parse argument options
https://github.com/substack/minimist
Mold a source map that is almost perfect for you into one that is.
https://github.com/thlorenz/mold-source-map
Virtual Environments for Node
A Test-Anything-Protocol library
https://github.com/isaacs/node-tap
browser-side require() the node way
https://github.com/substack/node-browserify
A tiny wrapper around Node streams2 Transform to avoid explicit subclassing noise