What is semantic matching in the context of this skill?

Semantic matching allows patterns to match code based on type information rather than just syntax. This means a single pattern can match various import styles or call signatures that resolve to the same underlying type.

What is the primary benefit of the rewrite() helper?

The rewrite() helper is the recommended approach for simple substitutions. It provides a clean, declarative way to define 'before' patterns and 'after' templates, automatically handling code formatting.

Can I use this skill to write OpenRewrite recipes for Java?

No, this skill is specifically optimized for TypeScript-based recipe authoring. For Java recipes, you should use the 'writing-openrewrite-recipes' skill.

OpenRewrite TypeScript Recipe Authoring

Name: OpenRewrite TypeScript Recipe Authoring
Author: openrewrite

byopenrewrite

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Developer Tools

Builds automated code transformation and refactoring tools using OpenRewrite's TypeScript API and visitor patterns.

This skill empowers developers to create sophisticated, automated code transformation recipes for JavaScript and TypeScript projects using the OpenRewrite framework. It provides a comprehensive guide for implementing visitor patterns, leveraging Lossless Semantic Tree (LST) concepts, and using declarative pattern-to-template matching for large-scale refactoring and migrations. By streamlining the development of custom recipes, it enables teams to automate repetitive code maintenance tasks, enforce best practices, and perform complex architectural migrations with precision and safety.

Key Features

01Standardized templates for basic, configurable, and pattern-based recipes

02Comprehensive testing strategies using RecipeSpec and rewriteRun

0349 GitHub stars

04Deep-dive guides for LST structures, immutability, and type attribution

05Automated code formatting through OpenRewrite's template engine

06Declarative pattern matching and semantic type-based matching systems

Use Cases

01Mass-refactoring legacy codebases to modernize syntax and update dependencies

02Enforcing custom architectural patterns and coding standards through automated fixes

03Automating large-scale library migrations and API updates across complex repositories

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add openrewrite/rewrite-docs writing-openrewrite-recipes-js

For use in Claude.ai and ChatGPT

Download Skill