From d3145213aa2824112bc24decf123fc9b5ad3602b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20Ka=CC=88fer?= <github@kkaefer.com>
Date: Wed, 14 Sep 2011 21:13:16 +0200
Subject: [PATCH] prevent maxlisteners error

we only attach with .once() and always .emit(). Debugging as shown that
there are no "memory leaks" with listeners being added infinitely.
---
 lib/mbtiles.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/mbtiles.js b/lib/mbtiles.js
index 037cba6..8dfdcc9 100644
--- a/lib/mbtiles.js
+++ b/lib/mbtiles.js
@@ -53,6 +53,7 @@ function MBTiles(uri, callback) {
 
     var key = url.format(uri);
     if (!cache[key]) {
+        this.setMaxListeners(0);
         cache[key] = this;
         this._open(uri);
     }