Source: node-defined Section: javascript Priority: optional Maintainer: Debian Javascript Maintainers Uploaders: Ross Gammon Build-Depends: debhelper-compat (= 13) , dh-sequence-nodejs , node-tape Standards-Version: 4.6.1 Vcs-Browser: https://salsa.debian.org/js-team/node-defined Vcs-Git: https://salsa.debian.org/js-team/node-defined.git Homepage: https://github.com/inspect-js/defined Testsuite: autopkgtest-pkg-nodejs Rules-Requires-Root: no Package: node-defined Architecture: all Depends: nodejs:any , ${misc:Depends} Provides: ${nodejs:Provides} Description: return the first argument that is `!== undefined` Most of the time when you chain together ||s, you actually just want the first item that is not undefined, not the first non-falsy item. . This module is like the defined-or (//) operator in perl 5.10+. . Node.js is an event-based server-side JavaScript engine.