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Components: promote g2 Popover as Flyout #32197

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merged 25 commits into from
Jul 6, 2021
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ciampo
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@ciampo ciampo commented May 25, 2021

Description

  • Promote the Popover component from the components/src/ui/ folder into the components/src folder
  • Rename the component to Flyout
  • Re-arrange the internal file structure into separate folders for the Flyout and FlyoutContent components.
  • Refactor the implementation to use Emotion's styled approach
  • Add documentation to the README
  • Add the component to tsconfig and the docs manifest

Next steps in follow-up PRs:

  • Spend time investigating / testing the newly promoted Flyout component to make sure it is stable and covers all use cases of the current (legacy) Popover. A few ways of conducting this investigation are:
    • Use storybook stories
    • Replace all Gutenberg usages of the legacy Popover with the new Flyout
  • Once stability is reached, add a deprecation notice to the legacy Popover

How has this been tested?

Screenshots

Screenshot 2021-07-02 at 14 00 21

Types of changes

Refactor (moving and partially rewriting files)

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • N/A I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • N/A I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal).

@ciampo ciampo added [Package] Components /packages/components [Feature] Component System WordPress component system labels May 25, 2021
@ciampo ciampo self-assigned this May 25, 2021
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github-actions bot commented May 25, 2021

Size Change: +12.2 kB (+1%)

Total Size: 1.06 MB

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@sarayourfriend
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Convert component in TypeScript

This isn't really necessary. If you end up with extra time it's fine to do but according to the strategy laid out in this make post about TypeScript in Gutenberg we shouldn't be re-writing to TypeScript unless it's necessary for expressing the types (which in this case it isn't).

We haven't decided what to do about Card yet. If we can make it work with the components/src/card version (not the ui version) then we should prefer that. If not then part of this work will necessarily be uplifting the Card component 😞

@gziolo
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gziolo commented Jun 7, 2021

Can we keep the name Popover and use a prop that would do the switching?

@diegohaz used such approach for the Toolbar component:

if ( ! label ) {
deprecated( 'Using Toolbar without label prop', {
since: '5.6',
alternative: 'ToolbarGroup component',
link:
'https://developer.wordpress.org/block-editor/components/toolbar/',
} );
return <ToolbarGroup { ...props } className={ className } />;
}

@ciampo
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ciampo commented Jun 8, 2021

Can we keep the name Popover and use a prop that would do the switching?

@diegohaz used such approach for the Toolbar component:

I'm quite new to the g2 components work, and so I don't really have much context to give a good answer to this question.

I based my choice on what was agreed with @sarayourfriend (and on previous conversations like this comment), but I'm definitely also up for adopting the same approach used for the Toolbar component.

cc @griffbrad

@diegohaz
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diegohaz commented Jun 10, 2021

Can we keep the name Popover and use a prop that would do the switching?

@diegohaz used such approach for the Toolbar component:

if ( ! label ) {
deprecated( 'Using Toolbar without label prop', {
since: '5.6',
alternative: 'ToolbarGroup component',
link:
'https://developer.wordpress.org/block-editor/components/toolbar/',
} );
return <ToolbarGroup { ...props } className={ className } />;
}

I think this is more complicated than the Toolbar component. The difference between the legacy toolbar and the current accessible toolbar enabled by the label prop is basically 3 props (controls, isCollapsed, title). With Popover, it looks like we'll have a completely different API, which would be a mess to handle especially if you take TypeScript into account.

Also, another motivation to keep the Toolbar name was that we already have a standardized toolbar role in HTML. But "popover" is not standard. I see no problem in having a separate component as this is a different component with different behaviors anyway.

Maybe we can discuss more the name though, like PopoverDialog, Flyout, ContextualDialog, Popup etc. popup is a name that's used in a few places in the ARIA spec already (for example, aria-haspopup, which is set on the popover trigger element), but it's as generic as "dialog".

@gziolo
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gziolo commented Jun 10, 2021

Maybe we can discuss more the name though, like PopoverDialog, Flyout, ContextualDialog, Popup etc. popup is a name that's used in a few places in the ARIA spec already (for example, aria-haspopup, which is set on the popover trigger element), but it's as generic as "dialog".

@diegohaz, thank you for feedback. We can have completely new name if that makes more sense here. The old Popover is also accessible so prefixing a new one with Accessible could confuse the package users.

@sarayourfriend
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Agreed that the name AccessiblePopover is bad. For one, it implies the previous implementation was inaccessible, which is not the case. Popup seems to be a good option based on Diego's feedback but might not offer a clear relationship between the old Popover component and the new Popup component. Do y'all think that might be important or is a deprecation warning in Popover enough?

@ciampo ciampo force-pushed the feat/components-promote-popover branch from ac2da4e to 3009f50 Compare June 25, 2021 10:03
@ciampo
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ciampo commented Jun 25, 2021

I just rebased this PR to include a few changes that got recently merged on trunk, in particular:

  • The component dependencies (Surface, Scrollable and Card) have all been promoted / updated to g2 implementation
  • The compose package is fully typed

@sarayourfriend , @gziolo and @diegohaz — let's discuss the next steps for this PR:

  • we all agreed that AccessiblePopover is not a good name for this component. Should we go with Popup? Other alternatives presented by @diegohaz were PopoverDialog, Flyout and ContextualDialog
  • what deprecation strategy should we adopt for the legacy Popover component? is a deprecation warning enough?
  • should we look into replacing usages of the legacy Popover in Gutenberg with the g2 version, once it lands? (in separate PRs)

@diegohaz
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  • we all agreed that AccessiblePopover is not a good name for this component. Should we go with Popup? Other alternatives presented by @diegohaz were PopoverDialog, Flyout and ContextualDialog

Popup is too generic I guess. I would go for Flyout.

