[RFC] Migrate Jest to TypeScript by SimenB · Pull Request #7554 · jestjs/jest
In the lastest State of JS, the one stat that stood out to me was the number of people either using or wanting to use TypeScript (over 46.7% has used and will use it again, 33.7% wants to learn it). And since Babel 7 has support for TypeScript, integrating it into your workflow has become way easier than it used to be. We, the Jest core team, have privately discussed migrating to TypeScript (Jest
![[RFC] Migrate Jest to TypeScript by SimenB · Pull Request #7554 · jestjs/jest](https://cdn-ak-scissors.b.st-hatena.com/image/square/cc437f179079b68c1bc7e2471024fab183e2d43f/height=288;version=1;width=512/https%3A%2F%2Fopengraph.githubassets.com%2F89778bd573135b796f1e54b2f2c98e26f02405b768d6f4bdcbe7cd9bf7f6cb35%2Fjestjs%2Fjest%2Fpull%2F7554)
Announcing Yarn 1.0
Today, we are excited to announce the 1.0 release of the Yarn JavaScript package manager, a major step for the project. In the 11 months since its initial release, Yarn has generated a large following. Currently, there are more than 175,000 projects on GitHub with a yarn.lock file in their root directory. In use by many large and small companies, and across the open source community, Yarn is now r
React 16 RC · Issue #10294 · facebook/react
Points of Interest This is a complete rewrite of React but we expect it to work with your existing code. If you fixed all deprecation warnings introduced in 15.x, the 16 beta should work for you. Third party libraries that relied on deprecated or unsupported APIs may need updates to work correctly with this new release. Now is a good time to file issues against libraries that have problems. (And t
Release v0.49.0 · facebook/flow
Notable bug fixes: Optimized performance when typechecking classes Optimized performance of sentinel property checks involving large enums Lots of libdef updates! Thanks everyone for the contributions! Misc: Fixed infinite recursion from array spread Added experimental support for sending errors to an IDE over a persistent connection Removed unused --libs flag on status, check, and start commands
Release v15.6.0 · facebook/react
15.6.0 (June 13, 2017) React Downgrade deprecation warnings to use console.warn instead of console.error. (@flarnie in #9753) Add a deprecation warning for React.createClass. Points users to create-react-class instead. (@flarnie in #9771) Add deprecation warnings and separate module for React.DOM factory helpers. (@nhunzaker in #8356) Warn for deprecation of React.createMixin helper, which was nev
metaタグを追加してFacebookに対応する方法とハマりやすいポイント
Facebook使ってますか？ こんにちわ、ME課の渕上です。 ミーハーなぼくはもうすっかりFacebook中毒です。 Facebookといえば、「いいね！」や「シェア」といった仕組みで、面白いものを友達に共有できる仕組みが特徴的です。 この仕組をうまく使えば、プロモーションやキャンペーンに有効活用できそうですね。 今回は、いつものhtmlに一手間加えて「いいね！」や「シェア」で効果的に露出できるような方法をまとめてみたいと思います。 それでは続きからどうぞ！ 「いいね！」「シェア」をするとFacebook上に何がどう表示されるのか 「いいね！」や「シェア」をすると自分の掲示板やニュースフィードにアクティビティが表示されます。 自分の掲示板 「いいね！」したものは「最近のアクティビティ」という項目にまとめられて表示されます。 よくよく見てみると、記事のタイトルだけのものと、サイト名が入って
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GitHub - facebook/prop-types: Runtime type checking for React props and similar objects
