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 fs = require('fs');

var indexRouter = require('./routes/index');
var featuresRouter = require('./routes/tech');
var testsRouter = require('./routes/tests');

var app = express();

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

app.use(function(req, res, next) {
	app.locals.canonical = 'https://a11ysupport.io'+req.originalUrl;
	return next();
});
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'build')));
app.use(express.static(path.join(__dirname, 'data')));

app.use('/', indexRouter);
app.use('/tech', featuresRouter);
app.use('/tests', testsRouter);

if (fs.existsSync(__dirname+'/ga.html')) {
	app.locals.ga = fs.readFileSync(__dirname+'/ga.html', 'utf8');
}

// 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;