gray-matter
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
ts-command-line-args
A Typescript wrapper around command-line-args with additional support for markdown usage guide generation
yaro
Fast, minimalist, pluggable and functional command line parsing. Create CLIs easily. A wrapper package exporting everything from several Yaro packages.