428 packages found
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
A language aware diff tool.
Angular expressions as standalone module
Chevrotain is a high performance fault tolerant javascript parsing DSL for building recursive decent parsers
Parse PHP code from JS and returns its AST
small commonmark compliant markdown parser with positional info and concrete tokens
Dot notation tokenizer
Node.js port of Python's shlex shell-like lexer
A parser generator with Bison's API
stream-json is the micro-library of Node.js stream components for creating custom JSON processing pipelines with a minimal memory footprint. It can parse JSON files far exceeding available memory streaming individual primitives using a SAX-inspired API. I
A lexical analyzer based on DFA that is built using JS and supports multi-language extensions
A JSON polyfill for older JavaScript platforms.
a simple lexer , LL(1) , LR(1) npm lib.
ChainPack Object Notation (CPON) grammar for tree-sitter
A 100% compliant, self-hosted javascript parser with high focus on both performance and stability
JavaScript runtime for ANTLR4
JavaScript runtime for ANTLR4
Elsa grammar for tree-sitter
String Tokenization Library for JavaScript