resolves errors in filerouter dynamic import

file_router.ts

@@ -1,5 +1,6 @@
 import Router from "./router.ts";
 import type { Handler, RouteConfigurator } from "./types.ts";
+import { isRelativePath } from "./util/isRelativePath.ts";
 
 function crawl(dir: string, callback: (path: string) => void) {
   for (const entry of Deno.readDirSync(dir)) {
@@ -27,10 +28,15 @@ export class FileRouter extends Router {
   constructor(root: string) {
     super();
     crawl(root, async (path) => {
-      let relativePath = path.replace(root, "");
+      let relativePath = path.replace(root, "").replace(/index\/?/, "");
       if (path.endsWith(".ts") || path.endsWith(".js")) {
+        if (isRelativePath(path)) {
+          path = Deno.build.os === "windows"
+            ? `${Deno.cwd()}\\${path.replace(/^.?.?\\/, "")}`
+            : `${Deno.cwd()}/${path.replace(/^.?.?\//, "")}`;
+        }
         relativePath = relativePath.replace(/\.[tj]s/, "");
-        const handlers = await import(path);
+        const handlers = await import("file://" + path);
 
         if (handlers.default) {
           handlers.default instanceof Router
@@ -55,6 +61,15 @@ export class FileRouter extends Router {
         });
       }
     });
+
+    if (Deno.env.get("BEARMETAL_ROUTER_DEBUG") === "true") {
+      this.route("/debug/dump").get((_ctx) => {
+        console.log("Dumping routes:");
+        return new Response(
+          this.routes.map((r) => r.pattern.pathname).join("\n"),
+        );
+      });
+    }
   }
 }