No, you don't need a build system, but most developers cannot work anymore without a build system. And what about node.js, it's a lot better to skip a build ste

No, you don't need a build system, but most developers cannot work anymore without a build system. And what about node.js, it's a lot better to skip a build step. I think typescript is a temp hype just like jQuery, useful for many, but a few people can just do the vanilla JavaScript way.