NyaGarcia

const pokemon = {
  id: 1,
  name: 'Squirtle',
  type: 'Water'
};

const { id, ...rest } = pokemon;
console.log(rest); //Result: { name: 'Squirtle', type: 'Water' }

NyaGarcia

const pokemon = {
  name: 'Squirtle',
  type: 'Water',
  abilities: ['Torrent', 'Rain Dish']
};

const { abilities = [], ...rest } = pokemon;
const fullSquirtle = { ...rest, abilities };

console.log(rest); //Result: { name: 'Squirtle', type: 'Water' }

NyaGarcia

const pokemon = {
  id: 1,
  name: 'Squirtle'
};

const { type, name } = pokemon;
console.log(name); //Result: Squirtle
console.log(type); //Result: undefined

//Assigning default value to the type variable

NyaGarcia

const pokemon = [
  {
    name: 'Charmander',
    type: 'Fire'
  },
  { name: 'Squirtle', type: 'Water', abilities: ['Torrent', 'Rain Dish'] },
  {
    name: 'Bulbasur',
    type: 'Plant'
  }

NyaGarcia

const pokemon = {
  useless: 'useless property',
  id: 1,
  name: 'Squirtle',
  type: 'Water'
};

// Removing the useless property:
({ useless, ...newPokemon } = pokemon);
console.log(newPokemon); // Result: { id: 1, name: 'Squirtle', type: 'Water' }

NyaGarcia

const pokemon = {
  useless: 'Useless property',
  id: 1,
  name: 'Squirtle',
  useless2: 'Another useless prop',
  type: 'Water'
};

// Removing both useless and useless2 properties:
({ id, useless, useless2, ...newPokemon } = pokemon);

NyaGarcia

const pokemon = {
  useless: 'useless property',
  id: 1,
  name: 'Squirtle',
  type: 'Water'
};

function removeProperty(property, object) {
  ({ [property]: value, ...newObject } = object);
  return newObject;

NyaGarcia

const pokemon = {
  useless: 'useless property',
  id: 1,
  name: 'Squirtle',
  type: 'Water'
};

const remove = (property, { [property]: value, ...newObject }) => newObject;

console.log(remove('useless', pokemon)); // Result: { id: 1, name: 'Squirtle', type: 'Water' }

NyaGarcia

function publishTweet(tweet) {
  if (isLoggedIn()) {
    if (tweet) {
      if (isTweetDoubleChecked()) {
        tweetIt(tweet);
      } else {
        throw new Error('Dont publish without double checking your tweet');
      }
    } else {
      throw new Error("Your tweet is empty, can't publish it");

NyaGarcia

function publishTweet(tweet) {

  if (!isLoggedIn()) {
    throw new Error('You need to log in before tweeting');
  }
  if (!tweet) {
    throw new Error("Your tweet is empty, can't publish it");
  }
  if (!isTweetDoubleChecked()) {
    throw new Error('Dont publish without double checking your tweet');