I\'m using WebStorm 7 for Firefox Add-on SDK development.
WebStorm shows a warning: \"Unresolved function or method\" for require().
require()
I want to g
For WebStorm 2019.3 File > Preferences or Settings > Languages & Frameworks > Node.js and NPM -> Enable Coding assitance for NodeJs
Note that the additional packages that you want to use are included.