fix https://github.com/uBlockOrigin/uBlock-issues/issues/248

src/js/3p-filters.js

@@ -1,7 +1,7 @@
 /*******************************************************************************
 
     uBlock Origin - a browser extension to block requests.
-    Copyright (C) 2014-2018 Raymond Hill
+    Copyright (C) 2014-present Raymond Hill
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -326,7 +326,9 @@ var renderWidgets = function() {
 /******************************************************************************/
 
 var updateAssetStatus = function(details) {
-    var li = document.querySelector('#lists .listEntry[data-listkey="' + details.key + '"]');
+    let li = document.querySelector(
+        '#lists .listEntry[data-listkey="' + details.key + '"]'
+    );
     if ( li === null ) { return; }
     li.classList.toggle('failed', !!details.failed);
     li.classList.toggle('obsolete', !details.cached);

src/js/assets.js

@@ -515,14 +515,6 @@ var assetCacheWrite = function(assetKey, details, callback) {
         return assetCacheRemove(assetKey, callback);
     }
 
-    let reportBack = function() {
-        let details = { assetKey: assetKey, content: content };
-        if ( typeof callback === 'function' ) {
-            callback(details);
-        }
-        fireNotification('after-asset-updated', details);
-    };
-
     let onReady = function() {
         let entry = assetCacheRegistry[assetKey];
         if ( entry === undefined ) {
@@ -534,7 +526,12 @@ var assetCacheWrite = function(assetKey, details, callback) {
         }
         let bin = { assetCacheRegistry: assetCacheRegistry };
         bin[internalKey] = content;
-        µBlock.cacheStorage.set(bin, reportBack);
+        µBlock.cacheStorage.set(bin);
+        let result = { assetKey: assetKey, content: content };
+        if ( typeof callback === 'function' ) {
+            callback(result);
+        }
+        fireNotification('after-asset-updated', result);
     };
     getAssetCacheRegistry(onReady);
 };

src/js/storage.js

@@ -1284,7 +1284,6 @@
             what: 'assetUpdated',
             key: details.assetKey,
             cached: cached
-            
         });
         // https://github.com/gorhill/uBlock/issues/2585
         // Whenever an asset is overwritten, the current selfie is quite