React 15.5へのアップデート手順(prop-typesとReact.createClass) - Qiita
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
MathJax CDN shutting down on April 30, 2017. Alternatives available.
The MathJax CDN hosted at cdn.mathjax.org will be shutting down on April 30, 2017. Current and future releases available on other CDN providers. Last Update: 2017/04/25 Please check for updates marked [Updated 2017/04/10], [Updated 2017/04/18], [Updated 2017/04/25], [Updated 2019/08/20]. Background Our CDN has been an important part of MathJax’s history. When MathJax made its first public release
ESLint v4.0.0-alpha.0 released - ESLint - Pluggable JavaScript Linter
Migration Guide As there are a lot of changes, we’ve created a migration guide describing the changes in great detail along with the steps you should take to address them. Not all ESLint users will be affected by the changes, however, the changes are big enough that we recommend everyone read the migration thoroughly. New Rules There is one new rule in this release: no-buffer-constructor Breaking
GitHub - mobxjs/serializr: Serialize and deserialize complex object graphs to and from JSON and Javascript classes
Serializr is a utility library that helps converting json structures into complex object graphs and the other way around. For a quick overview, read the introduction blog post Features: (De)serialize objects created with a constructor / class (De)serialize primitive values (De)serialize nested objects, maps and arrays Resolve references asynchronously (during deserialization) Supports inheritance
The Quest For Immer Mutable State Management
## The Quest For Immer Mutable State Management Michel Weststrate - @mweststrate - ReactiveConf 2016 MobX - Mendix .appear[ <img src="img/mobx2.png" width="200px" style="margin-right: 200px" /> <img src="img/mobx.png" width="200px" /> ] --- Developers are too smart .appear[(and too expensive)] .appear[to have them do stupid adminstrative tasks] .appear[(that can be done way better by computers any
Release v2.0.0-rc.0 · lerna/lerna
v2.0.0-rc.0 (2017-04-06) 🎉 It's the first release candidate of v2.0.0! 🎉 Highlights: Jest, CI automation improvements, and tons of internal refactoring! We've been in "beta" for quite some time, and it's time for our versioning to better communicate changes and guarantee API stability. Our goal is to focus on a few important bugfixes before pushing the big red button and cutting a v2.0.0 for rea
Video.js 6.0 Release! | Blog | Video.js | Open Source Video Player
After months of hard work, I am proud to annouce the release of Video.js 6.0 🎉! This release is pretty exciting. It greatly improves the accessibility of the controls and components, and we are committed to making Video.js the most accessible player we can. Video.js also provides some shiny, and awesome, new features for developers in middleware and advanced plugins. Video.js 6.0 is also the firs
Regular Expressions in a post-ES6 world — Pony Foo
In this article we’ll take a look at regular expressions in and after ES6. There’s a couple of regular expressions flags which were introduced in ES6: the /y or sticky flag, and the /u or Unicode flag. Then we’ll discuss five proposals which are making their way through the ECMAScript specification development process at TC39. Sticky Matching Flag /y The sticky matching y flag introduced in ES6 is
Svelte ナメてたけど結構スゴい - Qiita
Front-end Developer Handbook 2017 でも言及されていたりと少しずつ注目を集めている印象の Svelte ですが、「はいはいまた JS の流行り物 FW でしょ」とか「No Framework って Serverless みたいなバズワードになるんでしょ〜」などと正直ナメてたんですが、ナメっぱなしではいけない、とガイドを一通りさらったところ「なるほどこれは新しい勢力だな」と思い至ったので同じくナメてる人向けにスゴいところを紹介します。一応断っておきますが、さすがに商用環境に投入できるかというとまだ全然出来る気がしないので、今すぐあなたの xxx を置き換えるものではないです。 Svelte のルック&フィール Svelte は Riot.js のコンポーネントや Vue.js のコンポーネントのように html ファイルにテンプレートとロジックを書いていくのが
GitHub - syavorsky/comment-parser: Generic JSDoc-like comment parser.
comment-parser is a library helping to handle Generic JSDoc-style comments. It is language-agnostic – no semantics enforced. You decide what tags are and what they mean. And it can be used with any language supporting /** */ source comments. no dependencies – it is compact and environment-agnostic, can be run on both the server and browser sides highly customizable – with a little code you can dee
Vue.js SEO-Friendly SPAs: Tips, Tools & Prerender Example
Do you know about Hulu's JavaScript fail story? Back in 2016, the online video streaming service experienced a 56% visibility drop due to bad JS handling. A nightmare no business wants to go through. To avoid such disasters, you have to know what you're doing when working with modern JavaScript frameworks. Here at Snipcart we are expert of JavaScript for e-commerce, and we love Vue.js. However, we
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Release v1.6.0 · karma-runner/karma
GitHub - microsoft/SyncTasks: An explicitly non-A+ Promise library that resolves promises synchronously
GitHub - xaviervia/sketch2json: Get a JSON output out of a buffer of Sketch v43+ data (works both in Node and in the browser)
GitHub - facebook/prop-types: Runtime type checking for React props and similar objects
Release 0.19.0 · avajs/ava
Javascript code formatting- Christopher Chedeau, React London 2017
Release Almin.js 0.11 · almin/almin
TestCafe v0.14.0 Released | Release Notes | What's New
GitHub - nettofarah/axios-vcr: :vhs: Record and Replay requests in JavaScript