SlotFill: Allow contextual SlotFillProviders (#56779)

# Conflicts:
#	packages/components/CHANGELOG.md

Author: youknowriad

packages/block-editor/src/components/provider/index.js

@@ -45,7 +45,7 @@ export const ExperimentalBlockEditorProvider = withRegistryProvider(
 		useBlockSync( props );
 
 		return (
-			<SlotFillProvider>
+			<SlotFillProvider passthrough>
 				<KeyboardShortcuts.Register />
 				<BlockRefsProvider>{ children }</BlockRefsProvider>
 			</SlotFillProvider>

packages/components/CHANGELOG.md

@@ -2,17 +2,165 @@
 
 ## Unreleased
 
+## 25.14.0 (2023-12-13)
+
+### Enhancements
+
+-   `FormToggle`: fix sass deprecation warning ([#56672](https://github.com/WordPress/gutenberg/pull/56672)).
+-   `QueryControls`: Add opt-in prop for 40px default size ([#56576](https://github.com/WordPress/gutenberg/pull/56576)).
+-   `CheckboxControl`: Add option to not render label ([#56158](https://github.com/WordPress/gutenberg/pull/56158)).
+-   `PaletteEdit`: Gradient pickers to use same width as color pickers ([#56801](https://github.com/WordPress/gutenberg/pull/56801)).
+-   `FocalPointPicker`: Add opt-in prop for 40px default size ([#56021](https://github.com/WordPress/gutenberg/pull/56021)).
+-   `DimensionControl`: Add opt-in prop for 40px default size ([#56805](https://github.com/WordPress/gutenberg/pull/56805)).
+-   `FontSizePicker`: Add opt-in prop for 40px default size ([#56804](https://github.com/WordPress/gutenberg/pull/56804)).
+
+### Bug Fix
+-   `PaletteEdit`: temporary custom gradient not saving ([#56896](https://github.com/WordPress/gutenberg/pull/56896)).
+-   `ToggleGroupControl`: react correctly to external controlled updates ([#56678](https://github.com/WordPress/gutenberg/pull/56678)).
+-   `ToolsPanel`: fix a performance issue ([#56770](https://github.com/WordPress/gutenberg/pull/56770)).
+-   `BorderControl`: adjust `BorderControlDropdown` Button size to fix misaligned border ([#56730](https://github.com/WordPress/gutenberg/pull/56730)).
+-   `SlotFillProvider`: Restore contextual Slot/Fills within SlotFillProvider ([#56779](https://github.com/WordPress/gutenberg/pull/56779)).
+
+### Internal
+
+-   `DropdownMenuV2Ariakit`: prevent prefix collapsing if all radios or checkboxes are unselected ([#56720](https://github.com/WordPress/gutenberg/pull/56720)).
+
+### Experimental
+
+-   `Tabs`: implement new `tabId` prop ([#56883](https://github.com/WordPress/gutenberg/pull/56883)).
+
+### Experimental
+
+-   `Tabs`: improve focus handling in controlled mode ([#56658](https://github.com/WordPress/gutenberg/pull/56658)).
+
+### Documentation
+
+-   `Search`: Added links to storybook for more information on usage. ([#56815](https://github.com/WordPress/gutenberg/pull/56815)).
+-   `Spinner`: Added links to storybook for more information on usage. ([#56953](https://github.com/WordPress/gutenberg/pull/56953)).
+
+## 25.13.0 (2023-11-29)
+
+### Enhancements
+
+-   `FormToggle`: refine animation and improve high contrast styles ([#56515](https://github.com/WordPress/gutenberg/pull/56515)).
+-   `Button`: Add focus rings to focusable disabled buttons ([#56383](https://github.com/WordPress/gutenberg/pull/56383)).
+-   `InserterButton`: Move mobile InserterButton from components package to block-editor package ([#56494](https://github.com/WordPress/gutenberg/pull/56494))
+
+### Bug Fix
+
+-   `DateTime`: Make the Timezone indication render a tooltip only when necessary. ([#56214](https://github.com/WordPress/gutenberg/pull/56214)).
+-   `ToolsPanelItem`: Use useLayoutEffect to prevent rendering glitch for last panel item styling. ([#56536](https://github.com/WordPress/gutenberg/pull/56536)).
+-   `FormTokenField`: Fix broken suggestions scrollbar when the `__experimentalExpandOnFocus` prop is defined ([#56426](https://github.com/WordPress/gutenberg/pull/56426)).
+-   `FormTokenField`: `onFocus` prop is now typed as a React `FocusEvent` ([#56426](https://github.com/WordPress/gutenberg/pull/56426)).
+
+### Experimental
+
+-   `Tabs`: Memoize and expose the component context ([#56224](https://github.com/WordPress/gutenberg/pull/56224)).
+-   `DropdownMenuV2`: Design tweaks ([#56041](https://github.com/WordPress/gutenberg/pull/56041))
+
+### Documentation
+
+-   `Text` and `Heading`: improve docs around default values and truncation logic ([#56518](https://github.com/WordPress/gutenberg/pull/56518))
+
+### Internal
+
+-   `Slot`: add `style` prop to `bubblesVirtually` version ([#56428](https://github.com/WordPress/gutenberg/pull/56428))
