From 90532b760a97a4685d76b59b5938d339d5016ad3 Mon Sep 17 00:00:00 2001
From: "alonso.torres" <alonso.torres@kaleidos.net>
Date: Thu, 23 Jun 2022 13:24:03 +0200
Subject: [PATCH] :zap: Improved performance when rendering paths

---
 .../src/app/main/ui/workspace/shapes/path.cljs   | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/frontend/src/app/main/ui/workspace/shapes/path.cljs b/frontend/src/app/main/ui/workspace/shapes/path.cljs
index dee228b39..58e1ead3d 100644
--- a/frontend/src/app/main/ui/workspace/shapes/path.cljs
+++ b/frontend/src/app/main/ui/workspace/shapes/path.cljs
@@ -14,6 +14,12 @@
    [app.main.ui.workspace.shapes.path.common :as pc]
    [rumext.alpha :as mf]))
 
+(defn apply-content-modifiers
+  [shape content-modifiers]
+  (let [shape (update shape :content upc/apply-content-modifiers content-modifiers)
+        [_ new-selrect] (helpers/content->points+selrect shape (:content shape))]
+    (assoc shape :selrect new-selrect)))
+
 (mf/defc path-wrapper
   {::mf/wrap-props false}
   [props]
@@ -22,11 +28,13 @@
         content-modifiers (mf/deref content-modifiers-ref)
         editing-id (mf/deref refs/selected-edition)
         editing? (= editing-id (:id shape))
-        shape (update shape :content upc/apply-content-modifiers content-modifiers)
 
-        [_ new-selrect]
-        (helpers/content->points+selrect shape (:content shape))
-        shape (assoc shape :selrect new-selrect)]
+        shape
+        (mf/use-memo
+         (mf/deps shape content-modifiers)
+         #(cond-> shape
+            (some? content-modifiers)
+            (apply-content-modifiers content-modifiers)))]
 
     [:> shape-container {:shape shape
                          :pointer-events (when editing? "none")}