tl;dr

If you’re refactoring something – do it iteratively.

Recently I was refactoring some code, it was time to pay off some debt. We have modular monolith and it appeared that one module was clearly a part of another, they just ping-ponged themselves all the time.

I was convinced that it was trivial. Communication from and to the module is done entirely via the module’s API. So it’s enough to move all files from the obsolete module to the other one and done. Right?

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