Menubar

Organizes and presents a collection of menu options or actions within a horizontal bar.

	<script lang="ts">
  import { Menubar } from "bits-ui";
  import CaretRight from "phosphor-svelte/lib/CaretRight";
  import Cat from "phosphor-svelte/lib/Cat";
  import Check from "phosphor-svelte/lib/Check";
  import { SwitchOff, SwitchOn } from "$icons/index.js";
 
  let selectedView = $state("table");
  let selectedProfile = $state("pavel");
 
  let grids = $state([
    {
      checked: true,
      label: "Pixel"
    },
    {
      checked: false,
      label: "Layout"
    }
  ]);
 
  let showConfigs = $state([
    {
      checked: true,
      label: "Show Bookmarks"
    },
    {
      checked: false,
      label: "Show Full URLs"
    }
  ]);
 
  const profiles = [
    {
      value: "hunter",
      label: "Hunter"
    },
    {
      value: "pavel",
      label: "Pavel"
    },
    {
      value: "adrian",
      label: "Adrian"
    }
  ];
 
  const views = [
    {
      value: "table",
      label: "Table"
    },
    {
      value: "board",
      label: "Board"
    },
    {
      value: "gallery",
      label: "Gallery"
    }
  ];
</script>
 
<Menubar.Root
  class="flex h-12 items-center gap-1 rounded-10px border border-dark-10 bg-background-alt px-[3px] shadow-mini"
>
  <div class="px-2.5">
    <Cat class="size-6" />
  </div>
  <Menubar.Menu>
    <Menubar.Trigger
      class="inline-flex h-10 cursor-default items-center justify-center rounded-9px px-3 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted data-[state=open]:bg-muted"
    >
      View
    </Menubar.Trigger>
    <Menubar.Content
      class="focus-override z-50 w-full max-w-[220px] rounded-xl border border-muted bg-background px-1 py-1.5 shadow-popover focus-visible:outline-none"
      align="start"
      sideOffset={3}
    >
      {#each grids as grid}
        <Menubar.CheckboxItem
          class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
          bind:checked={grid.checked}
        >
          {#snippet children({ checked })}
            {grid.label} grid
            {#if checked}
              <SwitchOn />
            {:else}
              <div class="ml-auto">
                <SwitchOff />
              </div>
            {/if}
          {/snippet}
        </Menubar.CheckboxItem>
      {/each}
      <Menubar.Separator class="my-1 -ml-1 -mr-1 block h-px bg-muted" />
      <Menubar.RadioGroup bind:value={selectedView}>
        {#each views as view}
          <Menubar.RadioItem
            value={view.value}
            class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
          >
            {#snippet children({ checked })}
              {view.label}
              {#if checked}
                <Check class="size-5" />
              {/if}
            {/snippet}
          </Menubar.RadioItem>
        {/each}
      </Menubar.RadioGroup>
    </Menubar.Content>
  </Menubar.Menu>
  <Menubar.Menu>
    <Menubar.Trigger
      class="inline-flex h-10 cursor-default items-center justify-center rounded-[9px] px-3 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted data-[state=open]:bg-muted"
      >Edit</Menubar.Trigger
    >
    <Menubar.Content
      class="focus-override z-50 w-full max-w-[220px] rounded-xl border border-muted bg-background px-1 py-1.5 shadow-popover focus-visible:outline-none"
      align="start"
      sideOffset={3}
    >
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Undo</Menubar.Item
      >
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Redo</Menubar.Item
      >
      <Menubar.Separator />
      <Menubar.Sub>
        <Menubar.SubTrigger
          class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted data-[state=open]:bg-muted"
        >
          Find
          <div class="ml-auto flex items-center gap-px">
            <CaretRight class="h-4 w-4 text-foreground-alt" />
          </div>
        </Menubar.SubTrigger>
        <Menubar.SubContent
          class="focus-override w-full max-w-[209px] rounded-xl border border-muted bg-background px-1 py-1.5 shadow-popover focus-visible:outline-none"
        >
          <Menubar.Item
            class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
            >Search the web</Menubar.Item
          >
          <Menubar.Separator />
          <Menubar.Item
            class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
            >Find...</Menubar.Item
          >
          <Menubar.Item
            class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
            >Find Next</Menubar.Item
          >
          <Menubar.Item
            class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
            >Find Previous</Menubar.Item
          >
        </Menubar.SubContent>
      </Menubar.Sub>
      <Menubar.Separator />
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Cut</Menubar.Item
      >
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Copy</Menubar.Item
      >
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Paste</Menubar.Item
      >
    </Menubar.Content>
  </Menubar.Menu>
  <Menubar.Menu>
    <Menubar.Trigger
      class="inline-flex h-10 cursor-default items-center justify-center rounded-9px px-3 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted data-[state=open]:bg-muted"
      >View</Menubar.Trigger
    >
    <Menubar.Content
      class="focus-override z-50 w-full max-w-[220px] rounded-xl border border-muted bg-background px-1 py-1.5 shadow-popover focus-visible:outline-none"
      align="start"
      sideOffset={3}
    >
      {#each showConfigs as config}
        <Menubar.CheckboxItem
          class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
          bind:checked={config.checked}
        >
          {#snippet children({ checked })}
            {config.label}
            {#if checked}
              <SwitchOn />
            {:else}
              <div class="ml-auto">
                <SwitchOff />
              </div>
            {/if}
          {/snippet}
        </Menubar.CheckboxItem>
      {/each}
      <Menubar.Separator />
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Reload</Menubar.Item
      >
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Force Reload</Menubar.Item
      >
      <Menubar.Separator />
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Toggle Fullscreen</Menubar.Item
      >
      <Menubar.Separator />
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Hide Sidebar</Menubar.Item
      >
    </Menubar.Content>
  </Menubar.Menu>
  <Menubar.Menu>
    <Menubar.Trigger
      class="mr-[20px] inline-flex h-10 cursor-default items-center justify-center rounded-[9px] px-3 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted data-[state=open]:bg-muted"
      >Profiles</Menubar.Trigger
    >
    <Menubar.Content
      class="focus-override z-50 w-full max-w-[220px] rounded-xl border border-muted bg-background px-1 py-1.5 shadow-popover focus-visible:outline-none"
      align="start"
      sideOffset={3}
    >
      <Menubar.RadioGroup bind:value={selectedProfile}>
        {#each profiles as profile}
          <Menubar.RadioItem
            class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
            value={profile.value}
          >
            {#snippet children({ checked })}
              {profile.label}
              {#if checked}
                <Check class="size-5" />
              {/if}
            {/snippet}
          </Menubar.RadioItem>
        {/each}
      </Menubar.RadioGroup>
      <Menubar.Separator />
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Edit...</Menubar.Item
      >
      <Menubar.Separator />
      <Menubar.Item
        class="flex h-10 select-none items-center rounded-button py-3 pl-3 pr-1.5 text-sm font-medium !ring-0 !ring-transparent data-[highlighted]:bg-muted"
        >Add Profile...</Menubar.Item
      >
    </Menubar.Content>
  </Menubar.Menu>
</Menubar.Root>

