feat(App): add global portal prop (#3688)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/components/App.vue

@@ -6,6 +6,7 @@ export interface AppProps<T extends Messages = Messages> extends Omit<ConfigProv
   tooltip?: TooltipProviderProps
   toaster?: ToasterProps | null
   locale?: Locale<T>
+  portal?: string | HTMLElement
 }
 
 export interface AppSlots {
@@ -22,10 +23,14 @@ import { toRef, useId, provide } from 'vue'
 import { ConfigProvider, TooltipProvider, useForwardProps } from 'reka-ui'
 import { reactivePick } from '@vueuse/core'
 import { localeContextInjectionKey } from '../composables/useLocale'
+import { portalTargetInjectionKey } from '../composables/usePortal'
 import UToaster from './Toaster.vue'
 import UOverlayProvider from './OverlayProvider.vue'
 
-const props = defineProps<AppProps<T>>()
+const props = withDefaults(defineProps<AppProps<T>>(), {
+  portal: 'body'
+})
+
 defineSlots<AppSlots>()
 
 const configProviderProps = useForwardProps(reactivePick(props, 'scrollBody'))
@@ -34,6 +39,9 @@ const toasterProps = toRef(() => props.toaster)
 
 const locale = toRef(() => props.locale)
 provide(localeContextInjectionKey, locale)
+
+const portal = toRef(() => props.portal)
+provide(portalTargetInjectionKey, portal)
 </script>
 
 <template>

src/runtime/components/ContextMenu.vue

@@ -66,7 +66,7 @@ export interface ContextMenuProps<T extends ArrayOrNested<ContextMenuItem> = Arr
    * Render the menu in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * The key used to get the label from the item.
    * @defaultValue 'label'

src/runtime/components/ContextMenuContent.vue

@@ -9,7 +9,7 @@ type ContextMenu = ComponentConfig<typeof theme, AppConfig, 'contextMenu'>
 
 interface ContextMenuContentProps<T extends ArrayOrNested<ContextMenuItem>> extends Omit<RekaContextMenuContentProps, 'as' | 'asChild' | 'forceMount'> {
   items?: T
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   sub?: boolean
   labelKey: keyof NestedItem<T>
   /**
@@ -33,12 +33,13 @@ interface ContextMenuContentEmits extends RekaContextMenuContentEmits {}
 </script>
 
 <script setup lang="ts" generic="T extends ArrayOrNested<ContextMenuItem>">
-import { computed } from 'vue'
+import { computed, toRef } from 'vue'
 import { ContextMenu } from 'reka-ui/namespaced'
 import { useForwardPropsEmits } from 'reka-ui'
 import { reactiveOmit, createReusableTemplate } from '@vueuse/core'
 import { useAppConfig } from '#imports'
 import { useLocale } from '../composables/useLocale'
+import { usePortal } from '../composables/usePortal'
 import { omit, get, isArrayOfArray } from '../utils'
 import { pickLinkProps } from '../utils/link'
 import ULinkBase from './LinkBase.vue'
@@ -56,6 +57,7 @@ const slots = defineSlots<ContextMenuSlots<T>>()
 const { dir } = useLocale()
 const appConfig = useAppConfig()
 
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = useForwardPropsEmits(reactiveOmit(props, 'sub', 'items', 'portal', 'labelKey', 'checkedIcon', 'loadingIcon', 'externalIcon', 'class', 'ui', 'uiOverride'), emits)
 const proxySlots = omit(slots, ['default'])
 
@@ -103,7 +105,7 @@ const groups = computed<ContextMenuItem[][]>(() =>
     </slot>
   </DefineItemTemplate>
 
