From d77397287755ab3d8bef65e394f3733f48bcd1b5 Mon Sep 17 00:00:00 2001
From: Andrey Savin <andrey@contractmill.com>
Date: Fri, 30 Jul 2021 11:58:55 +0300
Subject: [PATCH] Test coverage issue fix

---
 src/file/numbering/numbering.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/file/numbering/numbering.ts b/src/file/numbering/numbering.ts
index fd2bf0754a..599fc1c8a8 100644
--- a/src/file/numbering/numbering.ts
+++ b/src/file/numbering/numbering.ts
@@ -215,8 +215,8 @@ export class Numbering extends XmlComponent {
         };
 
         const referenceConfigLevels = this.referenceConfigMap.get(reference);
-        const firstLevelStartNumber = referenceConfigLevels?.[0]?.start;
-        if (firstLevelStartNumber) {
+        const firstLevelStartNumber = referenceConfigLevels && referenceConfigLevels[0].start;
+        if (firstLevelStartNumber && Number.isInteger(firstLevelStartNumber)) {
             concreteNumberingSettings.overrideLevel = {
                 num: 0,
                 start: firstLevelStartNumber,