From 16b5ccd2eaed64ddf6da170b4398e79ef1ac3120 Mon Sep 17 00:00:00 2001
From: Alex Zauzolkov <50130486+Zauzolkov@users.noreply.github.com>
Date: Thu, 16 Jun 2022 02:06:41 +1000
Subject: [PATCH] fix: Check for empty array in
 thrasos.RenderInfo.addElemSpacing_ (#6211)

* fix: Check for undefined value in InputRow.measure

* Revert "fix: Check for undefined value in InputRow.measure"

This reverts commit f2e57c06ad3209273c99595e7300cbed02120f7e.

* fix: thrasos: don't push elements if array is empty

- Use same array length check as geras renderer does
---
 core/renderers/thrasos/info.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/renderers/thrasos/info.js b/core/renderers/thrasos/info.js
index 1c8075a27..d2e6170fa 100644
--- a/core/renderers/thrasos/info.js
+++ b/core/renderers/thrasos/info.js
@@ -82,6 +82,9 @@ class RenderInfo extends BaseRenderInfo {
         row.elements.push(new InRowSpacer(
             this.constants_, this.getInRowSpacing_(null, oldElems[0])));
       }
+      if (!oldElems.length) {
+        continue;
+      }
       for (let e = 0; e < oldElems.length - 1; e++) {
         row.elements.push(oldElems[e]);
         const spacing = this.getInRowSpacing_(oldElems[e], oldElems[e + 1]);