-  <ContextMenu.Portal :disabled="!portal">
+  <ContextMenu.Portal v-bind="portalProps">
     <component :is="sub ? ContextMenu.SubContent : ContextMenu.Content" :class="props.class" v-bind="contentProps">
       <ContextMenu.Group v-for="(group, groupIndex) in groups" :key="`group-${groupIndex}`" :class="ui.group({ class: uiOverride?.group })">
         <template v-for="(item, index) in group" :key="`group-${groupIndex}-${index}`">

src/runtime/components/Drawer.vue

@@ -36,7 +36,7 @@ export interface DrawerProps extends Pick<DrawerRootProps, 'activeSnapPoint' | '
    * Render the drawer in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   class?: any
   ui?: Drawer['slots']
 }
@@ -60,6 +60,7 @@ import { useForwardPropsEmits } from 'reka-ui'
 import { DrawerRoot, DrawerTrigger, DrawerPortal, DrawerOverlay, DrawerContent, DrawerTitle, DrawerDescription, DrawerHandle } from 'vaul-vue'
 import { reactivePick } from '@vueuse/core'
 import { useAppConfig } from '#imports'
+import { usePortal } from '../composables/usePortal'
 import { tv } from '../utils/tv'
 
 const props = withDefaults(defineProps<DrawerProps>(), {
@@ -76,6 +77,7 @@ const slots = defineSlots<DrawerSlots>()
 const appConfig = useAppConfig() as Drawer['AppConfig']
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'activeSnapPoint', 'closeThreshold', 'shouldScaleBackground', 'setBackgroundColorOnScale', 'scrollLockTimeout', 'fixed', 'dismissible', 'modal', 'open', 'defaultOpen', 'nested', 'direction', 'noBodyStyles', 'handleOnly', 'preventScrollRestoration', 'snapPoints'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => props.content)
 const contentEvents = {
   closeAutoFocus: (e: Event) => e.preventDefault()
@@ -93,7 +95,7 @@ const ui = computed(() => tv({ extend: tv(theme), ...(appConfig.ui?.drawer || {}
       <slot />
     </DrawerTrigger>
 
-    <DrawerPortal :disabled="!portal">
+    <DrawerPortal v-bind="portalProps">
       <DrawerOverlay v-if="overlay" :class="ui.overlay({ class: props.ui?.overlay })" />
 
       <DrawerContent :class="ui.content({ class: [!slots.default && props.class, props.ui?.content] })" v-bind="contentProps" v-on="contentEvents">

src/runtime/components/DropdownMenu.vue

@@ -74,7 +74,7 @@ export interface DropdownMenuProps<T extends ArrayOrNested<DropdownMenuItem> = A
    * Render the menu in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * The key used to get the label from the item.
    * @defaultValue 'label'

src/runtime/components/DropdownMenuContent.vue

@@ -10,7 +10,7 @@ type DropdownMenu = ComponentConfig<typeof theme, AppConfig, 'dropdownMenu'>
 
 interface DropdownMenuContentProps<T extends ArrayOrNested<DropdownMenuItem>> extends Omit<RekaDropdownMenuContentProps, 'as' | 'asChild' | 'forceMount'> {
   items?: T
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   sub?: boolean
   labelKey: keyof NestedItem<T>
   /**
@@ -39,12 +39,13 @@ type DropdownMenuContentSlots<T extends ArrayOrNested<DropdownMenuItem>> = Omit<
 </script>
 
 <script setup lang="ts" generic="T extends ArrayOrNested<DropdownMenuItem>">
-import { computed } from 'vue'
+import { computed, toRef } from 'vue'
 import { DropdownMenu } from 'reka-ui/namespaced'
 import { useForwardPropsEmits } from 'reka-ui'
 import { reactiveOmit, createReusableTemplate } from '@vueuse/core'
 import { useAppConfig } from '#imports'
 import { useLocale } from '../composables/useLocale'
+import { usePortal } from '../composables/usePortal'
 import { omit, get, isArrayOfArray } from '../utils'
 import { pickLinkProps } from '../utils/link'
 import ULinkBase from './LinkBase.vue'
@@ -62,6 +63,7 @@ const slots = defineSlots<DropdownMenuContentSlots<T>>()
 const { dir } = useLocale()
 const appConfig = useAppConfig()
 
