leaflet.freedraw/example/server/default.js

Zoopla inspired freehand polygon creation using Leaflet.js.

import http from 'http';
import express from 'express';
import compression from 'compression';
import opener from 'opener';

const app = express();
app.use(compression());

const server = http.createServer(app);
const isHeroku = 'HEROKU_APP_NAME' in process.env;

app.use(express.static(__dirname + '/example'));

const port = process.env.PORT || 5000;
server.listen(port);
!isHeroku && opener(`http://localhost:${port}`);