fix: callback type definitions in MutationFn for improved clarity and…

… consistency
EpicenterHQ · Dec 23, 2024 · 69be638 · 69be638
1 parent 64ab805
commit 69be638
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/.changeset/gentle-clocks-fix.md b/.changeset/gentle-clocks-fix.md
@@ -0,0 +1,5 @@
+---
+"@epicenterhq/result": patch
+---
+
+Fix callback type definitions in MutationFn for improved clarity and consistency
diff --git a/src/services.ts b/src/services.ts
@@ -28,8 +28,8 @@ export type QueryFn<I, O, ServiceErrorProperties> = (
 export type MutationFn<I, O, ServiceErrorProperties> = (
 	input: I,
 	callbacks: {
-		onMutate: (data: O) => void;
-		onSuccess: () => void;
+		onMutate: (input: I) => void;
+		onSuccess: (output: O) => void;
 		onError: (error: ServiceErrorProperties) => void;
 		onSettled: () => void;
 	},