Move to TanStack Start from Next.js (#184)

web/app/lib/utils/schema.ts

@@ -0,0 +1,43 @@
+/*
+ * 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",
+    },
+  )