I'm looking for a script that can separate a document into individual InDesign files that, upon extraction, allows for some naming capabilities for each page such as either:
adding a suffix (page width & page height)
using the bookmark name
typing in an entirely custom name in a dialogue box upon running the script
If I had a single document with 5 pages, the script would split that file into 5 separate files – and upon running the script, it would have an option to split them named according to any of the naming options mentioned above.
InDesign does have a default way of breaking down a document on export into individual PDF docs, one per page, with some file naming options. Beyond this, you're on your own: more customization would indeed involve scripting.