React component library: Develop a multilingual app

While there are many international libraries to choose from, which one should you go with? This article analyzes 4 (React-intl, React-i18next, React-intl-universal, @lingui/react) of them to make your decision easier.

Create a Modern Dynamic Sidebar Menu in React Using Recursion

This tutorial will walk you through building a modern sidebar in react using recursion. Recursion is a technique in which a function simply calls itself repeatedly until a condition has been met.

Reactime 3.0 — Time Traveling State Debugger

Reactime is an open-source Chrome developer tool — inspired by Redux DevTools — which allows developers to visually inspect the state of their app at any given moment, step forwards or backwards through time, import and export a snapshot of their current state and persist state across refreshes.

Redux Style Guide

This is the Redux team's official style guide for writing Redux code. It lists recommended patterns, best practices, and suggested approaches for writing Redux applications.

Interactive React Paycard

This is a fully responsive credit card form with smooth and sweet micro-interactions. Includes number formatting, validation and automatic card type detection.

Best practices for building a large scale react application

While making a Single Page App with React, it is very easy for your code-base to become unorganized. There are many good libraries in the React ecosystem that can be used to manage certain aspects of the app, this article covers some of them in depth. Other than that, it lists some good practices to follow from the beginning of the project if you have scalability in mind

Introducing Base Web, Uber’s New Design System for Building Websites in React

At Uber, they have hundreds of internal web applications used by developers, product managers, and operations teams—essentially everyone at the company. Since all web applications work differently, it puts additional overhead on our employees to learn how to interact with them most effectively. To solve these issues, Uber assembled a dedicated design and engineering team to come up with a universal system, which resulted in the Base Web design system. Open sourced in 2018, Base Web is a React component library implementing the Base design language that acts as a device-agnostic foundation for quickly and easily creating web applications.

14 Beneficial Tips to Write Cleaner Code in React Apps

Every developer wrestles with how to write cleaner code. This article gives 14 practical tips for how to do just that when developing a React app.

6 tips for better React performance

This article walks through 6 tips for improving your React app's performance.
• Utilize render bail-out techniques
• Avoid inline objects
• Avoid anonymous functions
• Lazy load components that are not instantly needed
• Tweak CSS instead of forcing a component to mount & unmount
• Memoize expensive calculations

How to Avoid the “Boolean Trap” When Designing React Components

What's wrong with this code?
<Button primary>Primary</Button>

<Button secondary>Secondary</Button>

<Button danger>Danger</Button>
Read the article and find out.

Forget about component lifecycles and start thinking in effects

React recently introduced a new way to deal with side effects: the useEffect hook. Translating lifecycle methods to useEffect calls can be confusing at first. It’s confusing because we shouldn’t be translating imperative lifecycle methods to declarative useEffect calls in the first place. This article breaks it down.

Why I don’t use React-Router

One man's beef with React Router and why he doesn't use it.

Don't call a React function component

In this article Kent breaks down the difference between React.createElement and calling a function component directly

How to Handle Async Actions for Global State With React Hooks and Context

In this article, Daishi breaks down various patterns for handling async actions for global state in React.

What Is JavaScript Made Of? | Dan Abramov

In this article, Dan shares a compressed version of the mental model he's developed to give himself more confidence in his understanding of JavaScript. It’s structured like a glossary, with each topic getting a few sentences

Chrome Extension Starter Kit

Built with React, TypeScript, SCSS, Storybook, EsLint, Jest, Bootstrap, & Webpack

Gatsby Theme - Personal Portfolio

Initially this was a personal portfolio made in GatsbyJs, now it's a Gatsby theme available to anyone who wants to tell their work history focusing only on the content.

beautiful-react-hooks

An open source collection of useful React custom hooks with a concise API.

gatsby-plugin-next-seo

Gatsby Plugin SEO makes managing SEO easier in your Gatsby JS project. It fully supports server-side rendering (SSR) with site wide configuration available via the gatsby-config.js plugin options. SEO options can also be tweaked at any moment by importing the main GatsbySeo component and passing in the desired props.

Astuto: A free, open source, self-hosted customer feedback tool 🦊

Astuto helps you collect, manage and prioritize feedback from your users. It was heavily inspired by Canny.io ("astuto" is the Italian translation of the word "canny"), but is self-hosted and open source. Riccardo Graziosi built Astuto for his Master's Thesis in Computer Engineering.

Timeline Component in React

In this 30-minute video, Florin walks through how to build a basic timeline component in React.