You can use an online service like beautifier.io to try to clean it up a bit. There is no way to get the original human readable JS back though. If you are interested in reading source code, you might have more luck looking at repos on GitHub, which will not be minified.
I don't know to be honest (about the specifics). Have a look at Webpack - that's one of the more common tools for doing this sort of thing, so it'll give you a flavour of what's going on.
Appwrite - The Open Source Firebase alternative introduces iOS support . Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!
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