Implementation.

Author: ljharb

index.js

@@ -0,0 +1,12 @@
+'use strict';
+
+var getDay = Date.prototype.getDay;
+
+module.exports = function isDateObject(value) {
+	try {
+		getDay.call(value);
+		return true;
+	} catch (e) {
+		return false;
+	}
+};