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feat(remix): Delete source maps through the bundler plugin instead of a glob - #26332

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feat/remix-delete-sourcemaps-after-upload
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feat/remix-delete-sourcemaps-after-upload

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@timfish

@timfish timfish commented Nov 13, 2026 •

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When the app set no build.sourcemap, the Remix SDK turned on hidden source maps and then deleted them with an <outDir>/**/*.map glob for the client and the server build. It now passes deleteSourcemapsAfterUpload: true and the internal sdkEnabledSourceMaps flag to the bundler plugin for those builds. The plugin then removes the maps before Vite writes them, also when no upload runs. The SDK only knows that it turned maps on in its own config hook, after it created the bundler plugin, so it passes both options as functions, and its enable plugin now runs before the bundler plugin's config hook.

Maps the user turned on stay, as before. With disable: 'disable-upload' the maps also stay, so the user can upload them by hand. A user's own filesToDeleteAfterUpload is passed through and runs as well, as before. One difference: the old glob deleted every .map file in the output directory, but the plugin removes only maps the build emitted, so .map files copied from public/ now stay. The remix-sourcemaps E2E app gets a no-upload variant that asserts no maps and no sourceMappingURL comments in build. This depends on #26281.

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github-actions Bot commented Nov 13, 2026 •

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size-limit report 📦

Compared: 30d4ddb (PR test merge using develop at 9279303)

Against: 9279303 (develop) · base run #66015

✅ Baseline matches: this diff contains only this PR's changes.

Path Size % Change Change
@sentry/browser 30.1 kB - -
@sentry/browser - with treeshaking flags 28.3 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 28.2 kB - -
@sentry/browser (incl. Tracing) 52.28 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 52.29 kB - -
@sentry/browser (incl. Tracing, Profiling) 55.25 kB - -
@sentry/browser (incl. Tracing, Replay) 92.82 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 81.6 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 97.21 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 110.6 kB - -
@sentry/browser (incl. Feedback) 47.73 kB - -
@sentry/browser (incl. sendFeedback) 30.69 kB - -
@sentry/browser (incl. FeedbackAsync) 35.69 kB - -
@sentry/browser (incl. Metrics) 31.43 kB - -
@sentry/browser (incl. Logs) 31.71 kB - -
@sentry/browser (incl. Metrics & Logs) 32.37 kB - -
@sentry/react 32.11 kB - -
@sentry/react (incl. Tracing) 54.95 kB - -
@sentry/vue 38.3 kB - -
@sentry/vue (incl. Tracing) 55.24 kB - -
@sentry/svelte 30.12 kB - -
@sentry/remix (Remix 3 client bundle) 58.06 kB - -
CDN Bundle 31.87 kB - -
CDN Bundle (incl. Tracing) 52.7 kB - -
CDN Bundle (incl. Logs, Metrics) 34.67 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 55.26 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 75.7 kB - -
CDN Bundle (incl. Tracing, Replay) 90.72 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 93.33 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 96.09 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 98.69 kB - -
CDN Bundle - uncompressed 92.98 kB - -
CDN Bundle (incl. Tracing) - uncompressed 155.45 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 101.33 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 163.08 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 231.43 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 275.6 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 283.23 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 287.39 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 295.01 kB - -
@sentry/nextjs (client) 58.34 kB - -
@sentry/sveltekit (client) 53.46 kB - -
@sentry/core/server 44.57 kB - -
@sentry/core/browser 13.99 kB - -
@sentry/node 149.54 kB -0.01% -2 B 🔽
@sentry/node/import (ESM hook with diagnostics-channel injection) 83.3 kB - -
@sentry/node - without tracing 88.47 kB -0.01% -8 B 🔽
@sentry/node - without channel injection 138.5 kB -0.01% -3 B 🔽
@sentry/aws-serverless 97.39 kB -0.01% -8 B 🔽
@sentry/cloudflare (withSentry) - minified 204.55 kB - -
@sentry/cloudflare (withSentry) 474.76 kB - -
@sentry/nextjs/cloudflare (withSentry) - minified 229.86 kB - -

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@timfish
timfish force-pushed the feat/remix-delete-sourcemaps-after-upload branch from 63b2997 to dec1d10 Compare November 13, 2026 11:34
Base automatically changed from feat/bundler-plugins-delete-without-upload to develop November 13, 2026 13:49
@timfish
timfish force-pushed the feat/remix-delete-sourcemaps-after-upload branch from dec1d10 to 5eab8cf Compare November 13, 2026 13:53

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