fix(useMutation): revert some changes

Author: raoufswe

src/react/types.ts

@@ -99,6 +99,16 @@ export interface UseMutationOptions<
   useErrorBoundary?: boolean
 }
 
+export type UseMutateFunction<
+  TData = unknown,
+  TError = unknown,
+  TVariables = void,
+  TContext = unknown
+> = (
+  variables: TVariables,
+  options?: MutateOptions<TData, TError, TVariables, TContext>
+) => void
+
 export type UseMutateAsyncFunction<
   TData = unknown,
   TError = unknown,
@@ -114,7 +124,11 @@ export type UseBaseMutationResult<
   TError = unknown,
   TVariables = unknown,
   TContext = unknown
-> = MutationObserverResult<TData, TError, TVariables, TContext> & {
+> = Omit<
+  MutationObserverResult<TData, TError, TVariables, TContext>,
+  'mutate'
+> & {
+  mutate: UseMutateFunction<TData, TError, TVariables, TContext>
   mutateAsync: UseMutateAsyncFunction<TData, TError, TVariables, TContext>
 }
 

src/react/useMutation.ts

@@ -4,8 +4,12 @@ import { notifyManager } from '../core/notifyManager'
 import { noop, parseMutationArgs } from '../core/utils'
 import { MutationObserver } from '../core/mutationObserver'
 import { useQueryClient } from './QueryClientProvider'
-import { UseMutationOptions, UseMutationResult } from './types'
-import { MutateFunction, MutationFunction, MutationKey } from '../core/types'
+import {
+  UseMutateFunction,
+  UseMutationOptions,
+  UseMutationResult,
+} from './types'
+import { MutationFunction, MutationKey } from '../core/types'
 
 // HOOK
 
@@ -93,7 +97,7 @@ export function useMutation<
   }, [])
 
   const mutate = React.useCallback<
-    MutateFunction<TData, TError, TVariables, TContext>
+    UseMutateFunction<TData, TError, TVariables, TContext>
   >((variables, mutateOptions) => {
     return obsRef.current!.mutate(variables, mutateOptions).catch(noop)
   }, [])