fix(transport-commons): Crow - fix array dispatching (#3073)

Author: daffl

packages/transport-commons/src/socket/utils.ts

@@ -51,7 +51,7 @@ export function getDispatcher (emit: string, socketMap: WeakMap<RealTimeConnecti
         // If we are getting events from an array but try to dispatch individual data
         // try to get the individual item to dispatch from the correct index.
         if (!Array.isArray(data) && Array.isArray(context.result) && Array.isArray(result)) {
-          result = context.result.find(resultData => isEqual(resultData, data));
+          result = result.find(resultData => isEqual(resultData, data));
         }
 
         debug(`Dispatching '${eventName}' to Socket ${socket.id} with`, result);

packages/transport-commons/test/socket/utils.test.ts

@@ -165,6 +165,25 @@ describe('socket commons utils', () => {
         dispatcher('testing', dummyChannel, dummyHook, data2);
       });
 
+      it('dispatches dispatch arrays properly', done => {
+        const data1 = { message: 'First message' };
+        const data2 = { message: 'Second message' };
+
+        dummyHook.result = []
+        dummyHook.dispatch = [ data1, data2 ];
+
+        dummySocket.once('testing', data => {
+          assert.deepStrictEqual(data, data1);
+          dummySocket.once('testing', result => {
+            assert.deepStrictEqual(result, data2);
+            done();
+          });
+        });
+
+        dispatcher('testing', dummyChannel, dummyHook, data1);
+        dispatcher('testing', dummyChannel, dummyHook, data2);
+      });
+
       it('dispatches arrays properly for custom events', done => {
         const result = [
           { message: 'First' },