updateCheck.js

const json_package = require('./package.json');
const colors = require('colors');
const fetch = require('node-fetch');

module.exports = function () {
    fetch('http://api.github.com/repos/clarkx86/papyrusjs/releases')
        .then((response) => {
            return response.json();
        })
        .then((json) => {

            var remoteVersion = json[0]['tag_name'].slice(1, json[0]['tag_name'].search('-')).replace('.', '').replace('.', '');
            remoteStage = json[0]['tag_name'].slice(json[0]['tag_name'].search('-') + 1),
                localStage = json_package.version_stage;

            switch (remoteStage) {
                case 'alpha':
                    remoteStage = 0;
                    break;

                case 'beta':
                    remoteStage = 1;
                    break;

                case 'release':
                    remoteStage = 2;
                    break;
            };

            switch (localStage) {
                case 'alpha':
                    localStage = 0;
                    break;

                case 'beta':
                    localStage = 1;
                    break;

                case 'release':
                    localStage = 2;
                    break;
            };

            if ((remoteStage > localStage) || (remoteVersion > (json_package.version.replace('.', '').replace('.', '')))) {
                console.log('\n' + colors.inverse(colors.green('New update available!')) + '\nRelease ' + json[0]['tag_name'] + ' is available. You have v' + json_package.version + '-' + json_package.version_stage + '. Get it here: https://github.com/clarkx86/papyrusjs/releases' + '\n');
            };
        })
        .catch((err) => {
            console.log('Could not check for updates...');
        });
};