+-   Introduce experimental new version of `CustomSelectControl` based on `ariakit` ([#55790](https://github.com/WordPress/gutenberg/pull/55790))
+
+## 25.12.0 (2023-11-16)
+
+### Bug Fix
+
+-   `Toolbar`: Remove CSS rule that prevented focus outline to be visible for toolbar buttons in the `:active` state. ([#56123](https://github.com/WordPress/gutenberg/pull/56123)).
+
+### Internal
+
+-   Migrate `Divider` from `reakit` to `ariakit` ([#55622](https://github.com/WordPress/gutenberg/pull/55622))
+-   Migrate `DisclosureContent` from `reakit` to `ariakit` and TypeScript ([#55639](https://github.com/WordPress/gutenberg/pull/55639))
+-   Migrate `RadioGroup` from `reakit` to `ariakit` and TypeScript ([#55580](https://github.com/WordPress/gutenberg/pull/55580))
+
+### Experimental
+
+-   `Tabs`: Add `focusable` prop to the `Tabs.TabPanel` sub-component ([#55287](https://github.com/WordPress/gutenberg/pull/55287))
+-   `Tabs`: Update sub-components to accept relevant HTML element props ([#55860](https://github.com/WordPress/gutenberg/pull/55860))
+-   `DropdownMenuV2`: Fix radio menu item check icon not rendering correctly in some browsers ([#55964](https://github.com/WordPress/gutenberg/pull/55964))
+-   `DropdownMenuV2`: prevent default when pressing Escape key to close menu ([#55962](https://github.com/WordPress/gutenberg/pull/55962))
+
+### Enhancements
+
+-   `ToggleGroupControl`: Add opt-in prop for 40px default size ([#55789](https://github.com/WordPress/gutenberg/pull/55789)).
+-   `TextControl`: Add opt-in prop for 40px default size ([#55471](https://github.com/WordPress/gutenberg/pull/55471)).
+
+### Bug Fix
+
+-   `DropdownMenu`: remove extra vertical space around the toggle button ([#56136](https://github.com/WordPress/gutenberg/pull/56136)).
+-   Package should not depend on `@ariakit/test`, that package is only needed for testing ([#56091](https://github.com/WordPress/gutenberg/pull/56091)).
+
+## 25.11.0 (2023-11-02)
+
+### Enhancements
+
+-   `InputControl`/`SelectControl`: update `height`/`min-height` to `32px` instead of `30px` to align with modern sizing scale ([#55490](https://github.com/WordPress/gutenberg/pull/55490)).
+
+### Bug Fix
+
+-   `Autocomplete`: Add `aria-live` announcements for Mac and IOS Voiceover to fix lack of support for `aria-owns` ([#54902](https://github.com/WordPress/gutenberg/pull/54902)).
+-   Improve Button saving state accessibility. ([#55547](https://github.com/WordPress/gutenberg/pull/55547))
+
+### Internal
+
+-   Introduce experimental new version of `DropdownMenu` based on `ariakit` ([#54939](https://github.com/WordPress/gutenberg/pull/54939))
+
+## 25.10.0 (2023-10-18)
+
+### Enhancements
+
+-   `ProgressBar`: use text color to ensure enough contrast against background ([#55285](https://github.com/WordPress/gutenberg/pull/55285)).
+-   `Notice`: Remove margins from `Notice` component ([#54800](https://github.com/WordPress/gutenberg/pull/54800)).
+-   Allow using CSS level 4 viewport-relative units ([54415](https://github.com/WordPress/gutenberg/pull/54415))
+-   `ToolsPanel`: do not apply the `className` to prop to `ToolsPanelItem` components when rendered as placeholders ([#55207](https://github.com/WordPress/gutenberg/pull/55207)).
+-   `GradientPicker`: remove overflow styles and padding from `ColorPicker` popovers ([#55265](https://github.com/WordPress/gutenberg/pull/55265)).
+-   `Tabs`: Expose via private APIs ([#55327](https://github.com/WordPress/gutenberg/pull/55327)).
+-   `ColorPalette`/`ToggleGroupControl/ToggleGroupControlOptionBase`: add `type="button"` attribute to native `<button>`s ([#55125](https://github.com/WordPress/gutenberg/pull/55125)).
+
+### Bug Fix
+
+-   Render a "mouse event trap" when using a `ColorPicker` inside a `Popover` to prevent issues when rendering on top of `iframes` ([#55149](https://github.com/WordPress/gutenberg/pull/55149)).
+-   `Modal`: fix closing when contained iframe is focused ([#51602](https://github.com/WordPress/gutenberg/pull/51602)).
+-   `Autocomplete`: Fix disappearing results issue when using multiple triggers inline ([#55301](https://github.com/WordPress/gutenberg/pull/55301))
+
+### Internal
+
+-   Update `@ariakit/react` to version `0.3.5` ([#55365](https://github.com/WordPress/gutenberg/pull/55365))
+-   `ConfirmDialog`: Migrate to TypeScript. ([#54954](https://github.com/WordPress/gutenberg/pull/54954)).
+
+### New Features
+
+-   `Toolbar`: add new `variant` prop for 'unstyled' option ([#55139](https://github.com/WordPress/gutenberg/pull/55139)).
+
+## 25.9.0 (2023-10-05)
+
 ### Enhancements
 
