go integration and wikipedia

frontend/node_modules/date-fns/previousFriday.js

@@ -0,0 +1,26 @@
+"use strict";
+exports.previousFriday = previousFriday;
+var _index = require("./previousDay.js");
+
+/**
+ * @name previousFriday
+ * @category Weekday Helpers
+ * @summary When is the previous Friday?
+ *
+ * @description
+ * When is the previous Friday?
+ *
+ * @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 date - The date to start counting from
+ *
+ * @returns The previous Friday
+ *
+ * @example
+ * // When is the previous Friday before Jun, 19, 2021?
+ * const result = previousFriday(new Date(2021, 5, 19))
+ * //=> Fri June 18 2021 00:00:00
+ */
+function previousFriday(date) {
+  return (0, _index.previousDay)(date, 5);
+}