+ common, date utils

utils/common.js

@@ -0,0 +1,20 @@
+module.exports = {
+    range: range
+};
+
+/**
+ * Generates list of numbers
+ * @param  {Number} start starting value
+ * @param  {Number} num   amount of numbers in list
+ * @param  {Number} step  difference value
+ * @return {Array}        list of numbers
+ */
+function range(start, num, step) {
+    var list = [];
+    var val = start;
+    for (var i = 0; i < num; i++) {
+        list.push(val);
+        val += step;
+    }
+    return list;
+}

utils/date.js

@@ -0,0 +1,21 @@
+var range = require('./common').range;
+
+module.exports = {
+    getDates: getDates
+};
+
+/**
+ *
+ * @param start
+ * @returns {*}
+ */
+function getDates(start) {
+    var day = start.getDay();
+    return range(0, 6, 1).reduce(function (dates, weekDay) {
+        var d = 1 + weekDay - day;
+        var time = start.getTime() + (1000 * 60 * 60 * 24) * d;
+        var date = new Date(time);
+        dates.push(date.getDate());
+        return dates;
+    }, []);
+}