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684e837758
Historically we've had to be VERY cautious about the way we import things between entry-points. That is because the `ng_package` rule bundling is subject to silently introducing code duplication, breaking singletons etc. We've had this surface a couple of times already, and dev-infra tried to help detect such cases by adding safety analysis into `ng_package`. Long-term we want to get to an approach where it's easy to simply share code between chunks. Precisely, with the upcoming `rules_js` migration, this will be necessary as we will have different import "guidelines" that would currently, before this commit, result in code duplication, or trigger our "safety check/lint". This commit prepares `ng_package` to support relative imports between entry-points, so that we only need the safety check for cross-package imports/exports. The result is that `ng_package`/APF is now smartly able to generate shared chunks for things that are needed between multiple entry-points. Yay! Note that those shared chunks still remain private, and are guarded by our `package.json` "exports"; so no new public API surface is exposed. PR Close #60241 |
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