wip

package.json

@@ -27,10 +27,10 @@
   "homepage": "https://github.com/omichelsen/redux-promise-middleware-actions#readme",
   "devDependencies": {
     "@types/mocha": "^5.2.5",
-    "@types/node": "^10.5.2",
+    "@types/node": "^10.7.0",
     "mocha": "^5.2.0",
     "nyc": "^12.0.2",
-    "ts-node": "^7.0.0",
+    "ts-node": "^7.0.1",
     "tslint": "^5.11.0",
     "typescript": "^3.0.1"
   },

src/actions.ts

@@ -46,10 +46,15 @@ export function createAsyncAction<Payload, U extends any[]>(
   payloadCreator?: (...args: U) => Payload
 ) {
   return Object.assign(
-    (...args: U) => ({
-      type,
-      ...(payloadCreator && { payload: payloadCreator(...args) }),
-    }),
+    (...args: U) => {
+      const payload = (payloadCreator && payloadCreator(...args));
+
+      if (typeof payload === 'function') {
+        return payload;
+      }
+
+      return { type, ...(payload && { payload }) };
+    },
     {
       toString: () => {
         throw new Error(`Async action ${type} must be handled with pending, fulfilled or rejected`);

test/actions.test.ts

@@ -97,5 +97,15 @@ describe('actions', () => {
         });
       });
     });
+
+    describe('thunk', () => {
+      it('should return a thunk function', () => {
+        const thunk = createAsyncAction(
+          'THUNK',
+          (): any => (_: any, getState: any) => Promise.resolve(getState())
+        );
+        assert(typeof thunk('test') === 'function');
+      });
+    });
   });
 });