PEG.js is a simple parser generator for JavaScript that produces fast parsers with excellent error reporting. You can use it to process complex data or computer languages and build transformers, interpreters, compilers and other tools easily. PEG.js is still very much work in progress. There are no compatibility guarantees until version 1.0. Based on parsing expression grammar formalism, more powerful than traditional LL(k) and LR(k) parsers. Usable from your browser, from the command line, or via JavaScript API.

Features

  • Simple and expressive grammar syntax
  • Parser Generator for JavaScript
  • Integrates both lexical and syntactical analysis
  • Parsers have excellent error reporting out of the box
  • Based on parsing expression grammar formalism, more powerful than traditional LL(k) and LR(k) parsers
  • Usable from your browser, from the command line, or via JavaScript API

Project Samples

Project Activity

See All Activity >

License

MIT License

Follow PEG.js

PEG.js Web Site

Other Useful Business Software
Forever Free Full-Stack Observability | Grafana Cloud Icon
Forever Free Full-Stack Observability | Grafana Cloud

Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
Create free account
Rate This Project
Login To Rate This Project

User Reviews

Be the first to post a review of PEG.js!

Additional Project Details

Programming Language

JavaScript

Related Categories

JavaScript Business Process Management Software, JavaScript Parser Generators

Registered

2022-02-02