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LibJS: Implement parsing of TemporalZonedDateTimeString

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This commit is contained in:
Linus Groh 2021-11-19 20:43:52 +00:00
parent 3b1de431cc
commit 98b876ad3f
5 changed files with 62 additions and 19 deletions
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43
Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
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@ -1192,14 +1192,19 @@ ThrowCompletionOr<TemporalInstant> parse_temporal_instant_string(GlobalObject& g
// 13.36 ParseTemporalZonedDateTimeString ( isoString ), https://tc39.es/proposal-temporal/#sec-temporal-parsetemporalzoneddatetimestring
ThrowCompletionOr<TemporalZonedDateTime> parse_temporal_zoned_date_time_string(GlobalObject& global_object, String const& iso_string)
{
auto& vm = global_object.vm();
// 1. Assert: Type(isoString) is String.
// 2. If isoString does not satisfy the syntax of a TemporalZonedDateTimeString (see 13.33), then
// a. Throw a RangeError exception.
// TODO
auto parse_result = parse_iso8601(Production::TemporalZonedDateTimeString, iso_string);
if (!parse_result.has_value()) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidZonedDateTimeString, iso_string);
}
// 3. Let result be ! ParseISODateTime(isoString).
auto result = MUST(parse_iso_date_time(global_object, {}));
auto result = MUST(parse_iso_date_time(global_object, *parse_result));
// 4. Let timeZoneResult be ? ParseTemporalTimeZoneString(isoString).
auto time_zone_result = TRY(parse_temporal_time_zone_string(global_object, iso_string));
@ -1335,18 +1340,30 @@ ThrowCompletionOr<TemporalZonedDateTime> parse_temporal_relative_to_string(Globa
Optional<String> offset;
Optional<String> time_zone;
// TODO: 4. If isoString satisfies the syntax of a TemporalZonedDateTimeString (see 13.33), then
// a. Let timeZoneResult be ! ParseTemporalTimeZoneString(isoString).
// b. Let z be timeZoneResult.[[Z]].
// c. Let offset be timeZoneResult.[[Offset]].
// d. Let timeZone be timeZoneResult.[[Name]].
// 4. If isoString satisfies the syntax of a TemporalZonedDateTimeString (see 13.33), then
auto parse_result = parse_iso8601(Production::TemporalZonedDateTimeString, iso_string);
if (parse_result.has_value()) {
// a. Let timeZoneResult be ! ParseTemporalTimeZoneString(isoString).
// TODO: TRY() instead of MUST() as parse_temporal_time_zone_string() still throws more than it parses :^)
auto time_zone_result = TRY(parse_temporal_time_zone_string(global_object, iso_string));
// TODO: 5. Else,
// a. Let z be false.
z = false;
// b. Let z be timeZoneResult.[[Z]].
z = time_zone_result.z;
// b. Let offset be undefined. (NOTE: It already is)
// c. Let timeZone be undefined. (NOTE: It already is)
// c. Let offset be timeZoneResult.[[Offset]].
offset = time_zone_result.offset;
// d. Let timeZone be timeZoneResult.[[Name]].
time_zone = time_zone_result.name;
}
// 5. Else,
else {
// a. Let z be false.
z = false;
// b. Let offset be undefined.
// c. Let timeZone be undefined.
}
// 6. Return the Record { [[Year]]: result.[[Year]], [[Month]]: result.[[Month]], [[Day]]: result.[[Day]], [[Hour]]: result.[[Hour]], [[Minute]]: result.[[Minute]], [[Second]]: result.[[Second]], [[Millisecond]]: result.[[Millisecond]], [[Microsecond]]: result.[[Microsecond]], [[Nanosecond]]: result.[[Nanosecond]], [[Calendar]]: result.[[Calendar]], [[TimeZoneZ]]: z, [[TimeZoneOffset]]: offset, [[TimeZoneIANAName]]: timeZone }.
return TemporalZonedDateTime { .date_time = move(result), .time_zone = { .z = z, .offset = move(offset), .name = move(time_zone) } };