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YehudaFrankelYehudaFrankel/clankbrain/.claude/skills/_archived_07-refactoring/SKILL.md

refactor

Skill16 starsChanged 7 months agoMITView on GitHub

Use when cleaning up, simplifying, or restructuring existing code without changing behavior. Triggers on "refactor", "clean up", "simplify this", "this is getting messy", "too long", "hard to read", "extract this".

196 other projects use a version of this.

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Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
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The file

We split this skill into the rules it gives an agent

2 rules. 0 are common, 2 are distinctive, and 0 are very specific to this project.

  • 0

    Common

    Most of the 169 edited versions we read keep these.

  • 2

    Distinctive

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Wait for user confirmation: before changing anything

    line 21
  2. Distinctive:

    Add new features or change behavior

    line 28

“Common” is measured: kept by at least 6 in 10 of the 169 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Refactor

  1. Read the target file fully — understand what it does before touching anything
  2. Identify the refactor type:
    • Duplicated logic → extract shared helper
    • Method doing too many things → split by responsibility
    • Deep nesting → early return / guard clause
    • Magic numbers/strings → named constants
    • Long parameter list → group related params into an object/struct
  3. State the plan first:

    "I'll refactor X by doing Y. This changes structure but not behavior. Files affected: [list]."

  4. Wait for user confirmation before changing anything
  5. One change at a time — not a full rewrite; each step leaves code working
  6. Verify behavior unchanged — walk through the before/after logic and confirm output is identical
  7. Do NOT while refactoring:
    • Add new features or change behavior
    • Introduce new dependencies or libraries
    • Rename things in ways that break the public API
    • "Fix" things that weren't asked about

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