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = useForwardPropsEmits(reactiveOmit(props, 'sub', 'items', 'portal', 'labelKey', 'checkedIcon', 'loadingIcon', 'externalIcon', 'class', 'ui', 'uiOverride'), emits)
 const proxySlots = omit(slots, ['default'])
 
@@ -109,7 +111,7 @@ const groups = computed<DropdownMenuItem[][]>(() =>
     </slot>
   </DefineItemTemplate>
 
-  <DropdownMenu.Portal :disabled="!portal">
+  <DropdownMenu.Portal v-bind="portalProps">
     <component :is="sub ? DropdownMenu.SubContent : DropdownMenu.Content" :class="props.class" v-bind="contentProps">
       <DropdownMenu.Group v-for="(group, groupIndex) in groups" :key="`group-${groupIndex}`" :class="ui.group({ class: uiOverride?.group })">
         <template v-for="(item, index) in group" :key="`group-${groupIndex}-${index}`">

src/runtime/components/InputMenu.vue

@@ -86,7 +86,7 @@ export interface InputMenuProps<T extends ArrayOrNested<InputMenuItem> = ArrayOr
    * Render the menu in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * When `items` is an array of objects, select the field to use as the value instead of the object itself.
    * @defaultValue undefined
@@ -177,6 +177,7 @@ import { useButtonGroup } from '../composables/useButtonGroup'
 import { useComponentIcons } from '../composables/useComponentIcons'
 import { useFormField } from '../composables/useFormField'
 import { useLocale } from '../composables/useLocale'
+import { usePortal } from '../composables/usePortal'
 import { compare, get, isArrayOfArray } from '../utils'
 import { tv } from '../utils/tv'
 import UIcon from './Icon.vue'
@@ -203,6 +204,7 @@ const appConfig = useAppConfig() as InputMenu['AppConfig']
 const { contains } = useFilter({ sensitivity: 'base' })
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'as', 'modelValue', 'defaultValue', 'open', 'defaultOpen', 'required', 'multiple', 'resetSearchTermOnBlur', 'resetSearchTermOnSelect', 'highlightOnHover', 'ignoreFilter'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => defu(props.content, { side: 'bottom', sideOffset: 8, collisionPadding: 8, position: 'popper' }) as ComboboxContentProps)
 const arrowProps = toRef(() => props.arrow as ComboboxArrowProps)
 
@@ -474,7 +476,7 @@ defineExpose({
       </ComboboxTrigger>
     </ComboboxAnchor>
 
-    <ComboboxPortal :disabled="!portal">
+    <ComboboxPortal v-bind="portalProps">
       <ComboboxContent :class="ui.content({ class: props.ui?.content })" v-bind="contentProps">
         <ComboboxEmpty :class="ui.empty({ class: props.ui?.empty })">
           <slot name="empty" :search-term="searchTerm">

src/runtime/components/Modal.vue

@@ -31,7 +31,7 @@ export interface ModalProps extends DialogRootProps {
    * Render the modal in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * Display a close button to dismiss the modal.
    * `{ size: 'md', color: 'neutral', variant: 'ghost' }`{lang="ts-type"}
@@ -75,6 +75,7 @@ import { DialogRoot, DialogTrigger, DialogPortal, DialogOverlay, DialogContent,
 import { reactivePick } from '@vueuse/core'
 import { useAppConfig } from '#imports'
 import { useLocale } from '../composables/useLocale'
+import { usePortal } from '../composables/usePortal'
 import { tv } from '../utils/tv'
 import UButton from './Button.vue'
 
@@ -93,6 +94,7 @@ const { t } = useLocale()
 const appConfig = useAppConfig() as Modal['AppConfig']
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'open', 'defaultOpen', 'modal'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => props.content)
 const contentEvents = computed(() => {
   const events = {
@@ -123,7 +125,7 @@ const ui = computed(() => tv({ extend: tv(theme), ...(appConfig.ui?.modal || {})
       <slot :open="open" />
     </DialogTrigger>
 
