Test visitors

server/routes/visitors.ts

@@ -0,0 +1,21 @@
+import { getQuery } from 'ufo'
+
+export default defineWebSocketHandler({
+  open(peer) {
+    // We send the latitude and longitude query params when connecting to the server
+    const locations = Array.from(peer.peers.values()).map(peer => getQuery(peer.websocket.url!))
+    // We send the (anonymous) user locations to the server
+    peer.subscribe('visitors')
+    peer.publish('visitors', JSON.stringify(locations))
+    peer.send(JSON.stringify(locations))
+  },
+  close(peer) {
+    peer.unsubscribe('visitors')
+    // Wait 500ms before sending the updated locations to the server
+    // This to avoid sending the location of the user that just left
+    setTimeout(() => {
+      const locations = Array.from(peer.peers.values()).map(peer => getQuery(peer.websocket.url!))
+      peer.publish('visitors', JSON.stringify(locations))
+    }, 500)
+  },
+})