Fix lint errors, remove unused jsonify implementation

packages/react-router/__tests__/dom/partial-hydration-test.tsx

@@ -88,6 +88,7 @@ describe("Partial Hydration Behavior", () => {
         }
       );
       let { container } = render(
+        // eslint-disable-next-line react/jsx-pascal-case
         <ReactRouter_RouterProvider router={router} />
       );
 
@@ -176,6 +177,7 @@ describe("Partial Hydration Behavior", () => {
         }
       );
       let { container } = render(
+        // eslint-disable-next-line react/jsx-pascal-case
         <ReactRouter_RouterProvider router={router} />
       );
 

packages/react-router/lib/components.tsx

@@ -215,11 +215,7 @@ export function RouterProvider({
   let setState = React.useCallback<RouterSubscriber>(
     (
       newState: RouterState,
-      {
-        deletedFetchers,
-        flushSync: flushSync,
-        viewTransitionOpts: viewTransitionOpts,
-      }
+      { deletedFetchers, flushSync, viewTransitionOpts }
     ) => {
       deletedFetchers.forEach((key) => fetcherData.current.delete(key));
       newState.fetchers.forEach((fetcher, key) => {

packages/react-router/lib/router/router.ts

@@ -998,13 +998,6 @@ export function createRouter(init: RouterInit): Router {
   // we don't need to update UI state if they change
   let blockerFunctions = new Map<string, BlockerFunction>();
 
-  // Map of pending patchRoutesOnNavigation() promises (keyed by path/matches) so
-  // that we only kick them off once for a given combo
-  let pendingPatchRoutes = new Map<
-    string,
-    ReturnType<AgnosticPatchRoutesOnNavigationFunction>
-  >();
-
   // Flag to ignore the next history update, so we can revert the URL change on
   // a POP navigation that was blocked by the user without touching router state
   let unblockBlockerHistoryUpdate: (() => void) | undefined = undefined;
@@ -2750,7 +2743,7 @@ export function createRouter(init: RouterInit): Router {
     }
 
     for (let [routeId, result] of Object.entries(results)) {
-      if (isRedirectDataStrategyResultResult(result)) {
+      if (isRedirectDataStrategyResult(result)) {
         let response = result.result as Response;
         dataResults[routeId] = {
           type: ResultType.redirect,
@@ -2779,8 +2772,6 @@ export function createRouter(init: RouterInit): Router {
     fetchersToLoad: RevalidatingFetcher[],
     request: Request
   ) {
-    let currentMatches = state.matches;
-
     // Kick off loaders and fetchers in parallel
     let loaderResultsPromise = callDataStrategy(
       "loader",
@@ -3861,7 +3852,7 @@ export function createStaticHandler(
           return;
         }
         let result = results[match.route.id];
-        if (isRedirectDataStrategyResultResult(result)) {
+        if (isRedirectDataStrategyResult(result)) {
           let response = result.result as Response;
           // Throw redirects and let the server handle them with an HTTP redirect
           throw normalizeRelativeRoutingRedirectResponse(
@@ -5349,10 +5340,6 @@ function isHashChangeOnly(a: Location, b: Location): boolean {
   return false;
 }
 
-function isPromise<T = unknown>(val: unknown): val is Promise<T> {
-  return typeof val === "object" && val != null && "then" in val;
-}
-
 function isDataStrategyResult(result: unknown): result is DataStrategyResult {
   return (
     result != null &&
@@ -5363,7 +5350,7 @@ function isDataStrategyResult(result: unknown): result is DataStrategyResult {
   );
 }
 
-function isRedirectDataStrategyResultResult(result: DataStrategyResult) {
+function isRedirectDataStrategyResult(result: DataStrategyResult) {
   return (
     isResponse(result.result) && redirectStatusCodes.has(result.result.status)
   );

packages/react-router/lib/server-runtime/headers.ts

@@ -44,7 +44,7 @@ export function getDocumentHeaders(
     // Only expose errorHeaders to the leaf headers() function to
     // avoid duplication via parentHeaders
     let includeErrorHeaders =
-      errorHeaders != undefined && idx === matches.length - 1;
+      errorHeaders != null && idx === matches.length - 1;
     // Only prepend cookies from errorHeaders at the leaf renderable route
     // when it's not the same as loaderHeaders/actionHeaders to avoid
     // duplicate cookies

packages/react-router/lib/types.ts

@@ -1,6 +1,5 @@
 import type { DataWithResponseInit } from "./router/utils";
 import type { AppLoadContext } from "./server-runtime/data";
-import type { Jsonify } from "./server-runtime/jsonify";
 import type { Serializable } from "./server-runtime/single-fetch";
 
 export type Expect<T extends true> = T;

templates/basic/postcss.config.js

@@ -1,6 +1,8 @@
-export default {
+const config = {
   plugins: {
     tailwindcss: {},
     autoprefixer: {},
   },
 };
+
+export default config;