fix(overmind): fix nested partial type of createMock

Author: christianalfoni

packages/node_modules/overmind/src/index.ts

@@ -18,6 +18,7 @@ import {
   ResolveState,
   Execution,
   ResolveMockActions,
+  NestedPartial,
 } from './internalTypes'
 import { proxifyEffects } from './proxyfyEffects'
 import {
@@ -78,7 +79,7 @@ function deepCopy(obj) {
 
 export function createMock<Config extends Configuration>(
   config: Config,
-  mockedEffects?: Partial<Config['effects']>
+  mockedEffects?: NestedPartial<Config['effects']>
 ): {
   actions: ResolveMockActions<Config['actions']>
   state: ResolveState<Config['state']>

packages/node_modules/overmind/src/internalTypes.ts

@@ -6,6 +6,10 @@ export type SubType<Base, Condition> = Pick<
   { [Key in keyof Base]: Base[Key] extends Condition ? Key : never }[keyof Base]
 >
 
+export type NestedPartial<T> = T extends object
+  ? Partial<{ [P in keyof T]: NestedPartial<T[P]> }>
+  : T
+
 export type Options = {
   name?: string
   devtools?: string | boolean