From 9b234033b5c24c8686bdac7780a7e066d795153c Mon Sep 17 00:00:00 2001
From: Tim Deschryver <28659384+timdeschryver@users.noreply.github.com>
Date: Tue, 9 Mar 2021 00:09:25 +0100
Subject: [PATCH] fix(store): allow default parameters in function action
 (#2954)

Closes #2948
---
 modules/store/spec/types/action_creator.spec.ts | 10 ++++++++--
 modules/store/src/action_creator.ts             |  2 +-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/modules/store/spec/types/action_creator.spec.ts b/modules/store/spec/types/action_creator.spec.ts
index 2b4052aeae..b1488374b2 100644
--- a/modules/store/spec/types/action_creator.spec.ts
+++ b/modules/store/spec/types/action_creator.spec.ts
@@ -88,15 +88,21 @@ describe('createAction()', () => {
       expectSnippet(`
         const foo = createAction('FOO', (type: string) => ({type}));
       `).toFail(
-        /Type '\(type: string\) => \{ type: string; \}' is not assignable to type '"type property is not allowed in action creators"'/
+        /Type '\{ type: string; \}' is not assignable to type '"type property is not allowed in action creators"'/
       );
     });
 
+    it('should allow foempt', () => {
+      expectSnippet(`
+        const foo = createAction('FOO', (bar = 3) => ({bar}));
+      `).toSucceed();
+    });
+
     it('should not allow arrays', () => {
       expectSnippet(`
         const foo = createAction('FOO', () => [ ]);
       `).toFail(
-        /Type '\(\) => any\[\]' is not assignable to type '"arrays are not allowed in action creators"'/
+        /Type 'any\[\]' is not assignable to type '"arrays are not allowed in action creators"'/
       );
     });
   });
diff --git a/modules/store/src/action_creator.ts b/modules/store/src/action_creator.ts
index a3d49fffe1..7e24e045c9 100644
--- a/modules/store/src/action_creator.ts
+++ b/modules/store/src/action_creator.ts
@@ -24,7 +24,7 @@ export function createAction<
   R extends object
 >(
   type: T,
-  creator: Creator<P, R> & NotAllowedCheck<R>
+  creator: Creator<P, R & NotAllowedCheck<R>>
 ): FunctionWithParametersType<P, R & TypedAction<T>> & TypedAction<T>;
 /**
  * @description