build: move zone.js to angular repo (#30962)

PR Close #30962

packages/zone.js/lib/extra/socket-io.ts

@@ -0,0 +1,22 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+Zone.__load_patch('socketio', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
+  (Zone as any)[Zone.__symbol__('socketio')] = function patchSocketIO(io: any) {
+    // patch io.Socket.prototype event listener related method
+    api.patchEventTarget(global, [io.Socket.prototype], {
+      useG: false,
+      chkDup: false,
+      rt: true,
+      diff: (task: any, delegate: any) => { return task.callback === delegate; }
+    });
+    // also patch io.Socket.prototype.on/off/removeListener/removeAllListeners
+    io.Socket.prototype.on = io.Socket.prototype.addEventListener;
+    io.Socket.prototype.off = io.Socket.prototype.removeListener =
+        io.Socket.prototype.removeAllListeners = io.Socket.prototype.removeEventListener;
+  };
+});