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LibJS: Implement Temporal.Duration.prototype.with()
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@ -70,6 +70,75 @@ bool is_valid_duration(double years, double months, double weeks, double days, d
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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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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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vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObject, temporal_duration_like.to_string_without_side_effects());
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return {};
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}
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// 2. Let result be the new 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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struct PartialDurationProperty {
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Optional<double> PartialDuration::*internal_slot { nullptr };
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PropertyName property;
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};
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auto properties = AK::Array<PartialDurationProperty, 10> {
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PartialDurationProperty { &PartialDuration::years, vm.names.years },
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PartialDurationProperty { &PartialDuration::months, vm.names.months },
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PartialDurationProperty { &PartialDuration::weeks, vm.names.weeks },
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PartialDurationProperty { &PartialDuration::days, vm.names.days },
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PartialDurationProperty { &PartialDuration::hours, vm.names.hours },
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PartialDurationProperty { &PartialDuration::minutes, vm.names.minutes },
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PartialDurationProperty { &PartialDuration::seconds, vm.names.seconds },
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PartialDurationProperty { &PartialDuration::milliseconds, vm.names.milliseconds },
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PartialDurationProperty { &PartialDuration::microseconds, vm.names.microseconds },
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PartialDurationProperty { &PartialDuration::nanoseconds, vm.names.nanoseconds },
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};
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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] : properties) {
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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 = temporal_duration_like.as_object().get(property);
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if (vm.exception())
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return {};
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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 ? ToIntegerOrInfinity(value).
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auto value_number = value.to_integer_or_infinity(global_object);
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if (vm.exception())
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return {};
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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_number;
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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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vm.throw_exception<TypeError>(global_object, ErrorType::TemporalInvalidDurationLikeObject);
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return {};
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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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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* new_target)
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{
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