From 7c08f0ec1feb594de19221c11fb93731cc518a57 Mon Sep 17 00:00:00 2001
From: Nick Aversano <nick23hi@gmail.com>
Date: Fri, 6 Oct 2017 11:58:12 -0400
Subject: [PATCH 1/2] memory leak fix, only reload css files

---
 hotModuleReplacement.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/hotModuleReplacement.js b/hotModuleReplacement.js
index cab2579..122a2eb 100644
--- a/hotModuleReplacement.js
+++ b/hotModuleReplacement.js
@@ -27,6 +27,8 @@ var getCurrentScriptUrl = function(moduleId) {
 }
 
 function updateCss(el, url) {
+  if (!el.href || !el.href.endsWith('css')) return;
+
   var newEl = el.cloneNode();
   if (!url) {
     url = el.href.split('?')[0];
@@ -34,6 +36,9 @@ function updateCss(el, url) {
   newEl.addEventListener('load', function () {
     el.remove();
   });
+  newEl.addEventListener('error', function () {
+    el.remove();
+  });
   newEl.href = url + '?' + Date.now();
   el.parentNode.insertBefore(newEl, el.nextSibling);
 }
@@ -41,8 +46,8 @@ function updateCss(el, url) {
 function reloadStyle(src) {
   var elements = document.querySelectorAll('link');
   var loaded = false;
-  for (var i = 0, el = null; el = elements[i]; i++) {
-    var url = getReloadUrl(el.href, src);
+  for (let i = 0, el = null; el = elements[i]; i++) {
+    let url = getReloadUrl(el.href, src);
     if (url) {
       updateCss(el, url);
       loaded = true;
@@ -64,7 +69,7 @@ function getReloadUrl(href, src) {
 
 function reloadAll() {
   var elements = document.querySelectorAll('link');
-  for (var i = 0, el = null; el = elements[i]; i++) {
+  for (let i = 0, el = null; el = elements[i]; i++) {
     updateCss(el);
   }
 }

From a0cef3fc4f77354f2d4c3182a27655794302bbc9 Mon Sep 17 00:00:00 2001
From: Nick Aversano <nick23hi@gmail.com>
Date: Fri, 6 Oct 2017 12:53:13 -0400
Subject: [PATCH 2/2] small bug fix

---
 hotModuleReplacement.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/hotModuleReplacement.js b/hotModuleReplacement.js
index 122a2eb..1aeb7ca 100644
--- a/hotModuleReplacement.js
+++ b/hotModuleReplacement.js
@@ -27,12 +27,13 @@ var getCurrentScriptUrl = function(moduleId) {
 }
 
 function updateCss(el, url) {
-  if (!el.href || !el.href.endsWith('css')) return;
-
-  var newEl = el.cloneNode();
   if (!url) {
     url = el.href.split('?')[0];
   }
+
+  if (!url || !url.endsWith('.css')) return;
+
+  var newEl = el.cloneNode();
   newEl.addEventListener('load', function () {
     el.remove();
   });