/* eslint-disable */

// Refactor the following code to use the specified ES6 features.

// There are no automated tests.

// To make sure the code still works you can run this file using `node es6.js` from inside `/src`.

//----------------

// const, =>, default parameters, arrow functions default return statements using ()

// var food = 'pineapple';

//

// var isMyFavoriteFood = function(food) {

// food = food || 'thousand-year-old egg'; //This sets a default value if `food` is falsey

// return food === 'thousand-year-old egg';

// };

//

// var isThisMyFavorite = isMyFavoriteFood(food);

// ----------------

const food = 'pineapple';

const isMyFavoriteFood = (food = 'thousand-year-old egg') => (food === 'thousand-year-old egg');

const isThisMyFavorite = isMyFavoriteFood(food);

//----------------

//const, =>, class, template literals, enhanced object literals (foo: foo, -> foo,)

// var User = function(options) {

// this.username = options.username;

// this.password = options.password;

// this.sayHi = function() {

// return this.username + ' says hello!';

// };

// }

//

// var username = 'JavaScriptForever';

// var password = 'password';

//

// var me = new User({

// username: username,

// password: password,

// });

// ----------------

class User {

constructor(options) {

this.username = options.username;

this.password = options.password;

}

sayHi() {

return `${this.username} says hello!`;

}

}

const username = 'JavaScriptForever';

const pasword = 'password';

const me = new User({

username,

password,

});

// ----------------

// let, const, =>, ... (spread operator)

// var addArgs = function () {

// var sum = 0;

// for (var i = 0; i < arguments.length; i++) {

// sum += arguments[i];

// }

// return sum;

// };

//

// var argsToCb = function (cb) {

// var args = Array.prototype.slice.call(arguments);

// return cb.apply(null, args.splice(1));

// };

//

// var result = argsToCb(addArgs, 1, 2, 3, 4, 5); //result should be 15

// ----------------

const addArgs = (...args) => (args.reduce((memo, val) => (memo + val)));

const argsToCb = (cb, ...args) => (cb(...args));

const result = argsToCb(addArgs, 1, 2, 3, 4, 5);

/* eslint-enable */