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have you ever looked at code obfuscated by proprietary tools? By your logic it's easy to reverse-engineer and copy Gmail - good luck with that

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Are you saying you don't think Gmail has a backend...?

Of course it has a backend, but so do the Firebase apps that this entire thread is talking about. Referring to a JS app as "client-side" doesn't imply that there's no backend logic.

My point is that you can't just de-obfuscate a primarily client-side JS app and replace the Firebase (or whatever) endpoints. Proprietary obfuscation is more than just variable name munging and minification..

The Gmail backend isn't available in the same way as the Firebase backend.

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