index.js

'use strict';

const express = require('express');
const path = require('path');
const logger = require('morgan');
const compression = require('compression');
const bodyParser = require('body-parser');
const dotenv = require('dotenv');
const exphbs = require('express-handlebars');
const _ = require('lodash');
const q = require('q');
const GitHubApi = require('github');

// Load environment variables from .env file
dotenv.load();

// Controllers
const IndexController = require('./controllers/index');

const app = express();

const hbs = exphbs.create({
    defaultLayout: 'main',
    helpers: {
        ifeq(a, b, options) {
            if (a === b) {
                return options.fn(this);
            }
            return options.inverse(this);
        },
        toJSON(object) {
            return JSON.stringify(object);
        },
        exists(variable, options) {
            if (typeof variable !== 'undefined') {
                return options.fn(this);
            }
        },
        timeago: require('helper-timeago')
    },
    extname: 'hbs'
});

const github = new GitHubApi({
	version: '3.0.0',
	debug: false,
	protocol: 'https',
	host: 'api.github.com',
	timeout: 5000,
	headers: {
		'user-agent': 'Hacktoberfest Checker'
	}
});

if (process.env.GITHUB_TOKEN) {
    github.authenticate({
        type: 'oauth',
        token: process.env.GITHUB_TOKEN
    });
} else {
    console.log('No GITHUB_TOKEN specified, do so to increase rate limit');
}

app.engine('hbs', hbs.engine);
app.set('view engine', 'hbs');
app.set('port', process.env.PORT || 5000);
app.set('q', q);
app.set('_', _);
app.set('github', github);

app.use(compression());
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, 'public')));

app.get('/', IndexController.index);

// Production error handler
if (app.get('env') === 'production') {
    app.use((err, req, res) => {
        console.error(err.stack);
        res.sendStatus(err.status || 500);
    });
}

app.listen(app.get('port'), () => {
    console.log(`Express server listening on port ${app.get('port')}`);
});

module.exports = app;