Normative: Remove getCalendar/getTimeZone methods

Calendars and time zones will be only strings, not objects. Therefore
these methods that return the calendar or time zone as an object are not
needed.

See: #2826

docs/plaindate.md

@@ -747,13 +747,6 @@ date.toPlainYearMonth(); // => 2006-08
 date.toPlainMonthDay(); // => 08-24
 ```
 
-### date.**getCalendar**(): object
-
-**Returns:** a `Temporal.Calendar` instance or plain object representing the calendar in which `date` is reckoned.
-
-This method is mainly useful if you need an object on which to call calendar methods.
-Most code will not need to use it.
-
 ### date.**getISOFields**(): { isoYear: number, isoMonth: number, isoDay: number, calendar: string | object }
 
 **Returns:** a plain object with properties expressing `date` in the ISO 8601 calendar, as well as the calendar (usually a string, but may be an object) in which `date` is reckoned.

docs/plaindatetime.md

@@ -941,13 +941,6 @@ dt.toPlainDate().toPlainYearMonth(); // => 1995-12
 dt.toPlainDate().toPlainMonthDay(); // => 12-07
 ```
 
-### datetime.**getCalendar**(): object
-
-**Returns:** a `Temporal.Calendar` instance or plain object representing the calendar in which `datetime` is reckoned.
-
-This method is mainly useful if you need an object on which to call calendar methods.
-Most code will not need to use it.
-
 ### datetime.**getISOFields**(): { isoYear: number, isoMonth: number, isoDay: number, isoHour: number, isoMinute: number, isoSecond: number, isoMillisecond: number, isoMicrosecond: number, isoNanosecond: number, calendar: string | object }
 
 **Returns:** a plain object with properties expressing `datetime` in the ISO 8601 calendar, as well as the calendar (usually a string, but may be an object) in which `datetime` is reckoned.

docs/plainmonthday.md

@@ -390,13 +390,6 @@ md = Temporal.PlainMonthDay.from({
 date = md.toPlainDate({ era: 'reiwa', eraYear: 2 }); // => 2020-01-01[u-ca=japanese]
 ```
 
-### monthDay.**getCalendar**(): object
-
-**Returns:** a `Temporal.Calendar` instance or plain object representing the calendar in which `monthDay` is reckoned.
-
-This method is mainly useful if you need an object on which to call calendar methods.
-Most code will not need to use it.
-
 ### monthDay.**getISOFields**(): { isoYear: number, isoMonth: number, isoDay: number, calendar: string | object }
 
 **Returns:** a plain object with properties expressing `monthDay` in the ISO 8601 calendar, as well as the calendar (usually a string, but may be an object) in which `monthDay` is reckoned.

docs/plainyearmonth.md

@@ -578,13 +578,6 @@ ym = Temporal.PlainYearMonth.from('2019-06');
 ym.toPlainDate({ day: 24 }); // => 2019-06-24
 ```
 
-### yearMonth.**getCalendar**(): object
-
-**Returns:** a `Temporal.Calendar` instance or plain object representing the calendar in which `yearMonth` is reckoned.
-
-This method is mainly useful if you need an object on which to call calendar methods.
-Most code will not need to use it.
-
 ### yearMonth.**getISOFields**(): { isoYear: number, isoMonth: number, isoDay: number, calendar: string | object }
 
 **Returns:** a plain object with properties expressing `yearMonth` in the ISO 8601 calendar, as well as the calendar (usually a string, but may be an object) that `yearMonth` is reckoned in.

