go integration and wikipedia

frontend/node_modules/date-fns/getQuarter.js

@@ -0,0 +1,28 @@
+"use strict";
+exports.getQuarter = getQuarter;
+var _index = require("./toDate.js");
+
+/**
+ * @name getQuarter
+ * @category Quarter Helpers
+ * @summary Get the year quarter of the given date.
+ *
+ * @description
+ * Get the year quarter of the given date.
+ *
+ * @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 given date
+ *
+ * @returns The quarter
+ *
+ * @example
+ * // Which quarter is 2 July 2014?
+ * const result = getQuarter(new Date(2014, 6, 2))
+ * //=> 3
+ */
+function getQuarter(date) {
+  const _date = (0, _index.toDate)(date);
+  const quarter = Math.trunc(_date.getMonth() / 3) + 1;
+  return quarter;
+}