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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: 3116728 (PR test merge using develop at 980a284)

Against: e17a480 (develop) · base run #63967

⚠️ 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 980a284 finishes.

Path Size % Change Change
@sentry/browser 30.34 kB - -
@sentry/browser - with treeshaking flags 28.46 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 28.35 kB - -
@sentry/browser (incl. Tracing) 52.61 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 52.62 kB - -
@sentry/browser (incl. Tracing, Profiling) 55.54 kB - -
@sentry/browser (incl. Tracing, Replay) 92.81 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 81.43 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 97.54 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 110.52 kB - -
@sentry/browser (incl. Feedback) 47.9 kB - -
@sentry/browser (incl. sendFeedback) 35.41 kB - -
@sentry/browser (incl. FeedbackAsync) 40.52 kB - -
@sentry/browser (incl. Metrics) 31.35 kB - -
@sentry/browser (incl. Logs) 31.63 kB - -
@sentry/browser (incl. Metrics & Logs) 32.31 kB - -
@sentry/react 32.16 kB - -
@sentry/react (incl. Tracing) 54.89 kB - -
@sentry/vue 38.61 kB - -
@sentry/vue (incl. Tracing) 55.5 kB - -
@sentry/svelte 30.37 kB - -
@sentry/remix (Remix 3 client bundle) 57.65 kB - -
CDN Bundle 32.07 kB - -
CDN Bundle (incl. Tracing) 53.1 kB - -
CDN Bundle (incl. Logs, Metrics) 34.27 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 55.05 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 75.69 kB - -
CDN Bundle (incl. Tracing, Replay) 91.23 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 93.17 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 97.36 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 99.34 kB - -
CDN Bundle - uncompressed 94.31 kB - -
CDN Bundle (incl. Tracing) - uncompressed 157.3 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 100.86 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 163.27 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 232.36 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 278.93 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 284.88 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 292.63 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 298.58 kB - -
@sentry/nextjs (client) 57.75 kB - -
@sentry/sveltekit (client) 53.06 kB - -
@sentry/core/server 44.29 kB - -
@sentry/core/browser 13.95 kB - -
@sentry/node 155 kB +0.01% +10 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 81.62 kB - -
@sentry/node - without tracing 95.72 kB +0.01% +9 B 🔺
@sentry/node - without channel injection 135.61 kB +0.01% +7 B 🔺
@sentry/aws-serverless 103.89 kB +0.01% +8 B 🔺
@sentry/cloudflare (withSentry) - minified 197.89 kB - -
@sentry/cloudflare (withSentry) 491.82 kB - -
@sentry/nextjs/cloudflare (withSentry) - minified 218.47 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

Some optional checks were not successful. They do not block the merge. 2 not successful, 65 successful. See the run.

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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
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch 2 times, most recently from 3885821 to 62b848d Compare October 27, 2026 16:25
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from 62b848d to f5d5367 Compare October 27, 2026 16:32
@timfish
timfish marked this pull request as ready for review October 27, 2026 18:02

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Comment thread packages/bundler-plugins/src/esbuild/index.ts Outdated
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from f5d5367 to ba5d8ca Compare October 28, 2026 12:15
@timfish
timfish requested review from a team as code owners October 28, 2026 12:15
@timfish
timfish requested review from isaacs, logaretm, msonnb, mydea and nicohrubec and removed request for a team October 28, 2026 12:15
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from ba5d8ca to 6f13518 Compare October 28, 2026 12:33
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from 6f13518 to 49ec306 Compare October 28, 2026 12:54
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-esbuild branch from 49ec306 to 461053b Compare October 28, 2026 13:04
…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 461053b to 5dce621 Compare October 28, 2026 14:49

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