♻️ Refactor thumbnails

frontend/src/app/util/dom.cljs

@@ -326,6 +326,11 @@
     (.removeChild ^js el child))
   el)
 
+(defn remove!
+  [^js el]
+  (when (some? el)
+    (.remove ^js el)))
+
 (defn get-first-child
   [^js el]
   (when (some? el)

frontend/src/app/util/imposters.cljs

@@ -0,0 +1,15 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) KALEIDOS INC
+
+(ns app.util.imposters)
+
+;; This is needed to avoid a circular dependency between
+;; app.main.ui.workspace.shapes.frame and app.util.imposters
+(defonce render-fn (atom nil))
+
+(defn init!
+  [fn]
+  (reset! render-fn fn))