grammar-graph

Takes a context-free grammar and converts it into a decision-making graph. Can produce interactive Guides which generate valid sentences from the grammar.

v3.1.1 URL: https://unpkg.com/grammar-graph@3.1.1/lib/grammar-graph.js

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graph state machine automaton non-deterministic finite state machine grammar graph generator language generator digraph directed graph decision-making graph decision graph decision tree grammar context-free grammar nondeterministic nfa formal language

peggy

Parser generator for JavaScript

v5.0.6 URL: https://unpkg.com/peggy@5.0.6/browser/peggy.min.js

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grammar parser generator PEG PEG.js

railroad-diagrams

A small JS+SVG library for drawing railroad syntax diagrams.

v1.0.0 URL: https://unpkg.com/railroad-diagrams@1.0.0/railroad-diagrams.js

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railroad syntax diagrams grammar svg

nearley

Simple, fast, powerful parser toolkit for JavaScript.

v2.20.1 URL: https://unpkg.com/nearley@2.20.1/lib/nearley.js

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parser parse generator compiler compile grammar language

chevrotain

Chevrotain is a high performance fault tolerant javascript parsing DSL for building recursive decent parsers

v11.0.3 URL: https://unpkg.com/chevrotain@11.0.3

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parser syntax lexical analysis grammar lexer tokenizer generator compiler fault tolerant