first

public/js/shared-worker.js

@@ -0,0 +1,22 @@
+
+const clients = [];
+
+self.onconnect = function(e) {
+    console.log(1)
+    const port = e.ports[0];
+    clients.push(port)
+
+    port.onmessage = function(e) {
+        const message = e.data;
+
+        clients.forEach(client => client.postMessage(message))
+    }
+
+    port.isMaster = function() {
+        clients.forEach(client => client.postMessage({tabId: port.tabId}))
+    }
+
+    port.setMaster = function(tabId) {
+        port.tabId = tabId;
+    }
+}