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Editorial: minor DRY refactor for RoundDuration #1968

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Dec 10, 2021
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Editorial: minor DRY refactor for RoundDuration #1968

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7 changes: 1 addition & 6 deletions polyfill/lib/ecmascript.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -3897,12 +3897,7 @@ export const ES = ObjectAssign({}, ES2020, {
if (relativeTo) {
if (ES.IsTemporalZonedDateTime(relativeTo)) {
zdtRelative = relativeTo;
const pdt = ES.BuiltinTimeZoneGetPlainDateTimeFor(
GetSlot(relativeTo, TIME_ZONE),
GetSlot(relativeTo, INSTANT),
GetSlot(relativeTo, CALENDAR)
);
relativeTo = ES.TemporalDateTimeToDate(pdt);
relativeTo = ES.ToTemporalDate(relativeTo);
} else if (!ES.IsTemporalDate(relativeTo)) {
throw new TypeError('starting point must be PlainDate or ZonedDateTime');
}
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6 changes: 3 additions & 3 deletions spec/duration.html
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Expand Up @@ -1247,13 +1247,13 @@ <h1>RoundDuration ( _years_, _months_, _weeks_, _days_, _hours_, _minutes_, _sec
1. Let _zonedRelativeTo_ be *undefined*.
1. If _relativeTo_ is not *undefined*, then
1. If _relativeTo_ has an [[InitializedTemporalZonedDateTime]] internal slot, then
1. Let _instant_ be ! CreateTemporalInstant(_relativeTo_.[[Nanoseconds]]).
1. Set _zonedRelativeTo_ to _relativeTo_.
1. Let _plainDateTime_ be ? BuiltinTimeZoneGetPlainDateTimeFor(_relativeTo_.[[TimeZone]], _instant_, _relativeTo_.[[Calendar]]).
1. Set _relativeTo_ to ! CreateTemporalDate(_plainDateTime_.[[ISOYear]], _plainDateTime_.[[ISOMonth]], _plainDateTime_.[[ISODay]], _relativeTo_.[[Calendar]]).
1. Set _relativeTo_ to ? ToTemporalDate(_relativeTo_).
1. Else,
1. Assert: _relativeTo_ has an [[InitializedTemporalDate]] internal slot.
1. Let _calendar_ be _relativeTo_.[[Calendar]].
1. Else,
1. NOTE: _calendar_ will not be used below.
1. If _unit_ is one of *"year"*, *"month"*, *"week"*, or *"day"*, then
1. Let _nanoseconds_ be ! TotalDurationNanoseconds(0, _hours_, _minutes_, _seconds_, _milliseconds_, _microseconds_, _nanoseconds_, 0).
1. Let _intermediate_ be *undefined*.
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