A production-ready AST security guard for JavaScript - validate, protect, and enforce code safety with extensible rules

TSLite sanitize — fail-closed AST guard against sandbox-escape surfaces (constructor/prototype/__proto__, dangerous globals) + own-only runtime member access. DEFENSE IN DEPTH, not a security boundary (see SECURITY.md).

基于 AST 的 Pi 代理安全防护扩展 — 解析 Bash 命令，拦截危险操作（继承自 pi-damage-control）

AST utility module for statically analyzing JSX

A class library that provides an API similar to ESLint's token store

AST-aware v8-to-istanbul

AST utils for webassemblyjs

A toolkit for easy Babel AST generation and manipulation.

Generate regular expressions from regjsparser’s AST.

A modern CSS parser and stringifier with TypeScript support

Oxc Parser Node API

Transform HAST to Babel AST (JSX)

Flow types for the Javascript AST

Search and Rewrite code at large scale using precise AST pattern

A library for analysing JS RegExp

Esprima-compatible implementation of the Mozilla JS Parser API

A JavaScript parser built from the Hermes engine

Collection of useful helper functions when trying to determine module type (CommonJS or AMD) properties of an AST node.

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Composable primitives for dead code elimination in Babel