const mqttServer = { state: { serverIP: sessionStorage.getItem('serverIP') ? sessionStorage.getItem('serverIP') : '', serverPort: sessionStorage.getItem('serverPort') ? sessionStorage.getItem('serverPort') : '' }, mutations: { set_serverIP(state, serverIP) { sessionStorage.setItem('serverIP', serverIP) state.serverIP = serverIP }, set_serverPort(state, serverPort) { sessionStorage.setItem('serverPort', serverPort) state.serverPort = serverPort } } } export default mqttServer