Pedro Britto pedrobritto

Frontend Web Developer. TypeScript, Next.js.

pedrobritto / performanceMarks.ts

Last active October 17, 2025 13:44

	function performanceMarks() {
	const marks: object[] = [];

	function mark(label: string) {
	marks.push({ label: label, timestamp: performance.now() });
	}

	function getSummary() {
	if (marks.length < 2) {
	console.warn('You need at least two marks to generate a summary.');

pedrobritto / palindromic-numbers.js

Last active July 15, 2021 13:04

1) Generate Palindromic numbers and 2) In a list of numbers, get multiples of a given number

	function makePalindromicNumber(number) {
	const regularNumber = number.toString();
	const reversedNumber = number.toString().split("").reverse().join("");

	return Number(`${regularNumber}${reversedNumber}`);
	}

	function generatePalindromicNumberList(digits = 2) {
	if (digits < 1) {
	throw new Error("'digits' should be equal or greater than '1'.");

pedrobritto / .zshrc-windows

Created August 17, 2020 12:26

pedrobritto / webpack.config.js

Created September 25, 2019 12:25

webpack config for storybook (absolute paths and css modules)

	const path = require('path');

	module.exports = ({config}) => {
	config.module.rules.push({
	test: /\.scss$/,
	loaders: [
	require.resolve('style-loader'),
	{
	loader: require.resolve('css-loader'),
	options: {

pedrobritto / object-merge.js

Created July 16, 2019 19:23

	const defaultArr = [
	{ day: 1, from: undefined, to: undefined },
	{ day: 2, from: undefined, to: undefined },
	{ day: 3, from: undefined, to: undefined },
	{ day: 4, from: undefined, to: undefined },
	{ day: 5, from: undefined, to: undefined },
	{ day: 6, from: undefined, to: undefined },
	{ day: 7, from: undefined, to: undefined }
	];

pedrobritto / imageResizer.js

Created July 16, 2019 19:22

	class ImageResizer {
	constructor(minWidth, minHeight) {
	this.minWidth = minWidth;
	this.minHeight = minHeight;

	this.imageDimension = [1000, 500];
	this.imageProportion = this.imageDimension[0] / this.imageDimension[1];
	}

	resize() {

pedrobritto / design-patterns.js

Created July 16, 2019 19:22

	// Module Pattern
	// If not an IIFE, it's contents can be read as a string
	var Exposer = (function () {
	// Everything here is private
	var private = 'contents';

	// Everything here is public
	return {
	public: function() {
	console.log(private);

pedrobritto / closures.js

Created July 16, 2019 19:21

	// Closure 1
	function sum( a ) {
	function inner( b ) {
	return a + b;
	}
	// Função inner é retornada e poderá
	// ser utilizada dessa forma estranha
	return inner;
	}
	var add5 = sum( 5 );

pedrobritto / sample-jest-starter.json

Created April 8, 2019 10:02

Sample package.json from Exercism's test suite.

	{
	"name": "exercism-javascript",
	"version": "0.0.0",
	"description": "Exercism exercises in Javascript.",
	"author": "Katrina Owen",
	"private": true,
	"repository": {
	"type": "git",
	"url": "https://github.com/exercism/javascript"
	},

pedrobritto / .zshrc

Last active November 11, 2019 14:58