Parse front-matter from a string or file. Fast, reliable and easy to use. Parses YAML front matter by default, but also has support for YAML, JSON, TOML or Coffee Front-Matter, with options to set custom delimiters. Used by metalsmith, assemble, verb and

YAML 1.2 parser and serializer

yaml front matter for JS. Parse yaml or JSON from the beginning of files.

Merges JavaScript objects recursively without altering the objects merged.

Ignore a module in rollup.js

More than 100 powerful ESLint rules

A logger for just about everything.

JavaScript/TypeScript linter (ESLint wrapper) with great defaults