yaml-validate-cli

Validate YAML files from the command line with detailed error reporting. Zero dependencies.

Install

npm install -g yaml-validate-cli
# or use directly
npx yaml-validate-cli config.yaml

Usage

# Validate a single YAML file
yaml-validate-cli config.yaml

# Validate multiple files
yaml-validate-cli *.yaml

# Validate all YAML files recursively
yaml-validate-cli --glob '**/*.yml'

# Validate and output parsed JSON
yaml-validate-cli config.yaml --json

# Strict mode: fail on duplicate keys or extra whitespace
yaml-validate-cli config.yaml --strict

Features

• Clear syntax error messages with line and column numbers
• Supports .yaml and .yml extensions
• Glob pattern support for batch validation
• Outputs parsed JSON for pipeline integration
• CI-friendly exit codes (non-zero on any error)
• Zero external dependencies