Added a regression unit test for the miss of passing onClose from...

Added a regression unit test for the miss of passing onClose from SingleDatePicker to DayPickerSingleDateController as well as examples of using onClose with SingleDatePicker and DateRangePicker.

examples/DateRangePickerWrapper.jsx

@@ -66,6 +66,7 @@ const defaultProps = {
   navNext: null,
   onPrevMonthClick() {},
   onNextMonthClick() {},
+  onClose() {},
 
   // day presentation and interaction related props
   renderDay: null,

examples/SingleDatePickerWrapper.jsx

@@ -57,6 +57,7 @@ const defaultProps = {
   navNext: null,
   onPrevMonthClick() {},
   onNextMonthClick() {},
+  onClose() {},
 
   // day presentation and interaction related props
   renderDay: null,

stories/DateRangePicker_calendar.js

@@ -165,4 +165,10 @@ storiesOf('DRP - Calendar Props', module)
       firstDayOfWeek={3}
       autoFocus
     />
+  ))
+  .addWithInfo('with onClose handler', () => (
+    <DateRangePickerWrapper
+      onClose={({ startDate, endDate }) => alert(`onClose: startDate = ${startDate}, endDate = ${endDate}`)}
+      autoFocus
+    />
   ));

stories/SingleDatePicker_calendar.js

@@ -146,5 +146,11 @@ storiesOf('SDP - Calendar Props', module)
       firstDayOfWeek={3}
       autoFocus
     />
+  ))
+  .addWithInfo('with onClose handler', () => (
+    <SingleDatePickerWrapper
+      onClose={({ date }) => alert(`onClose: date = ${date}`)}
+      autoFocus
+    />
   ));
 

test/components/SingleDatePicker_spec.jsx

@@ -60,6 +60,22 @@ describe('SingleDatePicker', () => {
           expect(wrapper.find(DayPickerSingleDateController)).to.have.lengthOf(0);
         });
       });
+
+      describe('props.onClose is defined', () => {
+        it('should pass props.onClose in to <DayPickerSingleDateController>', () => {
+          const onCloseStub = sinon.stub();
+          const wrapper = shallow((
+            <SingleDatePicker
+              id="date"
+              onDateChange={() => {}}
+              onFocusChange={() => {}}
+              focused
+              onClose={onCloseStub}
+            />
+          )).dive();
+          expect(wrapper.find(DayPickerSingleDateController).prop('onClose')).to.equal(onCloseStub);
+        });
+      });
     });
 
     describe('props.withPortal is truthy', () => {