server/app.js

   1 var createError = require('http-errors');
   2 var express = require('express');
   3 var path = require('path');
   4 var cookieParser = require('cookie-parser');
   5 var logger = require('morgan');
   6 var favicon = require('serve-favicon');
   7 var params = require('./config/parameters');
   8
   9 var app = express();
  10
  11 app.use(favicon(path.join(__dirname, "static", "favicon.ico")));
  12
  13 if (app.get('env') === 'development')
  14 {
  15     // Full logging in development mode
  16     app.use(logger('dev'));
  17 }
  18 else
  19 {
  20     // http://dev.rdybarra.com/2016/06/23/Production-Logging-With-Morgan-In-Express/
  21     app.set('trust proxy', true);
  22     // In prod, only log error responses (https://github.com/expressjs/morgan)
  23     app.use(logger('combined', {
  24         skip: function (req, res) { return res.statusCode < 400 }
  25     }));
  26 }
  27
  28 app.use(express.json());
  29 app.use(express.urlencoded({ extended: false }));
  30 app.use(cookieParser());
  31 app.use(express.static(path.join(__dirname, 'static'))); //client "prod" files
  32
  33 // In development stage the client side has its own server
  34 if (params.cors.enable)
  35 {
  36     app.use(function(req, res, next) {
  37         res.header("Access-Control-Allow-Origin", params.cors.allowedOrigin);
  38         res.header("Access-Control-Allow-Headers",
  39       "Origin, X-Requested-With, Content-Type, Accept");
  40       res.header("Access-Control-Allow-Methods", "GET, POST, OPTIONS, PUT, DELETE");
  41     next();
  42     });
  43 }
  44
  45 // Routing (AJAX-only)
  46 const routes = require(path.join(__dirname, "routes", "all"));
  47 app.use('/', routes);
  48
  49 // catch 404 and forward to error handler
  50 app.use(function(req, res, next) {
  51   next(createError(404));
  52 });
  53
  54 // error handler
  55 app.use(function(err, req, res, next) {
  56   // set locals, only providing error in development
  57   res.locals.message = err.message;
  58   res.locals.error = (req.app.get('env') === 'development' ? err : {});
  59   // render the error page
  60   res.status(err.status || 500);
  61   res.send(`
  62         <!doctype html>
  63         <h1>= message</h1>
  64         <h2>= error.status</h2>
  65         <pre>#{error.stack}</pre>
  66     `);
  67 });
  68
  69 module.exports = app;