node-sprintf-js 1.0.3-1 (amd64 binary) in ubuntu zesty

 node-sprintf-js is a javascript implementation of C sprintf (3).
 This function composes a string with the same text that would be printed if
 format was used on printf, but instead of being printed, the content is
 stored as a string in the buffer pointed by a str argument.
 .
 Node.js is an event-based server-side JavaScript engine.