"Upgradable" runs in a background child process and checks for updates in your CLI package. If there's a new version available - at end of interaction, when user sends interrupt signal (ctrl+c), it will prompt your users to upgrade your node CLI tool.
Use
const upgradable = ;const name version = ; ;
Shorthand
;
options
message
(Optional)
;
![image](https://user-images.githubusercontent.com/516342/36252458-59387a00-124d-11e8-86f5-31d6eaf94f3d.png)