Async fluxxy login using auth0 and es7 with localForage for storage.

file.es6.js

const AUTH0_URI   = 'YOUR_URI';
const AUTH0_TOKEN = 'YOUR_TOKEN';
let lock = new Auth0Lock(AUTH0_TOKEN, AUTH0_URI);
import dispatcher from 'PATH_TO_DISPATCHER';
import localForage from 'localForage';

// Maybe you can drop this as its
// 2016 already !
import Promise from 'bluebird';

async function getProfile(userToken){
    return new Promise((resolve, reject) => {
        lock.getProfile(userToken, function(err, profile){
            if( err ){
                reject(err);
            }
            resolve(profile);
        });
    });
}

async function attemptLogin(){
    let userToken = await localForage.getItem('userToken');
    let authHash  = lock.parseHash(window.location.hash);

    if( !userToken ){
        // Try login
        if( !authHash ){
            return lock.show();
        }

        if( authHash.error ){
            return dispatcher.dispatch({
                type: 'user-login-error',
                payload: authHash
            })
        }

        if( authHash.id_token ){
            userToken = authHash.id_token;
        }
    }
    // get profile cause we have the token.
    await localForage.setItem('userToken', userToken);
    dispatcher.dispatch({
        type: 'user-login-complete',
        payload: authHash
    });

    let profile = await getProfile(userToken);
    dispatcher.dispatch({
        type: 'user-profile-update',
        payload: {profile}
    });
}

async attemptLogout(){
    await localForage.removeItem('userToken');
    dispatcher.dispatch({
        type: 'user-logout-complete'
    });
}

export default {
    login(){
        dispatcher.dispatch({
            type: 'user-login-attempted',
        });
        attemptLogin();
    },
    logout(){
        dispatcher.dispatch({
            type: 'user-logout-requested'
        });
        attemptLogout();
    }
};