Why is React doing this?
WhyReact.md I heard some points of criticism to how React deals with reactivity and it's focus on "purity". It's interesting because there are really two approaches evolving. There's a mutable + change tracking approach and there's an immutability + referential equality testing approach. It's difficult to mix and match them when you build new features on top. So that's why React has been pushing a
Will Bun JavaScript Take Node's Crown
Huge thanks to Jarred Sumner for reviewing this post. It wouldn’t have been possible without his help. Bun is a new and ambitious JavaScript toolset and runtime. Early adopters have been reporting that Bun JavaScript is incredibly fast. So fast that it has been touted by some as a Node.js killer. Curious, I decided to check out Bun for myself and benchmark it against the competition. Is it as fast
500ms to 1.7ms In React: A Journey And A Checklist
Written by Oren Farhi, Front End Engineer Tech Lead, follow me on This article has been translated: Chinese 1 (by Qlly) Chinese 2 (by Qlly) Korean (by Ykss) I bet the need to tweak perfomance comes in a certain phase of development for every developer, in every app. There are very good resources and articles about how to tweak performance in react and this article is no exception. I thought I will
Announcing Docusaurus 2.0 | Docusaurus
Today we are extremely happy to finally announce Docusaurus 2.0! 🥳️ At Meta Open Source, we believe Docusaurus will help you build the best documentation websites with minimal effort, letting you focus on what really matters: writing the content. After 4 years of work, 75 alphas and 22 betas, the next generation of Docusaurus is ready for prime time. From now on, we now plan to respect Semantic V
React Labs: What We've Been Working On – June 2022 – React
React 18 was years in the making, and with it brought valuable lessons for the React team. Its release was the result of many years of research and exploring many paths. Some of those paths were successful; many more were dead-ends that led to new insights. One lesson we’ve learned is that it’s frustrating for the community to wait for new features without having insight into these paths that we’r
React v18.0 – React
For React Native users, React 18 will ship in React Native with the New React Native Architecture. For more information, see the React Conf keynote here. What is Concurrent React? The most important addition in React 18 is something we hope you never have to think about: concurrency. We think this is largely true for application developers, though the story may be a bit more complicated for librar
A Visual Guide to useEffect
Here is what happens when you try to fetch data directly from the body of a functional component in React 👇 Why does this happen and what tools does React offer to solve this problem? Side effects If your React component affects anything outside of itself, it’s called a side effect. Side effects shouldn’t happen during component render. Therefore they do not belong to the body of a functional com
GitHub - mithi/react-philosophies: 🧘 Things I think about when I write React code 🧘
If react-philosophies helped you in some way, consider buying me a few cups of coffee ☕☕☕. This motivates me to create more React "stuff"! 🙂 You have to think about what is the right way, even when you have the right idea of what the building blocks should be, there is huge flexibility in how you decide to put the whole system together. It is a craft... and it has a lot to do with valuing simplic
React's UI State Model vs Vanilla JavaScript DOM State — A Beginner's Introduction
This article is aimed at beginners who've never had the chance to see 'why React'. It takes a very contrived example to make a point about how React's declarative state model could help keep state sanity when code scales. If you're an experienced developer these series of posts by Steven might give deep insights about why declarative abstractions scale in a way you might not have thought before. T
npm audit: Broken by Design — overreacted
Security is important. Nobody wants to be the person advocating for less security. So nobody wants to say it. But somebody has to say it. So I guess I’ll say it. The way npm audit works is broken. Its rollout as a default after every npm install was rushed, inconsiderate, and inadequate for the front-end tooling. Have you heard the story about the boy who cried wolf? Spoiler alert: the wolf eats t
React Architecture: How to Structure and Organize a React Application
There is no consensus on the right way to organize a React application. React gives you a lot of freedom, but with that freedom comes the responsibility of deciding on your own architecture. Often the case is that whoever sets up the application in the beginning throws almost everything in a components folder, or maybe components and containers if they used Redux, but I propose there's a better wa
Demystifying styled-components
When I first started using styled-components, it seemed like magic ✨. Somehow, using an obscure half-string-half-function syntax, the tool was able to take some arbitrary CSS and assign it to a React component, bypassing the CSS selectors we've always used. Like so many devs, I learned how to use styled-components, but without really understanding what was going on under the hood. Knowing how it w
React Libraries To Use In 2023: 17 Top Picks
Yash Tiwari for Coursesity Posted on Jun 13, 2021 • Updated on Mar 23, 2023 React is a JavaScript library that lets you create a prime UI for both mobile and web applications. It integrates seamlessly with other JavaScript frameworks and libraries and includes small, reusable pieces of code, called components. Due to their high modularity, React component libraries not only optimize UI development
New Suspense SSR Architecture in React 18 · reactwg/react-18 · Discussion #37
Overview React 18 will include architectural improvements to React server-side rendering (SSR) performance. These improvements are substantial and are the culmination of several years of work. Most of these improvements are behind-the-scenes, but there are some opt-in mechanisms you’ll want to be aware of, especially if you don’t use a framework. The primary new API is renderToPipeableStream, whic
Why you should use Chakra UI in React
EDIT: An additional project has been added as an example: Apartmentfy If you want to build an application or a website you need to take care of many things and in that sea of options which component library, css or ui framework will take a big role in the final version of your product. I have tried some component libraries like Material UI, Antd, React Boostrap and other CSS frameworks like styled
Real-world CSS vs. CSS-in-JS performance comparison
CSS-in-JS has taken a solid place in front-end tooling, and it seems this trend will continue in the near future. Especially in the React world. For example, out of 11492 people who participate in State of CSS survey in 2020 only 14.3% didn’t hear of Styled Components (a dominant CSS-in-JS library). And more than 40% of participants have used the library. I wanted to see an in-depth performance co
React-pdf - Announcing react-pdf v2.0
I'm very excited to announce react-pdf 2.0 to the world! This is the culmination of almost an entire year of work and all the lessons learned since this project started all the way back in October 2016. It's crazy, I feel it was just yesterday when I was announcing 1.0 as well. In essence, this new 2.0 version is a full reimplementation of the library. Starting from scratch is always a risky move,
Handling User Permissions in JavaScript | CSS-Tricks
So, you have been working on this new and fancy web application. Be it a recipe app, a document manager, or even your private cloud, you‘ve now reached the point of working with users and permissions. Take the document manager as an example: you don’t just want admins; maybe you want to invite guests with read-only access or people who can edit but not delete your files. How do you handle that log
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Figma to React Component | Figma
