1
Write tests. Not too many. Mostly integration
[Guillermo Rauch](https://x.com/rauchg) [tweeted](https://x.com/rauchg/status/807626710350839808) this a while back. Let's take a dive into what it means.
Visit blog.kentcdodds.com → On Hacker News Oct 2017 – Apr 2018
Software Engineering 3Web & Frontend 2Tools & Productivity 1
[Guillermo Rauch](https://x.com/rauchg) [tweeted](https://x.com/rauchg/status/807626710350839808) this a while back. Let's take a dive into what it means.
When I use classes, when I don't, what I do instead, and why
Let's compare the before/after of React's new context API.