export crypto.subtle from isomorphic

index.js

@@ -3,39 +3,27 @@
 import { randomBytes } from 'react-native-randombytes'
 import crypto from 'isomorphic-webcrypto'
 exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = randomBytes
-
-
-(async () => {
-  // Only needed for crypto.getRandomValues
-  // but only wait once, future calls are secure
-  await crypto.ensureSecure();
-  const array = new Uint8Array(1);
-  crypto.getRandomValues(array);
-  const safeValue = array[0];
-
-  return array;
-})()
-
-
-// // implement window.getRandomValues(), for packages that rely on it
-// if (typeof window === 'object') {
-//   if (!window.crypto) window.crypto = {}
-//   if (!window.crypto.getRandomValues) {
-//     window.crypto.getRandomValues = function getRandomValues (arr) {
-//       let orig = arr
-//       if (arr.byteLength != arr.length) {
-//         // Get access to the underlying raw bytes
-//         arr = new Uint8Array(arr.buffer)
-//       }
-//       const bytes = randomBytes(arr.length)
-//       for (var i = 0; i < bytes.length; i++) {
-//         arr[i] = bytes[i]
-//       }
-
-//       return orig
-//     }
-//   }
-// }
+exports.subtle = crypto.subtle
+
+// implement window.getRandomValues(), for packages that rely on it
+if (typeof window === 'object') {
+  if (!window.crypto) window.crypto = {}
+  if (!window.crypto.getRandomValues) {
+    window.crypto.getRandomValues = function getRandomValues (arr) {
+      let orig = arr
+      if (arr.byteLength != arr.length) {
+        // Get access to the underlying raw bytes
+        arr = new Uint8Array(arr.buffer)
+      }
+      const bytes = randomBytes(arr.length)
+      for (var i = 0; i < bytes.length; i++) {
+        arr[i] = bytes[i]
+      }
+
+      return orig
+    }
+  }
+}
 
 exports.createHash = exports.Hash = require('create-hash')
 exports.createHmac = exports.Hmac = require('create-hmac')