-    <DialogPortal :disabled="!portal">
+    <DialogPortal v-bind="portalProps">
       <DialogOverlay v-if="overlay" :class="ui.overlay({ class: props.ui?.overlay })" />
 
       <DialogContent :class="ui.content({ class: [!slots.default && props.class, props.ui?.content] })" v-bind="contentProps" @after-leave="emits('after:leave')" v-on="contentEvents">

src/runtime/components/Popover.vue

@@ -26,7 +26,7 @@ export interface PopoverProps extends PopoverRootProps, Pick<HoverCardRootProps,
    * Render the popover in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * When `false`, the popover will not close when clicking outside or pressing escape.
    * @defaultValue true
@@ -51,6 +51,7 @@ import { useForwardPropsEmits } from 'reka-ui'
 import { Popover, HoverCard } from 'reka-ui/namespaced'
 import { reactivePick } from '@vueuse/core'
 import { useAppConfig } from '#imports'
+import { usePortal } from '../composables/usePortal'
 import { tv } from '../utils/tv'
 
 const props = withDefaults(defineProps<PopoverProps>(), {
@@ -67,6 +68,7 @@ const appConfig = useAppConfig() as Popover['AppConfig']
 
 const pick = props.mode === 'hover' ? reactivePick(props, 'defaultOpen', 'open', 'openDelay', 'closeDelay') : reactivePick(props, 'defaultOpen', 'open', 'modal')
 const rootProps = useForwardPropsEmits(pick, emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => defu(props.content, { side: 'bottom', sideOffset: 8, collisionPadding: 8 }) as PopoverContentProps)
 const contentEvents = computed(() => {
   if (!props.dismissible) {
@@ -95,7 +97,7 @@ const Component = computed(() => props.mode === 'hover' ? HoverCard : Popover)
       <slot :open="open" />
     </Component.Trigger>
 
-    <Component.Portal :disabled="!portal">
+    <Component.Portal v-bind="portalProps">
       <Component.Content v-bind="contentProps" :class="ui.content({ class: [!slots.default && props.class, props.ui?.content] })" v-on="contentEvents">
         <slot name="content" />
 

src/runtime/components/Select.vue

@@ -70,7 +70,7 @@ export interface SelectProps<T extends ArrayOrNested<SelectItem> = ArrayOrNested
    * Render the menu in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * When `items` is an array of objects, select the field to use as the value.
    * @defaultValue 'value'
@@ -138,6 +138,7 @@ import { useAppConfig } from '#imports'
 import { useButtonGroup } from '../composables/useButtonGroup'
 import { useComponentIcons } from '../composables/useComponentIcons'
 import { useFormField } from '../composables/useFormField'
+import { usePortal } from '../composables/usePortal'
 import { compare, get, isArrayOfArray } from '../utils'
 import { tv } from '../utils/tv'
 import UIcon from './Icon.vue'
@@ -157,6 +158,7 @@ const slots = defineSlots<SelectSlots<T, VK, M>>()
 const appConfig = useAppConfig() as Select['AppConfig']
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'open', 'defaultOpen', 'disabled', 'autocomplete', 'required', 'multiple'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => defu(props.content, { side: 'bottom', sideOffset: 8, collisionPadding: 8, position: 'popper' }) as SelectContentProps)
 const arrowProps = toRef(() => props.arrow as SelectArrowProps)
 
@@ -260,7 +262,7 @@ function isSelectItem(item: SelectItem): item is SelectItemBase {
       </span>
     </SelectTrigger>
 
