Add new data-attribute-based transition API

packages/@headlessui-react/CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Add ability to render multiple `<Dialog />` components at once (without nesting them) ([#3242](https://github.com/tailwindlabs/headlessui/pull/3242))
+- Add CSS based transitions using `data-*` attributes ([#3273](https://github.com/tailwindlabs/headlessui/pull/3273))
 
 ### Fixed
 

packages/@headlessui-react/src/components/combobox/combobox.tsx

@@ -41,6 +41,7 @@ import { useResolveButtonType } from '../../hooks/use-resolve-button-type'
 import { useScrollLock } from '../../hooks/use-scroll-lock'
 import { useSyncRefs } from '../../hooks/use-sync-refs'
 import { useTrackedPointer } from '../../hooks/use-tracked-pointer'
+import { useTransitionData, type TransitionData } from '../../hooks/use-transition-data'
 import { useTreeWalker } from '../../hooks/use-tree-walker'
 import { useWatch } from '../../hooks/use-watch'
 import { useDisabled } from '../../internal/disabled'
@@ -446,6 +447,7 @@ type _Actions = ReturnType<typeof useActions>
 let VirtualContext = createContext<Virtualizer<any, any> | null>(null)
 
 function VirtualProvider(props: {
+  slot: OptionsRenderPropArg
   children: (data: { option: unknown; open: boolean }) => React.ReactElement
 }) {
   let data = useData('VirtualProvider')
@@ -523,8 +525,8 @@ function VirtualProvider(props: {
             <Fragment key={item.key}>
               {React.cloneElement(
                 props.children?.({
+                  ...props.slot,
                   option: options[item.index],
-                  open: data.comboboxState === ComboboxState.Open,
                 }),
                 {
                   key: `${baseKey}-${item.key}`,
@@ -1561,7 +1563,7 @@ let DEFAULT_OPTIONS_TAG = 'div' as const
 type OptionsRenderPropArg = {
   open: boolean
   option: unknown
-}
+} & TransitionData
 type OptionsPropsWeControl = 'aria-labelledby' | 'aria-multiselectable' | 'role' | 'tabIndex'
 
 let OptionsRenderFeatures = RenderFeatures.RenderStrategy | RenderFeatures.Static
@@ -1575,6 +1577,7 @@ export type ComboboxOptionsProps<TTag extends ElementType = typeof DEFAULT_OPTIO
     anchor?: AnchorProps
     portal?: boolean
     modal?: boolean
+    transition?: boolean
   }
 >
 
@@ -1589,6 +1592,7 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
     anchor: rawAnchor,
     portal = false,
     modal = true,
+    transition = false,
     ...theirProps
   } = props
   let data = useData('Combobox.Options')
@@ -1606,13 +1610,13 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
   let ownerDocument = useOwnerDocument(data.optionsRef)
 
   let usesOpenClosedState = useOpenClosed()
-  let visible = (() => {
-    if (usesOpenClosedState !== null) {
-      return (usesOpenClosedState & State.Open) === State.Open
-    }
-
-    return data.comboboxState === ComboboxState.Open
-  })()
+  let [visible, transitionData] = useTransitionData(
+    transition,
+    data.optionsRef,
+    usesOpenClosedState !== null
+      ? (usesOpenClosedState & State.Open) === State.Open
+      : data.comboboxState === ComboboxState.Open
+  )
 
   // Ensure we close the combobox as soon as the input becomes hidden
   useOnDisappear(visible, data.inputRef, actions.closeCombobox)
@@ -1660,8 +1664,9 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
     return {
       open: data.comboboxState === ComboboxState.Open,
       option: undefined,
+      ...transitionData,
     } satisfies OptionsRenderPropArg
-  }, [data])
+  }, [data.comboboxState, transitionData])
 
   // When the user scrolls **using the mouse** (so scroll event isn't appropriate)
   // we want to make sure that the current activation trigger is set to pointer.
@@ -1706,7 +1711,7 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
   if (data.virtual && visible) {
     Object.assign(theirProps, {
       // @ts-expect-error The `children` prop now is a callback function that receives `{ option }`.
-      children: <VirtualProvider>{theirProps.children}</VirtualProvider>,
+      children: <VirtualProvider slot={slot}>{theirProps.children}</VirtualProvider>,
     })
   }
 

