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feat(angular): Set url attributes on pageload and navigation spans#21985

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Lms24 wants to merge 2 commits into
feat/pageload-url-attrs-basefrom
feat/pageload-url-attrs-angular
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feat(angular): Set url attributes on pageload and navigation spans#21985
Lms24 wants to merge 2 commits into
feat/pageload-url-attrs-basefrom
feat/pageload-url-attrs-angular

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@Lms24

@Lms24 Lms24 commented Jul 6, 2026

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Adjusts the Angular routing instrumentation to set url.template and update url.full and url.path when resolving routes. We not only have to set template (which we can only do in the framework/router-specific instrumentation). We also have to ensure we set full and path again because in the default integration (#21952), we set it to early based on the window location path. So therefore, we update it again in the router instrumentation and re-set the raw URL (but the resolved one).

ref #21921

@Lms24 Lms24 self-assigned this Jul 6, 2026
@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-base branch from 41cc9bd to 3831498 Compare July 6, 2026 13:25
@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-angular branch from 9afa5d7 to 26d8b46 Compare July 6, 2026 13:25
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size-limit report 📦

Path Size % Change Change
@sentry/browser 27.59 kB - -
@sentry/browser - with treeshaking flags 26.03 kB - -
@sentry/browser (incl. Tracing) 46.32 kB +0.17% +74 B 🔺
@sentry/browser (incl. Tracing + Span Streaming) 48.12 kB +0.22% +102 B 🔺
@sentry/browser (incl. Tracing, Profiling) 51.08 kB +0.14% +71 B 🔺
@sentry/browser (incl. Tracing, Replay) 85.61 kB +0.1% +79 B 🔺
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 75.23 kB +0.13% +91 B 🔺
@sentry/browser (incl. Tracing, Replay with Canvas) 90.31 kB +0.09% +80 B 🔺
@sentry/browser (incl. Tracing, Replay, Feedback) 102.97 kB +0.08% +78 B 🔺
@sentry/browser (incl. Feedback) 44.76 kB - -
@sentry/browser (incl. sendFeedback) 32.38 kB - -
@sentry/browser (incl. FeedbackAsync) 37.51 kB - -
@sentry/browser (incl. Metrics) 28.67 kB - -
@sentry/browser (incl. Logs) 28.91 kB - -
@sentry/browser (incl. Metrics & Logs) 29.59 kB - -
@sentry/react 29.38 kB - -
@sentry/react (incl. Tracing) 48.59 kB +0.17% +82 B 🔺
@sentry/vue 33.03 kB - -
@sentry/vue (incl. Tracing) 48.22 kB +0.23% +109 B 🔺
@sentry/svelte 27.61 kB - -
CDN Bundle 30 kB - -
CDN Bundle (incl. Tracing) 48.32 kB +0.17% +79 B 🔺
CDN Bundle (incl. Logs, Metrics) 31.57 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 49.63 kB +0.19% +92 B 🔺
CDN Bundle (incl. Replay, Logs, Metrics) 70.81 kB - -
CDN Bundle (incl. Tracing, Replay) 85.8 kB +0.07% +60 B 🔺
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 87.11 kB +0.09% +72 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback) 91.61 kB +0.1% +86 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 92.89 kB +0.08% +72 B 🔺
CDN Bundle - uncompressed 89.35 kB - -
CDN Bundle (incl. Tracing) - uncompressed 146.09 kB +0.1% +135 B 🔺
CDN Bundle (incl. Logs, Metrics) - uncompressed 94.05 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 150.07 kB +0.1% +135 B 🔺
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 218.75 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 265.26 kB +0.06% +135 B 🔺
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 269.22 kB +0.06% +135 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 278.96 kB +0.05% +135 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 282.91 kB +0.05% +135 B 🔺
@sentry/nextjs (client) 51 kB +0.12% +57 B 🔺
@sentry/sveltekit (client) 46.73 kB +0.17% +77 B 🔺
@sentry/core/server 78.38 kB - -
@sentry/core/browser 64.72 kB - -
@sentry/node-core 63.21 kB - -
@sentry/node 123.75 kB - -
@sentry/node (incl. diagnostics channel injection) 129.69 kB +0.01% +1 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 69.95 kB - -
@sentry/node/light 50.72 kB - -
@sentry/node - without tracing 74.82 kB - -
@sentry/aws-serverless 85.59 kB -0.01% -1 B 🔽
@sentry/cloudflare (withSentry) - minified 181.68 kB - -
@sentry/cloudflare (withSentry) 449.39 kB - -

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@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-angular branch from 26d8b46 to d7ce684 Compare July 6, 2026 13:46
@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-base branch from 3831498 to 2ad4840 Compare July 6, 2026 13:46
@Lms24 Lms24 marked this pull request as ready for review July 6, 2026 14:09
@Lms24 Lms24 requested a review from a team as a code owner July 6, 2026 14:09
@Lms24 Lms24 requested review from chargome, mydea and s1gr1d and removed request for a team July 6, 2026 14:09
data: {
'sentry.origin': 'auto.pageload.angular',
'sentry.source': 'route',
'url.template': '/home/',

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q: We always want trailing slashes for this?

