feat(nextjs): Use compiler hook for uploading turbopack sourcemaps #17352
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node-overhead report 🧳Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
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chargome
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Sep 2, 2025
chargome
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chargome
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andreiborza
reviewed
Sep 3, 2025
Co-authored-by: Andrei <168741329+andreiborza@users.noreply.github.com>
Co-authored-by: Andrei <168741329+andreiborza@users.noreply.github.com>
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Lms24
reviewed
Sep 3, 2025
Comment on lines
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| if (isTurbopackSupported && isTurbopack && !userSentryOptions.sourcemaps?.disable) { | ||
| // Only set if not already configured by user | ||
| if (incomingUserNextConfigObject.productionBrowserSourceMaps === undefined) { | ||
| // eslint-disable-next-line no-console | ||
| console.log('[@sentry/nextjs] Automatically enabling browser source map generation for turbopack build.'); | ||
| incomingUserNextConfigObject.productionBrowserSourceMaps = true; | ||
| } | ||
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| // Enable source map deletion if not explicitly disabled | ||
| if (userSentryOptions.sourcemaps?.deleteSourcemapsAfterUpload === undefined) { | ||
| // eslint-disable-next-line no-console | ||
| console.warn( | ||
| '[@sentry/nextjs] Source maps will be automatically deleted after being uploaded to Sentry. If you want to keep the source maps, set the `sourcemaps.deleteSourcemapsAfterUpload` option to false in `withSentryConfig()`. If you do not want to generate and upload sourcemaps at all, set the `sourcemaps.disable` option to true.', | ||
| ); | ||
| userSentryOptions.sourcemaps = { | ||
| ...userSentryOptions.sourcemaps, | ||
| deleteSourcemapsAfterUpload: true, | ||
| }; | ||
| } | ||
| } |
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two questions:
- is there a way to set
productionBrowserSourceMaps = 'hidden'(or something similar) rather thantrue - So far, our strategy was to delete source maps only if we enabled them. Can we do this here as well? Or would this diverge from current behaviour in NextJS?
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The only way to enable/disable client-side sourcemaps for turbopack is productionBrowserSourceMaps (boolean)
The only way to disable all sourcemaps for turbopack is nextConfig.experimental.turbopackSourceMaps: false
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Updated the logic to only delete the sourcemaps automatically if we enabled them ✅
Lms24
approved these changes
Sep 4, 2025
This was referenced Sep 8, 2025
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Makes use of the runAfterProductionCompile hook to handle sourcemap upload logic.
When activated by setting
_experimental.useRunAfterProductionCompileHook trueinwithSentryConfigwe apply the following logic:Webpack: we disable sourcemap uploads and release creation in the webpack plugin and instead handle these in `runAfterProductionCompile. We do keep the debugId injection in the plugin though.We'll do that in a follow up, webpack stays as is in this PR.Additionally we handle automatic enabling of source maps for turbopack in this PR.
productionBrowserSourceMaps: truein the Next options. We do that if not explicitly disabled.nextConfig.experimental.turbopackSourceMaps: falsecan theoretically be set by the user to disable all sourcemaps, but we don't really want to do anything different in this case.