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Fetching Data in React using React Async

You’re probably used to fetching data in React using axios or fetch. The usual method of handling data fetching is to:

  • Make the API call.
  • Update state using the response if all goes as planned.
  • Or, in cases where errors are encountered, an error message is displayed to the user.

There will always be delays when handling requests over the network. That’s just part of the deal when it comes to making a request and waiting for a response. That’s … Read article

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Run useEffect Only Once

React has a built-in hook called useEffect. Hooks are used in function components. The Class component comparison to useEffect are the methods componentDidMount, componentDidUpdate, and componentWillUnmount.

useEffect will run when the component renders, which might be more times than you think. I feel like I've had this come up a dozen times in the past few weeks, so it seems worthy of a quick blog post.… Read article

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Build a Chat App Using React Hooks in 100 Lines of Code

We’ve looked at React Hooks before, around here at CSS-Tricks. I have an article that introduces them as well that illustrates how to use them to create components through functions. Both articles are good high-level overviews about the way they work, but they open up a lot of possibilities, too.

So, that’s what we’re going to do in this article. We’re going to see how hooks make our development process easier and faster by building a chat application.… Read article

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Hey, let’s create a functional calendar app with the JAMstack

Hey, let's create a functional calendar app with the JAMstack

I’ve always wondered how dynamic scheduling worked so I decided to do extensive research, learn new things, and write about the technical part of the journey. It’s only fair to warn you: everything I cover here is three weeks of research condensed into a single article. Even though it’s beginner-friendly, it’s a healthy amount of reading. So, please, pull up a chair, sit down and let’s have an adventure.… Read article

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Managing WordPress Metadata in Gutenberg Using a Sidebar Plugin

WordPress released their anticipated over to the post editor, nicknamed Gutenberg, which is also referred to as the block editor. It transforms a WordPress post into a collection of blocks that you can add, edit, remove and re-order in the layout. Before the official release, Gutenberg was available as a plugin and, during that time, I was interested in learning how to create custom blocks for the editor. I was able to learn a lot about Gutenberg that I … Read article

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Managing State in React using Unstated-Next

In a previous post, we saw how to manage state using Unstated. As you might recall, Unstated uses React’s built-in setState to allow you create components that can consume state by subscribing to a provider — like the React’s Context API.

Well, we’re going to build off that last post by looking at Unstated Next, a library that author Jamie Kyle identifies as the “spiritual successor" to his Unstated project. Unstated Next provides both React HooksRead article

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Creating Animations Using React Spring

Have you ever needed animation in your React application? Traditionally, implementing animation has not an easy feat to accomplish. But now, thanks to Paul Henschel, we there’s a new React tool just for that. react-spring inherits from animated and react-motion for interpolations, optimized performance, and a clean API.

In this tutorial, we will be looking at two of the five hooks included in react-spring, specifically useSpring and useTrail. The examples we’ll implement make use of both APIs.… Read article

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Getting Started with React Testing Library

I can guess what you are thinking: another React testing library? So many have already been covered here on CSS-Tricks (heck, I’ve already posted one covering Jest and Enzyme) so aren’t there already enough options to go around?

But react-testing-library is not just another testing library. It’s a testing library, yes, but one that’s built with one fundamental principle that separates it from the rest.

The more your tests resemble the way your software is used, the more confidence

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Iterating a React Design with Styled Components

In a perfect world, our projects would have unlimited resources and time. Our teams would begin coding with well thought out and highly refined UX designs. There would be consensus among developers about the best way to approach styling. There’d be one or more CSS gurus on the team who could ensure that functionality and style could roll out simultaneously without it turning into a train-wreck.

I’ve actually seen this happen in large enterprise environments. It’s a beautiful thing. This … Read article

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Deploying a Client-Side Rendered create-react-app to Microsoft Azure

Deploying a React app to Microsoft Azure is simple. Except that... it isn’t. The devil is in the details. If you're looking to deploy a create-react-app — or a similar style front-end JavaScript framework that requires pushState-based routing — to Microsoft Azure, I believe this article will serve you well. We’re going to try to avoid the headaches of client and server side routing reconciliation.

First, a quick story.… Read article