From 9f6c992feecb4694758f8767063d8ad89d842c3c Mon Sep 17 00:00:00 2001
From: Sunil Hari <isunilhari@gmail.com>
Date: Sun, 29 May 2022 23:37:46 +0530
Subject: [PATCH] fix(types): change types for useMutation context in onSuccess
 (#3654)

changes context to optional in onSuccess callback
---
 src/core/mutation.ts | 2 +-
 src/core/types.ts    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/mutation.ts b/src/core/mutation.ts
index 58796a3a6b..6019940ad8 100644
--- a/src/core/mutation.ts
+++ b/src/core/mutation.ts
@@ -178,7 +178,7 @@ export class Mutation<
         this.options.onSuccess?.(
           data,
           this.state.variables!,
-          this.state.context!
+          this.state.context
         )
       )
       .then(() =>
diff --git a/src/core/types.ts b/src/core/types.ts
index 63d04d5e6b..1a857669c5 100644
--- a/src/core/types.ts
+++ b/src/core/types.ts
@@ -548,7 +548,7 @@ export interface MutationOptions<
   onSuccess?: (
     data: TData,
     variables: TVariables,
-    context: TContext
+    context: TContext | undefined
   ) => Promise<unknown> | void
   onError?: (
     error: TError,