npm and error messages

node_modules/es5-ext/number/to-integer.js

@@ -0,0 +1,12 @@
+"use strict";
+
+var sign = require("../math/sign")
+
+  , abs = Math.abs, floor = Math.floor;
+
+module.exports = function (value) {
+	if (isNaN(value)) return 0;
+	value = Number(value);
+	if ((value === 0) || !isFinite(value)) return value;
+	return sign(value) * floor(abs(value));
+};