Roughing out the demo app

node_modules/crypto-random-string/index.js

@@ -0,0 +1,10 @@
+'use strict';
+const crypto = require('crypto');
+
+module.exports = len => {
+	if (!Number.isFinite(len)) {
+		throw new TypeError('Expected a finite number');
+	}
+
+	return crypto.randomBytes(Math.ceil(len / 2)).toString('hex').slice(0, len);
+};