parse argument options
elegant & feature rich browser / node HTTP with a fluent API
Node.js body parsing middleware
the complete solution for node.js command-line programs
Recursively mkdir, like `mkdir -p`
Full featured Promises/A+ implementation with exceptionally good performance
Tiny millisecond conversion utility
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.