fix(remix): Do not prefix an absolute outDir in the deletion glob

Vite resolves `build.outDir` to an absolute path, so prefixing it with
`./` produced `.//abs/path/**/*.map`, which matches nothing and left the
generated source maps in the production output.

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

Author: chargome

packages/remix/src/vite/sourceMaps.ts

@@ -1,3 +1,4 @@
+import * as path from 'path';
 import { sentryVitePlugin } from '@sentry/bundler-plugins/vite';
 import type { Plugin, UserConfig } from 'vite';
 import type { SentryRemixVitePluginOptions } from './types';
@@ -53,8 +54,11 @@ export function makeAddSentryVitePlugin(options: SentryRemixVitePluginOptions):
         // 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`];
+        // Vite resolves `outDir` to an absolute path, so only a relative one may be prefixed with
+        // `./` - `.//abs/path/**/*.map` matches nothing and silently leaves the maps on disk.
+        const outDir = config.build?.outDir?.replace(/\/+$/, '') || 'build';
+        const outDirGlob = path.isAbsolute(outDir) ? outDir : `./${outDir.replace(/^\.\//, '')}`;
+        const filesToDelete = [`${outDirGlob}/**/*.map`];
 
         if (debug) {
           // eslint-disable-next-line no-console

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

@@ -151,6 +151,19 @@ describe('makeAddSentryVitePlugin', () => {
     await expect(capturedOptions?.sourcemaps?.filesToDeleteAfterUpload).resolves.toEqual(['./dist/client/**/*.map']);
   });
 
+  // Vite resolves `outDir` to an absolute path by the time this hook runs, and `.//abs/path` would
+  // match nothing - leaving the maps in the production output.
+  it('does not prefix an absolute 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: '/tmp/app/build/client' } });
+
+    await expect(capturedOptions?.sourcemaps?.filesToDeleteAfterUpload).resolves.toEqual([
+      '/tmp/app/build/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');