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Configuring Jest Tests in GitLab CI

1. Add GitLab CI configuration file in the root

In the root of your project, add .gitlab-ci.yml with the configuration below.

image: node:latest

stages:

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Eric Elliott's "Master the JavaScript Interview" Series

A collection of links to the "Master the JavaScript Interview" series of medium stories by Eric Elliott.

Not part of the series but a good grounding.

• The Two Pillars of JavaScript - Part 1
• The Two Pillars of JavaScript - Part 2
• 10 Interview Questions Every JavaScript Developer Should Know

Master the JavaScript Interview

victorkurauchi

const states = {
    pending: 'Pending',
    resolved: 'Resolved',
    rejected: 'Rejected'
};

class Nancy {
    constructor(executor) {
        const tryCall = callback => Nancy.try(() => callback(this.value));
        const laterCalls = [];

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// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(N) {
    // write your code in JavaScript (Node.js 8.9.4)
    let i = 1;
    let result = 0;
    while (i < Math.sqrt(N)) {
        if (N % i == 0) {
            result += 2;

victorkurauchi

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

// O(1)
// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A, B, K) {
    // write your code in JavaScript (Node.js 8.9.4)
    let b = B/K;

victorkurauchi

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
  // write your code in JavaScript (Node.js 8.9.4)
  let maxSoFar = 0;
  let maxEndingHere = 0;
  let minPrice = A[0];

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

victorkurauchi

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
  // write your code in JavaScript (Node.js 8.9.4)
  let total = A.length;
  let occurences = {}
  let indexes = [];
  
  for (let i = 0; i < A.length; i++) {

victorkurauchi

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A) {
    // write your code in JavaScript (Node.js 8.9.4)
    let occurences = new Set();
    
    for (let i =0; i < A.length; i++ ) {
        if (!occurences.has(A[i])) {
            occurences.add(A[i])

victorkurauchi

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(A, B) {
  // write your code in JavaScript (Node.js 8.9.4)
  let remaining = [];
  let totalAlive = A.length;

  for (let i = 0; i < A.length; i++) {
    let current = A[i];

victorkurauchi

// you can write to stdout for debugging purposes, e.g.
// console.log('this is a debug message');

function solution(S) {
  if (S == '') return 1;
  
  let stack = [];
  
  // write your code in JavaScript (Node.js 8.9.4)
  for (let i = 0; i < S.length; i++) {