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app.js
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app.js
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import createError from 'http-errors';
import express from 'express';
import path from 'path';
import hbs from 'express-handlebars';
import {fileURLToPath} from 'url';
import {indexRouter} from './routes/index.js';
import {detailsRouter} from './routes/details.js';
import {downloadRouter} from './routes/download.js';
import {newRouter} from './routes/new.js';
import {aboutRouter} from './routes/about.js';
import {createNewRouter} from './routes/api/create-new.js';
import {getSavedAsCss} from './utils/tesselations/get-saved-as-css.js'
import http from 'http';
// Stub out Node features not available when using ES Modules
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
var app = express();
app.engine( 'hbs', hbs( {
extname: 'hbs',
defaultLayout: 'main',
layoutsDir: __dirname + '/views/layouts/',
partialsDir: __dirname + '/views/partials/'
} ) );
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');
// Set global template vars
app.locals.logoCss = getSavedAsCss('logo')
app.use(express.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', indexRouter);
app.use('/details/', detailsRouter);
app.use('/about/', aboutRouter);
app.use('/new/', newRouter);
app.use('/download/', downloadRouter);
app.use('/api/create-new', createNewRouter);
app.use('/api/fetch-more', createNewRouter);
// 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('pages/error');
});
/**
* Get port from environment and store in Express.
*/
var port = normalizePort(process.env.PORT || '3000');
app.set('port', port);
/**
* Create HTTP server.
*/
var server = http.createServer(app);
/**
* Listen on provided port, on all network interfaces.
*/
server.listen(port);
server.on('error', onError);
server.on('listening', onListening);
/**
* Normalize a port into a number, string, or false.
*/
function normalizePort(val) {
var port = parseInt(val, 10);
if (isNaN(port)) {
// named pipe
return val;
}
if (port >= 0) {
// port number
return port;
}
return false;
}
/**
* Event listener for HTTP server "error" event.
*/
function onError(error) {
if (error.syscall !== 'listen') {
throw error;
}
var bind = typeof port === 'string'
? 'Pipe ' + port
: 'Port ' + port;
// handle specific listen errors with friendly messages
switch (error.code) {
case 'EACCES':
console.error(bind + ' requires elevated privileges');
process.exit(1);
break;
case 'EADDRINUSE':
console.error(bind + ' is already in use');
process.exit(1);
break;
default:
throw error;
}
}
/**
* Event listener for HTTP server "listening" event.
*/
function onListening() {
var addr = server.address();
console.log(`Listening at http://localhost:${addr.port}`);
}