Using Sonargraph’s “System Diff” for Continuous Code Quality Improvements

Sonargraph often discovers a huge number of issues for large software projects. This is especially the case for projects that do not use static code analysis tools and that have many contributors. The analysis results can be overwhelming because it is not obvious where to start with quality improvements.

A common best practice to improve code quality is “to keep a lid on it” by preventing further issues to be introduced in new code and gradually improving existing code where it needs to be changed. This is described by Robert Martin as the boyscout rule: “Always leave the campground cleaner than you found it.” [KH]

This blog post explains how Sonargraph’s “System Diff” feature helps to focus on recently introduced issues that need the developer’s attention.

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