Structure

	<script lang="ts">
	import { Menubar } from "bits-ui";
</script>
 
<Menubar.Root>
	<Menubar.Menu>
		<Menubar.Trigger />
		<Menubar.Content>
			<Menubar.Label />
			<Menubar.Item />
 
			<Menubar.Group>
				<Menubar.Item />
			</Menubar.Group>
 
			<Menubar.CheckboxItem>
				<Menubar.CheckboxIndicator />
			</Menubar.CheckboxItem>
 
			<Menubar.RadioGroup>
				<Menubar.RadioItem>
					<Menubar.RadioIndicator />
				<Menubar.RadioItem>
			</Menubar.RadioGroup>
 
			<Menubar.Sub>
				<Menubar.SubTrigger />
				<Menubar.SubContent />
			</Menubar.Sub>
 
			<Menubar.Separator />
			<Menubar.Arrow />
		</Menubar.Content>
	</Menubar.Menu>
</Menubar.Root>

API Reference

Menubar.Root

The root menubar component which manages & scopes the state of the menubar.

Property Type Description
value bindable prop
string

The value of the currently active menu.

Default: undefined
onValueChange
function

A callback function called when the active menu value changes.

Default: undefined
dir
enum

The reading direction of the app.

Default: ltr
loop
boolean

Whether or not to loop through the menubar menu triggers when navigating with the keyboard.

Default: true
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined

Menubar.Menu

A menu within the menubar.

Property Type Description
value
string

The value of this menu within the menubar, used to identify it when determining which menu is active.

Default: undefined
open bindable prop
boolean

The open state of the menu.

Default: false
onOpenChange
function

A callback that is fired when the menu's open state changes.

Default: undefined
dir
enum

The reading direction of the app.

Default: ltr
children
Snippet

The children content to render.

Default: undefined

Menubar.Trigger

The button element which toggles the dropdown menu.

