Kent C. Dodds: As hot as it is, React Hooks require a bit of a change in the way you think about React Component Lifecycles, State, and Side Effects and it can be easy to fall into problematic scenarios if you’re not thinking about React Hooks properly. So let’s look a bit at what pitfalls […]
Tag Archives: react
React DevTools 4.0
Version 4 of the React DevTools have been released, with a lot of improvements. At a high level, this new version should offer significant performance gains and an improved navigation experience. It also offers full support for React Hooks, including inspecting nested objects. The release notes hold a detailed list of changes, with example gifs. […]
React: Forget about component lifecycles and start thinking in effects
Yesterday, while at a workshop, React Hooks (intro here) became the subject of discussion between participants. Someone in the audience asked how to easily map the classes+lifecycle way of thinking onto hooks, as she had trouble doing so. In short, my recommendation was to no longer think in lifecycles but to think in effects, as […]
create-es-react-app – A create-react-app like template using only es-modules (no build step).
create-es-react-app is a create-react-app like template demonstrating how far you can get creating progressive web apps (using react) with no build step. It takes advantage of static and dynamic imports which enables you to break up your app into small reusable ES modules that are compiled for you by the browser at run time. TIL: […]
React Hooks: When to useMemo and useCallback
Insightful post by Kent C. Dodds on the costs and benefits of React’s useMemo and useCallback. We hear a lot that you should use React.useCallback to improve performance and that “inline functions can be problematic for performance,” so how could it ever be better to not useCallback? Just take a step back from React and […]
useDimensions – a React Hook to measure DOM nodes
import React from 'react' import useDimensions from 'react-use-dimensions' const MeasuredNode = () => { const [ref, { x, y, width, height }] = useDimensions(); return ( <p ref={ref}> I am a paragraph at ({x}px, {y}px) position with a width of {width}px and height of {height}px </p> ); }; Handy. Uses window.resize+window.scroll internally, yet I’m quite […]
12 Tips for More Accessible React Apps
If you want to improve the accessibility of your React apps but you don’t know how or where to start, this talk is just what you need. Manuel shares 12 tips that will help you build web sites and applications that can be used by anyone. Each tip fits on one slide and you’ll be […]
Application State Management with React
Kent C. Dodds on how he uses React itself – and not something like Redux – for his Application State Management. Here’s the real kicker, if you’re building an application with React, you already have a state management library installed in your application. You don’t even need to npm install (or yarn add) it. It […]
React Hook Flow Diagram
Donovon has created this nice flowchart that explains the new lifecycle of a Hooks component. Comes in handy 😉 hook-flow →
Making sense of React’s useEffect
Today Dan Abramov published an extensive deep dive into useEffect. The issue that many devs (who, including me, have been using componentDidMount before) are having, is that they now need to unlearn a few things It’s only after I stopped looking at the useEffect Hook through the prism of the familiar class lifecycle methods that […]