silence errors when missing background images

8 years ago · 86b73ea291
2 changed files with 4 additions and 4 deletions
--- a/src/js/slate.js
+++ b/src/js/slate.js
@ -264,8 +264,8 @@ renderTiles();
 var getBackgroundImages = function() {
    var backgrounds = document.getElementsByTagName("body");
    var images = [];
-    if (backgrounds.length > 0) {
-        var imgString = backgrounds[0].getAttribute("data-backgrounds");
+    var imgString = backgrounds[0].getAttribute("data-backgrounds");
+    if (imgString) {
        images = imgString.split(/[\s,]+/).filter(Boolean);
    }
    return images;
--- a/static/js/slate.js
+++ b/static/js/slate.js
@ -3465,8 +3465,8 @@ renderTiles();
 var getBackgroundImages = function() {
    var backgrounds = document.getElementsByTagName("body");
    var images = [];
-    if (backgrounds.length > 0) {
-        var imgString = backgrounds[0].getAttribute("data-backgrounds");
+    var imgString = backgrounds[0].getAttribute("data-backgrounds");
+    if (imgString) {
        images = imgString.split(/[\s,]+/).filter(Boolean);
    }
    return images;