fix(subscribe): add the missing name for anonymous function

Author: ArrayZoneYour

__test__/index.d.ts

@@ -22,6 +22,7 @@ type NextCounterActionParams = {
 
 type ExtraActionParams = {
   add: number
+  addCaller: undefined
 }
 
 type ThemeActionParams = {

__test__/index.ts

@@ -43,6 +43,9 @@ export const Counter: ModelType<
       return {
         count: state.count + params
       }
+    },
+    addCaller: (_, actions) => {
+      actions.add(5)
     }
   }
 }
@@ -63,6 +66,9 @@ export const NextCounter: NextModelType<
       return {
         count: state.count + params
       }
+    },
+    addCaller: (_, { actions }) => {
+      actions.add(5)
     }
   }
 }

__test__/middlewares/subscribe.spec.ts

@@ -1,13 +1,14 @@
 /// <reference path="../index.d.ts" />
 import 'react-testing-library/cleanup-after-each'
 import { Model } from '../../src'
-import { Counter } from '..'
+import { NextCounter } from '..'
 import { testHook } from 'react-hooks-testing-library'
 
 describe('Subscribe middleware', () => {
   test('run callback when specific action run', async () => {
     let actions: any
     let count = 0
+    const Counter = Model(NextCounter)
     const { useStore, subscribe } = Model({ Counter })
     subscribe('Counter', ['increment'], () => (count += 1))
     subscribe('Counter', 'add', () => (count += 10))
@@ -20,5 +21,7 @@ describe('Subscribe middleware', () => {
     await actions.increment()
     await actions.increment()
     expect(count).toBe(33)
+    await actions.addCaller()
+    expect(count).toBe(48)
   })
 })

src/index.tsx

@@ -39,6 +39,7 @@ function Model<M extends Models, MT extends NextModelType>(
         o[name] = async (state, actions, params) => {
           return await action(params, { state, actions })
         }
+        Object.defineProperty(o[name], 'name', { value: name })
         return o
       },
       {}