Close behavior on interacting with the editable input in IgxDateRangePicker (alignment with WC)

projects/igniteui-angular/src/lib/date-range-picker/date-range-picker.component.spec.ts

@@ -1276,6 +1276,26 @@ describe('IgxDateRangePicker', () => {
                     expect(dateRange.opening.emit).toHaveBeenCalledTimes(0);
                     expect(dateRange.opened.emit).toHaveBeenCalledTimes(0);
                 }));
+
+                it('should keep the calendar open when input is focused by click and while typing', fakeAsync(() => {
+                    fixture.componentInstance.dateRange.open();
+                    fixture.detectChanges();
+                    tick(DEBOUNCE_TIME);
+
+                    startInput.triggerEventHandler('focus', {});
+                    fixture.detectChanges();
+                    UIInteractions.simulateClickAndSelectEvent(startInput.nativeElement);
+                    fixture.detectChanges();
+                    tick(DEBOUNCE_TIME);
+
+                    expect(dateRange.collapsed).toBeFalsy();
+
+                    UIInteractions.simulateTyping('01/10/202', startInput);
+                    fixture.detectChanges();
+                    tick(DEBOUNCE_TIME);
+
+                    expect(dateRange.collapsed).toBeFalsy();
+                }));
             });
 
             it('should focus the last focused input after the calendar closes - dropdown', fakeAsync(() => {

projects/igniteui-angular/src/lib/date-range-picker/date-range-picker.component.ts

@@ -789,7 +789,11 @@ export class IgxDateRangePickerComponent extends PickerBaseDirective
             this.opened.emit({ owner: this });
         });
 
-        this._overlayService.closing.pipe(...this._overlaySubFilter).subscribe((e) => {
+        this._overlayService.closing.pipe(...this._overlaySubFilter).subscribe((e: OverlayCancelableEventArgs) => {
+            const isEscape = e.event && (e.event as KeyboardEvent).key === this.platform.KEYMAP.ESCAPE;
+            if (this.isProjectedInputTarget(e.event) && !isEscape) {
+                e.cancel = true;
+            }
             this.handleClosing(e as OverlayCancelableEventArgs);
         });
 
@@ -803,6 +807,16 @@ export class IgxDateRangePickerComponent extends PickerBaseDirective
         });
     }
 
+    private isProjectedInputTarget(event: Event): boolean {
+        if (!this.hasProjectedInputs || !event) {
+            return false;
+        }
+        const path = event.composed ? event.composedPath() : [event.target];
+        return this.projectedInputs.some(i =>
+            path.includes(i.dateTimeEditor.nativeElement)
+        );
+    }
+
     private updateValue(value: DateRange) {
         this._value = value ? value : null;
         this.updateInputs();