docs: update the compat example

Author: aminya

examples/package.json

@@ -8,6 +8,7 @@
     "ts-node": ">= 0"
   },
   "scripts": {
+    "build": "cd .. && pnpm build && cd ./examples && pnpm install",
     "majordomo": "ts-node ./majordomo/index.ts",
     "queue": "ts-node ./queue/index.ts",
     "threaded-worker": "ts-node ./threaded-worker/index.ts",

examples/v5-compat/index.js

@@ -1,18 +1,36 @@
+/* eslint-disable */
 const zmq = require("zeromq/v5-compat")
 
-const pub = zmq.socket("pub")
-const sub = zmq.socket("sub")
+function main() {
+  const pub = zmq.socket("pub")
+  const sub = zmq.socket("sub")
 
-pub.bind("tcp://*:3456", err => {
-  if (err) {
-    throw err
-  }
+  pub.on("bind", address => {
+    console.log(`Bound to ${address}`)
+  })
+
+  pub.bind("tcp://127.0.0.1:3456", err => {
+    if (err) {
+      throw err
+    }
 
-  sub.connect("tcp://127.0.0.1:3456")
+    sub.connect("tcp://127.0.0.1:3456")
+    console.log("Subscriber connected to tcp://127.0.0.1:3456")
 
-  pub.send("message")
+    sub.on("message", msg => {
+      // Handle received message...
+      console.log(`Received message: ${msg.toString()}`)
+    })
 
-  sub.on("message", msg => {
-    // Handle received message...
+    pub.send("message")
   })
-})
+
+  if (process.env.CI) {
+    // exit after 1 second in CI environment
+    setTimeout(() => {
+      process.exit(0)
+    }, 2000)
+  }
+}
+
+main()