From 9386696f4b5377e5a1ffb563a21d99e36e6f6f9e Mon Sep 17 00:00:00 2001
From: rubyowo <perhaps-you-know@what-is.ml>
Date: Mon, 9 Jan 2023 17:02:41 +0400
Subject: [PATCH] fix: crash when the arr argument for concatArr isn't
 specified

fix: formatting

Co-authored-by: Almeida <almeidx@pm.me>
---
 backend/src/templateFormatter.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backend/src/templateFormatter.ts b/backend/src/templateFormatter.ts
index 0dcb7bde..af30fd4e 100644
--- a/backend/src/templateFormatter.ts
+++ b/backend/src/templateFormatter.ts
@@ -346,6 +346,7 @@ const baseValues = {
     return [...args].join("");
   },
   concatArr(arr, separator = "") {
+    if (!Array.isArray(arr)) return "";
     return arr.join(separator);
   },
   eq(...args) {