Property Type Description
disabled
boolean

Whether or not the menu trigger is disabled.

Default: false
ref bindable prop
HTMLButtonElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-state
enum

The open state of the menu or submenu the element controls or belongs to.

data-menu-trigger
''

Present on the trigger element.

Menubar.Content

The content displayed when the dropdown menu is open.

Property Type Description
side
enum

The preferred side of the anchor to render the floating element against when open. Will be reversed when collisions occur.

Default: bottom
sideOffset
number

The distance in pixels from the anchor to the floating element.

Default: 0
align
enum

The preferred alignment of the anchor to render the floating element against when open. This may change when collisions occur.

Default: start
alignOffset
number

The distance in pixels from the anchor to the floating element.

Default: 0
arrowPadding
number

The amount in pixels of virtual padding around the viewport edges to check for overflow which will cause a collision.

Default: 0
avoidCollisions
boolean

When true, overrides the side and align options to prevent collisions with the boundary edges.

Default: true
collisionBoundary
union

A boundary element or array of elements to check for collisions against.

Default: undefined
collisionPadding
union

The amount in pixels of virtual padding around the viewport edges to check for overflow which will cause a collision.

Default: 0
sticky
enum

The sticky behavior on the align axis. 'partial' will keep the content in the boundary as long as the trigger is at least partially in the boundary whilst 'always' will keep the content in the boundary regardless.

Default: partial
hideWhenDetached
boolean

When true, hides the content when it is detached from the DOM. This is useful for when you want to hide the content when the user scrolls away.

Default: true
updatePositionStrategy
enum

The strategy to use when updating the position of the content. When 'optimized' the content will only be repositioned when the trigger is in the viewport. When 'always' the content will be repositioned whenever the position changes.

Default: optimized
strategy
enum

The positioning strategy to use for the floating element. When 'fixed' the element will be positioned relative to the viewport. When 'absolute' the element will be positioned relative to the nearest positioned ancestor.

Default: fixed
preventScroll
boolean

When true, prevents the body from scrolling when the content is open. This is useful when you want to use the content as a modal.

Default: true
onEscapeKeydown
function

Callback fired when an escape keydown event occurs in the floating content. You can call event.preventDefault() to prevent the default behavior of handling the escape keydown event.

Default: undefined
escapeKeydownBehavior
enum

The behavior to use when an escape keydown event occurs in the floating content. 'close' will close the content immediately. 'ignore' will prevent the content from closing. 'defer-otherwise-close' will defer to the parent element if it exists, otherwise it will close the content. 'defer-otherwise-ignore' will defer to the parent element if it exists, otherwise it will ignore the interaction.

Default: close
onInteractOutside
function

Callback fired when an outside interaction event completes, which is either a pointerup, mouseup, or touchend event, depending on the user's input device. You can call event.preventDefault() to prevent the default behavior of handling the outside interaction.

Default: undefined
onInteractOutsideStart
function

Callback fired when an outside interaction event starts, which is either a pointerdown, mousedown, or touchstart event, depending on the user's input device. You can call event.preventDefault() to prevent the continuation of the outside interaction.

Default: undefined
onFocusOutside
function

Callback fired when focus leaves the dismissable layer. You can call event.preventDefault() to prevent the default behavior on focus leaving the layer.

Default: undefined
interactOutsideBehavior
enum

The behavior to use when an interaction occurs outside of the floating content. 'close' will close the content immediately. 'ignore' will prevent the content from closing. 'defer-otherwise-close' will defer to the parent element if it exists, otherwise it will close the content. 'defer-otherwise-ignore' will defer to the parent element if it exists, otherwise it will ignore the interaction.

Default: close
onMountAutoFocus
function

Event handler called when auto-focusing the content as it is mounted. Can be prevented.

Default: undefined
onDestroyAutoFocus
function

Event handler called when auto-focusing the content as it is destroyed. Can be prevented.

Default: undefined
trapFocus
boolean

Whether or not to trap the focus within the content when open.

Default: true
forceMount
boolean

Whether or not to forcefully mount the content. This is useful if you want to use Svelte transitions or another animation library for the content.

Default: false
preventOverflowTextSelection
boolean

When true, prevents the text selection from overflowing the bounds of the element.

Default: true
dir
enum

The reading direction of the app.

Default: ltr
loop
boolean

Whether or not to loop through the menu items in when navigating with the keyboard.

Default: false
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-state
enum

The open state of the menu or submenu the element controls or belongs to.

data-menu-content
''

Present on the content element.