 -   `SearchControl`: polish metrics for `compact` size variant ([#54663](https://github.com/WordPress/gutenberg/pull/54663)).
 -   `Button`: deprecating `isPressed` prop in favour of `aria-pressed` ([#54740](https://github.com/WordPress/gutenberg/pull/54740)).
+-   `DuotonePicker/ColorListPicker`: Adds appropriate label and description to 'Duotone Filter' picker ([#54473](https://github.com/WordPress/gutenberg/pull/54473)).
+-   `Modal`: Accessibly hide/show outer modal when nested ([#54743](https://github.com/WordPress/gutenberg/pull/54743)).
+-   `InputControl`, `NumberControl`, `UnitControl`, `SelectControl`, `CustomSelectControl`, `TreeSelect`: Add opt-in prop for next 40px default size, superseding the `__next36pxDefaultSize` prop ([#53819](https://github.com/WordPress/gutenberg/pull/53819)).
+-   `Modal`: add a new `size` prop to support preset widths, including a `fill` option to eventually replace the `isFullScreen` prop ([#54471](https://github.com/WordPress/gutenberg/pull/54471)).
+-   Wrapped `TextareaControl` in a `forwardRef` call ([#54975](https://github.com/WordPress/gutenberg/pull/54975)).
+-   `Composite`/`AlignmentMatrixControl`/`CircularOptionPicker`: Starts the `Composite` migration from `reakit` to `ariakit` ([#54225](https://github.com/WordPress/gutenberg/pull/54225)).
 
 ### Bug Fix
 
 -   `Placeholder`: Improved DOM structure and screen reader announcements ([#45801](https://github.com/WordPress/gutenberg/pull/45801)).
 -   `DateTimePicker`: fix onChange callback check so that it also works inside iframes ([#54669](https://github.com/WordPress/gutenberg/pull/54669)).
 -   `FormTokenField`: Add `box-sizing` reset style and reset default padding ([#54734](https://github.com/WordPress/gutenberg/pull/54734)).
 -   `SlotFill`: Pass `Component` instance to unregisterSlot ([#54765](https://github.com/WordPress/gutenberg/pull/54765)).
+-   `Button`: Remove `aria-selected` CSS selector from styling 'active' buttons ([#54931](https://github.com/WordPress/gutenberg/pull/54931)).
+-   `Popover`: Apply the CSS in JS styles properly for components used within popovers. ([#54912](https://github.com/WordPress/gutenberg/pull/54912))
+-   `Button`: Remove hover styles when `aria-disabled` is set to `true` for the secondary variant. ([#54978](https://github.com/WordPress/gutenberg/pull/54978))
+-   `Button`: Revert toggled style selector to use a class instead of attributes ([#55065](https://github.com/WordPress/gutenberg/pull/55065)).
 
