app.js

var express     = require('express');
var createError = require('http-errors');
var logger      = require('morgan');
var cors        = require('cors');

var foodsRouter         = require('./routes/api/v1/foods');
var mealsRouter         = require('./routes/api/v1/meals');
var favoriteFoodsRouter = require('./routes/api/v1/favoriteFoods');

var app = express();

app.use(cors());
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));

app.use('/api/v1/foods', foodsRouter);
app.use('/api/v1/meals', mealsRouter);
app.use('/api/v1/favorite_foods', favoriteFoodsRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;