node-sprintf-js - 1.1.2+ds1+~1.1.2-1 main

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.