FIN INIT

node_modules/date-fns/eachDayOfInterval.js

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+import { normalizeInterval } from "./_lib/normalizeInterval.js";
+import { constructFrom } from "./constructFrom.js";
+
+/**
+ * The {@link eachDayOfInterval} function options.
+ */
+
+/**
+ * The {@link eachDayOfInterval} function result type. It resolves the proper data type.
+ * It uses the first argument date object type, starting from the date argument,
+ * then the start interval date, and finally the end interval date. If
+ * a context function is passed, it uses the context function return type.
+ */
+
+/**
+ * @name eachDayOfInterval
+ * @category Interval Helpers
+ * @summary Return the array of dates within the specified time interval.
+ *
+ * @description
+ * Return the array of dates within the specified time interval.
+ *
+ * @typeParam IntervalType - Interval type.
+ * @typeParam Options - Options type.
+ *
+ * @param interval - The interval.
+ * @param options - An object with options.
+ *
+ * @returns The array with starts of days from the day of the interval start to the day of the interval end
+ *
+ * @example
+ * // Each day between 6 October 2014 and 10 October 2014:
+ * const result = eachDayOfInterval({
+ *   start: new Date(2014, 9, 6),
+ *   end: new Date(2014, 9, 10)
+ * })
+ * //=> [
+ * //   Mon Oct 06 2014 00:00:00,
+ * //   Tue Oct 07 2014 00:00:00,
+ * //   Wed Oct 08 2014 00:00:00,
+ * //   Thu Oct 09 2014 00:00:00,
+ * //   Fri Oct 10 2014 00:00:00
+ * // ]
+ */
+export function eachDayOfInterval(interval, options) {
+  const { start, end } = normalizeInterval(options?.in, interval);
+
+  let reversed = +start > +end;
+  const endTime = reversed ? +start : +end;
+  const date = reversed ? end : start;
+  date.setHours(0, 0, 0, 0);
+
+  let step = options?.step ?? 1;
+  if (!step) return [];
+  if (step < 0) {
+    step = -step;
+    reversed = !reversed;
+  }
+
+  const dates = [];
+
+  while (+date <= endTime) {
+    dates.push(constructFrom(start, date));
+    date.setDate(date.getDate() + step);
+    date.setHours(0, 0, 0, 0);
+  }
+
+  return reversed ? dates.reverse() : dates;
+}
+
+// Fallback for modularized imports:
+export default eachDayOfInterval;