-    <SelectPortal :disabled="!portal">
+    <SelectPortal v-bind="portalProps">
       <SelectContent :class="ui.content({ class: props.ui?.content })" v-bind="contentProps">
         <SelectViewport :class="ui.viewport({ class: props.ui?.viewport })">
           <SelectGroup v-for="(group, groupIndex) in groups" :key="`group-${groupIndex}`" :class="ui.group({ class: props.ui?.group })">

src/runtime/components/SelectMenu.vue

@@ -78,7 +78,7 @@ export interface SelectMenuProps<T extends ArrayOrNested<SelectMenuItem> = Array
    * Render the menu in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * When `items` is an array of objects, select the field to use as the value instead of the object itself.
    * @defaultValue undefined
@@ -170,6 +170,7 @@ import { useButtonGroup } from '../composables/useButtonGroup'
 import { useComponentIcons } from '../composables/useComponentIcons'
 import { useFormField } from '../composables/useFormField'
 import { useLocale } from '../composables/useLocale'
+import { usePortal } from '../composables/usePortal'
 import { compare, get, isArrayOfArray } from '../utils'
 import { tv } from '../utils/tv'
 import UIcon from './Icon.vue'
@@ -196,6 +197,7 @@ const appConfig = useAppConfig() as SelectMenu['AppConfig']
 const { contains } = useFilter({ sensitivity: 'base' })
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'modelValue', 'defaultValue', 'open', 'defaultOpen', 'required', 'multiple', 'resetSearchTermOnBlur', 'resetSearchTermOnSelect', 'highlightOnHover'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => defu(props.content, { side: 'bottom', sideOffset: 8, collisionPadding: 8, position: 'popper' }) as ComboboxContentProps)
 const arrowProps = toRef(() => props.arrow as ComboboxArrowProps)
 const searchInputProps = toRef(() => defu(props.searchInput, { placeholder: t('selectMenu.search'), variant: 'none' }) as InputProps)
@@ -396,7 +398,7 @@ function isSelectItem(item: SelectMenuItem): item is _SelectMenuItem {
       </ComboboxTrigger>
     </ComboboxAnchor>
 
-    <ComboboxPortal :disabled="!portal">
+    <ComboboxPortal v-bind="portalProps">
       <ComboboxContent :class="ui.content({ class: props.ui?.content })" v-bind="contentProps">
         <FocusScope trapped :class="ui.focusScope({ class: props.ui?.focusScope })">
           <ComboboxInput v-if="!!searchInput" v-model="searchTerm" :display-value="() => searchTerm" as-child>

src/runtime/components/Slideover.vue

@@ -31,7 +31,7 @@ export interface SlideoverProps extends DialogRootProps {
    * Render the slideover in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * Display a close button to dismiss the slideover.
    * `{ size: 'md', color: 'neutral', variant: 'ghost' }`{lang="ts-type"}
@@ -75,6 +75,7 @@ import { DialogRoot, DialogTrigger, DialogPortal, DialogOverlay, DialogContent,
 import { reactivePick } from '@vueuse/core'
 import { useAppConfig } from '#imports'
 import { useLocale } from '../composables/useLocale'
+import { usePortal } from '../composables/usePortal'
 import { tv } from '../utils/tv'
 import UButton from './Button.vue'
 
@@ -94,6 +95,7 @@ const { t } = useLocale()
 const appConfig = useAppConfig() as Slideover['AppConfig']
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'open', 'defaultOpen', 'modal'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => props.content)
 const contentEvents = computed(() => {
   const events = {
@@ -124,7 +126,7 @@ const ui = computed(() => tv({ extend: tv(theme), ...(appConfig.ui?.slideover ||
       <slot :open="open" />
     </DialogTrigger>
 
-    <DialogPortal :disabled="!portal">
+    <DialogPortal v-bind="portalProps">
       <DialogOverlay v-if="overlay" :class="ui.overlay({ class: props.ui?.overlay })" />
 
