Alert Dialog

A modal dialog that interrupts the user with important content and expects a response.

View code

Features

Focus is automatically trapped.
Can be controlled or uncontrolled.
Manages screen reader announcements with Title and Description components.
Esc closes the component automatically.

Installation

Install the component from your command line.

$ npm add reka-ui

Anatomy

Import all parts and piece them together.

vue

<script setup lang="ts">
import {
  AlertDialogAction,
  AlertDialogCancel,
  AlertDialogContent,
  AlertDialogDescription,
  AlertDialogOverlay,
  AlertDialogPortal,
  AlertDialogRoot,
  AlertDialogTitle,
  AlertDialogTrigger,
} from 'reka-ui'
</script>

<template>
  <AlertDialogRoot>
    <AlertDialogTrigger />
    <AlertDialogPortal>
      <AlertDialogOverlay />
      <AlertDialogContent>
        <AlertDialogTitle />
        <AlertDialogDescription />
        <AlertDialogCancel />
        <AlertDialogAction />
      </AlertDialogContent>
    </AlertDialogPortal>
  </AlertDialogRoot>
</template>

API Reference

Root

Contains all the parts of an alert dialog.

Prop	Default	Type
`defaultOpen`		`boolean` The open state of the dialog when it is initially rendered. Use when you do not need to control its open state.
`open`		`boolean` The controlled open state of the dialog. Can be binded as `v-model:open`.

Emit	Payload
`update:open`	`[value: boolean]` Event handler called when the open state of the dialog changes.

Trigger

A button that opens the dialog.

Prop	Default	Type
`as`	`'button'`	`AsTag \| Component` The element or component this component should render as. Can be overwrite by `asChild`
`asChild`		`boolean` Change the default rendered element for the one passed as a child, merging their props and behavior. Read our Composition guide for more details.

Data Attribute	Value
`[data-state]`	`"open" \| "closed"`

Portal

When used, portals your overlay and content parts into the body.

Prop	Default	Type
`disabled`		`boolean` Disable teleport and render the component inline reference
`forceMount`		`boolean` Used to force mounting when more control is needed. Useful when controlling animation with Vue animation libraries.
`to`		`string \| HTMLElement` Vue native teleport component prop `:to` reference

Overlay

A layer that covers the inert portion of the view when the dialog is open.

Prop	Default	Type
`as`	`'div'`	`AsTag \| Component` The element or component this component should render as. Can be overwrite by `asChild`
`asChild`		`boolean` Change the default rendered element for the one passed as a child, merging their props and behavior. Read our Composition guide for more details.
`forceMount`		`boolean` Used to force mounting when more control is needed. Useful when controlling animation with Vue animation libraries.

Data Attribute	Value
`[data-state]`	`"open" \| "closed"`

Content

Contains content to be rendered when the dialog is open.

Prop	Default	Type
`as`	`'div'`	`AsTag \| Component` The element or component this component should render as. Can be overwrite by `asChild`
`asChild`		`boolean` Change the default rendered element for the one passed as a child, merging their props and behavior. Read our Composition guide for more details.
`disableOutsidePointerEvents`		`boolean` When `true`, hover/focus/click interactions will be disabled on elements outside the `DismissableLayer`. Users will need to click twice on outside elements to interact with them: once to close the `DismissableLayer`, and again to trigger the element.
`forceMount`		`boolean` Used to force mounting when more control is needed. Useful when controlling animation with Vue animation libraries.
`trapFocus`		`boolean` When `true`, focus cannot escape the `Content` via keyboard, pointer, or a programmatic focus.

Emit	Payload
`closeAutoFocus`	`[event: Event]` Event handler called when auto-focusing on close. Can be prevented.
`escapeKeyDown`	`[event: KeyboardEvent]` Event handler called when the escape key is down. Can be prevented.
`focusOutside`	`[event: FocusOutsideEvent]` Event handler called when the focus moves outside of the `DismissableLayer`. Can be prevented.
`interactOutside`	`[event: PointerDownOutsideEvent \| FocusOutsideEvent]` Event handler called when an interaction happens outside the `DismissableLayer`. Specifically, when a `pointerdown` event happens outside or focus moves outside of it. Can be prevented.
`openAutoFocus`	`[event: Event]` Event handler called when auto-focusing on open. Can be prevented.
`pointerDownOutside`	`[event: PointerDownOutsideEvent]` Event handler called when the a `pointerdown` event happens outside of the `DismissableLayer`. Can be prevented.

