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Styles Navigation Screen: close style book using location #51365

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ramonjd
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@ramonjd ramonjd commented Jun 9, 2023

(Maybe) Fixes #50799, fixes #50807, fixes #50837, fixes #50838, fixes #50839

What?

Using location to determine whether to reset editorCanvasContainerView instead selector to avoid e2e fails.

Why?

playwright runs faster than the useEffect resetting the value. (thanks @kevin940726 !)

Testing Instructions

npm run test:e2e:playwright -- --headed site-editor/style-book.spec

…ew` instead selector to avoid e2e fails. playwright runs faster than the useEffect resetting the value.
@ramonjd ramonjd changed the title Styles Navigation Screen: close style book using location Jun 9, 2023
@ramonjd ramonjd self-assigned this Jun 9, 2023
@ramonjd ramonjd added the [Package] E2E Tests /packages/e2e-tests label Jun 9, 2023
@andrewserong andrewserong added the [Type] Code Quality Issues or PRs that relate to code quality label Jun 9, 2023
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@kevin940726 kevin940726 left a comment

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LGTM as long as it stops the flakiness 👍

We should probably look into an alternative than using a useEffect though, it seems like an anti-pattern to me. My intuition would be using an event callback from the navigator to handle this instead. c.c. @Mamaduka if you're interested!

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Thanks for putting up this fix @ramonjd!

✅ The behaviour where clicking out of the Styles screen with the style book opened, and then clicking back into it resets the container state as on trunk
✅ e2e tests are now passing locally for me:

image

LGTM! ✨

We should probably look into an alternative than using a useEffect though, it seems like an anti-pattern to me. My intuition would be using an event callback from the navigator to handle this instead.

Good point, it does sound like it'd be better if we could fire a change when the navigation happens rather than the next cycle in a useEffect. For what it's worth, it looks like useSyncPathWithURL is also useEffect-based, so not too sure what that means for changing how we hook into navigation changes?

Either way, this looks good to merge to me, for now!

@andrewserong andrewserong enabled auto-merge (squash) June 9, 2023 06:38
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github-actions bot commented Jun 9, 2023

Size Change: +6 B (0%)

Total Size: 1.39 MB

Filename Size Change
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ℹ️ View Unchanged
Filename Size
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compressed-size-action

@andrewserong andrewserong merged commit be4cc1b into trunk Jun 9, 2023
@andrewserong andrewserong deleted the update/site-editor-sidebar-canvas-container-reset branch June 9, 2023 07:14
@github-actions github-actions bot added this to the Gutenberg 16.1 milestone Jun 9, 2023
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github-actions bot commented Jun 9, 2023

Flaky tests detected in 584d9ea.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/5218966276
📝 Reported issues:

@Mamaduka
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Thanks for fixing the flaky tests, @ramonjd!

I agree with @kevin940726 and @andrewserong regarding useEffect usage here :)

@ramonjd
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ramonjd commented Jun 13, 2023

What do folks think is required here? I'm not sure I'll have to time to look into it, but just asking for the record.

<NavigatorProvider /> is used in a few places so I guess it's important to ensure it's called within the correct scope/context.

A naive approach could be passing a callback when calling useNavigator() that fires when the location is updated

const {} = useNavigator( ( newLocation ) => doSomething() );

Or maybe

const { onLocationChange } = useNavigator();

onLocationChange( ( newLocation, previousLocation  ) => {
    doSomething();
} );

// in navigator-provider


	const onLocationChange = useCallback(
		( callback ) => {
		     callback( newLocation, previousLocation  );
		},
		[ newLocation, previousLocation ]
	);

Or something along those lines....

?

@kevin940726
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I think I mentioned something related at the beginning when introducing the Navigator component but unfortunately it didn't go anywhere 😅 .

Basically what I imagine is a listen() API that could listen to location changes. And then instead of making it a hook, we just call it inside useEffect, like how we would do with regular browser's APIs.

useEffect(() => {
  return history.listen(({ location }) => {
    doSomething();
  });
}, []);

It seems simpler to me than trying to figure out when a custom hook would run. Just a simple but powerful API for advanced usage.

If we were using the history package then this API is just there for us to use. It doesn't seem that hard to implement it in our custom solution though. I'm just not sure about the complexity of dealing with synchronous events and race conditions with React's states, probably not that bad though 🤔 .

sethrubenstein pushed a commit to pewresearch/gutenberg that referenced this pull request Jul 13, 2023
…51365)

* Using location to determine whether to reset `editorCanvasContainerView` instead selector to avoid e2e fails. playwright runs faster than the useEffect resetting the value.

* path is a property.

* adding location?.path to dep array
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