e-book

web3-provider.effects.ts

 accountChanged$ = createEffect(
    () =>
      fromEvent(this.web3Token, 'accountsChanged').pipe(
        withLatestFrom(this.store$.pipe(select(fromStore.getAccount))),
        filter(([accounts, currentAccount]) => !!currentAccount && (currentAccount !== accounts[0])),
        map(([accounts, currentAccount]) => {
            console.log('new account', accounts[0]);
            // to reload browser
            // based onhttps://medium.com/metamask/no-longer-reloading-pages-on-network-change-fbf041942b44
            this.document.location.reload();
        })
      ),
      { dispatch: false }
  );