archived-linsa/web/lib/utils/schema.ts

/*
 * This file contains custom schema definitions for Zod.
 */

import { z } from "zod"

export const urlSchema = z
	.string()
	.min(1, { message: "URL can't be empty" })
	.refine(
		value => {
			const domainRegex = /^([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$/

			const isValidDomain = (domain: string) => {
				try {
					const url = new URL(`http://${domain}`)
					return domainRegex.test(url.hostname)
				} catch {
					return false
				}
			}

			if (isValidDomain(value)) {
				return true
			}

			try {
				const url = new URL(value)

				if (!url.protocol.match(/^https?:$/)) {
					return false
				}

				return isValidDomain(url.hostname)
			} catch {
				return false
			}
		},
		{
			message: "Please enter a valid URL"
		}
	)