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ref(core): Make spanStreamingIntegration tree-shakeable via __SENTRY_TRACING__ flag - #22835

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ref(core): Make spanStreamingIntegration tree-shakeable via __SENTRY_TRACING__ flag #22835
Lms24 wants to merge 1 commit into
feat/before-send-span-streamed-defaultfrom
feat/span-streaming-tree-shaking

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@Lms24

@Lms24 Lms24 commented Jul 29, 2026 •
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Guards the automatic spanStreamingIntegration push behind __SENTRY_TRACING__ so that bundlers and CDN builds which compile tracing out can actually drop the integration. This should remove ~2KB of gzipped dead code for anyone who doesn't care about tracing.

TODO: Add a size check for a __SENTRY_TRACING__: false build

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size-limit report 📦

Path Size % Change Change
@sentry/browser 29.96 kB +0.17% +49 B 🔺
@sentry/browser - with treeshaking flags 28.14 kB +0.1% +27 B 🔺
@sentry/browser (incl. Tracing) 47.39 kB +0.08% +37 B 🔺
@sentry/browser (incl. Tracing + Span Streaming) 47.42 kB +0.14% +65 B 🔺
@sentry/browser (incl. Tracing, Profiling) 52.18 kB +0.1% +50 B 🔺
@sentry/browser (incl. Tracing, Replay) 86.74 kB +0.06% +48 B 🔺
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 76.17 kB +0.06% +45 B 🔺
@sentry/browser (incl. Tracing, Replay with Canvas) 91.47 kB +0.07% +58 B 🔺
@sentry/browser (incl. Tracing, Replay, Feedback) 104.14 kB +0.09% +91 B 🔺
@sentry/browser (incl. Feedback) 47.26 kB +0.1% +43 B 🔺
@sentry/browser (incl. sendFeedback) 34.79 kB +0.11% +37 B 🔺
@sentry/browser (incl. FeedbackAsync) 39.9 kB +0.1% +36 B 🔺
@sentry/browser (incl. Metrics) 31.04 kB +0.16% +49 B 🔺
@sentry/browser (incl. Logs) 31.27 kB +0.16% +47 B 🔺
@sentry/browser (incl. Metrics & Logs) 31.94 kB +0.15% +47 B 🔺
@sentry/react 31.77 kB +0.14% +44 B 🔺
@sentry/react (incl. Tracing) 49.67 kB +0.14% +65 B 🔺
@sentry/vue 35.04 kB +0.2% +68 B 🔺
@sentry/vue (incl. Tracing) 49.4 kB +0.12% +56 B 🔺
@sentry/svelte 29.99 kB +0.19% +55 B 🔺
CDN Bundle 32.01 kB +0.04% +10 B 🔺
CDN Bundle (incl. Tracing) 47.73 kB +0.03% +13 B 🔺
CDN Bundle (incl. Logs, Metrics) 33.56 kB +0.03% +7 B 🔺
CDN Bundle (incl. Tracing, Logs, Metrics) 49.09 kB +0.04% +17 B 🔺
CDN Bundle (incl. Replay, Logs, Metrics) 72.9 kB +0.01% +7 B 🔺
CDN Bundle (incl. Tracing, Replay) 85.36 kB +0.02% +10 B 🔺
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 86.65 kB +0.01% +5 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback) 91.16 kB +0.03% +20 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 92.46 kB +0.02% +11 B 🔺
CDN Bundle - uncompressed 95.44 kB -0.06% -54 B 🔽
CDN Bundle (incl. Tracing) - uncompressed 143.05 kB -0.02% -27 B 🔽
CDN Bundle (incl. Logs, Metrics) - uncompressed 100.15 kB -0.06% -54 B 🔽
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 147.03 kB -0.02% -27 B 🔽
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 224.91 kB -0.03% -54 B 🔽
CDN Bundle (incl. Tracing, Replay) - uncompressed 262.31 kB -0.02% -27 B 🔽
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 266.27 kB -0.02% -27 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 276.01 kB -0.01% -27 B 🔽
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 279.97 kB -0.01% -27 B 🔽
@sentry/nextjs (client) 52.24 kB +0.09% +42 B 🔺
@sentry/sveltekit (client) 47.86 kB +0.14% +64 B 🔺
@sentry/core/server 80.08 kB +0.09% +70 B 🔺
@sentry/core/browser 52.01 kB +0.1% +47 B 🔺
@sentry/node 120.94 kB +0.05% +58 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 0 B added added
@sentry/node - without tracing 83.54 kB -0.85% -716 B 🔽
@sentry/aws-serverless 92.98 kB +0.07% +61 B 🔺
@sentry/cloudflare (withSentry) - minified 219.37 kB +0.02% +31 B 🔺
@sentry/cloudflare (withSentry) 540.44 kB +0.01% +3 B 🔺

View base workflow run

@Lms24 Lms24 changed the title ref(core): Tree-shake spanStreamingIntegration when tracing is disabled ref(core): Make spanStreamingIntegration tree-shakeable via __SENTRY_TRACING__ flag Jul 29, 2026
@Lms24 Lms24 changed the title ref(core): Make spanStreamingIntegration tree-shakeable via __SENTRY_TRACING__ flag ref(core): Make spanStreamingIntegration tree-shakeable via __SENTRY_TRACING__ flag Jul 29, 2026
@Lms24
Lms24 force-pushed the feat/span-streaming-tree-shaking branch from 962dbc1 to 7de446c Compare July 29, 2026 15:37
@Lms24
Lms24 force-pushed the feat/span-streaming-tree-shaking branch from 7de446c to 74a1167 Compare August 3, 2026 12:58
@Lms24 @claude
ref(core): Tree-shake spanStreamingIntegration when tracing is disa…
ee4761d 
…bled

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
@Lms24
Lms24 force-pushed the feat/span-streaming-tree-shaking branch from 74a1167 to ee4761d Compare August 3, 2026 14:31
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