Merge pull request #185 from sveltejs/gh-165

use window.location.hostname in dev client

Author: Rich-Harris

sapper-dev-client.js

@@ -11,7 +11,7 @@ function check() {
 export function connect(port) {
 	if (source || !window.EventSource) return;
 
-	source = new EventSource(`http://localhost:${port}/__sapper__`);
+	source = new EventSource(`http://${window.location.hostname}:${port}/__sapper__`);
 
 	window.source = source;