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feat(bundler-plugins): Enable external source maps and delete them after upload in the esbuild plugin - #25648

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feat/bundler-plugins-delete-sourcemaps-webpackfrom
feat/bundler-plugins-delete-sourcemaps-esbuild
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timfish wants to merge 1 commit into
feat/bundler-plugins-delete-sourcemaps-webpackfrom
feat/bundler-plugins-delete-sourcemaps-esbuild

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@timfish

@timfish timfish commented Oct 22, 2026 •

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Part of the stack for #25609. esbuild writes its output before onEnd runs and has no hook to drop an output, so the plugin sets sourcemap: 'external' when the setting is unset and deletes the .map outputs listed in the metafile after a successful upload. When the upload fails the maps stay, with an error log.

The metafile lists outputs relative to absWorkingDir, while the upload globbed them from the process working directory, so builds with an absWorkingDir elsewhere uploaded nothing. The paths are now resolved against absWorkingDir first.

@timfish
timfish added this pull request to stack #25649 October 22, 2026 10:47
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github-actions Bot commented Oct 22, 2026 •

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size-limit report 📦

Compared: 123673e (PR test merge using develop at 5917ff0)

Against: 8042719 (develop) · base run #63102

⚠️ Baseline mismatch: 8 develop commit(s) in the PR build are missing from the baseline. Their size changes also affect this comparison. Compare commits. Re-run once develop's baseline build for 5917ff0 finishes.

Path Size % Change Change
@sentry/browser 29.91 kB - -
@sentry/browser - with treeshaking flags 28.05 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 27.95 kB - -
@sentry/browser (incl. Tracing) 52.1 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 52.1 kB - -
@sentry/browser (incl. Tracing, Profiling) 55.05 kB - -
@sentry/browser (incl. Tracing, Replay) 91.85 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 80.72 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 96.58 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 109.52 kB - -
@sentry/browser (incl. Feedback) 47.42 kB - -
@sentry/browser (incl. sendFeedback) 34.97 kB - -
@sentry/browser (incl. FeedbackAsync) 40.07 kB - -
@sentry/browser (incl. Metrics) 30.93 kB - -
@sentry/browser (incl. Logs) 31.21 kB - -
@sentry/browser (incl. Metrics & Logs) 31.84 kB - -
@sentry/react 31.74 kB - -
@sentry/react (incl. Tracing) 54.42 kB - -
@sentry/vue 38.07 kB - -
@sentry/vue (incl. Tracing) 55.03 kB - -
@sentry/svelte 29.93 kB - -
@sentry/remix (Remix 3 client bundle) 57.11 kB - -
CDN Bundle 31.67 kB - -
CDN Bundle (incl. Tracing) 52.61 kB - -
CDN Bundle (incl. Logs, Metrics) 33.87 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 54.55 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 74.79 kB - -
CDN Bundle (incl. Tracing, Replay) 90.28 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 92.21 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 96.42 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 98.37 kB - -
CDN Bundle - uncompressed 93.29 kB - -
CDN Bundle (incl. Tracing) - uncompressed 156.14 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 99.84 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 162.11 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 229.88 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 276.31 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 282.26 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 290.01 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 295.96 kB - -
@sentry/nextjs (client) 57.31 kB - -
@sentry/sveltekit (client) 52.48 kB - -
@sentry/core/server 41.85 kB - -
@sentry/core/browser 13.81 kB - -
@sentry/node 152.96 kB - -
@sentry/node/import (ESM hook with diagnostics-channel injection) 81.58 kB - -
@sentry/node - without tracing 94.57 kB - -
@sentry/node - without channel injection 133.6 kB +0.01% +2 B 🔺
@sentry/aws-serverless 102.74 kB - -
@sentry/cloudflare (withSentry) - minified 191.69 kB - -
@sentry/cloudflare (withSentry) 476.34 kB - -
@sentry/nextjs/cloudflare (withSentry) - minified 212.65 kB - -

View base workflow run

@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from 0d05fc7 to 73fee34 Compare October 22, 2026 10:57
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github-actions Bot commented Oct 22, 2026 •

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Optional E2E tests

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@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from 73fee34 to 4040760 Compare October 22, 2026 11:13
…ter upload in the esbuild plugin

esbuild writes its output before `onEnd` runs and has no hook to drop
an output, so the maps are deleted from disk after a successful upload
instead. When the upload fails they stay, with an error log.
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from 4040760 to 3885821 Compare October 22, 2026 11:49

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