fix(remix): Scope source map deletion to the configured outDir

A hardcoded `./build/**/*.map` left a custom Remix `buildDirectory`
untouched, silently shipping its source maps. Deriving the glob from
`build.outDir` also scopes Remix's client and SSR passes to the output
each one actually emitted.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

Author: chargome

packages/remix/src/vite/sourceMaps.ts

@@ -50,13 +50,21 @@ export function makeAddSentryVitePlugin(options: SentryRemixVitePluginOptions):
         typeof config.build?.sourcemap === 'undefined' &&
         !sourcemaps?.disable
       ) {
+        // Derived from the configured `outDir` rather than hardcoding `build`, so a custom Remix
+        // `buildDirectory` still gets cleaned up. Remix runs a client and an SSR build, each with
+        // its own `outDir`, so each pass deletes only what it emitted.
+        const outDir = config.build?.outDir?.replace(/^\.\//, '').replace(/\/+$/, '') || 'build';
+        const filesToDelete = [`./${outDir}/**/*.map`];
+
         if (debug) {
           // eslint-disable-next-line no-console
           console.log(
-            '[Sentry] Automatically setting `sourcemaps.filesToDeleteAfterUpload: ["./build/**/*.map"]` to delete generated source maps after they were uploaded to Sentry.',
+            `[Sentry] Automatically setting \`sourcemaps.filesToDeleteAfterUpload: ${JSON.stringify(
+              filesToDelete,
+            )}\` to delete generated source maps after they were uploaded to Sentry.`,
           );
         }
-        resolveFilesToDeleteAfterUpload?.(['./build/**/*.map']);
+        resolveFilesToDeleteAfterUpload?.(filesToDelete);
       } else {
         resolveFilesToDeleteAfterUpload?.(userFilesToDelete);
       }

packages/remix/test/vite/sourceMaps.test.ts

@@ -140,6 +140,17 @@ describe('makeAddSentryVitePlugin', () => {
     await expect(capturedOptions?.sourcemaps?.filesToDeleteAfterUpload).resolves.toEqual(['./build/**/*.map']);
   });
 
+  // Remix's `buildDirectory` is configurable, and it runs a client and an SSR build with their own
+  // `outDir`s - a hardcoded `./build/**/*.map` would leave a custom output directory's maps on disk.
+  it('scopes the deletion glob to the configured outDir', async () => {
+    const plugins = makeAddSentryVitePlugin({});
+    const configPlugin = plugins.find(plugin => plugin.name === 'sentry-remix-files-to-delete-after-upload');
+
+    (configPlugin?.config as (config: UserConfig) => void)({ build: { outDir: 'dist/client' } });
+
+    await expect(capturedOptions?.sourcemaps?.filesToDeleteAfterUpload).resolves.toEqual(['./dist/client/**/*.map']);
+  });
+
   it('keeps the source maps when the user set their own build.sourcemap', async () => {
     const plugins = makeAddSentryVitePlugin({});
     const configPlugin = plugins.find(plugin => plugin.name === 'sentry-remix-files-to-delete-after-upload');