I have a app using Node.js/Electron/Angular2 (TypeScript). Using socket.io I created a WebSocket. Everything works fine, as long as I'm not inside my Angular2 app. I tried the whole day to get this running, without luck. I downloaded a working tutorial, but can't find the missing link. Drives me crazy! This is my electron.js starting the app, creating the websocket server side This is my index.html with working websocket, but as native JavaScript code This is my root component of Angular2 trying to get the websocket running The error - which does not stop the compilation - I get, is root.component.ts(14,17): error TS2304: Cannot find name 'io'.. How can I get rid of that error? Or better: What's the best practice for this websocket communication inside Angular2? Thanks in advance. Continue reading...