Fix the dispatch type inference to correctly handle read-only middleware arrays

dokmic · dokmic · commit 87cda7d4ff2e · 2022-08-25T17:22:50.000+02:00
diff --git a/packages/toolkit/src/tsHelpers.ts b/packages/toolkit/src/tsHelpers.ts
@@ -88,7 +88,7 @@ export type ExtractDispatchExtensions<M> = M extends MiddlewareArray<
   infer MiddlewareTuple
 >
   ? ExtractDispatchFromMiddlewareTuple<MiddlewareTuple, {}>
-  : M extends Middleware[]
+  : M extends ReadonlyArray<Middleware>
   ? ExtractDispatchFromMiddlewareTuple<[...M], {}>
   : never
 

Original file line number	Diff line number	Diff line change
`@@ -88,7 +88,7 @@ export type ExtractDispatchExtensions<M> = M extends MiddlewareArray<`
`88`	`88`	`infer MiddlewareTuple`
`89`	`89`	`>`
`90`	`90`	`? ExtractDispatchFromMiddlewareTuple<MiddlewareTuple, {}>`
`91`		`- : M extends Middleware[]`
	`91`	`+ : M extends ReadonlyArray<Middleware>`
`92`	`92`	`? ExtractDispatchFromMiddlewareTuple<[...M], {}>`
`93`	`93`	`: never`
`94`	`94`