fix #28: ipv6 target parse fix

worker/src/monitor.ts

@@ -16,8 +16,9 @@ export async function getStatus(
   if (monitor.method === 'TCP_PING') {
     // TCP port endpoint monitor
     try {
-      const [hostname, port] = monitor.target.split(':')
-      const socket = connect({ hostname: hostname, port: Number(port) })
+      // This is not a real https connection, but we need to add a dummy `https://` to parse the hostname & port
+      const parsed = new URL("https://" + monitor.target)
+      const socket = connect({ hostname: parsed.hostname, port: Number(parsed.port) })
 
       // Now we have an `opened` promise!
       // @ts-ignore