node-source-map 0.1.40-1 (amd64 binary) in ubuntu wily

 Mozilla implementation of source map generator and consumer, for source
 maps written in the Asynchronous Module Definition format.
 .
 Source maps provide a language-agnostic way to compile back production
 code to the original source code.
 .
 Node.js is an event-based server-side JavaScript engine.