       <DialogContent :data-side="side" :class="ui.content({ class: [!slots.default && props.class, props.ui?.content] })" v-bind="contentProps" @after-leave="emits('after:leave')" v-on="contentEvents">

src/runtime/components/Toaster.vue

@@ -21,7 +21,7 @@ export interface ToasterProps extends Omit<ToastProviderProps, 'swipeDirection'>
    * Render the toaster in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   class?: any
   ui?: Toaster['slots']
 }
@@ -36,11 +36,12 @@ export default {
 </script>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { ref, computed, toRef } from 'vue'
 import { ToastProvider, ToastViewport, ToastPortal, useForwardProps } from 'reka-ui'
 import { reactivePick } from '@vueuse/core'
 import { useAppConfig } from '#imports'
 import { useToast } from '../composables/useToast'
+import { usePortal } from '../composables/usePortal'
 import { omit } from '../utils'
 import { tv } from '../utils/tv'
 import UToast from './Toast.vue'
@@ -56,6 +57,7 @@ const { toasts, remove } = useToast()
 const appConfig = useAppConfig() as Toaster['AppConfig']
 
 const providerProps = useForwardProps(reactivePick(props, 'duration', 'label', 'swipeThreshold'))
+const portalProps = usePortal(toRef(() => props.portal))
 
 const swipeDirection = computed(() => {
   switch (props.position) {
@@ -126,7 +128,7 @@ function getOffset(index: number) {
       @click="toast.onClick && toast.onClick(toast)"
     />
 
-    <ToastPortal :disabled="!portal">
+    <ToastPortal v-bind="portalProps">
       <ToastViewport
         :data-expanded="expanded"
         :class="ui.viewport({ class: [props.class, props.ui?.viewport] })"

src/runtime/components/Tooltip.vue

@@ -26,7 +26,7 @@ export interface TooltipProps extends TooltipRootProps {
    * Render the tooltip in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   class?: any
   ui?: Tooltip['slots']
 }
@@ -45,6 +45,7 @@ import { defu } from 'defu'
 import { TooltipRoot, TooltipTrigger, TooltipPortal, TooltipContent, TooltipArrow, useForwardPropsEmits } from 'reka-ui'
 import { reactivePick } from '@vueuse/core'
 import { useAppConfig } from '#imports'
+import { usePortal } from '../composables/usePortal'
 import { tv } from '../utils/tv'
 import UKbd from './Kbd.vue'
 
@@ -57,6 +58,7 @@ const slots = defineSlots<TooltipSlots>()
 const appConfig = useAppConfig() as Tooltip['AppConfig']
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'defaultOpen', 'open', 'delayDuration', 'disableHoverableContent', 'disableClosingTrigger', 'disabled', 'ignoreNonKeyboardFocus'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => defu(props.content, { side: 'bottom', sideOffset: 8, collisionPadding: 8 }) as TooltipContentProps)
 const arrowProps = toRef(() => props.arrow as TooltipArrowProps)
 
@@ -72,7 +74,7 @@ const ui = computed(() => tv({ extend: tv(theme), ...(appConfig.ui?.tooltip || {
       <slot :open="open" />
     </TooltipTrigger>
 
-    <TooltipPortal :disabled="!portal">
+    <TooltipPortal v-bind="portalProps">
       <TooltipContent v-bind="contentProps" :class="ui.content({ class: [!slots.default && props.class, props.ui?.content] })">
         <slot name="content">
           <span v-if="text" :class="ui.text({ class: props.ui?.text })">{{ text }}</span>

src/runtime/composables/usePortal.ts

@@ -0,0 +1,24 @@
+import { inject, provide, computed, type Ref, type InjectionKey } from 'vue'
+
+export const portalTargetInjectionKey: InjectionKey<Ref<string | HTMLElement>> = Symbol('nuxt-ui.portal-target')
+
+export function usePortal(portal: Ref<string | HTMLElement | boolean | undefined>) {
+  const portalTarget = inject(portalTargetInjectionKey, undefined)
+
+  const to = computed(() => {
+    if (typeof portal.value === 'string' || portal.value instanceof HTMLElement) {
+      return portal.value
+    }
+
+    return portalTarget?.value ?? 'body'
+  })
+
+  const disabled = computed(() => typeof portal.value === 'boolean' ? !portal.value : false)
+
+  provide(portalTargetInjectionKey, computed(() => to.value))
+
+  return computed(() => ({
+    to: to.value,
+    disabled: disabled.value
+  }))
+}