Error information from the likes of ESLint, TSC etc. are shown as overlays in VSCode. These can be triggered by hovering over the marked section of your code. But this requires you to use your mouse or trackpad. Ain't nobody got time for that!
Luckily, you can just do the following when using VSCode Vim:
When you don't use VSCode Vim, you'll have to work a bit harder for that sweet, sweet error info though:
<Cmd>K + <Cmd>I