This Week In React #110: Fresh, Hydrogen, Next.js, Remix, Storybook, useEffect, MJML, MDX, React-Native, ES2022...
The Preact framework officially supported by Deno is now v1 and considered production-ready. Fresh reminds me of a mix between Remix and Astro: no JS by default, progressive enhancement, multi-page app with islands architecture. There is no build step: you deploy directly your TypeScript/Deno app to the Edge in a few seconds.
Hydrogen, Shopify's React meta-framework for building e-commerce stores, just went v1.0 and was one of the first to rely on React Server Components. This article is an interesting feedback on the creation of the framework, detailing various choices made over time: React Server Components, Vite, Tailwind, preloading/waterfall, GraphQL fragments...
Latest version of Next.js. The main theme is the gradual adoption of the Edge and standardized web APIs: middleware, but also API routes and SSR. There are also improvements on images, and a system of SWC plugins in WebAssembly.
Josh Comeau explains how he writes his emails with MDX, then uses MJML, React and Next.js to create the final HTML output that will work in all email clients, sent through ConvertKit, and will also be available on the web.
The initial model of React can be summarized as
ui = f(state). The problem is that this model does not really take into account network synchronization (i.e. API calls). Jim explains how Remix takes the React model and includes the network, thus reducing the need for local state management.
New doc page written by Dan Abramov, just merged to the beta site. Effects exist for synchronization with an external system. Many anti-patterns are presented with concrete examples and even challenges. Even experienced devs should read it. Some things may surprise: like using setState while rendering 😱. I particularly liked the
Dan Abramov explains on Reddit why data fetching via useEffect is not ideal. However, there is no need to rewrite your application on the spot if it doesn't have any UX issue: those problems are not new in React 18, just better documented. See also comments on React-Native data-fetching.
📜 React Query FAQs: Dominik from React-Query answers the 3 most common questions.
📜 The React core team finally have opinions about CSS: good summary of current trends: increasing use of no-runtime CSS-in-JS.
📜 Cut build times with Gatsby Runner: new experimental Netlify plugin to reduce Gatsby build time by delaying image processing.
📦 Storybook Variants Addon: convenient addon: add toolbar dropdown to display all variants of a story at once. No extra code needed: based on Controls.
📦 Create-T3-App: modern stack to start a project: Next.js, Prisma, TypeScript, tRPC, Tailwind...
📦 Gatsby 4.17: perf improvements
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First version of React-Native to support React 18. To use the new features of Concurrent React, you will have to migrate to the new architecture first. The Hermes distribution mode has also changed: each version of React-Native will be associated with a Hermes version guaranteed compatible.
ES2022 Features: Ecma International just validated the ES2022 spec. Overview of all the features included:
.at(), Error Cause, top-level await...
Defensive CSS: CSS tips to make your CSS more robust.
Style Queries: CSS Container Queries is not just about layouts.
StackOverflow Developer Survey 2022: React remains very used and liked. Svelte and Phoenix are good challengers.
Histoire: A new way to write stories: Storybook challenger coming from the Vue ecosystem.
FnApi: new project from Donny (swc creator) to reduce API calls boilerplate