feat: support new s/S timestamp styles in v14 (#11268)

Author: sdanialraza

packages/formatters/__tests__/formatters.test.ts

@@ -331,8 +331,18 @@ describe('Message formatters', () => {
 			expect<'<t:1867424897:d>'>(time(1_867_424_897, 'd')).toEqual('<t:1867424897:d>');
 		});
 
-		test('GIVEN a date and a format from enum THEN returns "<t:${time}:${style}>"', () => {
-			expect<'<t:1867424897:R>'>(time(1_867_424_897, TimestampStyles.RelativeTime)).toEqual('<t:1867424897:R>');
+		test.each([
+			[TimestampStyles.ShortTime, 't'],
+			[TimestampStyles.MediumTime, 'T'],
+			[TimestampStyles.ShortDate, 'd'],
+			[TimestampStyles.LongDate, 'D'],
+			[TimestampStyles.LongDateShortTime, 'f'],
+			[TimestampStyles.FullDateShortTime, 'F'],
+			[TimestampStyles.ShortDateShortTime, 's'],
+			[TimestampStyles.ShortDateMediumTime, 'S'],
+			[TimestampStyles.RelativeTime, 'R'],
+		])('GIVEN a date and style from enum THEN returns "<t:${time}:${style}>"', (style, expectedStyle) => {
+			expect<`<t:1867424897:${typeof style}>`>(time(1_867_424_897, style)).toEqual(`<t:1867424897:${expectedStyle}>`);
 		});
 	});
 

packages/formatters/src/formatters.ts

@@ -734,10 +734,18 @@ export const TimestampStyles = {
 	 */
 	ShortTime: 't',
 
+	/**
+	 * Medium time format, consisting of hours, minutes, and seconds.
+	 *
+	 * @example `16:20:30`
+	 */
+	MediumTime: 'T',
+
 	/**
 	 * Long time format, consisting of hours, minutes, and seconds.
 	 *
 	 * @example `16:20:30`
+	 * @deprecated Use {@link TimestampStyles.MediumTime} instead.
 	 */
 	LongTime: 'T',
 
@@ -751,24 +759,54 @@ export const TimestampStyles = {
 	/**
 	 * Long date format, consisting of day, month, and year.
 	 *
-	 * @example `20 April 2021`
+	 * @example `April 20, 2021`
 	 */
 	LongDate: 'D',
 
+	/**
+	 * Long date-short time format, consisting of long date and short time.
+	 *
+	 * @example `April 20, 2021 at 16:20`
+	 */
+	LongDateShortTime: 'f',
+
 	/**
 	 * Short date-time format, consisting of short date and short time formats.
 	 *
 	 * @example `20 April 2021 16:20`
+	 * @deprecated Use {@link TimestampStyles.LongDateShortTime} instead.
 	 */
 	ShortDateTime: 'f',
 
+	/**
+	 * Full date-short time format, consisting of full date and short time.
+	 *
+	 * @example `Tuesday, April 20, 2021 at 16:20`
+	 */
+	FullDateShortTime: 'F',
+
 	/**
 	 * Long date-time format, consisting of long date and short time formats.
 	 *
 	 * @example `Tuesday, 20 April 2021 16:20`
+	 * @deprecated Use {@link TimestampStyles.FullDateShortTime} instead.
 	 */
 	LongDateTime: 'F',
 
+	/**
+	 * Short date, short time format, consisting of short date and short time.
+	 *
+	 * @example `20/04/2021, 16:20`
+	 */
+	ShortDateShortTime: 's',
+
+	/**
+	 * Short date, medium time format, consisting of short date and medium time.
+	 *
+	 * @example `20/04/2021, 16:20:30`
+	 */
+	ShortDateMediumTime: 'S',
+
 	/**
 	 * Relative time format, consisting of a relative duration format.
 	 *