docs/zoneddatetime.md

@@ -1357,20 +1357,6 @@ zdt.toPlainDate().toPlainYearMonth(); // => 1995-12
 zdt.toPlainDate().toPlainMonthDay(); // => 12-07
 ```
 
-### zonedDateTime.**getCalendar**(): object
-
-**Returns:** a `Temporal.Calendar` instance or plain object representing the calendar in which `zonedDateTime` is reckoned.
-
-This method is mainly useful if you need an object on which to call calendar methods.
-Most code will not need to use it.
-
-### zonedDateTime.**getTimeZone**(): object
-
-**Returns:** a `Temporal.TimeZone` instance or plain object representing the time zone in which `zonedDateTime` is reckoned.
-
-This method is mainly useful if you need an object on which to call time zone methods.
-Most code will not need to use it.
-
 ### zonedDateTime.**getISOFields**(): { isoYear: number, isoMonth: number, isoDay: number, hour: number, minute: number, second: number, millisecond: number, microsecond: number, nanosecond: number, offset: string, timeZone: string | object, calendar: string | object }
 
 **Returns:** a plain object with properties expressing `zonedDateTime` in the ISO 8601 calendar, including all date/time fields as well as the `offset` property, and the calendar and time zone (which are usually strings, but may be objects) in which `zonedDateTime` is reckoned.

polyfill/index.d.ts

@@ -798,7 +798,6 @@ export namespace Temporal {
     readonly monthCode: string;
     readonly day: number;
     readonly calendarId: string;
-    getCalendar(): CalendarProtocol;
     readonly dayOfWeek: number;
     readonly dayOfYear: number;
     readonly weekOfYear: number | undefined;
@@ -909,7 +908,6 @@ export namespace Temporal {
     readonly microsecond: number;
     readonly nanosecond: number;
     readonly calendarId: string;
-    getCalendar(): CalendarProtocol;
     readonly dayOfWeek: number;
     readonly dayOfYear: number;
     readonly weekOfYear: number | undefined;
@@ -972,7 +970,6 @@ export namespace Temporal {
     readonly monthCode: string;
     readonly day: number;
     readonly calendarId: string;
-    getCalendar(): CalendarProtocol;
     equals(other: Temporal.PlainMonthDay | PlainMonthDayLike | string): boolean;
     with(monthDayLike: PlainMonthDayLike, options?: AssignmentOptions): Temporal.PlainMonthDay;
     toPlainDate(year: { year: number }): Temporal.PlainDate;
@@ -1148,7 +1145,6 @@ export namespace Temporal {
     readonly month: number;
     readonly monthCode: string;
     readonly calendarId: string;
-    getCalendar(): CalendarProtocol;
     readonly daysInMonth: number;
     readonly daysInYear: number;
     readonly monthsInYear: number;
@@ -1225,9 +1221,7 @@ export namespace Temporal {
     readonly microsecond: number;
     readonly nanosecond: number;
     readonly timeZoneId: string;
-    getTimeZone(): TimeZoneProtocol;
     readonly calendarId: string;
-    getCalendar(): CalendarProtocol;
     readonly dayOfWeek: number;
     readonly dayOfYear: number;
     readonly weekOfYear: number | undefined;

polyfill/lib/plaindate.mjs

@@ -223,10 +223,6 @@ export class PlainDate {
       isoYear: GetSlot(this, ISO_YEAR)
     };
   }
-  getCalendar() {
-    if (!ES.IsTemporalDate(this)) throw new TypeError('invalid receiver');
-    return ES.ToTemporalCalendarObject(GetSlot(this, CALENDAR));
-  }
 
   static from(item, options = undefined) {
     options = ES.GetOptionsObject(options);

polyfill/lib/plaindatetime.mjs

@@ -383,10 +383,6 @@ export class PlainDateTime {
       isoYear: GetSlot(this, ISO_YEAR)
     };
   }
-  getCalendar() {
-    if (!ES.IsTemporalDateTime(this)) throw new TypeError('invalid receiver');
-    return ES.ToTemporalCalendarObject(GetSlot(this, CALENDAR));
-  }
 
   static from(item, options = undefined) {
     options = ES.GetOptionsObject(options);

polyfill/lib/plainmonthday.mjs

@@ -101,10 +101,6 @@ export class PlainMonthDay {
       isoYear: GetSlot(this, ISO_YEAR)
     };
   }
-  getCalendar() {
-    if (!ES.IsTemporalMonthDay(this)) throw new TypeError('invalid receiver');
-    return ES.ToTemporalCalendarObject(GetSlot(this, CALENDAR));
-  }
 
   static from(item, options = undefined) {
     options = ES.GetOptionsObject(options);

polyfill/lib/plainyearmonth.mjs

@@ -133,10 +133,6 @@ export class PlainYearMonth {
       isoYear: GetSlot(this, ISO_YEAR)
     };
   }
-  getCalendar() {
-    if (!ES.IsTemporalYearMonth(this)) throw new TypeError('invalid receiver');
-    return ES.ToTemporalCalendarObject(GetSlot(this, CALENDAR));
-  }
 
   static from(item, options = undefined) {
     options = ES.GetOptionsObject(options);

polyfill/lib/zoneddatetime.mjs

@@ -588,14 +588,6 @@ export class ZonedDateTime {
       timeZone: timeZoneRec.receiver
     };
   }
