Error: Cannot find module 'underscore'

[jessehattabaugh]

The package.json doesn't list any dependencies, but there are dependencies.

[ziggy42]

I've submitted a PR about this: #6

[chumager]

It's so abusive force to use a huge module just to check if a string is undefined or empty...

[clonalejandro]

npm i underscore && npm i @types/underscore