Not implemented error with react native

CHANGELOG.md

@@ -283,4 +283,5 @@ Released with 1.0.0-beta.37 code base.
 ### Fixed
 
 - Fix parsing of non-`eth_subscription` provider events (#3660)
-- Fix return value for `clearSubscriptions` (#3689)
+- Fix parsedUrl problem of websocket provider (#3666)
+- Fix return value for `clearSubscriptions` (#3689)

packages/web3-providers-ws/src/helpers.js

@@ -19,9 +19,7 @@ if (isNode) {
     }
 } else {
     _btoa = btoa.bind(window);
-    helpers = function(url) {
-        return new URL(url);
-    };
+    helpers = require('url').parse;;
 }
 
 module.exports = {