Own module, skal ligge i sin egen mappe. aka. (own_module). Den hentes via require.

omregner.js

function wattToKwatt(watts){
    kilowatts = watts/1000; 
    return kilowatts
}   

exports.calcsWatt = wattToKwatt;

package.json

{
    "name": "omregner",
    "version": "1.0.0",
    "description": "Et modul, som der omregner",
    "main": "omregner.js",
    "scripts": {
      "test": "echo \"Error: no test specified\" && exit 1"
    },
    "repository": {
      "type": "git",
      "url": "git+https://github.com/andracs/cvrapi-i-nodejs-eksempel.git"
    },
    "author": "Mads Nielsen, en datamatikerstuderende i Næstved",
    "license": "ISC",
    "bugs": {
      "url": "https://github.com/andracs/cvrapi-i-nodejs-eksempel/issues"
    },
    "homepage": "https://github.com/andracs/cvrapi-i-nodejs-eksempel#readme"
  }