Despagghetifying code with NDepend
summary
NDepend plugs into Visual Studio, runs a one-time analysis to build an in-memory model, and uses CQLinq queries plus the dependency matrix and graphs to spot long dependency lines and cohesive squares inside a single God class of tens of thousands of lines. The team elevates method-level links to class-level types, performs compiler-safe refactoring over two to three weeks of mob programming (five people), finds dead and duplicated code, preserves behavior, and ends with much smaller, easier-to-reason-about classes.
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chapters (13)
- 0:00Start
- 0:17Jim Pelletier
- 6:59Overview
- 9:55Dashboard
- 10:58The Queries and Rules Explorer
- 12:55Trend Metrics
- 13:44Export To Graph
- 22:39Tree Map
- 30:30Dependency Matrix
- 40:13Base Class
- 48:21State Base Class and Common Dependencies
- 52:56Did the Functionality of the Code Change
- 56:05Indirect Dependencies
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