@Lms24 Lms24 Jul 6, 2026

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I think we generally don't want trailing slashes, but since url.template should ideally be 100% the same as the current span description (to avoid any filtering/grouping changes in the product) I'll take it for now. We're consistent because:

  • if we get a parameterized url, both url.template and span.description have a trailing slash
  • if we don't get a paramterized url, url.template isn't set, url.path has no trailing slash and neither does span.description.

Not great but I think it's fine. We could adjust our instrumentation in a major to no longer set trailing slashes for paramterized routes but I'd say it's logaf-l

Comment on lines +71 to 91
const locationOrigin = WINDOW.location?.origin;
let urlFull = url;
let urlPath = url;
if (locationOrigin) {
try {
const parsed = new URL(url, locationOrigin);
urlFull = parsed.href;
urlPath = parsed.pathname;
} catch {
// fall back to the raw string
}
}

span.setAttributes({
[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN]: `auto.${op}.angular`,
[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE]: 'route',
[URL_FULL]: urlFull,
[URL_PATH]: urlPath,
[URL_TEMPLATE]: route,
});
}

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This is pretty verbose and probably adds to bundle size. Maybe, you could write something like this:

let href, pathname;
try {
  ({ href, pathname } = new URL(url, WINDOW.location?.origin));
} catch {}
span.setAttributes({
  [URL_FULL]: href ?? url,
  [URL_PATH]: pathname ?? url,
});

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Good point, thx for raising! I have an optimization lined up for this in the PR on top of the stack: #21953

We have a recurring need to get an absolute from a relative URL, so I extracted a helper for this. Right now my thinking is that I'll extract framework-by-framework changes form the top of stack and use the last PR to clean up stuff.

@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-base branch from 2ad4840 to 8832da5 Compare July 7, 2026 09:05
@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-angular branch from d7ce684 to 76f14ee Compare July 7, 2026 09:05

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

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@Lms24 Lms24 changed the title feat(angular): Set url attributes on pageload and navigation spans feat(angular): Set url attributes on pageload and navigation spans Jul 7, 2026
Lms24 and others added 2 commits July 7, 2026 15:51
Add url.full, url.path, and url.template to Angular tracing spans,
resolve relative router URLs against the current origin, and extend
e2e performance tests to assert the new attributes.

Co-Authored-By: Cursor <cursoragent@cursor.com>
@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-angular branch from 76f14ee to 212546b Compare July 7, 2026 13:51
@Lms24 Lms24 force-pushed the feat/pageload-url-attrs-base branch from 8832da5 to 67c4c14 Compare July 7, 2026 13:51
Comment on lines +72 to +81
let urlFull = url;
let urlPath = url;
if (locationOrigin) {
try {
const parsed = new URL(url, locationOrigin);
urlFull = parsed.href;
urlPath = parsed.pathname;
} catch {
// fall back to the raw string
}

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Bug: In SSR environments, the url.full span attribute is incorrectly set to a relative path because WINDOW.location.origin is unavailable.
Severity: MEDIUM

Suggested Fix

Update _updateSpanAttributesForParametrizedUrl to only set the url.full attribute if an absolute URL can be constructed. If WINDOW.location.origin is not available, the attribute should not be set, preventing a relative path from being used. This aligns with the behavior in other parts of the codebase, such as packages/browser/src/tracing/utils.ts.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.

Location: packages/angular/src/tracing.ts#L72-L81

Potential issue: In Server-Side Rendering (SSR) environments where
`WINDOW.location.origin` is unavailable, the `_updateSpanAttributesForParametrizedUrl`
function incorrectly sets the `url.full` span attribute to a relative path instead of an
absolute URL. The code falls back to the raw URL when `WINDOW.location?.origin` is
falsy, which is common in Node.js environments. This violates the semantic contract of
the `url.full` attribute, which is expected to be a complete URL. This issue occurs
because the `TraceService` is initialized and subscribes to router events during SSR, a
legitimate use case for Angular applications.

Did we get this right? 👍 / 👎 to inform future reviews.

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3 participants