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Codex Behavior-Preserving Refactoring for Duplicated Label Logic

Extract a focused shared helper while keeping the behavior of both existing callers verifiable.

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Install in Codex

Open the source project or target module in Codex with both call sites, the existing behavior and relevant tests.

  1. Review `.agents/skills/refactor/SKILL.md` and its requirements at the pinned GitHub commit.
  2. Create `.agents/skills/refactor/` in your project and save the reviewed file as `.agents/skills/refactor/SKILL.md`.
  3. Start Codex from that project's root, then type `$refactor` and select the matching skill.

Example task

Propose a small refactor for this sample label rendering code.
{"calls":["renderCard","renderList"],"duplicated":"trim label","input":"  Jade  ","current":["Jade","Jade"]}

What to check

Use one shared label cleanup helper for both callers and continue asserting `outputs=Jade,Jade`.

Original SKILL.md on GitHub · Updated

Frequently asked question

Can similar code be merged if it handles empty values differently?

Capture the existing empty-value contracts in tests. Share the logic only when both public behaviors can be preserved.