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@lobsterkatie lobsterkatie commented Mar 9, 2022

This simplifies the isDebugBuild check used to strip logging from minified bundles in two ways:

  • It makes the return value independent of the value of __SENTRY_BROWSER_BUNDLE__, since we want to be able to have debug and non-debug browser bundles.

  • It switches the variable on which it's based from one preventing debug logging which defaults to being unset to one enabling debug logging which defaults to being true. The effect is the same, but eliminating the double negative makes the intention clearer.

Note: This increases the bundle size because it turns off the fact that we've been unintentionally already stripping some logging from our bundles. (The old flag, __SENTRY_NO_DEBUG__, is set to false in our rollup config, but until this change isDebugBuild() has only been checking for a value (any value), not a truthy value, so setting it to false has had the same effect as setting it to true.) The increase is only temporary, though, as this change is really just prework for an improved debug/no-debug bundle generation system.

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github-actions bot commented Mar 9, 2022

size-limit report

Path Base Size (3784ee1) Current Size Change
@sentry/browser - ES5 CDN Bundle (gzipped + minified) 19.78 KB 20.42 KB +3.24% 🔺
@sentry/browser - ES5 CDN Bundle (minified) 63.33 KB 65.23 KB +3.01% 🔺
@sentry/browser - ES6 CDN Bundle (gzipped + minified) 18.43 KB 19 KB +3.11% 🔺
@sentry/browser - ES6 CDN Bundle (minified) 56.35 KB 58.25 KB +3.36% 🔺
@sentry/browser - Webpack (gzipped + minified) 22.26 KB 22.25 KB -0.07% 🔽
@sentry/browser - Webpack (minified) 76.32 KB 76.26 KB -0.09% 🔽
@sentry/react - Webpack (gzipped + minified) 22.29 KB 22.28 KB -0.07% 🔽
@sentry/nextjs Client - Webpack (gzipped + minified) 46.42 KB 46.4 KB -0.04% 🔽
@sentry/browser + @sentry/tracing - ES5 CDN Bundle (gzipped + minified) 26.67 KB 27.25 KB +2.18% 🔺
@sentry/browser + @sentry/tracing - ES6 CDN Bundle (gzipped + minified) 25 KB 25.61 KB +2.46% 🔺

* `logger` and preventing node-related code from appearing in browser bundles.
*/

declare const __SENTRY_BROWSER_BUNDLE__: boolean | undefined;
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Are we going to do the same for __SENTRY_BROWSER_BUNDLE__?

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Probably it makes sense to do so, yes. That's a future-me problem, though. 🙂

@lobsterkatie lobsterkatie merged commit 21a623b into master Mar 9, 2022
@lobsterkatie lobsterkatie deleted the kmclb-simplify-isDebugBuild branch March 9, 2022 15:01
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3 participants