From 8cbc1f5635dd7f5a8bf0ec6602f77dfa87ae5fc5 Mon Sep 17 00:00:00 2001
From: jojohoch <joachim.hoch@iqb.hu-berlin.de>
Date: Tue, 22 Feb 2022 09:50:22 +0100
Subject: [PATCH] Fix `handleClozeElements` on sanitize the unit definition
Since the array of 'ClozeElements' can be empty, it must be checked
---
projects/common/util/unit-definition-sanitizer.ts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/projects/common/util/unit-definition-sanitizer.ts b/projects/common/util/unit-definition-sanitizer.ts
index 19f9e0a36..d3f4baea2 100644
--- a/projects/common/util/unit-definition-sanitizer.ts
+++ b/projects/common/util/unit-definition-sanitizer.ts
@@ -94,7 +94,7 @@ export class UnitDefinitionSanitizer {
*/
private static handleClozeElements(elementList: UIElement[]): void {
const clozeElements = elementList.filter(element => element.type === 'cloze');
- if (clozeElements[0].text) {
+ if (clozeElements.length && clozeElements[0].text) {
clozeElements.forEach((element: Record<string, any>) => {
const replacedText = element.text.replace(/\\i|\\z|\\r/g, (match: string) => {
switch (match) {
--
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