LeanYAM - Ultra-Lean YAML Parser

A minimal, dependency-free YAML parser for Node.js. Designed to handle common configuration files and data structures without the complexity and overhead of a full YAML 1.2 implementation.

Installation

npm install @ultra-lean-code/yam

Usage

import LeanYam from '@ultra-lean-code/yam';

const yaml = `
name: My App
version: 1.0
features: [fast, reliable]
config: {debug: true, port: 8080}
`;

const result = LeanYam.parse(yaml);
console.log(result);

What's Supported

• Scalars: null, true/false, numbers, strings
• Maps: {key: value} or indented block style
• Arrays: [item1, item2] or dash-aligned
• Comments with #
• Multi-line strings
• Deep nesting
• Mixed styles

What's Not Supported

• Anchors/aliases (&, *)
• Tags (!, !!)
• Document markers (---, ...)
• Single-quoted strings
• Block scalars (|, >)

Note: yes/no/on/off are treated as strings, not booleans. Use true/false instead.

Testing

node tests/test.js

License

MIT