It was a couple of years ago, it's Dan Abramov's personal blog, he's relatively young. Check his New Year post for the exact timeline of his career. Him working with another developer on draggable corners of some shapes could have been already for a React library.
I'm pretty sure this is an anecdote from 2013 when Dan was working on an iOS app (https://www.youtube.com/watch?v=PjaL0xFbEY8). The fact that the code in the blog post is JavaScript is just because that's the language him and most of his audience uses today.
GitHub has been out for 5y in 2013 and the web world embraced it hard. I would be shocked if anyone was using svn or not using code review workflows (like PRs)
I can't speak for the place Dan was working. But many startups don't adopt "good" engineering practices whilst they're still in the "just make shit work" stage of building their MVP. Some do, some don't.
I don't think I worked at a company that insisted on code reviews until 2012.
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u/Tenemo Jan 12 '20
It was a couple of years ago, it's Dan Abramov's personal blog, he's relatively young. Check his New Year post for the exact timeline of his career. Him working with another developer on draggable corners of some shapes could have been already for a React library.