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node_modules/date-fns/eachHourOfInterval.js

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+"use strict";
+exports.eachHourOfInterval = eachHourOfInterval;
+var _index = require("./addHours.js");
+var _index2 = require("./toDate.js");
+
+/**
+ * The {@link eachHourOfInterval} function options.
+ */
+
+/**
+ * @name eachHourOfInterval
+ * @category Interval Helpers
+ * @summary Return the array of hours within the specified time interval.
+ *
+ * @description
+ * Return the array of hours within the specified time interval.
+ *
+ * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
+ *
+ * @param interval - The interval.
+ * @param options - An object with options.
+ *
+ * @returns The array with starts of hours from the hour of the interval start to the hour of the interval end
+ *
+ * @example
+ * // Each hour between 6 October 2014, 12:00 and 6 October 2014, 15:00
+ * const result = eachHourOfInterval({
+ *   start: new Date(2014, 9, 6, 12),
+ *   end: new Date(2014, 9, 6, 15)
+ * })
+ * //=> [
+ * //   Mon Oct 06 2014 12:00:00,
+ * //   Mon Oct 06 2014 13:00:00,
+ * //   Mon Oct 06 2014 14:00:00,
+ * //   Mon Oct 06 2014 15:00:00
+ * // ]
+ */
+function eachHourOfInterval(interval, options) {
+  const startDate = (0, _index2.toDate)(interval.start);
+  const endDate = (0, _index2.toDate)(interval.end);
+
+  let reversed = +startDate > +endDate;
+  const endTime = reversed ? +startDate : +endDate;
+  let currentDate = reversed ? endDate : startDate;
+  currentDate.setMinutes(0, 0, 0);
+
+  let step = options?.step ?? 1;
+  if (!step) return [];
+  if (step < 0) {
+    step = -step;
+    reversed = !reversed;
+  }
+
+  const dates = [];
+
+  while (+currentDate <= endTime) {
+    dates.push((0, _index2.toDate)(currentDate));
+    currentDate = (0, _index.addHours)(currentDate, step);
+  }
+
+  return reversed ? dates.reverse() : dates;
+}