npm and error messages

node_modules/es5-ext/test/string/format-method.js

@@ -0,0 +1,14 @@
+"use strict";
+
+module.exports = function (t, a) {
+	t = t({
+		a: "A",
+		aa: "B",
+		ab: "C",
+		b: "D",
+		c: function () {
+			return ++this.a;
+		}
+	});
+	a(t.call({ a: 0 }, " %a%aab%abb%b\\%aa%ab%c%c "), " ABbCbD%aaC12 ");
+};