could not find module guard in storefront_controller

Question

I get this error upon running newly created JHelloWorld.js:

Cannot find module 'storefront_controllers/cartridge/scripts/guard'

I created this controller under training cartridge and following controller guide .

Answer 1

replace storefront_controllers with Training_controllers

var guard = require('Training_controllers/cartridge/scripts/guard');

Answer 2

resolved by putting locale address to require('c/users/.....) guard.js script