Update Types definition for locale (gpbl#828)

Every `locale` has `en` as the default value so they're optional.
kimamula · Feb 21, 2019 · f46decf · f46decf
1 parent 0e75e49
commit f46decf
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/types/utils.d.ts b/types/utils.d.ts
@@ -3,13 +3,13 @@
 import { RangeModifier, Modifier } from "./common";
 
 export interface LocaleUtils {
-  formatDay(day: Date, locale: string): string;
-  formatMonthTitle(month: Date, locale: string): string;
-  formatWeekdayLong(weekday: number, locale: string): string;
-  formatWeekdayShort(weekday: number, locale: string): string;
-  getFirstDayOfWeek(locale: string): number;
+  formatDay(day: Date, locale?: string): string;
+  formatMonthTitle(month: Date, locale?: string): string;
+  formatWeekdayLong(weekday: number, locale?: string): string;
+  formatWeekdayShort(weekday: number, locale?: string): string;
+  getFirstDayOfWeek(locale?: string): number;
   getMonths(
-    locale: string
+    locale?: string
   ): [
     string,
     string,