Merge pull request #7146 from electron/resolve-empty-url-values

Tweak how empty URLs are resolved

lib/renderer/override.js

@@ -139,7 +139,11 @@ window.open = function (url, frameName, features) {
   }
 
   // Resolve relative urls.
-  url = resolveURL(url)
+  if (url == null || url === '') {
+    url = 'about:blank'
+  } else {
+    url = resolveURL(url)
+  }
   for (j = 0, len1 = ints.length; j < len1; j++) {
     name = ints[j]
     if (options[name] != null) {

lib/renderer/web-view/web-view-attributes.js

@@ -9,6 +9,7 @@ const remote = require('electron').remote
 var a = document.createElement('a')
 
 var resolveURL = function (url) {
+  if (url === '') return ''
   a.href = url
   return a.href
 }