diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 00000000..c8cfd379
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1 @@
+src/Router.ts
diff --git a/package.json b/package.json
index 5514c90c..1e774116 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "itty-router",
-  "version": "4.0.8",
+  "version": "4.0.9",
   "description": "A tiny, zero-dependency router, designed to make beautiful APIs in any environment.",
   "type": "module",
   "main": "./index.js",
diff --git a/src/Router.ts b/src/Router.ts
index 53d25c1b..8f33db11 100644
--- a/src/Router.ts
+++ b/src/Router.ts
@@ -3,21 +3,21 @@ export type GenericTraps = {
 }
 
 export type RequestLike = {
-  method: string
-  url: string
+  method: string,
+  url: string,
 } & GenericTraps
 
 export type IRequestStrict = {
-  method: string
-  url: string
-  route: string
+  method: string,
+  url: string,
+  route: string,
   params: {
-    [key: string]: string
-  }
+    [key: string]: string,
+  },
   query: {
-    [key: string]: string | string[] | undefined
-  }
-  proxy?: any
+    [key: string]: string | string[] | undefined,
+  },
+  proxy?: any,
 } & Request
 
 export type IRequest = IRequestStrict & GenericTraps
@@ -34,112 +34,77 @@ export type RouteHandler<I = IRequest, A extends any[] = any[]> = {
 export type RouteEntry = [string, RegExp, RouteHandler[], string]
 
 // this is the generic "Route", which allows per-route overrides
-export type Route = <
-  RequestType = IRequest,
-  Args extends any[] = any[],
-  RT = RouterType
->(
+export type Route = <RequestType = IRequest, Args extends any[] = any[], RT = RouterType>(
   path: string,
   ...handlers: RouteHandler<RequestType, Args>[]
 ) => RT
 
 // this is an alternative UniveralRoute, accepting generics (from upstream), but without
 // per-route overrides
-export type UniversalRoute<
-  RequestType = IRequest,
-  Args extends any[] = any[]
-> = (
+export type UniversalRoute<RequestType = IRequest, Args extends any[] = any[]> = (
   path: string,
   ...handlers: RouteHandler<RequestType, Args>[]
 ) => RouterType<UniversalRoute<RequestType, Args>, Args>
 
 // helper function to detect equality in types (used to detect custom Request on router)
-type Equal<X, Y> = (<T>() => T extends X ? 1 : 2) extends <T>() => T extends Y
-  ? 1
-  : 2
-  ? true
-  : false
+type Equal<X, Y> = (<T>() => T extends X ? 1 : 2) extends (<T>() => T extends Y ? 1 : 2) ? true : false;
 
 export type CustomRoutes<R = Route> = {
-  [key: string]: R
+  [key: string]: R,
 }
 
 export type RouterType<R = Route, Args extends any[] = any[]> = {
-  __proto__: RouterType<R>
-  routes: RouteEntry[]
-  handle: <A extends any[] = Args>(
-    request: RequestLike,
-    ...extra: Equal<R, Args> extends true ? A : Args
-  ) => Promise<any>
-  all: R
-  delete: R
-  get: R
-  head: R
-  options: R
-  patch: R
-  post: R
-  put: R
+  __proto__: RouterType<R>,
+  routes: RouteEntry[],
+  handle: <A extends any[] = Args>(request: RequestLike, ...extra: Equal<R, Args> extends true ? A : Args) => Promise<any>
+  all: R,
+  delete: R,
+  get: R,
+  head: R,
+  options: R,
+  patch: R,
+  post: R,
+  put: R,
 } & CustomRoutes<R>
 
 export const Router = <
   RequestType = IRequest,
   Args extends any[] = any[],
-  RouteType = Equal<RequestType, IRequest> extends true
-    ? Route
-    : UniversalRoute<RequestType, Args>
->({ base = '', routes = [] }: RouterOptions = {}): RouterType<
-  RouteType,
-  Args
-> =>
+  RouteType = Equal<RequestType, IRequest> extends true ? Route : UniversalRoute<RequestType, Args>
+>({ base = '', routes = [] }: RouterOptions = {}): RouterType<RouteType, Args> =>
   // @ts-expect-error TypeScript doesn't know that Proxy makes this work
   ({
-    __proto__: new Proxy(
-      {},
-      {
-        // @ts-expect-error (we're adding an expected prop "path" to the get)
-        get:
-          (target: any, prop: string, receiver: object, path: string) =>
-          (route: string, ...handlers: RouteHandler<I>[]) =>
-            routes.push([
-              prop.toUpperCase(),
-              RegExp(
-                `^${
-                  (path = (base + '/' + route).replace(/\/+(\/|$)/g, '$1')) // strip double & trailing splash
-                    .replace(/(\/?\.?):(\w+)\+/g, '($1(?<$2>*))') // greedy params
-                    .replace(/(\/?\.?):(\w+)/g, '($1(?<$2>[^$1/]+?))') // named params and image format
-                    .replace(/\./g, '\\.') // dot in path
-                    .replace(/(\/?)\*/g, '($1.*)?') // wildcard
-                }/*$`
-              ),
-              handlers, // embed handlers
-              path, // embed clean route path
-            ]) && receiver,
-      }
-    ),
+    __proto__: new Proxy({}, {
+      // @ts-expect-error (we're adding an expected prop "path" to the get)
+      get: (target: any, prop: string, receiver: object, path: string) => (route: string, ...handlers: RouteHandler<I>[]) =>
+        routes.push(
+          [
+            prop.toUpperCase(),
+            RegExp(`^${(path = (base + '/' + route).replace(/\/+(\/|$)/g, '$1'))  // strip double & trailing splash
+              .replace(/(\/?\.?):(\w+)\+/g, '($1(?<$2>*))')                       // greedy params
+              .replace(/(\/?\.?):(\w+)/g, '($1(?<$2>[^$1/]+?))')                  // named params and image format
+              .replace(/\./g, '\\.')                                              // dot in path
+              .replace(/(\/?)\*/g, '($1.*)?')                                     // wildcard
+            }/*$`),
+            handlers,                                                             // embed handlers
+            path,                                                                 // embed clean route path
+          ]
+        ) && receiver
+    }),
     routes,
-    async handle(request: RequestLike, ...args) {
-      let response,
-        match,
-        url = new URL(request.url),
-        query: any = (request.query = { __proto__: null })
+    async handle (request: RequestLike, ...args)  {
+      let response, match, url = new URL(request.url), query: any = request.query = { __proto__: null }
       for (let [k, v] of url.searchParams) {
         query[k] = query[k] === undefined ? v : [query[k], v].flat()
       }
       for (let [method, regex, handlers, path] of routes) {
-        if (
-          (method === request.method || method === 'ALL') &&
-          (match = url.pathname.match(regex))
-        ) {
-          request.params = match.groups || {} // embed params in request
-          request.route = path // embed route path in request
+        if ((method === request.method || method === 'ALL') && (match = url.pathname.match(regex))) {
+          request.params = match.groups || {}                                     // embed params in request
+          request.route = path                                                    // embed route path in request
           for (let handler of handlers) {
-            if (
-              (response = await handler(request.proxy || request, ...args)) !==
-              undefined
-            )
-              return response
+            if ((response = await handler(request.proxy || request, ...args)) !== undefined) return response
           }
         }
       }
-    },
+    }
   })