npm and error messages

node_modules/es5-ext/test/to-short-string-representation.js

@@ -0,0 +1,16 @@
+"use strict";
+
+var repeat = require("../string/#/repeat");
+
+module.exports = function (t, a) {
+	a(t(), "undefined");
+	a(t(null), "null");
+	a(t(10), "10");
+	a(t("str"), "str");
+	a(t({ toString: function () { return "miszka"; } }), "miszka");
+	// eslint-disable-next-line symbol-description
+	if (typeof Symbol === "function") a(t(Symbol()), "Symbol()");
+	a(t(Object.create(null)), "<Non-coercible to string value>");
+	a(t(repeat.call("a", 300)), repeat.call("a", 99) + "…");
+	a(t("mar\ntoo\nfar"), "mar\\ntoo\\nfar");
+};