added whole system from ola4doc

2017-12-14 17:06:06 +01:00
parent 9646c74be1
commit 0611418f7a
8725 changed files with 817688 additions and 2 deletions
@@ -0,0 +1,17 @@
+'use strict';
+
+var getMonth = Date.prototype.getMonth;
+
+module.exports = function () {
+	switch (getMonth.call(this)) {
+	case 1:
+		return this.getFullYear() % 4 ? 28 : 29;
+	case 3:
+	case 5:
+	case 8:
+	case 10:
+		return 30;
+	default:
+		return 31;
+	}
+};