set parent context of full page loads from traceparent meta - Githubissues

bugsnag / bugsnag-js-performance

Monitor the performance of your JavaScript (web and React Native) and see the results in your BugSnag dashboard.

https://docs.bugsnag.com/performance/integration-guides

MIT License

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set parent context of full page loads from traceparent meta #446

Closed djskinner closed 1 month ago

djskinner commented 2 months ago

Goal

Aligning with the existing OpenTelemetry advice for this response propagation, we will use a meta tag in the page HTML, with name="traceparent" and content as the standard traceparent string to extract traceparent and set the traceid and root span parentid accordingly.

Design

in the full page load plugin: If the traceparent meta tag is present in the HTML document, parse it and use it as the parentContext when creating the full page load span

Testing

unit tests
e2e tests

github-actions[bot] commented 2 months ago

Browser bundle size

NPM build

	Package
Before	`187.76 kB`
After	`188.88 kB`
±	`+1,116 bytes` ⚠️

CDN build

	Unminified	Minfied	Minified + gzipped
Before	`94.13 kB`	`35.31 kB`	`10.68 kB`
After	`94.81 kB`	`35.55 kB`	`10.77 kB`
±	`+675 bytes` ⚠️	`+238 bytes` ⚠️	`+94 bytes` ⚠️

Code coverage

Coverage values did not change👌.

Total:

Lines	Branches	Functions	Statements
87.22%(+0.06%)	78.89%(+0.19%)	87.99%(+0.03%)	84.03%(+0.07%)

Generated against 791f3fa1e29df92ead98a565e3dc2bdb600d83f0 on 15 May 2024 at 08:39:57 UTC