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July 17, 2017Extracting Logic from React ComponentsIn the previous screencast we took a React component that was doing too much and refactored it, splitting it into two components that are easier to maintain, use and test. Although I'd recommend watching that video first, you don't need to have watched it to read this blog post. You can find all the code on GitHub if you'd like to run it locally.
PreactJS is a fast 3kB alternative to React with the same ES6 APIFirst, some background…PreactJS is developed by Jason Miller — one of my programming heroes. The framework was developed with a goal of providing high performance, memory efficiency and close compatibility with React API with an aim to keep the footprint as small as possible i.e 3kb. Preact is increasingly getting adopted in the comm
アイソモーフィックJavaScriptは、クライアントサイド(ブラウザ)とサーバーサイドで同じコードを実行できるようにするためのフレームワークの総称。本書では、従来のアプリケーションが持つ問題点(読み込みの遅さ、SEO対策の困難さなど)を明らかにするところから始め、アイソモーフィックなアプリケーションの分類やアイソモーフィックさの度合いについて理解したうえで、アイソモーフィックなJavaScriptフレームワークを構築するための実践手法を解説し、Walmart、Airbnb、Facebook、Netflixといった大企業がアイソモーフィックJavaScriptを選んだ理由を明らかにします。読者は、なぜこのアプリケーションアーキテクチャーが、ページ読み込み速度やSEOコンパチビリティといった、ビジネス面でクリティカルな問題を解決するためのソリューションとして人気上昇中なのかを学べます。 賞賛
On the heels of our announcement of free static deployments earlier today, we are excited to introduce a beta release of the upcoming Next.js 3.0, featuring next export, dynamic components and various bugfixes. Next.js allows you to write React applications with server-rendering, automatic code-splitting, built-in component CSS with one command. To get started, populate pages/my-route.js directory
Plugins for React and Vue.js, TestCafe Docker image, support for Internet access proxies and lots of bug fixes. Breaking Changes New calls to selector’s withText method no longer override previous calls We have changed the way the withText method behaves when it is called in a chain. const el = Selector('div').withText('This is').withText('my element'); In previous versions, this selector searched
React 15.5がリリースされ、今までは同梱されていたReact.PropTypesとReact.createClassが非推奨となりそれぞれ別パッケージに分かれました。 React v15.5.0 - React Blog prop-types create-react-class React.PropTypes を prop-typesへマイグレーションする方法としてcodemodのスクリプトが提供されています。 reactjs/react-codemod: React codemod scripts React 15.5の警告内容 単純にReact 15.5へアップデートするとReact.PropTypesとReact.createClassのコンソールエラーが表示されます。 まだ非推奨の警告だけなので16.0のメジャーアップデートまでは普通に動作します。 Warning: Re
More than 3.1 million developers read our announcement post of Next.js. More than 110 contributors have submitted patches, examples or improved our documentation. Over 10,000 developers have starred us on GitHub. Today, we are proud to introduce Next 2.0 to the world. What follows is a quick summary of every new feature and improvement we have made. Link to headingReact Made Easy and SimpleNext.js
One of the ongoing initiatives for the Bugsnag Frontend Team has been a migration of our codebase away from coffeescript. It hasn’t been an easy journey, and it isn’t yet complete, but we thought we’d share what we have learned from this process and how we have managed to speed our conversion without overly sacrificing productivity or stability. Why move away from coffeescript Javascript has becom
Jest-like snapshot feature for the rest of us + data-driven testing! deprecated please use snap-shot-it - it grabs test instance at runtime, avoiding looking at the source code and getting lost in the transpiled code. snap-shot-jest-test - for testing snap-shot against Jest runner (React + JSX) snap-shot-modules-test - for testing against transpiled ES6 modules snap-shot-vue-test - for testing sna
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