Migration datamodels !

node_modules/esniff/utils/ensure-string-literal.js

@@ -0,0 +1,8 @@
+"use strict";
+
+var isStringLiteral = require("./is-string-literal");
+
+module.exports = function (arg) {
+	if (isStringLiteral(arg)) return arg;
+	throw new TypeError(arg + " does not represent string literal");
+};