diff --git a/frontend/src/lib/file_builder.cljs b/frontend/src/lib/file_builder.cljs
index cf09d7ee2..2121fb807 100644
--- a/frontend/src/lib/file_builder.cljs
+++ b/frontend/src/lib/file_builder.cljs
@@ -58,193 +58,198 @@
     (json/->js params)
     params))
 
-(defn- create-file*
+(defn- create-file-api
   [file]
-  (let [state* (volatile! file)]
-    (obj/reify {:name "File"}
-      :id
-      {:get #(dm/str (:id @state*))}
+  (let [state* (volatile! file)
+        api    (obj/reify {:name "File"}
+                 :id
+                 {:get #(dm/str (:id @state*))}
 
-      :currentFrameId
-      {:get #(dm/str (::fb/current-frame-id @state*))}
+                 :currentFrameId
+                 {:get #(dm/str (::fb/current-frame-id @state*))}
 
-      :currentPageId
-      {:get #(dm/str (::fb/current-page-id @state*))}
+                 :currentPageId
+                 {:get #(dm/str (::fb/current-page-id @state*))}
 
-      :lastId
-      {:get #(dm/str (::fb/last-id @state*))}
+                 :lastId
+                 {:get #(dm/str (::fb/last-id @state*))}
 
-      :addPage
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (decode-params)
-                           (fb/decode-page))]
-            (vswap! state* fb/add-page params)
-            (dm/str (::fb/current-page-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addPage
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (decode-params)
+                                      (fb/decode-page))]
+                       (vswap! state* fb/add-page params)
+                       (dm/str (::fb/current-page-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :closePage
-      (fn []
-        (vswap! state* fb/close-page))
+                 :closePage
+                 (fn []
+                   (vswap! state* fb/close-page))
 
-      :addArtboard
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (assoc :type :frame)
-                           (fb/decode-shape))]
-            (vswap! state* fb/add-artboard params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addArtboard
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (assoc :type :frame)
+                                      (fb/decode-shape))]
+                       (vswap! state* fb/add-artboard params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :closeArtboard
-      (fn []
-        (vswap! state* fb/close-artboard))
+                 :closeArtboard
+                 (fn []
+                   (vswap! state* fb/close-artboard))
 
-      :addGroup
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (assoc :type :group)
-                           (fb/decode-shape))]
-            (vswap! state* fb/add-group params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addGroup
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (assoc :type :group)
+                                      (fb/decode-shape))]
+                       (vswap! state* fb/add-group params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :closeGroup
-      (fn []
-        (vswap! state* fb/close-group))
+                 :closeGroup
+                 (fn []
+                   (vswap! state* fb/close-group))
 
-      :addBool
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (fb/decode-add-bool))]
-            (vswap! state* fb/add-bool params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addBool
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (fb/decode-add-bool))]
+                       (vswap! state* fb/add-bool params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addRect
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (assoc :type :rect)
-                           (fb/decode-shape))]
-            (vswap! state* fb/add-shape params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addRect
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (assoc :type :rect)
+                                      (fb/decode-shape))]
+                       (vswap! state* fb/add-shape params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addCircle
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (assoc :type :circle)
-                           (fb/decode-shape))]
-            (vswap! state* fb/add-shape params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addCircle
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (assoc :type :circle)
+                                      (fb/decode-shape))]
+                       (vswap! state* fb/add-shape params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addPath
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (assoc :type :path)
-                           (fb/decode-shape))]
-            (vswap! state* fb/add-shape params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addPath
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (assoc :type :path)
+                                      (fb/decode-shape))]
+                       (vswap! state* fb/add-shape params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addText
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (assoc :type :text)
-                           (fb/decode-shape))]
-            (vswap! state* fb/add-shape params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addText
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (assoc :type :text)
+                                      (fb/decode-shape))]
+                       (vswap! state* fb/add-shape params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addLibraryColor
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (fb/decode-library-color)
-                           (d/without-nils))]
-            (vswap! state* fb/add-library-color params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addLibraryColor
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (fb/decode-library-color)
+                                      (d/without-nils))]
+                       (vswap! state* fb/add-library-color params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addLibraryTypography
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (fb/decode-library-typography)
-                           (d/without-nils))]
-            (vswap! state* fb/add-library-typography params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addLibraryTypography
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (fb/decode-library-typography)
+                                      (d/without-nils))]
+                       (vswap! state* fb/add-library-typography params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addComponent
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (fb/decode-component)
-                           (d/without-nils))]
-            (vswap! state* fb/add-component params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addComponent
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (fb/decode-component)
+                                      (d/without-nils))]
+                       (vswap! state* fb/add-component params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :addComponentInstance
-      (fn [params]
-        (try
-          (let [params (-> params
-                           (json/->clj)
-                           (fb/decode-add-component-instance)
-                           (d/without-nils))]
-            (vswap! state* fb/add-component-instance params)
-            (dm/str (::fb/last-id @state*)))
-          (catch :default cause
-            (handle-exception cause))))
+                 :addComponentInstance
+                 (fn [params]
+                   (try
+                     (let [params (-> params
+                                      (json/->clj)
+                                      (fb/decode-add-component-instance)
+                                      (d/without-nils))]
+                       (vswap! state* fb/add-component-instance params)
+                       (dm/str (::fb/last-id @state*)))
+                     (catch :default cause
+                       (handle-exception cause))))
 
-      :getShape
-      (fn [shape-id]
-        (let [shape-id (uuid/parse shape-id)]
-          (some-> (fb/lookup-shape @state* shape-id)
-                  (json/->js))))
+                 :getShape
+                 (fn [shape-id]
+                   (let [shape-id (uuid/parse shape-id)]
+                     (some-> (fb/lookup-shape @state* shape-id)
+                             (json/->js))))
 
-      :toMap
-      (fn []
-        (-> @state*
-            (d/without-qualified)
-            (json/->js))))))
+                 :toMap
+                 (fn []
+                   (-> @state*
+                       (d/without-qualified)
+                       (json/->js))))]
+
+    (specify! api
+      cljs.core/IDeref
+      (-deref [_]
+        (d/without-qualified @state*)))))
 
 (defn create-file
   [params]
   (try
     (let [params (-> params json/->clj fb/decode-file)
           file   (fb/create-file params)]
-      (create-file* file))
+      (create-file-api file))
     (catch :default cause
       (handle-exception cause))))