From b30036a424e6fb8bbad5fe17f641b6abc39d155a Mon Sep 17 00:00:00 2001
From: cuixiping <cuixiping@gmail.com>
Date: Tue, 14 Jan 2020 10:57:24 +0800
Subject: [PATCH] Fix: Pressing 'Ctrl+A' causes js error when canvas is empty

---
 editor/svgcanvas.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/editor/svgcanvas.js b/editor/svgcanvas.js
index 77c860dd..04edf2a9 100644
--- a/editor/svgcanvas.js
+++ b/editor/svgcanvas.js
@@ -687,6 +687,9 @@ const addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {
       }
     }
   }
+  if (!selectedElements.length) {
+    return;
+  }
   call('selected', selectedElements);
 
   if (showGrips || selectedElements.length === 1) {