From fad332b80d0fe910fa99e13e1e291ffa4b65188e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Wiedemann?= <jerome@wnetworks.org>
Date: Wed, 26 Jul 2023 09:49:14 +0000
Subject: [PATCH] fix(templates): `variables` was `undefined` if none where
 provided.

Fix #718
---
 src/button-card.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/button-card.ts b/src/button-card.ts
index f231776..aa4e9f8 100644
--- a/src/button-card.ts
+++ b/src/button-card.ts
@@ -171,7 +171,7 @@ class ButtonCard extends LitElement {
     try {
       this._evaledVariables = this._config!.variables
         ? this._objectEvalTemplate(this._stateObj, this._config!.variables)
-        : undefined;
+        : {};
       return this._cardHtml();
     } catch (e: any) {
       if (e.stack) console.error(e.stack);