JS YAML

js-yaml Plugin

JavaScript YAML parser and dumper. Parse YAML files to JSON and dump JSON to YAML with CLI support.

Commands

YAML Parsing

• js-yaml parse yaml — Parse YAML file

Utility

• js-yaml _ _ — Passthrough to js-yaml CLI

Usage Examples

• "Parse this YAML file"
• "Convert YAML to JSON"
• "Validate YAML syntax"
• "Read configuration file"

Installation

npm install -g js-yaml

Examples

# Parse YAML file
js-yaml parse yaml config.yaml

# Parse from stdin
cat config.yaml | js-yaml

# Compact error mode
js-yaml parse yaml config.yaml -c

# Show stack trace on error
js-yaml parse yaml config.yaml -t

# Any js-yaml command with passthrough
js-yaml _ _ config.yaml
js-yaml _ _ -c -t config.yaml

Key Features

• YAML 1.2 - Full specification support
• Fast - High performance
• CLI tool - Command-line interface
• Library - Use in Node.js code
• Error reporting - Clear error messages
• Stack traces - Debugging support
• Compact mode - Concise errors
• Cross-platform - Works everywhere

Supported YAML Features

• Scalars, sequences, mappings
• Tags and types
• Anchors and aliases
• Multi-document files
• Custom schemas
• Binary data
• Timestamps

Notes

• Use -c for compact error messages
• Use -t for stack traces
• Great for config file parsing
• Can validate YAML syntax
• Used in many Node.js projects