go integration and wikipedia

frontend/node_modules/date-fns/isSameDay.js

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+"use strict";
+exports.isSameDay = isSameDay;
+var _index = require("./startOfDay.js");
+
+/**
+ * @name isSameDay
+ * @category Day Helpers
+ * @summary Are the given dates in the same day (and year and month)?
+ *
+ * @description
+ * Are the given dates in the same day (and year and month)?
+ *
+ * @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 dateLeft - The first date to check
+ * @param dateRight - The second date to check
+
+ * @returns The dates are in the same day (and year and month)
+ *
+ * @example
+ * // Are 4 September 06:00:00 and 4 September 18:00:00 in the same day?
+ * const result = isSameDay(new Date(2014, 8, 4, 6, 0), new Date(2014, 8, 4, 18, 0))
+ * //=> true
+ *
+ * @example
+ * // Are 4 September and 4 October in the same day?
+ * const result = isSameDay(new Date(2014, 8, 4), new Date(2014, 9, 4))
+ * //=> false
+ *
+ * @example
+ * // Are 4 September, 2014 and 4 September, 2015 in the same day?
+ * const result = isSameDay(new Date(2014, 8, 4), new Date(2015, 8, 4))
+ * //=> false
+ */
+function isSameDay(dateLeft, dateRight) {
+  const dateLeftStartOfDay = (0, _index.startOfDay)(dateLeft);
+  const dateRightStartOfDay = (0, _index.startOfDay)(dateRight);
+
+  return +dateLeftStartOfDay === +dateRightStartOfDay;
+}