install gulp

user/themes/anissabensalah/node_modules/es5-ext/date/is-time-value.js

@@ -0,0 +1,12 @@
+"use strict";
+
+module.exports = function (value) {
+	try {
+		value = Number(value);
+	} catch (e) {
+		return false;
+	}
+	if (isNaN(value)) return false;
+	if (Math.abs(value) > 8.64e16) return false;
+	return true;
+};