make rot.js check placeholders

static/js/rot.js

@@ -136,7 +136,7 @@
                           .querySelector(".text")
                           .innerHTML
                           .replace(/(<([^>]+)>)/ig, '')
-                          .search(/profile theming post/ig) == -1)
+                          .search(/profile them/ig) == -1)
                 return false;
 
             const ptp = pinnedPost.nextElementSibling.querySelector(".StatusBody");
@@ -148,8 +148,14 @@
                 setMusic(rand(musicContainer.children).src);
                 return true;
             } else {
-                setMusic(null);
+                const placeholderContainer = ptp.querySelector(".placeholder-container");
-                return false;
+                if (placeholderContainer && placeholderContainer.href.endsWith(".m4a")) {
+                    setMusic(placeholderContainer.href);
+                    return true;
+                } else {
+                    setMusic(null);
+                    return false;
+                }
             }
         });