2022-07-23 22:56:48 +02:00

20 lines
653 B
TypeScript

import { isUndefined } from "./others";
import { DatePickerFragment } from "graphql/generated";
export const compareDate = (
a: DatePickerFragment | null | undefined,
b: DatePickerFragment | null | undefined
): number => {
if (isUndefined(a) || isUndefined(b)) {
return 0;
}
const dateA =
(a.year ?? Infinity) * 365 + (a.month ?? 12) * 31 + (a.day ?? 31);
const dateB =
(b.year ?? Infinity) * 365 + (b.month ?? 12) * 31 + (b.day ?? 31);
return dateA - dateB;
};
export const datePickerToDate = (date: DatePickerFragment): Date =>
new Date(date.year ?? 0, date.month ? date.month - 1 : 0, date.day ?? 1);