm doing this wrong.
|
||
auto decimal_part = String::formatted("{:09}", (u64)fraction);
|
||
|
||
// c. If precision is "auto", then
|
||
if (precision.has<StringView>() && precision.get<StringView>() == "auto"sv) {
|
||
// i. Set decimalPart to the longest possible substring of decimalPart starting at position 0 and not ending with the code unit 0x0030 (DIGIT ZERO).
|
||
// NOTE: trim() would keep the left-most 0.
|
||
while (decimal_part.ends_with('0'))
|
||
decimal_part = decimal_part.substring(0, decimal_part.length() - 1);
|
||
}
|
||
// d. Else if precision = 0, then
|
||
else if (precision.get<u8>() == 0) {
|
||
// i. Set decimalPart to "".
|
||
decimal_part = String::empty();
|
||
}
|
||
// e. Else,
|
||
else {
|
||
// i. Set decimalPart to the substring of decimalPart from 0 to precision.
|
||
decimal_part = decimal_part.substring(0, precision.get<u8>());
|
||
}
|
||
|
||
// f. Let secondsPart be abs(seconds) formatted as a decimal number.
|
||
StringBuilder seconds_part;
|
||
seconds_part.appendff("{}", fabs(seconds));
|
||
|
||
// g. If decimalPart is not "", then
|
||
if (!decimal_part.is_empty()) {
|
||
// i. Set secondsPart to the string-concatenation of secondsPart, the code unit 0x002E (FULL STOP), and decimalPart.
|
||
seconds_part.append('.');
|
||
seconds_part.append(decimal_part);
|
||
}
|
||
|
||
// h. Set timePart to the string concatenation of timePart, secondsPart, and the code unit 0x0053 (LATIN CAPITAL LETTER S).
|
||
time_part.append(seconds_part.string_view());
|
||
time_part.append('S');
|
||
}
|
||
|
||
// 22. Let signPart be the code unit 0x002D (HYPHEN-MINUS) if sign < 0, and otherwise the empty String.
|
||
auto sign_part = sign < 0 ? "-"sv : ""sv;
|
||
|
||
// 23. Let result be the string concatenation of signPart, the code unit 0x0050 (LATIN CAPITAL LETTER P) and datePart.
|
||
StringBuilder result;
|
||
result.append(sign_part);
|
||
result.append('P');
|
||
result.append(date_part.string_view());
|
||
|
||
// 24. If timePart is not "", then
|
||
if (!time_part.is_empty()) {
|
||
// a. Set result to the string concatenation of result, the code unit 0x0054 (LATIN CAPITAL LETTER T), and timePart.
|
||
result.append('T');
|
||
result.append(time_part.string_view());
|
||
}
|
||
|
||
// 25. Return result.
|
||
return result.to_string();
|
||
}
|
||
|
||
}
|