npm and error messages

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

@@ -0,0 +1,16 @@
+"use strict";
+
+var safeToString = require("./safe-to-string");
+
+var reNewLine = /[\n\r\u2028\u2029]/g;
+
+module.exports = function (value) {
+	var string = safeToString(value);
+	// Trim if too long
+	if (string.length > 100) string = string.slice(0, 99) + "…";
+	// Replace eventual new lines
+	string = string.replace(reNewLine, function (char) {
+		return JSON.stringify(char).slice(1, -1);
+	});
+	return string;
+};