@radicle/gray-matter (npm): 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 
Keywords: assemble|coffee|coffee-script|data|docs|documentation|extract|extracting|front|front-matter|frontmatter|generate|generator|gh-pages|gray|javascript|jekyll|js|JSON|markdown|matter|parse|parser|parsing|site|static|template|toml|yaml|yfm|config|front-matter-parsers|gatsby|jonschlinkert|mapbox|metalsmith|netlify|node|nodejs|phenomic