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fix(core): Prevents trying to trigger incremental hydration on CSR #58366

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thePunderWoman
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Hydrate triggers were firing in CSR cases and attempting to find parent defer blocks. This prevents that from happening. In these cases, the defer block id will be empty.

fixes: #58359

PR Checklist

Please check if your PR fulfills the following requirements:

PR Type

What kind of change does this PR introduce?

  • Bugfix

What is the current behavior?

Issue Number: #58359

Does this PR introduce a breaking change?

  • Yes
  • No

@thePunderWoman thePunderWoman added action: review The PR is still awaiting reviews from at least one requested reviewer area: core Issues related to the framework runtime target: rc This PR is targeted for the next release-candidate labels Oct 25, 2024
@ngbot ngbot bot modified the milestone: Backlog Oct 25, 2024
@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 25, 2024
@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 25, 2024
@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 25, 2024
@ngbot ngbot bot modified the milestone: Backlog Oct 25, 2024
@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 25, 2024
incrementallyHydrateFromBlockName(
injector,
lDetails[UNIQUE_SSR_ID],
(deferBlock: DeferBlock) => triggerAndWaitForCompletion(deferBlock),
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I'd propose adding a TODO here to refactor the code (resolving circular deps if needed), so that we don't have to have this callback function (it should probably be inside of the incrementallyHydrateFromBlockName one).

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The initial circular dep problem is actually why this function is here at all. It was initially in the proposed location and wasn't resolvable without extracting this into a function like this. These are the cleanup fns. I can add a TODO though.

@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 28, 2024
@ngbot ngbot bot modified the milestone: Backlog Oct 28, 2024
@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 28, 2024
@ngbot ngbot bot modified the milestone: Backlog Oct 28, 2024
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LGTM with a minor comment.

@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 28, 2024
@ngbot ngbot bot modified the milestone: Backlog Oct 28, 2024
@thePunderWoman thePunderWoman added action: merge The PR is ready for merge by the caretaker and removed action: review The PR is still awaiting reviews from at least one requested reviewer labels Oct 28, 2024
hydrate triggers were firing in CSR cases and attempting to find parent defer blocks. This prevents that from happening. In these cases, the defer block id will be empty.

fixes: angular#58359
This adds a shouldHydrate check that prevents any additional work in cases when hydration is not necessary.
@angular-robot angular-robot bot added area: core Issues related to the framework runtime and removed area: core Issues related to the framework runtime labels Oct 28, 2024
@ngbot ngbot bot modified the milestone: Backlog Oct 28, 2024
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alxhub commented Oct 29, 2024

This PR was merged into the repository by commit 2e11b6f.

The changes were merged into the following branches: main, 19.0.x

alxhub pushed a commit that referenced this pull request Oct 29, 2024
…58366)

hydrate triggers were firing in CSR cases and attempting to find parent defer blocks. This prevents that from happening. In these cases, the defer block id will be empty.

fixes: #58359

PR Close #58366
alxhub pushed a commit that referenced this pull request Oct 29, 2024
This adds a shouldHydrate check that prevents any additional work in cases when hydration is not necessary.

PR Close #58366
@alxhub alxhub closed this in acd4f80 Oct 29, 2024
alxhub pushed a commit that referenced this pull request Oct 29, 2024
This adds a shouldHydrate check that prevents any additional work in cases when hydration is not necessary.

PR Close #58366
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@thePunderWoman thePunderWoman deleted the hydrate-bug branch March 6, 2025 20:06
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Incremental Hydration throws error - Cannot read properties of undefined (reading 'p') on Client Side Navigation to this page
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