-  getCalendar() {
-    if (!ES.IsTemporalZonedDateTime(this)) throw new TypeError('invalid receiver');
-    return ES.ToTemporalCalendarObject(GetSlot(this, CALENDAR));
-  }
-  getTimeZone() {
-    if (!ES.IsTemporalZonedDateTime(this)) throw new TypeError('invalid receiver');
-    return ES.ToTemporalTimeZoneObject(GetSlot(this, TIME_ZONE));
-  }
 
   static from(item, options = undefined) {
     options = ES.GetOptionsObject(options);

spec/plaindate.html

@@ -387,18 +387,6 @@ <h1>Temporal.PlainDate.prototype.getISOFields ( )</h1>
       </emu-alg>
     </emu-clause>
 
-    <emu-clause id="sec-temporal.plaindate.prototype.getcalendar">
-      <h1>Temporal.PlainDate.prototype.getCalendar ( )</h1>
-      <p>
-        This method performs the following steps when called:
-      </p>
-      <emu-alg>
-        1. Let _temporalDate_ be the *this* value.
-        1. Perform ? RequireInternalSlot(_temporalDate_, [[InitializedTemporalDate]]).
-        1. Return ToTemporalCalendarObject(_temporalDate_.[[Calendar]]).
-      </emu-alg>
-    </emu-clause>
-
     <emu-clause id="sec-temporal.plaindate.prototype.add">
       <h1>Temporal.PlainDate.prototype.add ( _temporalDurationLike_ [ , _options_ ] )</h1>
       <p>

spec/plaindatetime.html

@@ -674,18 +674,6 @@ <h1>Temporal.PlainDateTime.prototype.getISOFields ( )</h1>
         1. Return _fields_.
       </emu-alg>
     </emu-clause>
-
-    <emu-clause id="sec-temporal.plaindatetime.prototype.getcalendar">
-      <h1>Temporal.PlainDateTime.prototype.getCalendar ( )</h1>
-      <p>
-        This method performs the following steps when called:
-      </p>
-      <emu-alg>
-        1. Let _dateTime_ be the *this* value.
-        1. Perform ? RequireInternalSlot(_dateTime_, [[InitializedTemporalDateTime]]).
-        1. Return ToTemporalCalendarObject(_dateTime_).
-      </emu-alg>
-    </emu-clause>
   </emu-clause>
 
   <emu-clause id="sec-properties-of-temporal-plaindatetime-instances">

spec/plainmonthday.html

@@ -263,18 +263,6 @@ <h1>Temporal.PlainMonthDay.prototype.getISOFields ( )</h1>
         1. Return _fields_.
       </emu-alg>
     </emu-clause>
-
-    <emu-clause id="sec-temporal.plainmonthday.prototype.getcalendar">
-      <h1>Temporal.PlainMonthDay.prototype.getCalendar ( )</h1>
-      <p>
-        This method performs the following steps when called:
-      </p>
-      <emu-alg>
-        1. Let _monthDay_ be the *this* value.
-        1. Perform ? RequireInternalSlot(_monthDay_, [[InitializedTemporalMonthDay]]).
-        1. Return ToTemporalCalendarObject(_monthDay_.[[Calendar]]).
-      </emu-alg>
-    </emu-clause>
   </emu-clause>
 
   <emu-clause id="sec-properties-of-temporal-plainmonthday-instances">

spec/plainyearmonth.html

@@ -399,18 +399,6 @@ <h1>Temporal.PlainYearMonth.prototype.getISOFields ( )</h1>
         1. Return _fields_.
       </emu-alg>
     </emu-clause>
-
-    <emu-clause id="sec-temporal.plainyearmonth.prototype.getcalendar">
-      <h1>Temporal.PlainYearMonth.prototype.getCalendar ( )</h1>
-      <p>
-        This method performs the following steps when called:
-      </p>
-      <emu-alg>
-        1. Let _yearMonth_ be the *this* value.
-        1. Perform ? RequireInternalSlot(_yearMonth_, [[InitializedTemporalYearMonth]]).
-        1. Return ToTemporalCalendarObject(_yearMonth_.[[Calendar]]).
-      </emu-alg>
-    </emu-clause>
   </emu-clause>
 
   <emu-clause id="sec-properties-of-temporal-plainyearmonth-instances">

spec/zoneddatetime.html

@@ -966,30 +966,6 @@ <h1>Temporal.ZonedDateTime.prototype.getISOFields ( )</h1>
         1. Return _fields_.
       </emu-alg>
     </emu-clause>
-
-    <emu-clause id="sec-temporal.zoneddatetime.prototype.getcalendar">
-      <h1>Temporal.ZonedDateTime.prototype.getCalendar ( )</h1>
-      <p>
-        This method performs the following steps when called:
-      </p>
-      <emu-alg>
-        1. Let _zonedDateTime_ be the *this* value.
-        1. Perform ? RequireInternalSlot(_zonedDateTime_, [[InitializedTemporalZonedDateTime]]).
-        1. Return ToTemporalCalendarObject(_zonedDateTime_.[[Calendar]]).
-      </emu-alg>
-    </emu-clause>
-
-    <emu-clause id="sec-temporal.zoneddatetime.prototype.gettimezone">
-      <h1>Temporal.ZonedDateTime.prototype.getTimeZone ( )</h1>
-      <p>
-        This method performs the following steps when called:
-      </p>
-      <emu-alg>
-        1. Let _zonedDateTime_ be the *this* value.
-        1. Perform ? RequireInternalSlot(_zonedDateTime_, [[InitializedTemporalZonedDateTime]]).
-        1. Return ToTemporalTimeZoneObject(_zonedDateTime_.[[TimeZone]]).
-      </emu-alg>
-    </emu-clause>
   </emu-clause>
 
   <emu-clause id="sec-properties-of-temporal-zoneddatetime-instances">