Are you working with legacy code? Did you get a job to expand existing feature? Are you scared of change because the code is too fragile? Let me show you the safe way.

For the rest of article please follow the link https://medium.com/@danielrusnok/how-to-safely-extend-your-legacy-code-part-i-af98b49e913b?sk=716a3e87d3f31aa2146e9d7b3679e3d4