improve typings for replyOptions (#127)

Author: hmaurer

index.d.ts

@@ -1,18 +1,13 @@
 /// <reference types="node" />
 
-import {
-  FastifyPlugin,
-  preHandlerHookHandler
-} from "fastify";
+import { FastifyPlugin, preHandlerHookHandler } from "fastify";
 
 import {
-  FastifyReplyFromOptions
-} from "fastify-reply-from"
+  FastifyReplyFromOptions,
+  FastifyReplyFromHooks,
+} from "fastify-reply-from";
 
-import {
-  ClientOptions,
-  ServerOptions
-} from "ws"
+import { ClientOptions, ServerOptions } from "ws";
 
 export interface FastifyHttpProxyOptions extends FastifyReplyFromOptions {
   upstream: string;
@@ -22,10 +17,10 @@ export interface FastifyHttpProxyOptions extends FastifyReplyFromOptions {
   preHandler?: preHandlerHookHandler;
   beforeHandler?: preHandlerHookHandler;
   config?: Object;
-  replyOptions?: Object;
-  websocket?: boolean
-  wsClientOptions?: ClientOptions
-  wsServerOptions?: ServerOptions
+  replyOptions?: FastifyReplyFromHooks;
+  websocket?: boolean;
+  wsClientOptions?: ClientOptions;
+  wsServerOptions?: ServerOptions;
 }
 
 declare const fastifyHttpProxy: FastifyPlugin<FastifyHttpProxyOptions>;

test/index.test-d.ts

@@ -14,7 +14,7 @@ app.register(fastifyHttpProxy, {
   rewritePrefix: "/u",
   http2: false,
   config: { key: 1 },
-  replyOptions: { opt: "a" },
+  replyOptions: { contentType: "application/json" },
   preHandler: (request, reply) => {
     expectType<RawRequestDefaultExpression>(request.raw);
     expectType<RawReplyDefaultExpression>(reply.raw);