Link editing.

src/lib/url.ts

@@ -38,3 +38,12 @@ export function safeDecodeURIComponent(s: string | undefined | null): string | u
     return s;
   }
 }
+
+export function isValidUrl(url: string) {
+  try {
+    new URL(url);
+    return true;
+  } catch {
+    return false;
+  }
+}