I've been doing TypeScript for 4+ years and been a web developer for 20+ years. And I experience literally zero benefit from TypeScript. Never has it given me anything useful. To me, it's a massive pain in the ass that slows down myself and my team, even if they think it doesn't. They just don't know JavaScript or have shitty quality of code to begin with.

That, and TypeScript generics can get so freaking complex that the code does NOT become simple to read at alllllll. It's a massive waste of time.

Also read: https://medium.com/javascript-scene/the-typescript-tax-132ff...