🐛 (dify) Fix Dify error when inputs are empty

packages/lib/package.json

@@ -15,6 +15,7 @@
     "@typebot.io/tsconfig": "workspace:*",
     "@types/escape-html": "^1.0.4",
     "@types/nodemailer": "6.4.8",
+    "@types/validator": "13.11.9",
     "next": "14.1.0",
     "nodemailer": "6.9.3",
     "typescript": "5.3.2"
@@ -44,7 +45,7 @@
     "remark-parse": "11.0.0",
     "stripe": "12.13.0",
     "unified": "11.0.4",
-    "zod": "3.22.4",
-    "ky": "1.1.3"
+    "validator": "13.11.0",
+    "zod": "3.22.4"
   }
 }

packages/lib/validators/isURL.ts

@@ -0,0 +1,10 @@
+import isURL, { IsURLOptions } from 'validator/lib/isURL'
+
+const customIsURL = (val: string, options?: IsURLOptions) =>
+  isURL(val, {
+    protocols: ['https', 'http'],
+    require_protocol: true,
+    ...options,
+  })
+
+export { customIsURL as isURL }