export const urlValidate = (value) => {if (!value) {return undefined}try {new URL(value)return undefined} catch (_) {return 'ra.validation.url'}}export function isDateSet(date) {if (!date) {return false}if (typeof date === 'string') {return date !== '0001-01-01T00:00:00Z'}if (date instanceof Date) {return date.toISOString() !== '0001-01-01T00:00:00Z'}return !!date}