Hot fix for 12th month of the year

.gitignore

@@ -6,4 +6,6 @@
 .idea
 npm-debug.log
 node_modules
-test-app/*
+test-app/*
+package-lock.json
+yarn.lock

dist/__test__/index.test.js

@@ -0,0 +1,36 @@
+"use strict";
+
+(function (global, factory) {
+  if (typeof define === "function" && define.amd) {
+    define(['../index'], factory);
+  } else if (typeof exports !== "undefined") {
+    factory(require('../index'));
+  } else {
+    var mod = {
+      exports: {}
+    };
+    factory(global.index);
+    global.undefined = mod.exports;
+  }
+})(void 0, function (_require) {
+  "use strict";
+
+  var daysInMonth = _require.daysInMonth;
+  describe('daysInMonth', function () {
+    test('1st month should return 31', function () {
+      expect(daysInMonth('1', '1402')).toBe(31);
+    });
+    test('6th month should return 31', function () {
+      expect(daysInMonth('6', '1402')).toBe(31);
+    });
+    test('7th month should return 30', function () {
+      expect(daysInMonth('7', '1402')).toBe(30);
+    });
+    test('12th month should return 29 in non-leap year', function () {
+      expect(daysInMonth('12', '1402')).toBe(29);
+    });
+    test('12th month should return 30 in leap year', function () {
+      expect(daysInMonth('12', '1403')).toBe(30);
+    });
+  });
+});

dist/index.js

@@ -18,6 +18,7 @@
   Object.defineProperty(exports, "__esModule", {
     value: true
   });
+  exports.daysInMonth = undefined;
   var _react2 = _interopRequireDefault(_react);
   var _momentJalaali2 = _interopRequireDefault(_momentJalaali);
   var _Days2 = _interopRequireDefault(_Days);
@@ -82,8 +83,11 @@
   }
   var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);
   _momentJalaali2["default"].loadPersian([]);
-  var daysInMonth = function daysInMonth(month, year) {
-    if (month > 0 && month < 7) return 31;else if (month > 6 && month < 12) return 30;else if (month === 12 && _momentJalaali2["default"].jIsLeapYear(year)) return 30;else if (month === 12 && !_momentJalaali2["default"].jIsLeapYear(year)) return 29;
+  var daysInMonth = exports.daysInMonth = function daysInMonth(month, year) {
+    if (month > 0 && month < 7) return 31;
+    if (month > 6 && month < 12) return 30;
+    if (month == 12 && _momentJalaali2["default"].jIsLeapYear(year)) return 30;
+    if (month == 12 && !_momentJalaali2["default"].jIsLeapYear(year)) return 29;
   };
   function JDatePicker(props) {
     var id = props.id,