The Great CoffeeScript to Typescript Migration of 2017

Editor’s preface: When I first joined Dropbox in May 2017, we were at the tail end of our CoffeeScript to TypeScript migration. If you wanted to make changes to a CoffeeScript file, it was considered common courtesy to convert it to TypeScript while you were at it. Parts of our codebase were still using react-dom-factories and we had a custom flux implementation predating Redux. I knew our web pla

[sh19e]

“While we learned plenty of technical lessons throughout this process, possibly the most important lesson our team learned was that we should save our political and organizational capital for jobs we can’t automate for everyone. ”

[braitom]

Dropboxが2017年に行ったCoffeeScriptからTypeScriptへの移行プロジェクトについて。どのように移行計画を立てたのか、どのような問題が発生したかなどが書かれている。