Extensible editors (like Sublime) often provide their “tidy” feature through a “package” or “plugin” that calls an external Tidy executable for the work. Has Atom’s ecosystem built that feature?
Yes, there are a number of packages to do the kind of thing you’re asking about:
Thanks very much. I’d have found those had I used “prettify” or “beautify” rather than “tidy” in my search.