fix

src/middleware-dispatcher/proto-middleware-dispatcher.ts

-import { Middleware, MiddlewareNext, MiddlewareResult } from './types';
+import { Middleware, MiddlewareResult } from './types';
 import { AnyClass, ClassType } from '../types';
 import { DynamicMiddlewareDispatcher } from './dynamic-middleware-dispatcher';
 
@@ -80,7 +80,7 @@ export class ProtoMiddlewareDispatcher<
     for (const cls of chain) {
       const mws = this.middlewareProtoMapPrior.get(cls);
       if (mws) {
-        result.push(...mws);
+        result.push(...[...mws].reverse());
       }
     }
 

tests/proto-middleware-dispatcher.spec.ts

@@ -13,7 +13,15 @@ describe('ProtoMiddlewareDispatcher', () => {
     d.middleware(
       Base,
       async (x, inst, next) => {
-        order.push('base:prior');
+        order.push('base:prior1');
+        return next();
+      },
+      true,
+    );
+    d.middleware(
+      Base,
+      async (x, inst, next) => {
+        order.push('base:prior2');
         return next();
       },
       true,
@@ -26,6 +34,10 @@ describe('ProtoMiddlewareDispatcher', () => {
       },
       true,
     );
+    d.middleware(Sub, async (x, inst, next) => {
+      order.push('sub:normal0');
+      return next();
+    });
     d.middleware(Sub, async (x, inst, next) => {
       order.push('sub:normal');
       expect(inst).toBeInstanceOf(Sub);
@@ -47,8 +59,10 @@ describe('ProtoMiddlewareDispatcher', () => {
     sub.value = 5;
     const res = await d.dispatch(3, sub);
     expect(order).toEqual([
-      'base:prior',
+      'base:prior2',
+      'base:prior1',
       'sub:prior',
+      'sub:normal0',
       'sub:normal',
       'base:normal',
     ]);