Use x-gobal in node polyfills

packages/x-fetch/src/node.ts

@@ -3,6 +3,8 @@
 
 import nodeFetch from 'node-fetch';
 
-export const fetch = typeof global.fetch === 'undefined'
+import { xglobal } from '@polkadot/x-global';
+
+export const fetch = typeof xglobal.fetch === 'undefined'
   ? nodeFetch as unknown as typeof global.fetch
-  : global.fetch;
+  : xglobal.fetch;

packages/x-randomvalues/src/react-native.ts

@@ -7,6 +7,8 @@
 
 import { NativeModules } from 'react-native';
 
+import { xglobal } from '@polkadot/x-global';
+
 import { insecureRandomValues } from './fallback';
 
 interface RNExt {
@@ -29,9 +31,9 @@ function getRandomValuesGlobal <T extends Uint8Array> (arr: T): T {
   return crypto.getRandomValues(arr);
 }
 
-export const getRandomValues = typeof global.crypto === 'object' && typeof global.crypto.getRandomValues === 'function'
+export const getRandomValues = typeof xglobal.crypto === 'object' && typeof xglobal.crypto.getRandomValues === 'function'
   ? getRandomValuesGlobal
   // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access,@typescript-eslint/no-explicit-any
-  : (typeof (global as any).nativeCallSyncHook === 'undefined' || !NativeModules.ExpoRandom)
+  : (typeof (xglobal as any).nativeCallSyncHook === 'undefined' || !NativeModules.ExpoRandom)
     ? insecureRandomValues
     : getRandomValuesNative;

packages/x-textdecoder/src/node.ts

@@ -3,6 +3,8 @@
 
 import util from 'util';
 
-export const TextDecoder = typeof global.TextDecoder === 'undefined'
-  ? util.TextDecoder as unknown as typeof global.TextDecoder
-  : global.TextDecoder;
+import { xglobal } from '@polkadot/x-global';
+
+export const TextDecoder = typeof xglobal.TextDecoder === 'undefined'
+  ? util.TextDecoder as unknown as typeof xglobal.TextDecoder
+  : xglobal.TextDecoder;

packages/x-textencoder/src/node.ts

@@ -3,6 +3,8 @@
 
 import util from 'util';
 
+import { xglobal } from '@polkadot/x-global';
+
 class NodeFallback {
   #encoder: util.TextEncoder;
 
@@ -18,6 +20,6 @@ class NodeFallback {
   }
 }
 
-export const TextEncoder = typeof global.TextEncoder === 'undefined'
-  ? NodeFallback as unknown as typeof global.TextEncoder
-  : global.TextEncoder;
+export const TextEncoder = typeof xglobal.TextEncoder === 'undefined'
+  ? NodeFallback as unknown as typeof xglobal.TextEncoder
+  : xglobal.TextEncoder;

packages/x-ws/src/node.ts

@@ -3,6 +3,8 @@
 
 import ws from 'websocket';
 
-export const WebSocket = typeof global.WebSocket === 'undefined'
-  ? ws.w3cwebsocket as unknown as typeof global.WebSocket
-  : global.WebSocket;
+import { xglobal } from '@polkadot/x-global';
+
+export const WebSocket = typeof xglobal.WebSocket === 'undefined'
+  ? ws.w3cwebsocket as unknown as typeof xglobal.WebSocket
+  : xglobal.WebSocket;