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backend/node_modules/date-fns/eachMonthOfInterval/index.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = eachMonthOfInterval;
+var _index = _interopRequireDefault(require("../toDate/index.js"));
+var _index2 = _interopRequireDefault(require("../_lib/requiredArgs/index.js"));
+/**
+ * @name eachMonthOfInterval
+ * @category Interval Helpers
+ * @summary Return the array of months within the specified time interval.
+ *
+ * @description
+ * Return the array of months within the specified time interval.
+ *
+ * @param {Interval} interval - the interval. See [Interval]{@link https://date-fns.org/docs/Interval}
+ * @returns {Date[]} the array with starts of months from the month of the interval start to the month of the interval end
+ * @throws {TypeError} 1 argument required
+ * @throws {RangeError} The start of an interval cannot be after its end
+ * @throws {RangeError} Date in interval cannot be `Invalid Date`
+ *
+ * @example
+ * // Each month between 6 February 2014 and 10 August 2014:
+ * const result = eachMonthOfInterval({
+ *   start: new Date(2014, 1, 6),
+ *   end: new Date(2014, 7, 10)
+ * })
+ * //=> [
+ * //   Sat Feb 01 2014 00:00:00,
+ * //   Sat Mar 01 2014 00:00:00,
+ * //   Tue Apr 01 2014 00:00:00,
+ * //   Thu May 01 2014 00:00:00,
+ * //   Sun Jun 01 2014 00:00:00,
+ * //   Tue Jul 01 2014 00:00:00,
+ * //   Fri Aug 01 2014 00:00:00
+ * // ]
+ */
+function eachMonthOfInterval(dirtyInterval) {
+  (0, _index2.default)(1, arguments);
+  var interval = dirtyInterval || {};
+  var startDate = (0, _index.default)(interval.start);
+  var endDate = (0, _index.default)(interval.end);
+  var endTime = endDate.getTime();
+  var dates = [];
+
+  // Throw an exception if start date is after end date or if any date is `Invalid Date`
+  if (!(startDate.getTime() <= endTime)) {
+    throw new RangeError('Invalid interval');
+  }
+  var currentDate = startDate;
+  currentDate.setHours(0, 0, 0, 0);
+  currentDate.setDate(1);
+  while (currentDate.getTime() <= endTime) {
+    dates.push((0, _index.default)(currentDate));
+    currentDate.setMonth(currentDate.getMonth() + 1);
+  }
+  return dates;
+}
+module.exports = exports.default;