I’m going to list a fairly exhaustive list of every plugin I use that can help with JavaScript development. There’s going to be a lot here, but I’ll try to justify each one as best as I can. Adding all of them will have no impact on the performance of your editor (unless you’re on a Raspberry Pi for example) and vim-plug will fetch / update them incredibly quickly. I actually use a lot more than this, but these are some of the most relevant.