Popularity

6.2

Growing

Activity

7.2

Stars 2,392

Watchers 31

Forks 196

Last Commit 3 days ago

Programming language: TypeScript

License: Apache License 2.0

Tags: Parsing

Latest version: v7.0.3

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* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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README

npm

Chevrotain

Introduction

Chevrotain is a blazing fast and feature rich Parser Building Toolkit for JavaScript. It can be used to build parsers/compilers/interpreters for various use cases ranging from simple configuration files, to full-fledged programing languages.

A more in depth description of Chevrotain can be found in this great article on: Parsing in JavaScript: Tools and Libraries.

It is important to note that Chevrotain is NOT a parser generator. It solves the same kind of problems as a parser generator, just without any code generation. Chevrotain Grammars are pure code which can be created/debugged/edited as any other pure code without requiring any new tools or processes.

TLDR

Installation

npm: npm install chevrotain
Browser: The npm package contains Chevrotain as concatenated and minified files ready for use in a browser. These can also be accessed directly via UNPKG in a script tag.
- Latest:
- https://unpkg.com/chevrotain/lib/chevrotain.js
- https://unpkg.com/chevrotain/lib/chevrotain.min.js
- https://unpkg.com/chevrotain/lib_esm/chevrotain.mjs
- https://unpkg.com/chevrotain/lib_esm/chevrotain.min.mjs
- Explicit version number:
- https://unpkg.com/[email protected]/lib/chevrotain.js
- https://unpkg.com/[email protected]/lib/chevrotain.min.js
- https://unpkg.com/[email protected]/lib_esm/chevrotain.mjs
- https://unpkg.com/[email protected]/lib_esm/chevrotain.min.mjs

Documentation & Resources

Getting Started Tutorial.
Sample Grammars.
FAQ.
Other Examples.
HTML API docs.
- The Parsing DSL Docs.

Compatibility

Chevrotain will run on any modern JavaScript ES2015 runtime. That includes nodejs maintenance/active/current version, modern major browsers, but not legacy ES5.1 runtimes such as IE11.

Uses UMD to work with common module loaders (browser global / amd / commonjs).

Contributions

Contributions are greatly appreciated. See [CONTRIBUTING.md](./CONTRIBUTING.md) for details.

Where used

A small curated list:

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Langium

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