fix: keep a ref to the metadata so it can be passed through prechecks

deno.json

@@ -1,7 +1,7 @@
 {
 	"name": "@andyburke/serverus",
 	"description": "A flexible HTTP server for mixed content. Throw static files, markdown, Typescript and (hopefully, eventually) more into a directory and serverus can serve it up a bit more like old-school CGI.",
-	"version": "0.12.0",
+	"version": "0.12.1",
 	"license": "MIT",
 	"exports": {
 		".": "./serverus.ts",

handlers/static.ts

@@ -299,10 +299,11 @@ export default async function handle_static_files(request: Request, server: SERV
 	const query = Object.fromEntries(new URL(request.url).searchParams.entries());
 
 	for await (const precheck of prechecks) {
-		const error_response: Response | undefined = await precheck(request, {
+		const metadata = {
 			cookies,
 			query
-		});
+		};
+		const error_response: Response | undefined = await precheck(request, metadata);
 		if (error_response) {
 			return error_response;
 		}

handlers/typescript.ts

@@ -5,7 +5,6 @@
  */
 
 import { walk } from '@std/fs';
-import { delay } from '@std/async/delay';
 import * as path from '@std/path';
 import { getCookies } from '@std/http/cookie';
 import { PRECHECK } from '../server.ts';