From 1ebbcd2f30895e4e0ec54a49c2e49905ab52f626 Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Mon, 25 Mar 2013 17:22:51 +0100
Subject: [PATCH] Don't leak event listeners in pluginfw/installer.js

fixes #921
---
 src/static/js/pluginfw/installer.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/static/js/pluginfw/installer.js b/src/static/js/pluginfw/installer.js
index 949fdae82..1ef34733f 100644
--- a/src/static/js/pluginfw/installer.js
+++ b/src/static/js/pluginfw/installer.js
@@ -2,9 +2,12 @@ var plugins = require("ep_etherpad-lite/static/js/pluginfw/plugins");
 var hooks = require("ep_etherpad-lite/static/js/pluginfw/hooks");
 var npm = require("npm");
 
-var withNpm = function (npmfn, cb) {
+var npmIsLoaded = false;
+var withNpm = function (npmfn) {
+  if(npmIsLoaded) return npmfn();
   npm.load({}, function (er) {
     if (er) return cb(er);
+    npmIsLoaded = true;
     npm.on("log", function (message) {
       console.log('npm: ',message)
     });