Detect duplicated logic, constants, and configuration across modules.
npx skills add https://github.com/ngmthaq/my-copilot --skill dry-principle-ngmthaq
Please help me install this Agent Skill. Skill: dry-principle Source: https://github.com/ngmthaq/my-copilot/tree/main/skills/dry-principle Command: npx skills add https://github.com/ngmthaq/my-copilot --skill dry-principle-ngmthaq
DRY (Don't Repeat Yourself) is violated when knowledge or logic is duplicated across a codebase, leading to drift, higher maintenance costs, and more bugs. This Skill teaches how to identify duplications and consolidate them into a single source of truth.
Identify a duplicated block in your codebase and extract it into a shared function or constant.
High-intent search queries and answers about installing and using this skill.
You can eliminate code duplication by extracting duplicated logic, constants, and configuration into shared abstractions, ensuring a single source of truth that reduces drift and maintenance costs.
The DRY principle enforces a single source of truth by consolidating duplicated knowledge across a codebase. Apply it when duplicated constants, data schemas, or tests cause drift, higher maintenance costs, and bugs.
The best way to refactor duplicated blocks is to identify repeated logic or data shapes, extract them into shared functions or constants, and update all call sites to rely on that single definition for consistency.
Enforcing DRY helps maintain data schemas and tests by consolidating duplicated definitions into a single source of truth, which reduces drift and errors across modules while validating consistency before merging changes.
Avoid extracting shared abstractions when duplicated code is coincidental rather than representing the same knowledge, as forcing a shared definition creates unnecessary coupling and increases maintenance complexity.
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