Merge pull request #33 from alexdln/nmc-32

nmc-32 configure default generic types for chain

Author: alexdln

examples/auth5-intl/src/middleware.ts

@@ -1,7 +1,6 @@
 import { auth } from "@/auth";
 import createMiddleware from "next-intl/middleware";
-import { chain, FinalNextResponse } from "@nimpl/middleware-chain";
-import { Middleware } from "@nimpl/middleware-chain/dist/lib/types";
+import { chain, FinalNextResponse, type Middleware } from "@nimpl/middleware-chain";
 
 const intlMiddleware = createMiddleware({
     locales: ["en", "dk"],

package/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nimpl/middleware-chain",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "The package allows you to create a chain of native next.js middlewares without any modifications",
   "main": "./dist/chain.js",
   "files": [

package/src/chain.ts

@@ -1,13 +1,14 @@
-import { type NextFetchEvent } from "next/server";
+import { type NextFetchEvent, type NextRequest, type NextResponse } from "next/server";
 import { type ChainItem, type ChainConfig, type BaseRequest } from "./lib/types";
 import { collectData } from "./lib/collect-data";
 import { formatResponse } from "./lib/format-response";
 import { Logger } from "./lib/logger";
 
+export { type ChainItem, type ChainConfig, type BaseRequest, type Middleware } from "./lib/types";
 export { FinalNextResponse } from "./lib/final-next-response";
 
 export const chain =
-    <RequestType extends Request & BaseRequest, ResponseType extends Response>(
+    <RequestType extends Request & BaseRequest = NextRequest, ResponseType extends Response = NextResponse>(
         middlewares: ChainItem<RequestType, ResponseType>[],
         config?: ChainConfig,
     ) =>

package/src/lib/types.ts

@@ -1,5 +1,5 @@
 import { type ResponseCookie } from "next/dist/compiled/@edge-runtime/cookies";
-import { type NextFetchEvent } from "next/server";
+import { type NextRequest, type NextResponse, type NextFetchEvent } from "next/server";
 import { type FinalNextResponse, type FinalSymbol } from "./final-next-response";
 import { type Logger } from "./logger";
 
@@ -23,24 +23,24 @@ export interface ChainNextRequest extends BaseRequest {
     summary: Readonly<Summary>;
 }
 
-export type ChainNextResponse<ResponseType extends Response> =
+export type ChainNextResponse<ResponseType extends Response = Response> =
     | FinalNextResponse
     | (ResponseType & { [FinalSymbol]?: undefined });
 
-export type MiddlewareResult<ResponseType extends Response> =
+export type MiddlewareResult<ResponseType extends Response = Response> =
     | ChainNextResponse<ResponseType>
     | Response
     | void
     | undefined
     | null
     | Promise<MiddlewareResult<ResponseType>>;
 
-export type Middleware<T extends BaseRequest, ResponseType extends Response> = (
+export type Middleware<T extends BaseRequest = NextRequest, ResponseType extends Response = NextResponse> = (
     req: ChainNextRequest & T,
     event: NextFetchEvent,
 ) => MiddlewareResult<ResponseType>;
 
-export type ChainItem<T extends BaseRequest, ResponseType extends Response> =
+export type ChainItem<T extends BaseRequest = NextRequest, ResponseType extends Response = NextResponse> =
     | Middleware<T, ResponseType>
     | [Middleware<T, ResponseType>, { include?: RegExp; exclude?: RegExp }?];