codemod-gen
Generate codemods for large-scale code changes. Use when refactoring patterns across many files.
What this skill does
# Codemod Generator You need to replace a pattern across 500 files. Find and replace won't cut it. This tool generates AST-based codemods that safely transform your code at scale. **One command. Zero config. Just works.** ## Quick Start ```bash npx ai-codemod "convert class components to functional" ``` ## What It Does - Generates jscodeshift codemods for your specific transformation - Handles complex patterns like class to function conversions - Preserves formatting and comments - Works across entire codebases ## Usage Examples ```bash # Class to functional components npx ai-codemod "convert class components to functional" # Modernize code npx ai-codemod "replace lodash.get with optional chaining" # API migrations npx ai-codemod "migrate from moment to date-fns" # Framework upgrades npx ai-codemod "update React Router v5 to v6" ``` ## Best Practices - **Test on a branch first** - always run codemods on a fresh branch - **Review the diff** - spot check that transformations are correct - **Run incrementally** - do one file type at a time - **Keep the codemod** - save it for future use ## When to Use This - Major framework or library upgrades - Enforcing new code patterns across the codebase - Deprecating old APIs in favor of new ones - Standardizing code style at scale ## Part of the LXGIC Dev Toolkit This is one of 110+ free developer tools built by LXGIC Studios. No paywalls, no sign-ups, no API keys on free tiers. Just tools that work. **Find more:** - GitHub: https://github.com/LXGIC-Studios - Twitter: https://x.com/lxgicstudios - Substack: https://lxgicstudios.substack.com - Website: https://lxgicstudios.com ## Requirements No install needed. Just run with npx. Node.js 18+ recommended. Needs OPENAI_API_KEY environment variable. ```bash npx ai-codemod --help ``` ## How It Works Takes your plain English description of the transformation and generates a jscodeshift codemod script. The AI understands AST manipulation and outputs a codemod you can run with jscodeshift or babel. ## License MIT. Free forever. Use it however you want. --- **Built by LXGIC Studios** - GitHub: [github.com/lxgicstudios/ai-codemod](https://github.com/lxgicstudios/ai-codemod) - Twitter: [@lxgicstudios](https://x.com/lxgicstudios)
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