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LibJS: Adjust order of operations in ISO{Date,MonthDay}FromFields
This is a normative change in the Temporal spec.
See: 7dd90dc
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8 changed files with 32 additions and 40 deletions
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@ -738,33 +738,25 @@ ThrowCompletionOr<ISODateRecord> iso_date_from_fields(GlobalObject& global_objec
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// 2. Let overflow be ? ToTemporalOverflow(options).
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auto overflow = TRY(to_temporal_overflow(global_object, &options));
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// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », «»).
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auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day", "month", "monthCode", "year" }, Vector<StringView> {}));
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// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », « "year", "day" »).
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auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day", "month", "monthCode", "year" }, Vector<StringView> { "year"sv, "day"sv }));
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// 4. Let year be ! Get(fields, "year").
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auto year = MUST(prepared_fields->get(vm.names.year));
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// 5. If year is undefined, throw a TypeError exception.
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if (year.is_undefined())
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return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, vm.names.year.as_string());
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// 6. Assert: Type(year) is Number.
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// 5. Assert: Type(year) is Number.
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VERIFY(year.is_number());
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// 7. Let month be ? ResolveISOMonth(fields).
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// 6. Let month be ? ResolveISOMonth(fields).
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auto month = TRY(resolve_iso_month(global_object, *prepared_fields));
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// 8. Let day be ! Get(fields, "day").
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// 7. Let day be ! Get(fields, "day").
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auto day = MUST(prepared_fields->get(vm.names.day));
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// 9. If day is undefined, throw a TypeError exception.
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if (day.is_undefined())
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return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, vm.names.day.as_string());
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// 10. Assert: Type(day) is Number.
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// 8. Assert: Type(day) is Number.
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VERIFY(day.is_number());
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// 11. Return ? RegulateISODate(ℝ(year), month, ℝ(day), overflow).
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// 9. Return ? RegulateISODate(ℝ(year), month, ℝ(day), overflow).
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return regulate_iso_date(global_object, year.as_double(), month, day.as_double(), overflow);
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}
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@ -807,8 +799,8 @@ ThrowCompletionOr<ISOMonthDay> iso_month_day_from_fields(GlobalObject& global_ob
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// 2. Let overflow be ? ToTemporalOverflow(options).
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auto overflow = TRY(to_temporal_overflow(global_object, &options));
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// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », «»).
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auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day"sv, "month"sv, "monthCode"sv, "year"sv }, Vector<StringView> {}));
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// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », « "day" »).
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auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day"sv, "month"sv, "monthCode"sv, "year"sv }, Vector<StringView> { "day"sv }));
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// 4. Let month be ! Get(fields, "month").
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auto month_value = MUST(prepared_fields->get(vm.names.month));
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@ -831,19 +823,15 @@ ThrowCompletionOr<ISOMonthDay> iso_month_day_from_fields(GlobalObject& global_ob
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// 9. Let day be ! Get(fields, "day").
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auto day = MUST(prepared_fields->get(vm.names.day));
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// 10. If day is undefined, throw a TypeError exception.
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if (day.is_undefined())
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return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, vm.names.day.as_string());
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// 11. Assert: Type(day) is Number.
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// 10. Assert: Type(day) is Number.
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VERIFY(day.is_number());
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// 12. Let referenceISOYear be 1972 (the first leap year after the Unix epoch).
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// 11. Let referenceISOYear be 1972 (the first leap year after the Unix epoch).
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i32 reference_iso_year = 1972;
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Optional<ISODateRecord> result;
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// 13. If monthCode is undefined, then
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// 12. If monthCode is undefined, then
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if (month_code.is_undefined()) {
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// a. Assert: Type(year) is Number.
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VERIFY(year.is_number());
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@ -851,13 +839,13 @@ ThrowCompletionOr<ISOMonthDay> iso_month_day_from_fields(GlobalObject& global_ob
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// b. Let result be ? RegulateISODate(ℝ(year), month, ℝ(day), overflow).
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result = TRY(regulate_iso_date(global_object, year.as_double(), month, day.as_double(), overflow));
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}
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// 14. Else,
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// 13. Else,
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else {
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// a. Let result be ? RegulateISODate(referenceISOYear, month, ℝ(day), overflow).
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result = TRY(regulate_iso_date(global_object, reference_iso_year, month, day.as_double(), overflow));
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}
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// 15. Return the Record { [[Month]]: result.[[Month]], [[Day]]: result.[[Day]], [[ReferenceISOYear]]: referenceISOYear }.
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// 14. Return the Record { [[Month]]: result.[[Month]], [[Day]]: result.[[Day]], [[ReferenceISOYear]]: referenceISOYear }.
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return ISOMonthDay { .month = result->month, .day = result->day, .reference_iso_year = reference_iso_year };
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}
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@ -21,6 +21,6 @@ describe("errors", () => {
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const calendar = new Temporal.Calendar("iso8601");
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expect(() => {
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calendar.era({});
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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});
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});
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@ -21,6 +21,6 @@ describe("errors", () => {
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const calendar = new Temporal.Calendar("iso8601");
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expect(() => {
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calendar.eraYear({});
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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});
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});
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@ -37,7 +37,7 @@ describe("errors", () => {
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test("month or monthCode field is required", () => {
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const calendar = new Temporal.Calendar("iso8601");
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expect(() => {
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calendar.monthDayFromFields({ year: 2021 });
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calendar.monthDayFromFields({ year: 2021, day: 1 });
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}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
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});
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@ -113,13 +113,13 @@ describe("errors", () => {
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test("missing fields", () => {
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expect(() => {
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Temporal.PlainDateTime.from({});
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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expect(() => {
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Temporal.PlainDateTime.from({ year: 0 });
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Temporal.PlainDateTime.from({ year: 0, day: 1 });
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}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
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expect(() => {
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Temporal.PlainDateTime.from({ year: 0, month: 1 });
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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Temporal.PlainDateTime.from({ month: 1, day: 1 });
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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});
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test("with 'reject' overflow option", () => {
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@ -52,7 +52,7 @@ describe("errors", () => {
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test("missing fields", () => {
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expect(() => {
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Temporal.PlainMonthDay.from({});
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}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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expect(() => {
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Temporal.PlainMonthDay.from({ month: 1 });
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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@ -129,12 +129,16 @@ describe("errors", () => {
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test("requires year property", () => {
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expect(() => {
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Temporal.ZonedDateTime.from({ timeZone: new Temporal.TimeZone("UTC") });
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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});
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test("requires month property", () => {
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expect(() => {
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Temporal.ZonedDateTime.from({ timeZone: new Temporal.TimeZone("UTC"), year: 2021 });
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Temporal.ZonedDateTime.from({
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timeZone: new Temporal.TimeZone("UTC"),
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day: 1,
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year: 2021,
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});
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}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
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});
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@ -70,14 +70,14 @@ describe("errors", () => {
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test("missing properties", () => {
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expect(() => {
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new Temporal.ZonedDateTime(1n, {}).withPlainDate({});
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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expect(() => {
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new Temporal.ZonedDateTime(1n, {}).withPlainDate({ year: 1 });
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new Temporal.ZonedDateTime(1n, {}).withPlainDate({ day: 1, year: 1 });
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}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
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expect(() => {
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new Temporal.ZonedDateTime(1n, {}).withPlainDate({ year: 1, month: 1 });
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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new Temporal.ZonedDateTime(1n, {}).withPlainDate({ day: 1, month: 1 });
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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});
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});
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