 ### Internal
 
@@ -21,6 +169,14 @@
 -   Refactor ariakit usages to use the `render` prop instead of `as` and to use the namespace import ([#54696](https://github.com/WordPress/gutenberg/pull/54696)).
 -   Update `uuid` package to 9.0.1 ([#54725](https://github.com/WordPress/gutenberg/pull/54725)).
 -   `ContextSystemProvider`: Move out of `ui/` ([#54847](https://github.com/WordPress/gutenberg/pull/54847)).
+-   `SlotFill`: Migrate to TypeScript and Convert to Functional Component `<Slot bubblesVirtually />`. ([#51350](https://github.com/WordPress/gutenberg/pull/51350)).
+-   `Components`: move `ui/utils` to `utils` and remove `ui/` folder ([#54922](https://github.com/WordPress/gutenberg/pull/54922)).
+-   Ensure `@types/` dependencies used by final type files are included in the main dependency field ([#50231](https://github.com/WordPress/gutenberg/pull/50231)).
+-   `Text`: Migrate to TypeScript. ([#54953](https://github.com/WordPress/gutenberg/pull/54953)).
+
+### Experimental
+
+-   Introduce `Tabs`, an experimental v2 of `TabPanel`: ([#53960](https://github.com/WordPress/gutenberg/pull/53960)).
 
 ## 25.8.0 (2023-09-20)
 
@@ -39,7 +195,7 @@
 -   `DuotonePicker/ColorListPicker`: Adds appropriate labels to 'Duotone Filter' color pickers ([#54468](https://github.com/WordPress/gutenberg/pull/54468)).
 -   `SearchControl`: support new `40px` and `32px` sizes ([#54548](https://github.com/WordPress/gutenberg/pull/54548)).
 -   `FormTokenField`: Add `tokenizeOnBlur` prop to add any incompleteTokenValue as a new token when field loses focus ([#54445](https://github.com/WordPress/gutenberg/pull/54445)).
-- `Sandbox`: Add `tabIndex` prop ([#54408](https://github.com/WordPress/gutenberg/pull/54408)).
+-   `Sandbox`: Add `tabIndex` prop ([#54408](https://github.com/WordPress/gutenberg/pull/54408)).
 
 ### Bug Fix
 
@@ -134,6 +290,7 @@
 
 -   `ColorPalette`, `BorderControl`: Don't hyphenate hex value in `aria-label` ([#52932](https://github.com/WordPress/gutenberg/pull/52932)).
 -   `MenuItemsChoice`, `MenuItem`: Support a `disabled` prop on a menu item ([#52737](https://github.com/WordPress/gutenberg/pull/52737)).
+-   `TabPanel`: Introduce a new version of `TabPanel` with updated internals and improved adherence to ARIA guidance on `tabpanel` focus behavior while maintaining the same functionality and API surface.([#52133](https://github.com/WordPress/gutenberg/pull/52133)).
 
 ### Bug Fix
 

packages/components/src/slot-fill/index.tsx

@@ -55,9 +55,12 @@ export function UnforwardedSlot(
 }
 export const Slot = forwardRef( UnforwardedSlot );
 
-export function Provider( { children }: SlotFillProviderProps ) {
+export function Provider( {
+	children,
+	passthrough = false,
+}: SlotFillProviderProps ) {
 	const parent = useContext( SlotFillContext );
-	if ( ! parent.isDefault ) {
+	if ( ! parent.isDefault && passthrough ) {
 		return <>{ children }</>;
 	}
 	return (

packages/components/src/slot-fill/types.ts

@@ -84,6 +84,11 @@ export type SlotFillProviderProps = {
 	 * The children elements.
 	 */
 	children: ReactNode;
+
+	/**
+	 * Whether to pass slots to the parent provider if existent.
+	 */
+	passthrough?: boolean;
 };
 
 export type SlotFillBubblesVirtuallySlotRef = RefObject< HTMLElement >;