From fb90c4a99581168d910f011982a719f4d4175193 Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Tue, 19 Jan 2021 00:17:53 +0100
Subject: [PATCH] Allow to remove single symbol

---
 src/dom_components/model/Component.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/dom_components/model/Component.js b/src/dom_components/model/Component.js
index 6134ee15a..40cc04ae7 100644
--- a/src/dom_components/model/Component.js
+++ b/src/dom_components/model/Component.js
@@ -598,7 +598,11 @@ const Component = Backbone.Model.extend(Styleable).extend(
 
     __isSymbolTop() {
       const parent = this.parent();
-      return this.__isSymbol() && parent && !parent.__isSymbol();
+      return (
+        parent &&
+        ((this.__isSymbol() && !parent.__isSymbol()) ||
+          (this.__getSymbol() && !parent.__getSymbol()))
+      );
     },
 
     __getSymbol() {
@@ -734,14 +738,14 @@ const Component = Backbone.Model.extend(Styleable).extend(
             m.toHTML(),
             o,
             'isSymb',
-            this.__isSymbol(),
+            m.__isSymbol(),
             'symbToUp',
             m.__getSymbToUp(toUpOpts),
             { toUpOpts }
           );
-        m.__getSymbToUp(toUpOpts).forEach(symb =>
-          symb.remove({ fromInstance: m, ...o })
-        );
+        const symbToUp = m.__getSymbToUp(toUpOpts);
+        !m.__isSymbolTop() &&
+          symbToUp.forEach(symb => symb.remove({ fromInstance: m, ...o }));
       }
     },