Roughing out the demo app

node_modules/nanoid/async/random.js

@@ -0,0 +1,27 @@
+var crypto = require('crypto')
+
+if (crypto.randomFill) {
+  module.exports = function (bytes) {
+    return new Promise(function (resolve, reject) {
+      crypto.randomFill(Buffer.allocUnsafe(bytes), function (err, buf) {
+        if (err) {
+          reject(err)
+        } else {
+          resolve(buf)
+        }
+      })
+    })
+  }
+} else {
+  module.exports = function (bytes) {
+    return new Promise(function (resolve, reject) {
+      crypto.randomBytes(bytes, function (err, buf) {
+        if (err) {
+          reject(err)
+        } else {
+          resolve(buf)
+        }
+      })
+    })
+  }
+}