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feat(bun): Inject debug IDs and upload source maps in sentryBunPlugin - #25670
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isaacs merged 4 commits intoOct 23, 2026
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size-limit report 📦Compared: 4aae7eb (PR test merge using develop at 2a53357) Against: 2a53357 (develop) · base run #63509 ✅ Baseline matches: this diff contains only this PR's changes.
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`sentryBunPlugin` only ran the orchestrion transform. To get readable stack traces, Bun users had to run `sentry sourcemap inject` and `upload` after the build and set the release themselves. `@sentry/bundler-plugins/bun` is a new adapter that takes the same options as the esbuild plugin. `@sentry/bun/plugin` now combines it with the orchestrion transform, the same way `@sentry/node/esbuild` does. Bun computes the debug ID of each output only after it adds the banner, and writes it as `//# debugId=` into the bundle and its source map. So the banner holds the debug ID snippet with a placeholder of the same length. When the build ends, the plugin replaces the placeholder with the ID that Bun wrote into the file. The source map stays valid, and chunks get a debug ID too. Then the plugin uploads the bundles through the shared upload code. The plugin injects debug IDs only when Bun writes source maps to `outdir`. In memory builds have no files to change. When Bun runs the plugin as a runtime plugin, it has no build config, and the plugin does nothing, as before. Fixes #25618 Fixes JS-3983 Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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sentryBunPluginonly ran the orchestrion transform. To get readable stack traces, Bun users had to runsentry sourcemap injectanduploadafter the build and set the release themselves.@sentry/bundler-plugins/bunis a new adapter that takes the same options as the esbuild plugin.@sentry/bun/pluginnow combines it with the orchestrion transform, the same way@sentry/node/esbuilddoes.Bun computes the debug ID of each output only after it adds the banner, and writes it as
//# debugId=into the bundle and its source map. So the banner holds the debug ID snippet with a placeholder of the same length. When the build ends, the plugin replaces the placeholder with the ID that Bun wrote into the file. The source map stays valid, and chunks get a debug ID too. Then the plugin uploads the bundles through the shared upload code.The plugin injects debug IDs only when Bun writes source maps to
outdir. In memory builds have no files to change. When Bun runs the plugin as a runtime plugin, it has no build config, and the plugin does nothing, as before.Fixes #25618
Fixes JS-3983