  • what deprecation strategy should we adopt for the legacy Popover component? is a deprecation warning enough?
  • should we look into replacing usages of the legacy Popover in Gutenberg with the g2 version, once it lands? (in separate PRs)

I think a deprecation warning is enough, but I would only do that after we make sure this component is stable and covers all the current Popover's use cases. We should be able to replace all the internal usages of Popover without a huge effort. If, for some reason, we can't migrate all Popover in Gutenberg or if it's too challenging, I don't think the Popover component should be deprecated.

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ciampo commented Jun 25, 2021

Popup is too generic I guess. I would go for Flyout.

Alright, Flyout seems like a better option to me as well.

I think a deprecation warning is enough, but I would only do that after we make sure this component is stable and covers all the current Popover's use cases. We should be able to replace all the internal usages of Popover without a huge effort. If, for some reason, we can't migrate all Popover in Gutenberg or if it's too challenging, I don't think the Popover component should be deprecated.

This also makes sense. It looks like the next steps could be:

  1. Promote g2 Popover as Flyout (and keep it marked as experimental)
  2. Spend time investigating / testing the newly promoted Flyout component to make sure it is stable and covers all use cases of the current (legacy) Popover, and apply any amends if necessary in follow-up PRs. A few ways of conducting this investigation are:
    • Use storybook stories
    • Replace all Gutenberg usages of the legacy Popover with the new Flyout
  3. Once stability is reached, add a deprecation notice to the legacy Popover

@ciampo ciampo changed the title Components: promote Popover as AccessiblePopover Components: promote g2 Popover as Flyout Jun 25, 2021
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LGTM so far!

packages/components/src/flyout/flyout/README.md Outdated Show resolved Hide resolved
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@ciampo ciampo force-pushed the feat/components-promote-popover branch from 953872b to 3598b73 Compare July 1, 2021 16:01

/**
*
* @param {import('../../ui/context').PolymorphicComponentProps<import('../types').ContentProps, 'div', false>} props
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The refactoring done in 3598b73, (where we wrapped ReakitPopover directly into the styled function), caused a typescript error around the as prop on < FlyoutContentView />.

For this reason, FlyoutContent (and Flyout) have been marked as non-polymorphic

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Out of curiosity, what's the context behind refactoring the css calls to styled.div and then to styled( ReakitPopover )? I remember we've had some conversations about that, but I can't remember exactly the reasoning behind it. cc @sarayourfriend

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Basically @emotion/css does not hook into the Emotion cache so it's not possible for us to use it's css function because we need to hook into the cache to support iframes.

@emotion/styled does hook into the CacheProvider so it is able to support iframes.

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Ah yeah! That makes sense.

@ciampo ciampo marked this pull request as ready for review July 2, 2021 11:58
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ciampo commented Jul 2, 2021

This PR is now ready for a full review! I've also updated the description to match the latest changes. @sarayourfriend and @diegohaz , would you mind taking another look? Thank you!

@ciampo ciampo force-pushed the feat/components-promote-popover branch from 35dfc6b to 2b5d016 Compare July 5, 2021 15:41
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ciampo commented Jul 5, 2021

I've rebased the PR and all tests are now passing.

From what I gathered, we seem to agree that the next steps are:

  • Merge this PR (which introduces Flyout as a new, experimental component)
  • Look into replacing usages of Popover with Flyout in Gutenberg, and gather knowledge on any issues/incompatibilities that are caused by the potential swap
  • Discuss the next steps based on the knowledge gathered

If this is the case, we need a final review/approval before this PR can be merged.

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LGTM! 🚀 Storybook tests well and the code makes sense. Thanks for your persistance on this very long one!

@ciampo ciampo merged commit 3fd7cdc into trunk Jul 6, 2021
@ciampo ciampo deleted the feat/components-promote-popover branch July 6, 2021 14:25
@github-actions github-actions bot added this to the Gutenberg 11.1 milestone Jul 6, 2021
sarayourfriend pushed a commit that referenced this pull request Jul 15, 2021
* Move `components/src/ui/popover` to `components/src/accessible-popover`

* Add to Docs manifest

* Add to tsconfig.json

* Rename context-related variables from Popover* to AccessiblePopover*

This ensures consistency in the folder, even if the component name
is going to change

* Rename `PopoverContext` type to `Context`

* Rename `PopoverContent` to `AccessiblePopoverContent`

* Move `component.js` to component-specific folder

* Move `AccessibilePopover` logic to separate hook

* Move `content.js` to component-specific folder

* Move `AccessibilePopoverContent` logic to separate hook

* Rename `AccessiblePopover` to `Flyout`

* Rename zIndex const from `Popover` to `Flyout`

* Do not export FlyoutContent component

* Fix imports in example

* Rename `popover` to `flyoutState`

* Refactor to `styled` approach

* Wrap `ReakitPopover` in `FlyoutContentView` and set `maxWidth` in inline styles

* auto-format

* Add Props documentation to Flyout

* Mark `Flyout` as non-polymorphic

* Add documentation to `FlyoutContent`s README

* Update snapshots

* Remove FlyoutContext exports

* Do not export FlyoutContent`s documentation

* Delete FlyoutContent`s README
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5 participants