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feat: Initial tracing setup (peer deps + utils) #13899

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feat: Initial tracing setup (peer deps + utils) #13899

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elliott-with-the-longest-name-on-github
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@elliott-with-the-longest-name-on-github elliott-with-the-longest-name-on-github commented Jun 17, 2025 •
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Adds @opentelemetry/api@^1.0.0 as an optional peer dependency of SvelteKit, and adds some utility functions we'll use to add first-party tracing support.

As of this PR, adding @opentelemetry/api to your project will do nothing.

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elliott-with-the-longest-name-on-github commented Jun 17, 2025 •
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@elliott-with-the-longest-name-on-github elliott-with-the-longest-name-on-github marked this pull request as ready for review June 17, 2025 21:17
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@elliott-with-the-longest-name-on-github elliott-with-the-longest-name-on-github changed the base branch from 06-17-chore_add_universal_ids_to_client_nodes to graphite-base/13899 June 18, 2025 22:53
@elliott-with-the-longest-name-on-github elliott-with-the-longest-name-on-github changed the base branch from graphite-base/13899 to main June 18, 2025 22:53
andreiborza
andreiborza approved these changes Jul 7, 2025
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This looks good to me. As discussed on Slack, it might be nice if users had the ability to modify the root span (e.g. via a requestHook).

Lms24
Lms24 approved these changes Jul 8, 2025
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Nice! Thanks a lot for adding this!

Just had a minor concern about performance of dynamically importing @opentelemetry/api multiple times but I think overall, the implementation is great!

Lms24
Lms24 reviewed Jul 9, 2025
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packages/kit/src/runtime/telemetry/record_span.js Outdated
Comment on lines 33 to 38
span.recordException({
name: 'HttpError',
message: error.body.message
});
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@Lms24 Lms24 Jul 9, 2025 •
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does a HttpError also have a stack? If so, would be cool to also record the stack trace.

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@Lms24 Lms24 Jul 9, 2025 •
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Furthermore, I'm not 100% sure if this applies here but in our SDK, when we capture HttpErrors, we ignore 4xx errors because usually you don't want to record exceptions for bad requests, 404s, etc. Might be worth a thought if they are valuable or too noisy but happy to leave the call up to you!

https://github.com/getsentry/sentry-javascript/blob/8beaa4ea602d3517c272f07b8546325059bcfc21/packages/sveltekit/src/client/load.ts#L23-L38

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Yeah, lemme think about this one -- not sure if we should just exclude all 400s or give users the ability to filter status codes. My initial feeling is just exclude 400s and see if anyone ever asks for the ability to see them

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@Lms24 Lms24 Lms24 approved these changes

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