If you want to add tags to your Jekyll blog but found out that it is simply not supported by Github pages. You are at the right place here. It is true that Github pages do not support customized Ruby plugins for Jekyll site. It is also true that the great jekyll-tagging is not one of Github default jekyll plugins. As a result, we need to implement Jekyll tagging without plugins, it sounds hard, bu
Intro 長いこと議論になっていた ES Modules の Node における扱いに一応の決着が付き、 .mjs という拡張子が採択された。 この拡張子の意味と、今後ブラウザと合わせて Universal JS を実装していく上での作法が見えてきたことになる。 合わせてエコシステムが対応していくことで、長年の夢だった JS のモジュール化を進めていくことができるだろう。 ES Modules 徐々に揃いつつある ES Modules(ESM) の仕様は TC39 で行われており、その仕様については主に以下のような部分になる。 import や export と行った構文 module 内はデフォルト strict mode module でスコープを閉じる module 内の this は undefined etc 逆に以下は TC39 での策定範囲外となる どう Module を読
Archive jan@apache.org twitter.com/janl mastodon: @janl@narrativ.es github.com/janl GPG Fingerprint: D2B1 7F9D A23C 0A10 991A F2E3 D9EE 01E4 7852 AEE4 OTR Key: 83DFF1C9 95252513 D430604F 5E244CCC C8795B4B Understanding the Facebook vs Apache Software Foundation License Kerfuffle ↤ August 19th, 2017 Translation: French by @gnieh_ Disclaimers: I am not a lawyer. I’m not speaking for Facebook, the AS
Hey, all cool kids have exciting Engineering Newsletters these days, so it’s high time the JavaScript Binary AST got one! Summary JavaScript Binary AST is a joint project between Mozilla and Facebook to rethink how JavaScript source code is stored/transmitted/parsed. We expect that this project will help visibly speed up the loading of large codebases of JS applications and will have a large impac
60fps scrolling using pointer-events: none Paul Lewis did an interesting article a while back about avoiding unnecessary paints through disabling hover effects as the user scrolls, which is a great approach. The down side being managing all your hover states through a parent class. UPDATE: I’ve done a follow up article which demonstrates a more robust technique. That approach doesn’t scale well an
introducing react-beautiful-dndDrag and drop is an intuitive way of moving and rearranging things. We at Atlassian have recently released react-beautiful-dnd which makes drag and drop for lists on the web more beautiful, natural and accessible. PhysicalityThe core design idea of react-beautiful-dnd is physicality: we want users to feel like they are moving physical objects around. This is best ill
Beyond typeof and instanceof: simplifying dynamic type checks This blog post describes a technique for making instanceof applicable to more values (on the right-hand side). Specifically, for primitive values. Background: typeof vs. instanceof # In JavaScript, you have to choose when it comes to checking the type of a value. The rough rule of thumb is: typeof checks if a value is an element of a p
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