This is yet-another-visualiser for build tools, like Disc or Webpack thingy or blah. In true XCKD tradition though, this one is different! It aims to be a universal visualiser - instead of plugging into a build chain, it uses sourcemaps to gather all the info it needs! This means it works with any build tool that outputs a SourceMap file!
Docs are in progress. Come back later to see more.