Data Attribute	Value
`[data-state]`	`"open" \| "closed"`

Cancel

A button that closes the dialog. This button should be distinguished visually from AlertDialogAction buttons.

Prop	Default	Type
`as`	`'button'`	`AsTag \| Component` The element or component this component should render as. Can be overwrite by `asChild`
`asChild`		`boolean` Change the default rendered element for the one passed as a child, merging their props and behavior. Read our Composition guide for more details.

Action

A button that closes the dialog. These buttons should be distinguished visually from the AlertDialogCancel button.

Prop	Default	Type
`as`	`'button'`	`AsTag \| Component` The element or component this component should render as. Can be overwrite by `asChild`
`asChild`		`boolean` Change the default rendered element for the one passed as a child, merging their props and behavior. Read our Composition guide for more details.

Title

An accessible name to be announced when the dialog is opened. Alternatively, you can provide aria-label or aria-labelledby to AlertDialogContent and exclude this component.

Prop	Default	Type
`as`	`'h2'`	`AsTag \| Component` The element or component this component should render as. Can be overwrite by `asChild`
`asChild`		`boolean` Change the default rendered element for the one passed as a child, merging their props and behavior. Read our Composition guide for more details.

Description

An accessible description to be announced when the dialog is opened. Alternatively, you can provide aria-describedby to AlertDialogContent and exclude this component.

Prop	Default	Type
`as`	`'p'`	`AsTag \| Component` The element or component this component should render as. Can be overwrite by `asChild`
`asChild`		`boolean` Change the default rendered element for the one passed as a child, merging their props and behavior. Read our Composition guide for more details.

Examples

Close after asynchronous form submission

Use the controlled props to programmatically close the Alert Dialog after an async operation has completed.

vue

<script setup>
import {
  AlertDialogAction,
  AlertDialogCancel,
  AlertDialogContent,
  AlertDialogDescription,
  AlertDialogOverlay,
  AlertDialogPortal,
  AlertDialogRoot,
  AlertDialogTitle,
  AlertDialogTrigger,
} from 'reka-ui'

const wait = () => new Promise(resolve => setTimeout(resolve, 1000))
const open = ref(false)
</script>

<template>
  <AlertDialogRoot v-model:open="open">
    <AlertDialogTrigger>Open</AlertDialogTrigger>
    <AlertDialogPortal>
      <AlertDialogOverlay />
      <AlertDialogContent>
        <form
          @submit.prevent="
            (event) => {
              wait().then(() => open = false);
            }
          "
        >
          <!-- some inputs -->
          <button type="submit">
            Submit
          </button>
        </form>
      </AlertDialogContent>
    </AlertDialogPortal>
  </AlertDialogRoot>
</template>

Custom portal container

Customise the element that your alert dialog portals into.

vue

<script setup>
import { ref } from 'vue'

const container = ref(null)
</script>

<template>
  <div>
    <AlertDialogRoot>
      <AlertDialogTrigger />
      <AlertDialogPortal :to="container">
        <AlertDialogOverlay />
        <AlertDialogContent>...</AlertDialogContent>
      </AlertDialogPortal>
    </AlertDialogRoot>

    <div ref="container" />
  </div>
</template>

Accessibility

Adheres to the Alert and Message Dialogs WAI-ARIA design pattern.

Keyboard Interactions

Key	Description
`Space`	Opens/closes the dialog.
`Enter`	Opens/closes the dialog.
`Tab`	Moves focus to the next focusable element.
`Shift + Tab`	Moves focus to the previous focusable element.
`Esc`	Closes the dialog and moves focus to `AlertDialogTrigger`.

Alert Dialog ​

Features ​

Installation ​

Anatomy ​

API Reference ​

Root ​

Trigger ​

Portal ​

Overlay ​

Content ​

Cancel ​

Action ​

Title ​

Description ​

Examples ​

Close after asynchronous form submission ​

Custom portal container ​

Accessibility ​

Keyboard Interactions ​