typescript-simplifier

Detect duplicate TypeScript and JavaScript patterns and extract shared utilities.

2|Updated Jan 6, 2026

Search Tags:#typescript #DRY #javascript #patterns #refactor #code-duplication #shared-utils

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npx skills add https://github.com/citadelgrad/scott-cc --skill typescript-simplifier

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Please help me install this Agent Skill.
Skill: typescript-simplifier
Source: https://github.com/citadelgrad/scott-cc/tree/main/skills/typescript-simplifier
Command: npx skills add https://github.com/citadelgrad/scott-cc --skill typescript-simplifier

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps teams reduce code duplication in TypeScript and JavaScript projects, improving maintainability and readability while preserving existing behavior.

Core Features & Use Cases

Detect duplicate patterns across modules and components and highlight refactoring opportunities.
Extract shared utilities, hooks, or components to create a single source of truth and simplify maintenance.
Guide disciplined refactoring that enforces DRY/KISS principles and modern TS/JS practices.
Use case: In a large React/Node project with repeated data fetch or validation logic, consolidate into reusable utilities.

Quick Start

Identify a duplicated function or class, extract it into a shared module (e.g., src/utils/), and replace all references with the shared implementation.

Frequently Asked Questions about typescript-simplifier

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I reduce code duplication in a large TypeScript project?▼

To reduce code duplication in TypeScript, identify repeated patterns across modules and extract them into shared utilities, hooks, or components. This enforces DRY principles and creates a single source of truth while preserving existing behavior.

What is the best way to refactor shared data fetch logic in React and Node?▼

The best way to refactor shared data fetch logic is to consolidate the repeated implementations into reusable utilities within a shared module like src/utils. You then replace all existing references with this extracted shared implementation to simplify maintenance.

Can I use this refactoring approach on medium-to-large JavaScript codebases?▼

Yes, you can apply this refactoring approach to medium-to-large JavaScript codebases. It is designed for projects with multiple modules, utilities, hooks, or components that share logic, helping improve maintainability and readability without altering functionality.

How do I extract a duplicated function into a shared module?▼

To extract a duplicated function into a shared module, identify the repeated logic, move it into a centralized file such as src/utils/, and replace all original references with imports from that new shared implementation to establish a single source of truth.

Does this DRY refactoring approach preserve existing application behavior?▼

Yes, this DRY refactoring approach preserves existing application behavior. It focuses on improving maintainability and enforcing modern TS/JS practices while ensuring the functional output of the consolidated utilities, hooks, or components remains identical.