Mom Promise to but new phone.

Mom Promise in ES5.js

/* ES5 */
var isMomHappy = true;

// Promise
var willIGetNewPhone = new Promise(
    function (resolve, reject) {
        if (isMomHappy) {
            var phone = {
                brand: 'iPhone X',
                color: 'gray'
            };
            resolve(phone); // fulfilled
        } else {
            var reason = new Error('Mom is angry.');
            reject(reason); // reject
        }

    }
);

// 2nd promise
var showNewPhone = function (phone) {
    return new Promise(
        function (resolve, reject) {
            var message = 'Hey friend, I have a new ' +
                phone.color + ' ' + phone.brand + '.';

            resolve(message);
        }
    );
};

// call our promise
var askMom = function () {
    console.log('before asking Mom'); // log before
    willIGetNewPhone
        .then(showNewPhone)
        .then(function (fulfilled) {
            // yay, you got a new phone
            console.log(fulfilled);
	     // output: { brand: 'iPhone X', color: 'gray' }
        })
        .catch(function (error) {
            // ops, mom don't buy it
            console.log(error.message);
	     // output: 'Mom is angry.'
        });
    
    console.log('after asking mom'); // log after
};

askMom();

Mom Promise in ES6.js

/* ES6 */
let isMomHappy = true;

//Promise
const willGetNewPhone = new Promise(
  function(resolve, reject) {
    if(isMomHappy) {
      let phone = {
        brand: 'iPhone X',
        color: 'gray'
      };
      resolve(phone); //fulfilled
    } else {
      let reason = new Error('Mom is angry.')
      reject(reason); //reject
    }
  }
);

const showNewPhone = function (phone) {
	let message = 'Hey friend, I have a new ' + phone.color + ' ' + phone.brand +'.';
	return Promise.resolve(message)
}

// call our promise
const askMom = function () {
    console.log('before asking Mom'); // log before	
	willGetNewPhone
        .then(showNewPhone)
		.then( function (fulfilled) {
			//yay, you got a new phone
			console.log(fulfilled);
			//output: 'Hey friend, I have a new gray iPhone X.'
		}).catch( function (error) {
			//oops, mom don't buy it
			console.log(error.message);
			//output: 'Mom is angry.'
		});
  	console.log('after asking mom'); // log after

}

askMom();

Mom Promise in ES7.js

/* ES7 */
const isMomHappy = true;

// Promise
const willIGetNewPhone = new Promise(
    (resolve, reject) => {
        if (isMomHappy) {
            const phone = {
                brand: 'iPhone X',
                color: 'gray'
            };
            resolve(phone);
        } else {
            const reason = new Error('Mom is angry.');
            reject(reason);
        }

    }
);

// 2nd promise
async function showNewPhone(phone) {
    return new Promise(
        (resolve, reject) => {
            var message = 'Hey friend, I have a new ' +
                phone.color + ' ' + phone.brand + '.';

            resolve(message);
        }
    );
};

// call our promise
async function askMom() {
    try {
        console.log('before asking Mom');

        let phone = await willIGetNewPhone;
        let message = await showNewPhone(phone);

        console.log(message);
        console.log('after asking mom');
    }
    catch (error) {
        console.log(error.message);
    }
}

(async () => {
    await askMom();
})();