app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var mongoose = require('mongoose');
const graphqlHTTP = require('express-graphql');
const typeDefs = require('./graphql/types');
const resolvers = require('./graphql/resolvers');
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var postsRouter = require('./routes/posts');

const { makeExecutableSchema } = require('@graphql-tools/schema');
const schema = makeExecutableSchema({
  typeDefs,
  resolvers,
});

var app = express();

app.locals.moment = require('moment');
app.locals.moment.locale('es');

mongoose.connect(
  'mongodb://localhost/app420',
  {
    useNewUrlParser: true,
    useUnifiedTopology: true
  })
  .then(db => console.log('Database connected! ;)'))
  .catch(err => console.log(err));

app.use('/graphql', graphqlHTTP({
  schema,
  graphiql: true,
}));

app.listen(4000, () => console.log('Express GraphQL Server Now Running On localhost:4000/graphql'));

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

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

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/posts', postsRouter);

// 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;