ping-bot.js

...

/**
* Processes a users message and gives relevant output
*/
const processRequest = (message, output)  => {
	if(helloWords.indexOf(message.toLowerCase()) != -1) {
		return output(greeting);
	}

	if(message.toLowerCase() === helpWord) {
		return output(instructions);
	}	

	ping.sys.probe(sanitizeLink(message), (result, error) => {
		if(error) {
			console.log('error'. error);
		}
		else {
			output(formatPingResult(result));
		}
	});
}

module.exports = processRequest;