@tank/ast-linter-codemod

Writing a custom ESLint rule with auto-fix involves using the Visitor pattern to traverse the AST and the Fixer API to generate replacements. This Skill guides you through defining rule logic, identifying target nodes, and outputting automated code fixes.

Automating API migrations across a large codebase is best achieved using codemods with jscodeshift or ts-morph. This Skill enables you to build AST transformation scripts that programmatically locate deprecated API patterns and replace them.

Yes, you can use ast-grep to write YAML rules for large-scale code transforms. This Skill covers YAML rule authoring to define structural search and replace patterns, enabling code transformations without writing complex imperative scripts.

ts-morph works well for TypeScript code analysis and refactoring by providing a typed AST manipulation API. This Skill utilizes ts-morph to perform structural code analysis, navigate syntax trees, and execute large-scale refactoring transformations.

Testing codemods and custom linters requires validating AST transformations against fixture files using established testing strategies. This Skill covers testing methodologies to ensure your code transforms and auto-fixes produce expected outputs without regressions.