cli: use correct public path for /auth entry point bundles

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/cli/src/lib/bundler/bundle.ts

@@ -66,7 +66,12 @@ export async function buildBundle(options: BuildOptions) {
     dist: 'dist/auth',
   });
   if (authPaths) {
-    configs.push(await createConfig(authPaths, commonConfigOptions));
+    configs.push(
+      await createConfig(authPaths, {
+        ...commonConfigOptions,
+        publicSubPath: '/auth',
+      }),
+    );
   }
 
   const isCi = yn(process.env.CI, { default: false });

packages/cli/src/lib/bundler/config.ts

@@ -92,7 +92,7 @@ export async function createConfig(
   paths: BundlingPaths,
   options: BundlingOptions,
 ): Promise<webpack.Configuration> {
-  const { checksEnabled, isDev, frontendConfig } = options;
+  const { checksEnabled, isDev, frontendConfig, publicSubPath = '' } = options;
 
   const { plugins, loaders } = transforms(options);
   // Any package that is part of the monorepo but outside the monorepo root dir need
@@ -102,7 +102,11 @@ export async function createConfig(
 
   const baseUrl = frontendConfig.getString('app.baseUrl');
   const validBaseUrl = new URL(baseUrl);
-  const publicPath = validBaseUrl.pathname.replace(/\/$/, '');
+  let publicPath = validBaseUrl.pathname.replace(/\/$/, '');
+  if (publicSubPath) {
+    publicPath = `${publicPath}${publicSubPath}`.replace('//', '/');
+  }
+
   if (checksEnabled) {
     plugins.push(
       new ForkTsCheckerWebpackPlugin({

packages/cli/src/lib/bundler/server.ts

@@ -208,7 +208,13 @@ DEPRECATION WARNING: React Router Beta is deprecated and support for it will be
       dist: 'dist/auth',
     });
     const compiler = authPaths
-      ? webpack([config, await createConfig(authPaths, commonConfigOptions)])
+      ? webpack([
+          config,
+          await createConfig(authPaths, {
+            ...commonConfigOptions,
+            publicSubPath: '/auth',
+          }),
+        ])
       : webpack(config);
 
     webpackServer = new WebpackDevServer(

packages/cli/src/lib/bundler/types.ts

@@ -26,6 +26,8 @@ export type BundlingOptions = {
   baseUrl: URL;
   parallelism?: number;
   additionalEntryPoints?: string[];
+  // Path to append to the detected public path, e.g. '/auth'
+  publicSubPath?: string;
 };
 
 export type ServeOptions = BundlingPathsOptions & {