# Fp Refactor

> Comprehensive guide for refactoring imperative TypeScript code to fp-ts functional patterns

- Skill: `ranbot-ai/fp-refactor` (Agent Skill)
- Install (CLI): `npx skillmds add ranbot-ai/fp-refactor`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ranbot-ai/fp-refactor/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ranbot-ai (https://skillmd.com/u/ranbot-ai)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ranbot-ai/fp-refactor

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# Refactoring Imperative Code to fp-ts

This skill provides comprehensive patterns and strategies for migrating existing imperative TypeScript code to fp-ts functional programming patterns.

## Detailed Guide

Read [the detailed guide](references/detailed-guide.md) before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely.

## When to Use
- You are refactoring an existing imperative TypeScript codebase toward fp-ts patterns.
- The task involves converting `try/catch`, null checks, callbacks, DI, or loops into functional equivalents.
- You need migration guidance and tradeoffs, not just isolated fp-ts examples.

## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.