ObsidianCat

//inferance bottom up
// the compiler know function result type, baesed on it`s arguments
let userId = (a: string, b: number): string =>a+b;

//*******************************
//Union type (variable can be any of these types)
let thing: string | number | string[];

// Alias
type thing =  string | number | string[];

ObsidianCat

const { getRandomWordSync, getRandomWord } = require("word-maker");
const fs = require("fs");

console.log("It works!");

// YOUR CODE HERE

//Additional functions
//asynchronous in loop

ObsidianCat

function delayedRandom(){
  const random = Math.random();
  return new Promise(resolve => setTimeout(()=>resolve(random), 100));
}

async function* generateDelayedRandoms(){
  let num;
  num = await delayedRandom()
  yield 'One ' + num;

ObsidianCat

// Object destructuring

//Object
const response = {
  status: 200,
  data: {
    user: {
      name: 'Rachel',
      title: 'Editor in Chief'
    },

ObsidianCat

import React from 'react';
import { mount } from 'enzyme';
import ParentComponent from './ParentComponent';
import ChildComponent from './ChildComponent';

describe('Parent component', () => {
  it('adds and removes child component from the DOM', async () => {
    const wrapper = mount(<ParentComponent />);
    
    //Find button in Parent component

ObsidianCat

// ./cypress/support/commands.js

Cypress.Commands.add('mockOktaLoggedState', () => {
  // Set cookies
  cy.setCookie('okta-oauth-nonce', 'value of this cookie copied from the browser');
  cy.setCookie('okta-oauth-state', 'value of this cookie copied from the browser');

  // To avoid token expiration, we create a new timestamp every time
  const oneDayFromNow = Date.now() + 1000 * 60 * 60 * 24;
  

ObsidianCat

// ./cypress/support/commands.js

Cypress.Commands.add('loadRecipesPage', () => {
  // One command can call another, just like plain functions
  cy.mockOktaLoggedState();

  // When UI requests recipes, Cypress, not the actual server, will return response
  cy.route('GET', '/api/recipes', 'fixture:recipes.json').as('recipes');

  // I can do manipulation on a fixture before serving it

ObsidianCat

// ./cypress/integration/recipes-page.test.js

describe('Recipes page', () => {
  before(() => {
    cy.loadRecipesPage();
    // Save selector as shortcuts, usefull if they will be used repetitively 
    cy.get('[data-cy=recipes-vegan-toggle] input').as('toggle');
    cy.get('[data-cy=recipes-vegan-toggle] label').as('toggleLabel');

    cy.get('[data-cy=recipe-card]').as('recipeCards');

ObsidianCat

{
  "sub": "00un7nfq2aTE0HOAl356",
  "name": "Lula Leus",
  "locale": "en-US",
  "email": "example@example.com",
  "preferred_username": "lulaleus",
  "given_name": "Lula",
  "family_name": "Leus",
  "zoneinfo": "America/Los_Angeles",
  "updated_at": 1559047283,

ObsidianCat

function ListNode(val){
  this.val = val;
  this.next = null;
}

function createList(arr){
  let result = arr.map((item, index, arr)=>{
    const node = new ListNode(item)
    return node
  })