schemas.tsā¢886 B
import { z } from 'zod';
/**
* A flexible Zod schema for validating ISO 8601 date-time strings.
*
* This schema accepts any string that can be successfully parsed by the `Date` constructor,
* which includes formats with 'Z' (UTC) and timezone offsets (e.g., '+01:00').
* It refines a base string schema, providing a more specific error message if the
* date-time string is invalid.
*/
export const flexibleDateTimeSchema = z.string().refine((value) => {
// Try to parse the date string.
// The Date constructor is quite flexible with ISO 8601 formats.
const date = new Date(value);
// Check if the parsed date is valid.
// `isNaN(date.getTime())` is a reliable way to check for invalid dates.
return !isNaN(date.getTime());
}, {
// Custom error message for invalid date-time strings.
message: "Invalid date-time string. Please use a valid ISO 8601 format.",
});