Menubar.Item

A menu item within the dropdown menu.

Property Type Description
disabled
boolean

Whether or not the menu item is disabled.

Default: false
textValue
string

The text value of the checkbox menu item. This is used for typeahead.

Default: undefined
onSelect
function

A callback that is fired when the menu item is selected.

Default: undefined
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-orientation
vertical
data-highlighted
''

Present when the menu item is highlighted.

data-disabled
''

Present when the menu item is disabled.

data-menu-item
''

Present on the item element.

Menubar.CheckboxItem

A menu item that can be controlled and toggled like a checkbox.

Property Type Description
disabled
boolean

Whether or not the checkbox menu item is disabled. Disabled items cannot be interacted with and are skipped when navigating with the keyboard.

Default: false
checked bindable prop
union

The checkbox menu item's checked state.

Default: false
onCheckedChange
function

A callback that is fired when the checkbox menu item's checked state changes.

Default: undefined
textValue
string

The text value of the checkbox menu item. This is used for typeahead.

Default: undefined
onSelect
function

A callback that is fired when the menu item is selected.

Default: undefined
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-orientation
vertical
data-highlighted
''

Present when the menu item is highlighted.

data-disabled
''

Present when the menu item is disabled.

data-state
enum

The checkbox menu item's checked state.

Menubar.RadioGroup

A group of radio menu items, where only one can be checked at a time.

Property Type Description
value bindable prop
string

The value of the currently checked radio menu item.

Default: undefined
onValueChange
function

A callback that is fired when the radio group's value changes.

Default: undefined
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-menu-radio-group
''

Present on the radio group element.

Menubar.RadioItem

A menu item that can be controlled and toggled like a radio button. It must be a child of a RadioGroup.

Property Type Description
value Required
string

The value of the radio item. When checked, the parent RadioGroup's value will be set to this value.

Default: undefined
disabled
boolean

Whether or not the radio menu item is disabled. Disabled items cannot be interacted with and are skipped when navigating with the keyboard.

Default: false
textValue
string

The text value of the checkbox menu item. This is used for typeahead.

Default: undefined
onSelect
function

A callback that is fired when the menu item is selected.

Default: undefined
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-orientation
vertical
data-highlighted
''

Present when the menu item is highlighted.

data-disabled
''

Present when the menu item is disabled.

data-state
enum

The radio menu item's checked state.

data-value
''

The value of the radio item.

data-menu-radio-item
''

Present on the radio item element.

Menubar.Separator

A horizontal line to visually separate menu items.

Property Type Description
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-orientation
vertical

The orientation of the separator.

data-menu-separator
''

Present on the separator element.

Menubar.Arrow

An optional arrow which points to the dropdown menu's anchor/trigger point.

Property Type Description
width
number

The width of the arrow in pixels.

Default: 8
height
number

The height of the arrow in pixels.

Default: 8
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-state
enum

The open state of the menu or submenu the element controls or belongs to.

data-menu-arrow
''

Present on the arrow element.

Menubar.Group

A group of menu items. It can be used along with the Menu.Label component to provide a visual label for a group of menu items. When a label is within a group, appropriate aria attributes will be applied to the group.

Property Type Description
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-menu-group
''

Present on the group element.

Menubar.GroupLabel

A label which will be skipped when navigating with the keyboard. It is used to provide a visual label for a group of menu items. When a label is within a Menu.Group, appropriate aria attributes will be applied to the group.

Property Type Description
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-menu-label
''

Present on the group label element.

Menubar.Sub

A submenu belonging to the parent dropdown menu. Responsible for managing the state of the submenu.

Property Type Description
open bindable prop
boolean

The open state of the submenu.

Default: false
onOpenChange
function

A callback that is fired when the submenu's open state changes.

Default: undefined
children
Snippet

The children content to render.

Default: undefined

Menubar.SubTrigger

A menu item which when pressed or hovered, opens the submenu.

Property Type Description
disabled
boolean

Whether or not the submenu trigger is disabled.

Default: false
textValue
string

The text value of the checkbox menu item. This is used for typeahead.

Default: undefined
onSelect
function

A callback that is fired when the menu item is selected.

Default: undefined
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-orientation
vertical
data-highlighted
''

Present when the menu item is highlighted.

data-disabled
''

Present when the menu item is disabled.

data-state
enum

The open state of the menu or submenu the element controls or belongs to.

data-menu-subtrigger
''

Present on the submenu trigger element.

Menubar.SubContent

The submenu content displayed when the parent submenu is open.

