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Matt Pocock
62f43a1817
- Introduced TDD skills including deep modules, interface design, mocking, refactoring, and testing guidelines. - Added skills for breaking plans into GitHub issues and creating PRDs from conversation context. - Implemented productivity skills for scaffolding exercises, setting up pre-commit hooks, and managing notes in Obsidian. - Created a caveman communication mode for concise technical responses and a grilling technique for thorough plan discussions. - Developed a skill for writing new agent skills with structured templates and guidelines. - Included git guardrails to prevent dangerous git commands and a migration guide for using @total-typescript/shoehorn in tests.
1.2 KiB
1.2 KiB
Deep Modules
From "A Philosophy of Software Design":
Deep module = small interface + lots of implementation
┌─────────────────────┐
│ Small Interface │ ← Few methods, simple params
├─────────────────────┤
│ │
│ │
│ Deep Implementation│ ← Complex logic hidden
│ │
│ │
└─────────────────────┘
Shallow module = large interface + little implementation (avoid)
┌─────────────────────────────────┐
│ Large Interface │ ← Many methods, complex params
├─────────────────────────────────┤
│ Thin Implementation │ ← Just passes through
└─────────────────────────────────┘
When designing interfaces, ask:
- Can I reduce the number of methods?
- Can I simplify the parameters?
- Can I hide more complexity inside?