Remove publicPath from resolved config

.changeset/remove-build-end-public-path.md

@@ -0,0 +1,5 @@
+---
+"@react-router/dev": major
+---
+
+For Remix consumers migrating to React Router who used the Vite plugin's `buildEnd` hook, the resolved `reactRouterConfig` object no longer contains a `publicPath` property since this belongs to Vite, not React Router.

integration/vite-presets-test.ts

@@ -214,7 +214,6 @@ test("Vite / presets", async () => {
     "buildEnd",
     "future",
     "prerender",
-    "publicPath",
     "routes",
     "serverBuildFile",
     "serverBundles",

packages/remix-dev/config.ts

@@ -193,10 +193,6 @@ export type ResolvedVitePluginConfig = Readonly<{
    * An array of URLs to prerender to HTML files at build time.
    */
   prerender: Array<string> | null;
-  /**
-   * Derived from Vite's `base` config
-   * */
-  publicPath: string;
   /**
    * An object of all available routes, keyed by route id.
    */
@@ -314,6 +310,10 @@ let deepFreeze = (o: any) => {
   return o;
 };
 
+export function resolvePublicPath(viteUserConfig: Vite.UserConfig) {
+  return viteUserConfig.base ?? "/";
+}
+
 export async function resolveReactRouterConfig({
   rootDirectory,
   reactRouterUserConfig,
@@ -404,7 +404,7 @@ export async function resolveReactRouterConfig({
 
   let appDirectory = path.resolve(rootDirectory, userAppDirectory || "app");
   let buildDirectory = path.resolve(rootDirectory, userBuildDirectory);
-  let publicPath = viteUserConfig.base ?? "/";
+  let publicPath = resolvePublicPath(viteUserConfig);
 
   if (
     basename !== "/" &&
@@ -453,7 +453,6 @@ export async function resolveReactRouterConfig({
     buildEnd,
     future,
     prerender,
-    publicPath,
     routes,
     serverBuildFile,
     serverBundles,

packages/remix-dev/vite/plugin.ts

@@ -36,6 +36,7 @@ import {
   type ResolvedVitePluginConfig,
   resolveReactRouterConfig,
   resolveEntryFiles,
+  resolvePublicPath,
 } from "../config";
 
 export async function resolveViteConfig({
@@ -150,6 +151,7 @@ export type ReactRouterPluginContext = ReactRouterPluginSsrBuildContext & {
   rootDirectory: string;
   entryClientFilePath: string;
   entryServerFilePath: string;
+  publicPath: string;
   reactRouterConfig: ResolvedVitePluginConfig;
   viteManifestEnabled: boolean;
 };
@@ -233,14 +235,14 @@ const getReactRouterManifestBuildAssets = (
   ]);
 
   return {
-    module: `${ctx.reactRouterConfig.publicPath}${entryChunk.file}`,
+    module: `${ctx.publicPath}${entryChunk.file}`,
     imports:
       dedupe(chunks.flatMap((e) => e.imports ?? [])).map((imported) => {
-        return `${ctx.reactRouterConfig.publicPath}${viteManifest[imported].file}`;
+        return `${ctx.publicPath}${viteManifest[imported].file}`;
       }) ?? [],
     css:
       dedupe(chunks.flatMap((e) => e.css ?? [])).map((href) => {
-        return `${ctx.reactRouterConfig.publicPath}${href}`;
+        return `${ctx.publicPath}${href}`;
       }) ?? [],
   };
 };
@@ -442,6 +444,7 @@ export const reactRouterVitePlugin: ReactRouterVitePlugin = (_config) => {
       reactRouterConfig,
     });
 
+    let publicPath = resolvePublicPath(viteUserConfig);
     let viteManifestEnabled = viteUserConfig.build?.manifest === true;
 
     let ssrBuildCtx: ReactRouterPluginSsrBuildContext =
@@ -460,6 +463,7 @@ export const reactRouterVitePlugin: ReactRouterVitePlugin = (_config) => {
       rootDirectory,
       entryClientFilePath,
       entryServerFilePath,
+      publicPath,
       viteManifestEnabled,
       ...ssrBuildCtx,
     };
@@ -507,9 +511,7 @@ export const reactRouterVitePlugin: ReactRouterVitePlugin = (_config) => {
       export const isSpaMode = ${
         !ctx.reactRouterConfig.ssr && ctx.reactRouterConfig.prerender == null
       };
-      export const publicPath = ${JSON.stringify(
-        ctx.reactRouterConfig.publicPath
-      )};
+      export const publicPath = ${JSON.stringify(ctx.publicPath)};
       export const entry = { module: entryServer };
       export const routes = {
         ${Object.keys(routes)
@@ -625,7 +627,7 @@ export const reactRouterVitePlugin: ReactRouterVitePlugin = (_config) => {
       viteConfig.build.assetsDir,
       `manifest-${version}.js`
     );
-    let url = `${ctx.reactRouterConfig.publicPath}${manifestPath}`;
+    let url = `${ctx.publicPath}${manifestPath}`;
     let nonFingerprintedValues = { url, version };
 
     let reactRouterBrowserManifest: ReactRouterManifest = {
@@ -671,7 +673,7 @@ export const reactRouterVitePlugin: ReactRouterVitePlugin = (_config) => {
         index: route.index,
         caseSensitive: route.caseSensitive,
         module: path.posix.join(
-          ctx.reactRouterConfig.publicPath,
+          ctx.publicPath,
           `${resolveFileUrl(
             ctx,
             resolveRelativeRouteFilePath(route, ctx.reactRouterConfig)
@@ -689,18 +691,18 @@ export const reactRouterVitePlugin: ReactRouterVitePlugin = (_config) => {
     return {
       version: String(Math.random()),
       url: path.posix.join(
-        ctx.reactRouterConfig.publicPath,
+        ctx.publicPath,
         VirtualModule.url(browserManifestId)
       ),
       hmr: {
         runtime: path.posix.join(
-          ctx.reactRouterConfig.publicPath,
+          ctx.publicPath,
           VirtualModule.url(injectHmrRuntimeId)
         ),
       },
       entry: {
         module: path.posix.join(
-          ctx.reactRouterConfig.publicPath,
+          ctx.publicPath,
           resolveFileUrl(ctx, ctx.entryClientFilePath)
         ),
         imports: [],
@@ -1624,15 +1626,15 @@ async function getRouteMetadata(
     index: route.index,
     caseSensitive: route.caseSensitive,
     url: path.posix.join(
-      ctx.reactRouterConfig.publicPath,
+      ctx.publicPath,
       "/" +
         path.relative(
           ctx.rootDirectory,
           resolveRelativeRouteFilePath(route, ctx.reactRouterConfig)
         )
     ),
     module: path.posix.join(
-      ctx.reactRouterConfig.publicPath,
+      ctx.publicPath,
       `${resolveFileUrl(
         ctx,
         resolveRelativeRouteFilePath(route, ctx.reactRouterConfig)