/* 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';

// just double checking scope of keyword "food" & lintr doesn't like

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

// False case

const isThisMyFavorite = isMyFavoriteFood(food);

console.log(isThisMyFavorite);

// True case

const egg = 'thousand-year-old egg';

const thisIsMyFavorite = isMyFavoriteFood(egg);

console.log(thisIsMyFavorite);

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

// 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;

this.sayHi = function () { // <--------------------------- Unexpected unnamed function

return `${this.username} says hello!`; // <--- template literals √

};

}

}

const username = 'JavaScriptForever';

const password = 'password';

const me = new User({

username, // <--- enhanced object literals √

password, // <--- enhanced object literals √

});

console.log(me);

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

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

const addArgs = function (...args) { // <--------------------- Unexpected unnamed function

let sum = 0;

for (let i = 0; i < args.length; i++) {

sum += args[i];

}

return sum;

};

const argsToCb = function (cb) { // <------------------------ Unexpected unnamed function

const args = Array.prototype.slice.call(arguments); // <--- Use the rest parameters instead of 'arguments'

return cb.apply(null, args.splice(1)); // <---------------- Use the spread operator instead of '.apply()'

};

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

console.log(result);

/* eslint-enable */