Source code organization: How to divide large JavaScript files into several smaller JavaScript files?

Hello,
some of my JavaScripts have become considerably large over time. What I would like to do is to split a single (large) JavaScript source file into several smaller source files plus an additional JavaScript file containing code or directives to recombine the split files.
In other words, I would like to organize my JavaScript source code into re-usable modules.
Although I searched the Acrobat JavaScript developer documentation and did a lot of Web searching, I still have no idea...
whether the Acrobat JavaScript scripting environment itself does provide a code structuring mechanism
how to properly organize large Acrobat JavaScripts in general.
Any help would be greatly appreciated! Thanks a lot in advance!
Sebastian

Document-level scripts are not accessible to other documents/scripts, so they're not a good option.
Folder-level scripts, on the other hand, are accessible to all other documents/scripts. So if you have a general function that creates a 3D annotation, for example, you can place it in a folder-level script and then call it from other scripts (you will probably need to provide it a handle for the document and properties of the annotation).
One thing to be aware of, though, is that the folder-level scripts are loaded alphabetically, so don't put a reference in script aaa.js to something that loads in zzz.js, or you will get an error message when you open Acrobat. (this is not a problem if zzz.js is not called during the launch of Acrobat)

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===========
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===========
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Source code organization: How to divide large JavaScript files into several smaller JavaScript files?

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