GitHub - facebook/fbjs: A collection of utility libraries used by other Meta JS projects.

To make it easier for Facebook to share and consume our own JavaScript. Primarily this will allow us to ship code without worrying too much about where it lives, keeping with the spirit of @providesModule but working in the broader JavaScript ecosystem. For more information on how to build and use FBJS, click here. This library includes a number of packages that can be accessed in the packages fol

[teppeis]

fbjsはFacebook/Flowtype版のClosure Libraryっていう位置づけかな？

[efcl]

Reactとかで問題になってるモジュールの階層を書いてrequireする部分を解決するためのリポジトリ