Small script that serves static files in hubot

serve-static.js

// index.html up at localhost:8080/status
//
// requirements: mime (npm install mime --save)

const path = require('path');
const fs = require('fs');
var mime = require('mime');

const serveFile = filePath => (req, res) => {
  const fullPath = path.join(__dirname, filePath);
  fs.readFile(fullPath, {encoding: 'utf-8'}, function(err, data){
    if (!err) {
      res.writeHead(200, {'Content-Type': mime.lookup(fullPath)});
      res.write(data);
      res.end();
    } else {
      console.log(err);
    }
  });
};

function hubotFunctions(robot) {
  robot.router.get('/status', serveFile('../public/index.html'));
}

module.exports = hubotFunctions;