ast-grep for Windows download

Overview of ast-grep: fast structural search and rewrite

ast-grep is a command-line utility for developers who need powerful code searching, linting, and automated rewriting across many programming languages. It performs structural queries and static analysis, using precise parsing to match and transform code snippets. The tool is free to use and is especially helpful when working with large repositories that require systematic refactoring.

Core capabilities

Native support for tree-sitter parsing, enabling accurate manipulation of code trees
Cross-language searching and linting, including TypeScript and other popular languages
Command-line interface designed for scripting and integration into CI pipelines
High performance on big codebases, making repetitive analysis and refactors efficient

Additional strengths

Lightweight, flexible configuration for custom rules and patterns
Helps improve maintainability by automating common linting and rewrite tasks
Accessible to both newcomers and experienced engineers thanks to a clear CLI
Suitable for incorporation into development workflows and code-review processes

Typical scenarios where it shines

ast-grep is well suited for:

Large-scale refactorings that require structural context rather than plain text matches
Automated linting rules applied across many files or repositories
Projects that need precise code transformations without the brittleness of regex-based tools
Integrations with CI systems to enforce code-quality standards

Getting started and integration tips

To adopt ast-grep smoothly:

Try it first on a small subset of files to validate search patterns and rewrite rules
Add rule checks to your continuous integration so regressions are caught early
Combine its CLI with shell scripts or task runners for repeatable developer workflows
Leverage tree-sitter grammars for the languages in your stack to maximize match accuracy

If you’d like, I can draft example commands or a sample config file tailored to your repository.