⚡ manage interval of date with date objects

src/app/pages/dates/dates.component.ts

@@ -46,7 +46,8 @@ export class DatesComponent extends BaseComponent implements OnInit {
         this.config.dateList.push({
             literal: '',
             date_object: new Date(),
-            timeList: []});
+            timeList: []
+        });
         let selector = '[ng-reflect-name="dateChoices_' + (this.config.dateList.length - 1) + '"]';
         this.cd.detectChanges();
         const elem = this.document.querySelector(selector);
@@ -59,7 +60,13 @@ export class DatesComponent extends BaseComponent implements OnInit {
      * change time spans
      */
     addTime() {
-        this.config.timeList.push({literal: '', timeList: []});
+        this.config.timeList.push(
+            {
+                literal: '',
+                timeList: [],
+                date_object: new Date()
+            }
+        );
     }
 
     removeAllTimes() {
@@ -103,6 +110,7 @@ export class DatesComponent extends BaseComponent implements OnInit {
     emptyAll() {
         this.config.dateList.forEach(element => {
             element.literal = '';
+            element.date_object = new Date();
             element.timeList = ['', '', ''];
         });
         this.config.timeList.forEach(element => {
@@ -110,6 +118,7 @@ export class DatesComponent extends BaseComponent implements OnInit {
         });
     }
 
+
     /**
      * add all the dates between the start and end dates in the interval section
      */
@@ -118,7 +127,11 @@ export class DatesComponent extends BaseComponent implements OnInit {
 
         const converted = [];
         newIntervalArray.forEach(element => {
-            converted.push({literal: element, timeList: []});
+            converted.push({
+                literal: element.literal,
+                date_object: element.date_object,
+                timeList: []
+            });
         });
         this.config.dateList = [...new Set(converted)]; // add only dates that are not already present with a Set of unique items
         this.showDateInterval = false;
@@ -142,10 +155,13 @@ export class DatesComponent extends BaseComponent implements OnInit {
         d2 = new Date(d2);
         const dates = [];
         while (+d1 < +d2) {
-            dates.push(this.formateDate(d1));
+            dates.push({
+                literal: this.formateDate(d1),
+                date_object: d1
+            });
             d1.setDate(d1.getDate() + interval)
         }
-        return dates.slice(0)
+        return dates.slice(0);
     }
 
     /**