From 5a7082aa9bf9cf704d085a1deb069ab7ae1015ad Mon Sep 17 00:00:00 2001
From: Kevin Chappell <kevin.b.chappell@gmail.com>
Date: Sun, 4 Jun 2017 04:02:26 +0100
Subject: [PATCH 1/2] Add rangeConstraint prop

---
 Calendar.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Calendar.js b/Calendar.js
index 8eff679..6c52087 100644
--- a/Calendar.js
+++ b/Calendar.js
@@ -23,6 +23,7 @@ export default class Calendar extends Component {
   static propTypes = {
     i18n: PropTypes.string,
     format: PropTypes.string,
+    rangeConstraint: PropTypes.string,
     customI18n: PropTypes.object,
     color: PropTypes.object,
     minDate: PropTypes.oneOfType([PropTypes.string, PropTypes.instanceOf(Date)]),
@@ -31,6 +32,7 @@ export default class Calendar extends Component {
   static defaultProps = {
     format: 'YYYY-MM-DD',
     i18n: 'en',
+    rangeConstraint: 'none',
     customI18n: {},
     color: {}
   }
@@ -153,7 +155,18 @@ export default class Calendar extends Component {
       startDate,
       endDate
     } = this.state;
-    if ((!startDate && !endDate) || day < startDate || (startDate && endDate)) {
+    if (this.props.rangeConstraint === 'week') {
+      let startDay = Moment(day).startOf('week')
+      let endDay = Moment(day).endOf('week')
+      this.setState({
+        startDate: startDay,
+        endDate: endDay,
+        startDateText: this._i18n(startDay, 'date'),
+        startWeekdayText: this._i18n(startDay.isoWeekday(), 'weekday'),
+        endDateText: this._i18n(endDay, 'date'),
+        endWeekdayText: this._i18n(endDay.isoWeekday(), 'weekday')
+      });
+    } else if ((!startDate && !endDate) || day < startDate || (startDate && endDate)) {
       this.setState({
         startDate: day,
         endDate: null,

From c916749bc5334cb0336bf07607ccfbd1ca2ab77f Mon Sep 17 00:00:00 2001
From: Kevin Chappell <kevin.b.chappell@gmail.com>
Date: Sun, 4 Jun 2017 11:40:09 +0100
Subject: [PATCH 2/2] Add test

---
 __tests__/Calendar.test.js | 20 ++++++++++++++++++++
 package.json               |  1 +
 2 files changed, 21 insertions(+)

diff --git a/__tests__/Calendar.test.js b/__tests__/Calendar.test.js
index 0abc63f..5b05809 100644
--- a/__tests__/Calendar.test.js
+++ b/__tests__/Calendar.test.js
@@ -58,6 +58,26 @@ let invalidDateCalC = shallow(
   />
 );
 
+let rangeConstraintWeekCal = shallow(
+  <Calendar
+    format="YYYYMMDD"
+    rangeConstraint="week"
+  />
+);
+
+test('It constrains selection to full weeks', done => {
+  let instance = rangeConstraintWeekCal.instance();
+  expect(rangeConstraintWeekCal.state('isModalVisible')).toEqual(false);
+  instance.componentDidMount();
+  instance.open();
+  instance._onChoose(Moment('20170607', 'YYYYMMDD'));
+  expect(rangeConstraintWeekCal.state('startDate').isSame(Moment('20170604', 'YYYYMMDD'))).toEqual(true);
+  expect(rangeConstraintWeekCal.state('startWeekdayText')).toEqual('Sunday');
+  expect(rangeConstraintWeekCal.state('endWeekdayText')).toEqual('Saturday');
+  expect(rangeConstraintWeekCal.state('endDate').isSame(Moment('20170610', 'YYYYMMDD').endOf('week'))).toEqual(true);
+  done();
+});
+
 test('It renders calendar correctly', done => {
   let instance = cal.instance();
   expect(cal.state('isModalVisible')).toEqual(false);
diff --git a/package.json b/package.json
index b1c77f1..70afdc4 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
 		"ios": "react-native run-ios",
 		"android": "react-native run-android",
 		"test": "jest",
+		"test:watch": "jest --watch",
 		"coverage": "cat ./coverage/lcov.info | coveralls",
 		"changelog": "conventional-changelog -p angular -i CHANGELOG.md -s"
 	},