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Format DOM Nesting Warning as Diff View + An Additional Log for Stack Trace #30302

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merged 5 commits into from
Jul 10, 2024

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@sebmarkbage sebmarkbage commented Jul 10, 2024

Currently we're printing parent stacks at the end of DOM nesting even with owner stacks enabled. That's because the context of parent tree is relevant for determining why two things are nested. It might not be sufficient to see the owner stack alone.

I'm trying to get rid of parent stacks and rely on more of the plain owner stacks or ideally console.createTask. These are generally better anyway since the exact line for creating the JSX is available. It also lets you find a parent stack frame that is most relevant e.g. if it's hidden inside internals.

For DOM nesting there's really only two stacks that are relevant. The creation of the parent and the creation of the child. Sometimes they're close enough to be the same thing. Such as for parents that can't have text children or when the ancestor is the direct parent created at the same place (same owner).

Sometimes they're far apart. In this case I add a second console.error within the context of the ancestor. That way the second stack trace can be used to read the stack trace for where it was created.

To preserve some parent context I now print the parent stack in a diff view format using the logic from hydration diffs. This includes some siblings and props for context.

Screenshot 2024-07-10 at 12 21 38 AM

Text Nodes:

Screenshot 2024-07-10 at 12 37 40 AM

Use a second long to communicate the location of the parent.
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They don't have their own owner so to get some owner stacks we can use
the parent as the owner.

Effectively this also means using the parent's debugTask for native stacks.

This ensures that createTask is active when a HostText node runs its validation.
@sebmarkbage sebmarkbage merged commit 2d3f81b into facebook:main Jul 10, 2024
138 checks passed
github-actions bot pushed a commit that referenced this pull request Jul 10, 2024
… Trace (#30302)

Currently we're printing parent stacks at the end of DOM nesting even
with owner stacks enabled. That's because the context of parent tree is
relevant for determining why two things are nested. It might not be
sufficient to see the owner stack alone.

I'm trying to get rid of parent stacks and rely on more of the plain
owner stacks or ideally console.createTask. These are generally better
anyway since the exact line for creating the JSX is available. It also
lets you find a parent stack frame that is most relevant e.g. if it's
hidden inside internals.

For DOM nesting there's really only two stacks that are relevant. The
creation of the parent and the creation of the child. Sometimes they're
close enough to be the same thing. Such as for parents that can't have
text children or when the ancestor is the direct parent created at the
same place (same owner).

Sometimes they're far apart. In this case I add a second console.error
within the context of the ancestor. That way the second stack trace can
be used to read the stack trace for where it was created.

To preserve some parent context I now print the parent stack in a diff
view format using the logic from hydration diffs. This includes some
siblings and props for context.

<img width="756" alt="Screenshot 2024-07-10 at 12 21 38 AM"
src="https://github.com/facebook/react/assets/63648/0843133d-cc7a-4ecc-91c0-f46ae8e99f20">

Text Nodes:

<img width="749" alt="Screenshot 2024-07-10 at 12 37 40 AM"
src="https://github.com/facebook/react/assets/63648/ee377d82-54ee-450a-99d1-fcc3ef290d59">

---------

Co-authored-by: tjallingt <[email protected]>

DiffTrain build for commit 2d3f81b.
github-actions bot pushed a commit that referenced this pull request Jul 10, 2024
… Trace (#30302)

Currently we're printing parent stacks at the end of DOM nesting even
with owner stacks enabled. That's because the context of parent tree is
relevant for determining why two things are nested. It might not be
sufficient to see the owner stack alone.

I'm trying to get rid of parent stacks and rely on more of the plain
owner stacks or ideally console.createTask. These are generally better
anyway since the exact line for creating the JSX is available. It also
lets you find a parent stack frame that is most relevant e.g. if it's
hidden inside internals.

For DOM nesting there's really only two stacks that are relevant. The
creation of the parent and the creation of the child. Sometimes they're
close enough to be the same thing. Such as for parents that can't have
text children or when the ancestor is the direct parent created at the
same place (same owner).

Sometimes they're far apart. In this case I add a second console.error
within the context of the ancestor. That way the second stack trace can
be used to read the stack trace for where it was created.

To preserve some parent context I now print the parent stack in a diff
view format using the logic from hydration diffs. This includes some
siblings and props for context.

<img width="756" alt="Screenshot 2024-07-10 at 12 21 38 AM"
src="https://github.com/facebook/react/assets/63648/0843133d-cc7a-4ecc-91c0-f46ae8e99f20">

Text Nodes:

<img width="749" alt="Screenshot 2024-07-10 at 12 37 40 AM"
src="https://github.com/facebook/react/assets/63648/ee377d82-54ee-450a-99d1-fcc3ef290d59">

---------

Co-authored-by: tjallingt <[email protected]>

DiffTrain build for [2d3f81b](2d3f81b)
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4 participants