From f8840672a7bcb3f337d8e50098f374a1b2d441ce Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Wed, 8 Jun 2022 01:17:24 -0400
Subject: added ability to make thumbnails of dashboards. started to cleanup
 dockingView/goldenlayout undo event handling.  cleaned up tab doc list in
 docking view.  made titles editable again in treeview.  fixed overlay view to
 work with image docs etc by setting top/left in css

---
 src/client/views/nodes/WebBoxRenderer.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/client/views/nodes/WebBoxRenderer.js')

diff --git a/src/client/views/nodes/WebBoxRenderer.js b/src/client/views/nodes/WebBoxRenderer.js
index d9524dd6e..f3f1bcf5c 100644
--- a/src/client/views/nodes/WebBoxRenderer.js
+++ b/src/client/views/nodes/WebBoxRenderer.js
@@ -214,8 +214,8 @@ var ForeignHtmlRenderer = function (styleSheets) {
                 .replace(/noscript/g, "div").replace(/<div class="mediaset"><\/div>/g, "")  // when scripting isn't available (ie, rendering web pages here), <noscript> tags should become <div>'s.  But for Brown CS, there's a layout problem if you leave the empty <mediaset> tag
                 .replace(/<link[^>]*>/g, "")  // don't need to keep any linked style sheets because we've already processed all style sheets above
                 .replace(/srcset="([^ "]*)[^"]*"/g, "src=\"$1\""); // instead of converting each item in the srcset to a data url, just convert the first one and use that
-            let urlsFoundInHtml = getImageUrlsFromFromHtml(contentHtml);
-            const fetchedResources = await getMultipleResourcesAsBase64(webUrl, urlsFoundInHtml);
+            let urlsFoundInHtml = getImageUrlsFromFromHtml(contentHtml).filter(url => !url.startsWith("data:"));
+            const fetchedResources = webUrl ? await getMultipleResourcesAsBase64(webUrl, urlsFoundInHtml) : [];
             for (let i = 0; i < fetchedResources.length; i++) {
                 const r = fetchedResources[i];
                 if (r.resourceUrl) {
-- 
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