Fix a type error when exactOptionalPropertyTypes is enabled

lib/router/route-info.ts

@@ -26,8 +26,8 @@
   model?(params: Dict<unknown>, transition: Transition): PromiseLike<T> | undefined | T;
   deserialize?(params: Dict<unknown>, transition: Transition): T | PromiseLike<T> | undefined;
   serialize?(model: T | undefined, params: string[]): Dict<unknown> | undefined;
   beforeModel?(transition: Transition): PromiseLike<any> | any;
   afterModel?(resolvedModel: T | undefined, transition: Transition): PromiseLike<any> | any;
   setup?(context: T | undefined, transition: Transition): void;
   enter?(transition: Transition): void;
   exit?(transition?: Transition): void;
@@ -47,13 +47,13 @@
   readonly queryParams: Dict<unknown>;
   readonly metadata: unknown;
   find(
     predicate: (this: any, routeInfo: RouteInfo, i: number) => boolean,
     thisArg?: any
   ): RouteInfo | undefined;
 }
 
 export interface RouteInfoWithAttributes extends RouteInfo {
   attributes: any;
 }
 
 type RouteInfosKey = InternalRouteInfo<Route>;
@@ -89,8 +89,8 @@
 
     let routeInfo: RouteInfo = {
       find(
         predicate: (this: any, routeInfo: RouteInfo, i: number, arr?: RouteInfo[]) => boolean,
         thisArg: any
       ) {
         let publicInfo;
         let arr: RouteInfo[] = [];
@@ -179,7 +179,7 @@
 
 function createRouteInfoWithAttributes(
   routeInfo: RouteInfo,
   context: any
 ): RouteInfoWithAttributes {
   let attributes = {
     get attributes() {
@@ -224,7 +224,7 @@
   name: string;
   params: Dict<unknown> | undefined = {};
   queryParams?: Dict<unknown>;
-  context?: ModelFor<R> | PromiseLike<ModelFor<R>>;
+  context?: ModelFor<R> | PromiseLike<ModelFor<R>> | undefined;
   isResolved = false;
 
   constructor(router: Router<R>, name: string, paramNames: string[], route?: R) {