Code Quality
What Is Legacy Code? A Clear Definition for Developers
What is legacy code? A clear definition for developers, why Michael Feathers defines it as code without tests, and how to tell debt from legacy.
Jonny Rowse 7 min read Tag
Legacy-code
5 articles tagged with "Legacy-code"
Jonny Rowse 7 min read Code Quality
Breaking Dependencies in Legacy Code: Sprout, Wrap, and Seam Patterns
Break dependencies in legacy code safely. A practical guide to sprout method, wrap method, and seams from Working Effectively with Legacy Code.
David White 12 min read Code Quality
Refactoring Legacy Code Without Breaking It
Refactoring legacy code safely: a practical playbook with characterisation tests, seams, strangler fig, and small changes that keep production up.
Gareth Clubb 11 min read Code Quality
How to Audit a Legacy Codebase: A Step by Step Guide
A practical guide to legacy code analysis: how to audit an unfamiliar codebase, identify risks, map dependencies, and plan a safe path forward.
Zubair Hasan 12 min read Workflows
The Developer's Guide to Working with Legacy Code
Practical strategies for working with legacy code, from adding tests to safe refactoring and the strangler fig pattern.
Gareth Clubb 10 min read