[No QA] Migrate 'OptionsListUtilsTest.js', 'DateUtilsTest.js', 'SidebarLinks.perf-test.js', 'markdown.js' and 'ReportUtilsTest.js' to Typescript

src/libs/DateUtils.ts

@@ -266,7 +266,7 @@ function formatToLongDateWithWeekday(datetime: string | Date): string {
  *
  * @returns Sunday
  */
-function formatToDayOfWeek(datetime: string | Date): string {
+function formatToDayOfWeek(datetime: Date): string {
     return format(new Date(datetime), CONST.DATE.WEEKDAY_TIME_FORMAT);
 }
 

tests/unit/DateUtilsTest.ts

@@ -42,7 +42,7 @@ describe('DateUtils', () => {
     });
 
     it('formatToDayOfWeek should return a weekday', () => {
-        const weekDay = DateUtils.formatToDayOfWeek(datetime);
+        const weekDay = DateUtils.formatToDayOfWeek(new Date(datetime));
         expect(weekDay).toBe('Monday');
     });
     it('formatToLocalTime should return a date in a local format', () => {