@j6k4m8/catl-parser

Latest supported CATL version: v0.1

A small TypeScript parser for CATL (Chord and Tab Language): a compact text format for guitar chords and tab events.

This package provides:

• a lexer + parser
• an AST
• diagnostics with spans (line/col)

Install

npm i @j6k4m8/catl-parser

Usage

import { parseCATL } from "@j6k4m8/catl-parser";

const src = `
# chords
"Gmin7":3x332x:"Nice chord!" | X554X5
|: X554X5 | X554X5 :|

# events
{eBGDAE}
0A:"When" 0D 5e:"you" 7B 3e+0D:"fall in love"
0@5 0@4 5@1 7@2 3@1+0@4
`;

const ast = parseCATL(src);

console.log(ast.diagnostics);
console.log(ast.lines);