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ref(browser): Simplify TraceKit parser and reorganize tests #4514

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merged 1 commit into from
Feb 10, 2022

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timfish
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@timfish timfish commented Feb 7, 2022

Refactors and reorganises typekit unit tests:

  • Categorised tests per platform/target/framework rather than original/custom
  • Ensures parse results are tested against the full result object including message and name which were previously not checked
  • Moved stack strings into individual test so it's easier to visually compare to the output

Makes a few simplifications to tracekit parser including:

  • Remove unused parsed function args
  • Move address at stripping to the Chrome regex
  • Remove use in Firefox of error.columnNumber since it's not used and even the original typekit tests expect what appears in the stack string

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timfish commented Feb 8, 2022

Guessing these code analysis results are false positives since it's highlighting regexes that I haven't even modified?

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Guessing these code analysis results are false positives since it's highlighting regexes that I haven't even modified?

It might be that CodeQL only scans code that was changed (and tracekit regex hasn’t been moved for a while). I’ll mark as false positive for now.

@AbhiPrasad AbhiPrasad changed the title Refactor typekit tests and minor simplifications ref(browser): Simplify TraceKit parser and reorganize tests Feb 9, 2022
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Seems to have ~0.7% difference in minified, non-gzipped bundle (which is what we are focusing on)

@sentry/browser - CDN Bundle (gzipped)
Size limit: 100 KB
Size:       19.63 KB with all dependencies, minified and gzipped

@sentry/browser - CDN Bundle (minified)
Size limit: 120 KB
Size:       62.75 KB with all dependencies and minified

@sentry/browser - Webpack
Size limit: 100 KB
Size:       22.16 KB with all dependencies, minified and gzipped

@sentry/browser - Webpack - gzip = false
Size limit: 100 KB
Size:       75.87 KB with all dependencies and minified

@sentry/react - Webpack
Size limit: 100 KB
Size:       22.19 KB with all dependencies, minified and gzipped

@sentry/nextjs Client - Webpack
Size limit: 100 KB
Size:       46.26 KB with all dependencies, minified and gzipped

@sentry/browser + @sentry/tracing - CDN Bundle (gzipped)
Size limit: 100 KB
Size:       28.18 KB with all dependencies, minified and gzipped

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I'm gonna tag @kamilogorek for a review for some added confidence.

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LGTM! We have all custom made changes covered with tests, so I trust them just fine.

@AbhiPrasad AbhiPrasad merged commit b476532 into getsentry:master Feb 10, 2022
@AbhiPrasad AbhiPrasad added this to the Treeshaking / Bundle Size milestone Feb 10, 2022
@timfish timfish mentioned this pull request Feb 10, 2022
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@timfish timfish deleted the easy-wins branch February 11, 2022 17:10
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3 participants