Fix: Update types on getFormattedDate function

Author: OMikkel

src/Components/DatePickerProvider.tsx

@@ -15,7 +15,7 @@ interface IDatePickerContext {
 	setShowSelectedDate: Dispatch<SetStateAction<boolean>>
 	selectedMonth: number
 	selectedYear: number
-	getFormattedDate: (date: Date | number, formatOptions?: Intl.DateTimeFormatOptions) => string
+	getFormattedDate: (date: Date | number, formatOptions?: Intl.DateTimeFormatOptions | null | undefined) => string
 }
 
 export type Views = "days" | "months" | "years" | "decades"
@@ -63,7 +63,7 @@ const DatePickerProvider = ({ children, options: customOptions, onChange, show,
 		if (onChange) onChange(date)
 	}
 
-	const getFormattedDate = (date: Date | number, formatOptions?: Intl.DateTimeFormatOptions) => formatDate(options?.language ? options?.language : "en", date, formatOptions)
+	const getFormattedDate = (date: Date | number, formatOptions?: Intl.DateTimeFormatOptions | undefined | null) => formatDate(options?.language ? options?.language : "en", date, formatOptions)
 
 	return (
 		<DatePickerContext.Provider

src/Utils/date.ts

@@ -39,7 +39,7 @@ export const addYears = (date: Date, amount: number): number => {
 	return expectedMonth === 1 && newDate.getMonth() === 2 ? newDate.setDate(0) : time
 }
 
-export const getFormattedDate = (language: string, date: Date | number, options?: Intl.DateTimeFormatOptions): string => {
+export const getFormattedDate = (language: string, date: Date | number, options?: Intl.DateTimeFormatOptions | null | undefined): string => {
 	let defaultOptions: Intl.DateTimeFormatOptions = {
 		day: "numeric",
 		month: "long",