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test-preserving-refactor | codebase-maintenance

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codebase-maintenance
test-preserving-refactor

Skill

test-preserving-refactor

From codebase-maintenance

Use to restructure code while guaranteeing that all existing tests continue to pass.

Popularity

Parent stars

5

Parent forks

1

Invocation

How this skill is triggered — by the user, by Claude, or both

Slash command

/codebase-maintenance:test-preserving-refactor

User invocable

Model invocable

Inline context

Default effort

Context Preview

The summary Claude sees in its skill listing — used to decide when to auto-load this skill

Refactoring is only safe if it is backed by tests.

SKILL.md

18 lines · ~240 tokens

Stats

LanguageTypeScript

Parent stars5

Parent forks1

MaintenanceExcellent

Last CommitMay 6, 2026

Actions

View Source View Plugin View on GitHub View README

Stats

LanguageTypeScript

Parent stars5

Parent forks1

MaintenanceExcellent

Last CommitMay 6, 2026

Actions

View Source View Plugin View on GitHub View README

Test-Preserving Refactor

Refactoring is only safe if it is backed by tests.

The Protocol

Run Tests First: Before touching any code, run the tests covering the target area. They MUST be green. If they are red, stop and fix the tests (or the code) first.
Small Steps: Make one structural change at a time (e.g., extract a method).
Run Tests Immediately: Run the tests immediately after the single structural change.
Revert on Red: If the tests fail, you made a mistake. Revert the change (git checkout or ctrl+z) and try a different approach. Do not attempt to "fix" the refactor while tests are failing.
Commit: Once the small change is green, consider it a safe checkpoint.

This strict Red/Green/Refactor cycle prevents you from getting trapped in an uncompilable state.

$

npx claudepluginhub yeaight7/agent-powerups --plugin codebase-maintenance

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