Data passing

express.js

// controller.js
module.exports = {
    extractDims: (inputUrl) => {
       //this gets the nums form the URL 
      return stuff
    },
    resize: (path, format, width, height) => {
       //this does some image processing
      return stuff
    },
    showImage: (req,res) => {
      //call both above funcs
      let dims = extractDims(req.url
      let src =  `${__dirname}/image.jpeg}`
                            
      resize(src,'jpg', , x)
      .pipe(res)
      
      return stuff
    }
}
//  browser route
//   localhost:3000/100x100
    
    
// route.js
//     I want to get the req.path from the url into route to use in the function, but how since req is called in the controller.js and I need it in the route.js  
const imageController = require('./controller.js')
router.get('need-path-here' imageController.showImage)