4 points
Mission critical code. There are decades of bug fixes. The biggest cost of rewriting it is a risk of errors in the logic.
1 point
I can understand that, the fear of moving and the logic being ruined. I wonder how much modern frameworks could cut down the codebase though
1 point
*
Modern frameworks don’t help with business logic corner cases. You would want to carefully analyze the algorithms of the legacy code and rewrite same logic in a new language. Even then, the same logic operators don’t work the same in every language (automatic type conversions, truthiness of non-boolean types).
1 point