packages/@headlessui-react/src/components/disclosure/disclosure.tsx

@@ -24,6 +24,7 @@ import { useEvent } from '../../hooks/use-event'
 import { useId } from '../../hooks/use-id'
 import { useResolveButtonType } from '../../hooks/use-resolve-button-type'
 import { optionalRef, useSyncRefs } from '../../hooks/use-sync-refs'
+import { useTransitionData, type TransitionData } from '../../hooks/use-transition-data'
 import { CloseProvider } from '../../internal/close-provider'
 import { OpenClosedProvider, State, useOpenClosed } from '../../internal/open-closed'
 import type { Props } from '../../types'
@@ -419,7 +420,7 @@ let DEFAULT_PANEL_TAG = 'div' as const
 type PanelRenderPropArg = {
   open: boolean
   close: (focusableElement?: HTMLElement | MutableRefObject<HTMLElement | null>) => void
-}
+} & TransitionData
 type DisclosurePanelPropsWeControl = never
 
 let PanelRenderFeatures = RenderFeatures.RenderStrategy | RenderFeatures.Static
@@ -428,15 +429,19 @@ export type DisclosurePanelProps<TTag extends ElementType = typeof DEFAULT_PANEL
   TTag,
   PanelRenderPropArg,
   DisclosurePanelPropsWeControl,
-  PropsForFeatures<typeof PanelRenderFeatures>
+  { transition?: boolean } & PropsForFeatures<typeof PanelRenderFeatures>
 >
 
 function PanelFn<TTag extends ElementType = typeof DEFAULT_PANEL_TAG>(
   props: DisclosurePanelProps<TTag>,
   ref: Ref<HTMLElement>
 ) {
   let internalId = useId()
-  let { id = `headlessui-disclosure-panel-${internalId}`, ...theirProps } = props
+  let {
+    id = `headlessui-disclosure-panel-${internalId}`,
+    transition = false,
+    ...theirProps
+  } = props
   let [state, dispatch] = useDisclosureContext('Disclosure.Panel')
   let { close } = useDisclosureAPIContext('Disclosure.Panel')
   let mergeRefs = useMergeRefsFn()
@@ -453,20 +458,21 @@ function PanelFn<TTag extends ElementType = typeof DEFAULT_PANEL_TAG>(
   }, [id, dispatch])
 
   let usesOpenClosedState = useOpenClosed()
-  let visible = (() => {
-    if (usesOpenClosedState !== null) {
-      return (usesOpenClosedState & State.Open) === State.Open
-    }
-
-    return state.disclosureState === DisclosureStates.Open
-  })()
+  let [visible, transitionData] = useTransitionData(
+    transition,
+    state.panelRef,
+    usesOpenClosedState !== null
+      ? (usesOpenClosedState & State.Open) === State.Open
+      : state.disclosureState === DisclosureStates.Open
+  )
 
   let slot = useMemo(() => {
     return {
       open: state.disclosureState === DisclosureStates.Open,
       close,
+      ...transitionData,
     } satisfies PanelRenderPropArg
-  }, [state, close])
+  }, [state.disclosureState, close, transitionData])
 
   let ourProps = {
     ref: panelRef,

packages/@headlessui-react/src/components/listbox/listbox.tsx

@@ -42,6 +42,7 @@ import { useScrollLock } from '../../hooks/use-scroll-lock'
 import { useSyncRefs } from '../../hooks/use-sync-refs'
 import { useTextValue } from '../../hooks/use-text-value'
 import { useTrackedPointer } from '../../hooks/use-tracked-pointer'
+import { useTransitionData, type TransitionData } from '../../hooks/use-transition-data'
 import { useDisabled } from '../../internal/disabled'
 import {
   FloatingProvider,
@@ -863,7 +864,7 @@ let SelectedOptionContext = createContext(false)
 let DEFAULT_OPTIONS_TAG = 'div' as const
 type OptionsRenderPropArg = {
   open: boolean
-}
+} & TransitionData
 type OptionsPropsWeControl =
   | 'aria-activedescendant'
   | 'aria-labelledby'
@@ -882,6 +883,7 @@ export type ListboxOptionsProps<TTag extends ElementType = typeof DEFAULT_OPTION
     anchor?: AnchorPropsWithSelection
     portal?: boolean
     modal?: boolean
+    transition?: boolean
   } & PropsForFeatures<typeof OptionsRenderFeatures>
 >
 
@@ -895,6 +897,7 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
     anchor: rawAnchor,
     portal = false,
     modal = true,
+    transition = false,
     ...theirProps
   } = props
   let anchor = useResolvedAnchor(rawAnchor)
@@ -910,13 +913,13 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
   let ownerDocument = useOwnerDocument(data.optionsRef)
 
   let usesOpenClosedState = useOpenClosed()
-  let visible = (() => {
-    if (usesOpenClosedState !== null) {
-      return (usesOpenClosedState & State.Open) === State.Open
-    }
-
-    return data.listboxState === ListboxStates.Open
-  })()
+  let [visible, transitionData] = useTransitionData(
+    transition,
+    data.optionsRef,
+    usesOpenClosedState !== null
+      ? (usesOpenClosedState & State.Open) === State.Open
+      : data.listboxState === ListboxStates.Open
+  )
 
