Binary package “node-sprintf-js” in ubuntu hirsute

Node.js Pure JavaScript sprintf implementation

 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.