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fix(core): make sure that lifecycle hooks are not tracked #49701

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pkozlowski-opensource
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Angular lifecycle hooks should never be run as part of the reactive context: we do not expect that signal reads in lifecycle hooks report to any consumers.

In the current Angular some of the lifecycle hooks can be flushed early, while executing template update pass. We need to make sure that signal reads in those lifecycle hooks do not register as part of the effect that marks components for check.

@pkozlowski-opensource pkozlowski-opensource added area: core Issues related to the framework runtime target: major This PR is targeted for the next major release labels Apr 4, 2023
@ngbot ngbot bot modified the milestone: Backlog Apr 4, 2023
@pkozlowski-opensource pkozlowski-opensource added the action: review The PR is still awaiting reviews from at least one requested reviewer label Apr 4, 2023
@pkozlowski-opensource pkozlowski-opensource marked this pull request as ready for review April 4, 2023 14:05
packages/core/src/render3/hooks.ts Show resolved Hide resolved
Angular lifecycle hooks should never be run as part of the reactive
context: we do not expect that signal reads in lifecycle hooks
report to any consumers.

In the current Angular some of the lifecycle hooks can be flushed
early, while executting template update pass. We need to make sure
that signal reads in those lifecycle hooks do not register as part
of the effect that marks components for check.
"
@pkozlowski-opensource pkozlowski-opensource added action: merge The PR is ready for merge by the caretaker merge: caretaker note Alert the caretaker performing the merge to check the PR for an out of normal action needed or note and removed action: review The PR is still awaiting reviews from at least one requested reviewer labels Apr 5, 2023
@pkozlowski-opensource
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caretaker note: I think that G3 failures are unrelated

@dylhunn
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dylhunn commented Apr 5, 2023

This PR was merged into the repository by commit df1dfc4.

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3 participants