Refactoring Plan
Generate code refactoring plans for legacy code modernization, technical debt reduction, and architecture improvements with risk analysis in 3 minutes.
Overview
Generate comprehensive refactoring plans for legacy code cleanup, technical debt reduction, and code modernization projects in under 3 minutes. Transform complex codebases with structured migration strategies that include risk analysis, testing protocols, and rollback procedures.
Use Cases
- Migrate authentication module from callbacks to async/await before quarterly security audit
- Eliminate duplicate validation logic across 15+ API endpoints during sprint cleanup
- Refactor React class components to hooks for new team members joining next month
- Modernize payment processing code to PCI DSS 4.0 standards ahead of compliance deadline
- Consolidate scattered error handling patterns into centralized middleware within current sprint
- Convert monolithic service layer into testable microservices for CI/CD pipeline integration
Benefits
Time saved on planning: Generate detailed refactoring roadmaps in under 3 minutes instead of 2-4 hours of manual documentation.
Risk mitigation: Get structured rollback procedures and incremental migration steps that prevent production incidents.
Team alignment: Share consistent refactoring documentation across developers, reducing handoff friction by 70%.
Testing coverage: Receive test strategy frameworks that ensure critical paths remain functional during code changes.
Technical debt reduction: Systematically address code quality issues with prioritized, actionable steps rather than ad-hoc fixes.
Template
Create a refactoring plan for:
Code component: {{component}}
Language: {{language}}
Current issues:
{{issues}}
Refactoring goals: {{goals}}
Include:
- Analysis of current code
- Proposed changes
- Benefits and risks
- Step-by-step implementation
- Testing strategy
- Rollback plan
Priority: {{priority}}
Properties
- component: Single-line Text
- language: Single Selection (default:
JavaScript)- Options: JavaScript, TypeScript, Python, Java, Swift, and 3 more
- issues: Multi-line Text
- goals: Multiple Selection (default:
Improve readability, Reduce complexity)- Options: Improve readability, Reduce complexity, Enhance performance, Better testability, Remove duplication, and 1 more
- priority: Single Selection (Radio) (default:
Medium)- Options: High, Medium, Low
Example Output
Input: Refactoring UserAuthentication module in TypeScript with callback hell, inconsistent error handling, and duplicate validation logic.
Generated Plan Excerpt:
## Analysis of Current Code
The UserAuthentication module exhibits classic technical debt patterns:
- 5 levels of nested callbacks create maintenance bottlenecks
- Error handling varies between try-catch blocks and callback error parameters
- Validation logic duplicated across login, signup, and password reset (estimated 200+ lines)
- Zero unit test coverage for critical authentication flows
- API endpoints hardcoded in 12 different locations
## Proposed Changes
1. Convert callback-based flows to async/await using Promise wrappers
2. Implement centralized error handling middleware with typed error classes
3. Extract validation logic into shared validator functions with unit tests
4. Introduce dependency injection for API endpoint configuration
5. Add comprehensive test suite with 90%+ coverage target
## Step-by-Step Implementation
Phase 1 (Week 1): Setup and preparation
- Create ValidationService with shared logic
- Write unit tests for validation functions
- Set up configuration management for endpoints
Phase 2 (Week 2): Incremental refactoring
- Refactor signup flow to async/await
- Deploy behind feature flag
- Monitor error rates for 48 hours
...
This template produces 800-1200 word refactoring plans that include code analysis, migration steps, testing strategies, and rollback procedures.
Common Mistakes This Template Helps You Avoid
Refactoring without a rollback plan: The template enforces rollback strategy documentation, preventing scenarios where broken deployments have no recovery path.
Missing test coverage before changes: By requiring testing strategy upfront, you avoid modifying code that has no safety net for detecting regressions.
Big-bang refactors that break production: The step-by-step implementation section encourages incremental changes with feature flags and monitoring windows.
Ignoring benefits vs. risks tradeoff: Forces explicit documentation of what could go wrong and why the refactor is worth doing, helping teams make informed decisions.
Skipping team communication: The structured output becomes shareable documentation that keeps stakeholders aligned on scope, timeline, and potential disruptions.
Frequently Used With
- Code Review: Use after generating refactoring plan to review proposed changes with team members before implementation
- Unit Test: Generate comprehensive test suites for newly refactored code sections
- Architecture Decision: Document architectural changes when refactoring affects system design
- Performance Optimization: Combine with refactoring plans when addressing performance bottlenecks
- Git Commit Message: Create clear commit messages for each refactoring phase
Get Early Access to Migi
Stop copying refactoring templates between docs and chat windows. Get early access to Migi and turn code refactoring into a repeatable workflow with saved templates, team sharing, and keyboard shortcuts.
