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LibJS: Adjust order of operations in ISO{Date,MonthDay}FromFields

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This is a normative change in the Temporal spec.

See: 7dd90dc
This commit is contained in:
Linus Groh 2022-06-15 00:45:31 +01:00
parent 3bc54ac75a
commit 569c2dc1d0
8 changed files with 32 additions and 40 deletions
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40
Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp
View file

@ -738,33 +738,25 @@ ThrowCompletionOr<ISODateRecord> iso_date_from_fields(GlobalObject& global_objec
// 2. Let overflow be ? ToTemporalOverflow(options).
auto overflow = TRY(to_temporal_overflow(global_object, &options));
// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », «»).
auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day", "month", "monthCode", "year" }, Vector<StringView> {}));
// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », « "year", "day" »).
auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day", "month", "monthCode", "year" }, Vector<StringView> { "year"sv, "day"sv }));
// 4. Let year be ! Get(fields, "year").
auto year = MUST(prepared_fields->get(vm.names.year));
// 5. If year is undefined, throw a TypeError exception.
if (year.is_undefined())
return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, vm.names.year.as_string());
// 6. Assert: Type(year) is Number.
// 5. Assert: Type(year) is Number.
VERIFY(year.is_number());
// 7. Let month be ? ResolveISOMonth(fields).
// 6. Let month be ? ResolveISOMonth(fields).
auto month = TRY(resolve_iso_month(global_object, *prepared_fields));
// 8. Let day be ! Get(fields, "day").
// 7. Let day be ! Get(fields, "day").
auto day = MUST(prepared_fields->get(vm.names.day));
// 9. If day is undefined, throw a TypeError exception.
if (day.is_undefined())
return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, vm.names.day.as_string());
// 10. Assert: Type(day) is Number.
// 8. Assert: Type(day) is Number.
VERIFY(day.is_number());
// 11. Return ? RegulateISODate(ℝ(year), month, ℝ(day), overflow).
// 9. Return ? RegulateISODate(ℝ(year), month, ℝ(day), overflow).
return regulate_iso_date(global_object, year.as_double(), month, day.as_double(), overflow);
}
@ -807,8 +799,8 @@ ThrowCompletionOr<ISOMonthDay> iso_month_day_from_fields(GlobalObject& global_ob
// 2. Let overflow be ? ToTemporalOverflow(options).
auto overflow = TRY(to_temporal_overflow(global_object, &options));
// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », «»).
auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day"sv, "month"sv, "monthCode"sv, "year"sv }, Vector<StringView> {}));
// 3. Set fields to ? PrepareTemporalFields(fields, « "day", "month", "monthCode", "year" », « "day" »).
auto* prepared_fields = TRY(prepare_temporal_fields(global_object, fields, { "day"sv, "month"sv, "monthCode"sv, "year"sv }, Vector<StringView> { "day"sv }));
// 4. Let month be ! Get(fields, "month").
auto month_value = MUST(prepared_fields->get(vm.names.month));
@ -831,19 +823,15 @@ ThrowCompletionOr<ISOMonthDay> iso_month_day_from_fields(GlobalObject& global_ob
// 9. Let day be ! Get(fields, "day").
auto day = MUST(prepared_fields->get(vm.names.day));
// 10. If day is undefined, throw a TypeError exception.
if (day.is_undefined())
return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, vm.names.day.as_string());
// 11. Assert: Type(day) is Number.
// 10. Assert: Type(day) is Number.
VERIFY(day.is_number());
// 12. Let referenceISOYear be 1972 (the first leap year after the Unix epoch).
// 11. Let referenceISOYear be 1972 (the first leap year after the Unix epoch).
i32 reference_iso_year = 1972;
Optional<ISODateRecord> result;
// 13. If monthCode is undefined, then
// 12. If monthCode is undefined, then
if (month_code.is_undefined()) {
// a. Assert: Type(year) is Number.
VERIFY(year.is_number());
@ -851,13 +839,13 @@ ThrowCompletionOr<ISOMonthDay> iso_month_day_from_fields(GlobalObject& global_ob
// b. Let result be ? RegulateISODate(ℝ(year), month, ℝ(day), overflow).
result = TRY(regulate_iso_date(global_object, year.as_double(), month, day.as_double(), overflow));
}
// 14. Else,
// 13. Else,
else {
// a. Let result be ? RegulateISODate(referenceISOYear, month, ℝ(day), overflow).
result = TRY(regulate_iso_date(global_object, reference_iso_year, month, day.as_double(), overflow));
}
// 15. Return the Record { [[Month]]: result.[[Month]], [[Day]]: result.[[Day]], [[ReferenceISOYear]]: referenceISOYear }.
// 14. Return the Record { [[Month]]: result.[[Month]], [[Day]]: result.[[Day]], [[ReferenceISOYear]]: referenceISOYear }.
return ISOMonthDay { .month = result->month, .day = result->day, .reference_iso_year = reference_iso_year };
}

