orchidmap-front/backend/app.js

/*
  https://habr.com/company/ruvds/blog/321104/
 */
const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const lessMiddleware = require('less-middleware');
const logger = require('morgan');
const bodyParser = require('body-parser');

const routeRouter = require('./routes/route');
const authRouter = require('./routes/auth');
const db = require('./config/db');

const app = express();

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

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(lessMiddleware(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'public')));
app.use((req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Methods', 'GET, PUT, POST, DELETE, PATCH');
  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
  next();
});

app.use(bodyParser.json());
app.use(express.json());

// app.use('/', indexRouter);
// app.use('/users', usersRouter);
app.use('/auth', authRouter);
app.use('/route', routeRouter);
// catch 404 and forward to error handler
app.use((req, res, next) => {
  next(createError(404));
});

// error handler
app.use((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;