#AppComponent ngOnInit() { this.translateService.setDefaultLang('ar'); let historyState = JSON.parse(localStorage.getItem('historyState')!) as object; if (historyState) { history.pushState(historyState, "") localStorage.removeItem('historyState') } } @HostListener('window:beforeunload') getHistoryState() { if (history.state) localStorage.setItem('historyState', JSON.stringify(history.state)); }