2
Userland/Libraries/LibJS/Tests/builtins/Temporal/Calendar/Calendar.prototype.era.js
View file

@ -21,6 +21,6 @@ describe("errors", () => {
const calendar = new Temporal.Calendar("iso8601");
expect(() => {
calendar.era({});
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
});
});

2
Userland/Libraries/LibJS/Tests/builtins/Temporal/Calendar/Calendar.prototype.eraYear.js
View file

@ -21,6 +21,6 @@ describe("errors", () => {
const calendar = new Temporal.Calendar("iso8601");
expect(() => {
calendar.eraYear({});
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
});
});

2
Userland/Libraries/LibJS/Tests/builtins/Temporal/Calendar/Calendar.prototype.monthDayFromFields.js
View file

@ -37,7 +37,7 @@ describe("errors", () => {
test("month or monthCode field is required", () => {
const calendar = new Temporal.Calendar("iso8601");
expect(() => {
calendar.monthDayFromFields({ year: 2021 });
calendar.monthDayFromFields({ year: 2021, day: 1 });
}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
});

8
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDateTime/PlainDateTime.from.js
View file

@ -113,13 +113,13 @@ describe("errors", () => {
test("missing fields", () => {
expect(() => {
Temporal.PlainDateTime.from({});
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
expect(() => {
Temporal.PlainDateTime.from({ year: 0 });
Temporal.PlainDateTime.from({ year: 0, day: 1 });
}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
expect(() => {
Temporal.PlainDateTime.from({ year: 0, month: 1 });
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
Temporal.PlainDateTime.from({ month: 1, day: 1 });
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
});
test("with 'reject' overflow option", () => {

2
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainMonthDay/PlainMonthDay.from.js
View file

@ -52,7 +52,7 @@ describe("errors", () => {
test("missing fields", () => {
expect(() => {
Temporal.PlainMonthDay.from({});
}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
expect(() => {
Temporal.PlainMonthDay.from({ month: 1 });
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");

8
Userland/Libraries/LibJS/Tests/builtins/Temporal/ZonedDateTime/ZonedDateTime.from.js
View file

@ -129,12 +129,16 @@ describe("errors", () => {
test("requires year property", () => {
expect(() => {
Temporal.ZonedDateTime.from({ timeZone: new Temporal.TimeZone("UTC") });
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
});
test("requires month property", () => {
expect(() => {
Temporal.ZonedDateTime.from({ timeZone: new Temporal.TimeZone("UTC"), year: 2021 });
Temporal.ZonedDateTime.from({
timeZone: new Temporal.TimeZone("UTC"),
day: 1,
year: 2021,
});
}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
});

8
Userland/Libraries/LibJS/Tests/builtins/Temporal/ZonedDateTime/ZonedDateTime.prototype.withPlainDate.js
View file

@ -70,14 +70,14 @@ describe("errors", () => {
test("missing properties", () => {
expect(() => {
new Temporal.ZonedDateTime(1n, {}).withPlainDate({});
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
expect(() => {
new Temporal.ZonedDateTime(1n, {}).withPlainDate({ year: 1 });
new Temporal.ZonedDateTime(1n, {}).withPlainDate({ day: 1, year: 1 });
}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
expect(() => {
new Temporal.ZonedDateTime(1n, {}).withPlainDate({ year: 1, month: 1 });
}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
new Temporal.ZonedDateTime(1n, {}).withPlainDate({ day: 1, month: 1 });
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
});
});