Property Type Description
side
enum

The preferred side of the anchor to render the floating element against when open. Will be reversed when collisions occur.

Default: bottom
sideOffset
number

The distance in pixels from the anchor to the floating element.

Default: 0
align
enum

The preferred alignment of the anchor to render the floating element against when open. This may change when collisions occur.

Default: start
alignOffset
number

The distance in pixels from the anchor to the floating element.

Default: 0
arrowPadding
number

The amount in pixels of virtual padding around the viewport edges to check for overflow which will cause a collision.

Default: 0
avoidCollisions
boolean

When true, overrides the side and align options to prevent collisions with the boundary edges.

Default: true
collisionBoundary
union

A boundary element or array of elements to check for collisions against.

Default: undefined
collisionPadding
union

The amount in pixels of virtual padding around the viewport edges to check for overflow which will cause a collision.

Default: 0
sticky
enum

The sticky behavior on the align axis. 'partial' will keep the content in the boundary as long as the trigger is at least partially in the boundary whilst 'always' will keep the content in the boundary regardless.

Default: partial
hideWhenDetached
boolean

When true, hides the content when it is detached from the DOM. This is useful for when you want to hide the content when the user scrolls away.

Default: true
updatePositionStrategy
enum

The strategy to use when updating the position of the content. When 'optimized' the content will only be repositioned when the trigger is in the viewport. When 'always' the content will be repositioned whenever the position changes.

Default: optimized
strategy
enum

The positioning strategy to use for the floating element. When 'fixed' the element will be positioned relative to the viewport. When 'absolute' the element will be positioned relative to the nearest positioned ancestor.

Default: fixed
preventScroll
boolean

When true, prevents the body from scrolling when the content is open. This is useful when you want to use the content as a modal.

Default: true
onEscapeKeydown
function

Callback fired when an escape keydown event occurs in the floating content. You can call event.preventDefault() to prevent the default behavior of handling the escape keydown event.

Default: undefined
escapeKeydownBehavior
enum

The behavior to use when an escape keydown event occurs in the floating content. 'close' will close the content immediately. 'ignore' will prevent the content from closing. 'defer-otherwise-close' will defer to the parent element if it exists, otherwise it will close the content. 'defer-otherwise-ignore' will defer to the parent element if it exists, otherwise it will ignore the interaction.

Default: close
onInteractOutside
function

Callback fired when an outside interaction event completes, which is either a pointerup, mouseup, or touchend event, depending on the user's input device. You can call event.preventDefault() to prevent the default behavior of handling the outside interaction.

Default: undefined
onInteractOutsideStart
function

Callback fired when an outside interaction event starts, which is either a pointerdown, mousedown, or touchstart event, depending on the user's input device. You can call event.preventDefault() to prevent the continuation of the outside interaction.

Default: undefined
onFocusOutside
function

Callback fired when focus leaves the dismissable layer. You can call event.preventDefault() to prevent the default behavior on focus leaving the layer.

Default: undefined
interactOutsideBehavior
enum

The behavior to use when an interaction occurs outside of the floating content. 'close' will close the content immediately. 'ignore' will prevent the content from closing. 'defer-otherwise-close' will defer to the parent element if it exists, otherwise it will close the content. 'defer-otherwise-ignore' will defer to the parent element if it exists, otherwise it will ignore the interaction.

Default: close
onMountAutoFocus
function

Event handler called when auto-focusing the content as it is mounted. Can be prevented.

Default: undefined
onDestroyAutoFocus
function

Event handler called when auto-focusing the content as it is destroyed. Can be prevented.

Default: undefined
trapFocus
boolean

Whether or not to trap the focus within the content when open.

Default: true
forceMount
boolean

Whether or not to forcefully mount the content. This is useful if you want to use Svelte transitions or another animation library for the content.

Default: false
preventOverflowTextSelection
boolean

When true, prevents the text selection from overflowing the bounds of the element.

Default: true
dir
enum

The reading direction of the app.

Default: ltr
loop
boolean

Whether or not to loop through the menu items in when navigating with the keyboard.

Default: false
ref bindable prop
HTMLDivElement

The underlying DOM element being rendered. You can bind to this to get a reference to the element.

Default: undefined
children
Snippet

The children content to render.

Default: undefined
child
Snippet

Use render delegation to render your own element. See delegation docs for more information.

Default: undefined
Data Attribute Value Description
data-state
enum

The open state of the menu or submenu the element controls or belongs to.

data-menu-subcontent
''

Present on the submenu content element.