Promise Example.js

function register(username, password, orgSecret) {
    return new Promise(resolve => {
        setTimeout(() => {
            console.log('Registered with a credential:', username, password);
            resolve({ username, password });
        }, 1000);
    });
}

function login({ username, password }) {
    return new Promise(resolve => {
        setTimeout(() => {
            console.log('Logged in with a credential:', username, password);
            resolve('aSessionID');
        }, 1000);
    });
}

function getUserInfo(sessionID) {
    return new Promise(resolve => {
        setTimeout(() => {
            console.log('Got user info with a session ID:', sessionID);
            resolve('some user info');
        }, 1000);
    });
}

function showUserInfo(userInfo) {
    console.log('The user info is:', userInfo);
}

register('byoungyong@sense-os.nl', 'aPassword', 'anOrganisationCode')
    .then((credential) => login(credential))
    .then((sessionID) => getUserInfo(sessionID))
    .then((userInfo) => showUserInfo(userInfo))