style9: build-time CSS-in-JS

In April of last year, Facebook revealed its big new redesign. An ambitious project, it was a rebuild of a large site with a massive amount of users. To accomplish this, they used several technologies they have created and open-sourced, such as React, GraphQL, Relay, and a new CSS-in-JS library called stylex. This new library is internal to Facebook, but they have shared enough information about it to make an open-source implementation, style9, possible. Why another CIJ library?… Read article “...

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