node.js - import with require that works fine on windows but not on ubuntu -


here file tree : 

> appointment/     >     db/ >         db.js >     appointment.js

and in appointment.js made : 

require( './../appointment/db/db' ); //init database

it works on windows on ubuntu 16.04 have error cannot find module './../appointment/db/db'

if have idea.

regards , thanks

as said alexander ./db/db solution work fine on ubuntu & windows/


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