   // Ensure we close the listbox as soon as the button becomes hidden
   useOnDisappear(visible, data.buttonRef, actions.closeListbox)
@@ -1073,10 +1076,12 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
   })
 
   let labelledby = useComputed(() => data.buttonRef.current?.id, [data.buttonRef.current])
-  let slot = useMemo(
-    () => ({ open: data.listboxState === ListboxStates.Open }) satisfies OptionsRenderPropArg,
-    [data]
-  )
+  let slot = useMemo(() => {
+    return {
+      open: data.listboxState === ListboxStates.Open,
+      ...transitionData,
+    } satisfies OptionsRenderPropArg
+  }, [data.listboxState, transitionData])
 
   let ourProps = mergeProps(anchor ? getFloatingPanelProps() : {}, {
     id,

packages/@headlessui-react/src/components/menu/menu.tsx

@@ -37,6 +37,7 @@ import { useScrollLock } from '../../hooks/use-scroll-lock'
 import { useSyncRefs } from '../../hooks/use-sync-refs'
 import { useTextValue } from '../../hooks/use-text-value'
 import { useTrackedPointer } from '../../hooks/use-tracked-pointer'
+import { useTransitionData, type TransitionData } from '../../hooks/use-transition-data'
 import { useTreeWalker } from '../../hooks/use-tree-walker'
 import {
   FloatingProvider,
@@ -564,7 +565,7 @@ function ButtonFn<TTag extends ElementType = typeof DEFAULT_BUTTON_TAG>(
 let DEFAULT_ITEMS_TAG = 'div' as const
 type ItemsRenderPropArg = {
   open: boolean
-}
+} & TransitionData
 type ItemsPropsWeControl = 'aria-activedescendant' | 'aria-labelledby' | 'role' | 'tabIndex'
 
 let ItemsRenderFeatures = RenderFeatures.RenderStrategy | RenderFeatures.Static
@@ -577,6 +578,7 @@ export type MenuItemsProps<TTag extends ElementType = typeof DEFAULT_ITEMS_TAG>
     anchor?: AnchorProps
     portal?: boolean
     modal?: boolean
+    transition?: boolean
 
     // ItemsRenderFeatures
     static?: boolean
@@ -594,6 +596,7 @@ function ItemsFn<TTag extends ElementType = typeof DEFAULT_ITEMS_TAG>(
     anchor: rawAnchor,
     portal = false,
     modal = true,
+    transition = false,
     ...theirProps
   } = props
   let anchor = useResolvedAnchor(rawAnchor)
@@ -608,16 +611,14 @@ function ItemsFn<TTag extends ElementType = typeof DEFAULT_ITEMS_TAG>(
     portal = true
   }
 
-  let searchDisposables = useDisposables()
-
   let usesOpenClosedState = useOpenClosed()
-  let visible = (() => {
-    if (usesOpenClosedState !== null) {
-      return (usesOpenClosedState & State.Open) === State.Open
-    }
-
-    return state.menuState === MenuStates.Open
-  })()
+  let [visible, transitionData] = useTransitionData(
+    transition,
+    state.itemsRef,
+    usesOpenClosedState !== null
+      ? (usesOpenClosedState & State.Open) === State.Open
+      : state.menuState === MenuStates.Open
+  )
 
   // Ensure we close the menu as soon as the button becomes hidden
   useOnDisappear(visible, state.buttonRef, () => {
@@ -671,6 +672,7 @@ function ItemsFn<TTag extends ElementType = typeof DEFAULT_ITEMS_TAG>(
     },
   })
 
+  let searchDisposables = useDisposables()
   let handleKeyDown = useEvent((event: ReactKeyboardEvent<HTMLElement>) => {
     searchDisposables.dispose()
 
@@ -755,10 +757,12 @@ function ItemsFn<TTag extends ElementType = typeof DEFAULT_ITEMS_TAG>(
     }
   })
 
-  let slot = useMemo(
-    () => ({ open: state.menuState === MenuStates.Open }) satisfies ItemsRenderPropArg,
-    [state]
-  )
+  let slot = useMemo(() => {
+    return {
+      open: state.menuState === MenuStates.Open,
+      ...transitionData,
+    } satisfies ItemsRenderPropArg
+  }, [state, transitionData])
 
   let ourProps = mergeProps(anchor ? getFloatingPanelProps() : {}, {
     'aria-activedescendant':