Fix primefaces#4456: Calendar showMinMaxRange NPE

melloware · May 27, 2023 · 0f1e798 · 0f1e798
1 parent 281b300
commit 0f1e798
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/components/lib/calendar/Calendar.js b/components/lib/calendar/Calendar.js
@@ -950,7 +950,7 @@ export const Calendar = React.memo(
         };
 
         const setNavigationState = (newViewDate) => {
-            if (!props.showMinMaxRange || props.view !== 'date' || !overlayRef.current) {
+            if (!newViewDate || !props.showMinMaxRange || props.view !== 'date' || !overlayRef.current) {
                 return;
             }
 
@@ -972,7 +972,7 @@ export const Calendar = React.memo(
                     firstDayOfMonth.setMonth(11, 1);
                     firstDayOfMonth.setFullYear(firstDayOfMonth.getFullYear() - 1);
                 } else {
-                    firstDayOfMonth.setMonth(firstDayOfMonth.getMonth() - 1, 1);
+                    firstDayOfMonth.setMonth(firstDayOfMonth.getMonth(), 1);
                 }
 
                 firstDayOfMonth.setHours(0);
@@ -986,7 +986,6 @@ export const Calendar = React.memo(
                 }
             }
 
-            // next (check last day of month at 11:59:59)
             if (props.maxDate) {
                 let lastDayOfMonth = cloneDate(newViewDate);