primefaces#6203 fix: switching to year view when modelValue is popula…

…ted (primefaces#6204)

* primefaces#6203 fix: switching to year view when modelValue is populated

* - remove debug

packages/primevue/src/datepicker/DatePicker.spec.js

@@ -54,4 +54,26 @@ describe('DatePicker.vue', () => {
 
         expect(wrapper.vm.viewDate).toEqual(dateTwo);
     });
+
+    it('should open a year view when there is selected date (fix: #6203)', async () => {
+        const dateOne = new Date();
+
+        dateOne.setFullYear(1988, 9, 10);
+
+        await wrapper.setProps({ modelValue: dateOne });
+
+        const input = wrapper.find('.p-datepicker-input');
+
+        await input.trigger('focus');
+
+        const yearSelectButton = wrapper.find('.p-datepicker .p-datepicker-select-year');
+
+        expect(yearSelectButton.exists()).toBe(true);
+        expect(yearSelectButton.text()).toBe('1988');
+
+        await yearSelectButton.trigger('click');
+
+        expect(wrapper.find('.p-datepicker-decade').exists()).toBe(true);
+        expect(wrapper.find('.p-datepicker-decade').text()).toBe('1980 - 1989');
+    });
 });

packages/primevue/src/datepicker/DatePicker.vue

@@ -750,7 +750,7 @@ export default {
 
                 return start === year || end === year || (start < year && end > year);
             } else {
-                return value.getFullYear() === year;
+                return this.modelValue.getFullYear() === year;
             }
         },
         isDateEquals(value, dateMeta) {