From 109c10ff74eafe5430f05ddaedab0d8dbe260bb7 Mon Sep 17 00:00:00 2001
From: Hero <hherobiam@gmail.com>
Date: Mon, 10 Jul 2023 17:58:06 +0200
Subject: [PATCH] The addDaysToDate function should not modify the original
 date. (#96)

* addDaysToDate

* removed the commented code

* removed date format and return null when new date is not a function

* Code improvements

---------

Co-authored-by: Hero <heriobiam.heita@ucglobalprograms.org>
Co-authored-by: Samuel Male <samuelsmalek@gmail.com>
---
 src/utils/common-expression-helpers.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/utils/common-expression-helpers.ts b/src/utils/common-expression-helpers.ts
index 1eca0842..78169f0b 100644
--- a/src/utils/common-expression-helpers.ts
+++ b/src/utils/common-expression-helpers.ts
@@ -78,10 +78,10 @@ export class CommonExpressionHelpers {
     return date;
   };
 
-  addDaysToDate = (date, days) => {
-    date.setDate(date.getDate() + days);
-
-    return date;
+  addDaysToDate = (date: Date, days: number): Date => {
+    return dayjs(date)
+      .add(days, 'day')
+      .toDate();
   };
 
   useFieldValue = (questionId: string) => {