Roughing out the demo app

node_modules/nanoid/index.browser.js

@@ -0,0 +1,33 @@
+if (process.env.NODE_ENV !== 'production') {
+  if (typeof navigator !== 'undefined' && navigator.product === 'ReactNative') {
+    throw new Error(
+      'React Native does not have a built-in secure random generator. ' +
+      'If you don’t need unpredictable IDs, you can use `nanoid/non-secure`. ' +
+      'For secure ID install `expo-random` locally and use `nanoid/async`.'
+    )
+  }
+  if (typeof self === 'undefined' || (!self.crypto && !self.msCrypto)) {
+    throw new Error(
+      'Your browser does not have secure random generator. ' +
+      'If you don’t need unpredictable IDs, you can use nanoid/non-secure.'
+    )
+  }
+}
+
+var crypto = self.crypto || self.msCrypto
+
+/*
+ * This alphabet uses a-z A-Z 0-9 _- symbols.
+ * Symbols order was changed for better gzip compression.
+ */
+var url = 'Uint8ArdomValuesObj012345679BCDEFGHIJKLMNPQRSTWXYZ_cfghkpqvwxyz-'
+
+module.exports = function (size) {
+  size = size || 21
+  var id = ''
+  var bytes = crypto.getRandomValues(new Uint8Array(size))
+  while (size--) {
+    id += url[bytes[size] & 63]
+  }
+  return id
+}