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Add support for role="alertdialog" to <Dialog> component #2709

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merged 5 commits into from
Aug 28, 2023
Merged

Add support for role="alertdialog" to <Dialog> component #2709

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9f4632e
WIP
adamwathan Aug 24, 2023
2213a8d
Add warning for unsupported roles to `<Dialog>`
thecrypticace Aug 28, 2023
548c858
Update assertions
thecrypticace Aug 28, 2023
9eb909d
Add test for React
thecrypticace Aug 28, 2023
46ae305
Add support for `role=alertdialog` to Vue
thecrypticace Aug 28, 2023
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94 changes: 93 additions & 1 deletion packages/@headlessui-react/src/components/dialog/dialog.test.tsx
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import { createPortal } from 'react-dom'
import React, { createElement, useRef, useState, Fragment, useEffect, useCallback } from 'react'
import { render } from '@testing-library/react'
import { render, screen } from '@testing-library/react'

import { Dialog } from './dialog'
import { Popover } from '../popover/popover'
Expand Down Expand Up @@ -101,6 +101,98 @@ describe('Rendering', () => {
})
)

it(
'should be able to explicitly choose role=dialog',
suppressConsoleLogs(async () => {
function Example() {
let [isOpen, setIsOpen] = useState(false)

return (
<>
<button id="trigger" onClick={() => setIsOpen(true)}>
Trigger
</button>
<Dialog open={isOpen} onClose={setIsOpen} role="dialog">
<TabSentinel />
</Dialog>
</>
)
}
render(<Example />)

assertDialog({ state: DialogState.InvisibleUnmounted })

await click(document.getElementById('trigger'))

await nextFrame()

assertDialog({ state: DialogState.Visible, attributes: { role: 'dialog' } })
})
)

it(
'should be able to explicitly choose role=alertdialog',
suppressConsoleLogs(async () => {
function Example() {
let [isOpen, setIsOpen] = useState(false)

return (
<>
<button id="trigger" onClick={() => setIsOpen(true)}>
Trigger
</button>
<Dialog open={isOpen} onClose={setIsOpen} role="alertdialog">
<TabSentinel />
</Dialog>
</>
)
}
render(<Example />)

assertDialog({ state: DialogState.InvisibleUnmounted })

await click(document.getElementById('trigger'))

await nextFrame()

assertDialog({ state: DialogState.Visible, attributes: { role: 'alertdialog' } })
})
)

it(
'should fall back to role=dialog for an invalid role',
suppressConsoleLogs(async () => {
function Example() {
let [isOpen, setIsOpen] = useState(false)

return (
<>
<button id="trigger" onClick={() => setIsOpen(true)}>
Trigger
</button>
<Dialog
open={isOpen}
onClose={setIsOpen}
// @ts-expect-error: We explicitly type role to only accept valid options — but we still want to verify runtime behaviorr
role="foobar"
>
<TabSentinel />
</Dialog>
</>
)
}
render(<Example />)

assertDialog({ state: DialogState.InvisibleUnmounted })

await click(document.getElementById('trigger'))

await nextFrame()

assertDialog({ state: DialogState.Visible, attributes: { role: 'dialog' } })
}, 'warn')
)

it(
'should complain when an `open` prop is provided without an `onClose` prop',
suppressConsoleLogs(async () => {
Expand Down
23 changes: 21 additions & 2 deletions packages/@headlessui-react/src/components/dialog/dialog.tsx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ let DEFAULT_DIALOG_TAG = 'div' as const
interface DialogRenderPropArg {
open: boolean
}
type DialogPropsWeControl = 'role' | 'aria-describedby' | 'aria-labelledby' | 'aria-modal'
type DialogPropsWeControl = 'aria-describedby' | 'aria-labelledby' | 'aria-modal'

let DialogRenderFeatures = Features.RenderStrategy | Features.Static

Expand All @@ -131,6 +131,7 @@ export type DialogProps<TTag extends ElementType> = Props<
open?: boolean
onClose(value: boolean): void
initialFocus?: MutableRefObject<HTMLElement | null>
role?: 'dialog' | 'alertdialog'
__demoMode?: boolean
}
>
Expand All @@ -145,11 +146,29 @@ function DialogFn<TTag extends ElementType = typeof DEFAULT_DIALOG_TAG>(
open,
onClose,
initialFocus,
role = 'dialog',
__demoMode = false,
...theirProps
} = props
let [nestedDialogCount, setNestedDialogCount] = useState(0)

let didWarnOnRole = useRef(false)

role = (function () {
if (role === 'dialog' || role === 'alertdialog') {
return role
}

if (!didWarnOnRole.current) {
didWarnOnRole.current = true
console.warn(
`Invalid role [${role}] passed to <Dialog />. Only \`dialog\` and and \`alertdialog\` are supported. Using \`dialog\` instead.`
)
}

return 'dialog'
})()

let usesOpenClosedState = useOpenClosed()
if (open === undefined && usesOpenClosedState !== null) {
// Update the `open` prop based on the open closed state
Expand Down Expand Up @@ -339,7 +358,7 @@ function DialogFn<TTag extends ElementType = typeof DEFAULT_DIALOG_TAG>(
let ourProps = {
ref: dialogRef,
id,
role: 'dialog',
role,
'aria-modal': dialogState === DialogStates.Open ? true : undefined,
'aria-labelledby': state.titleId,
'aria-describedby': describedby,
Expand Down
8 changes: 4 additions & 4 deletions packages/@headlessui-react/src/test-utils/accessibility-assertions.ts
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -1301,11 +1301,11 @@ export function assertDescriptionValue(element: HTMLElement | null, value: strin
// ---

export function getDialog(): HTMLElement | null {
return document.querySelector('[role="dialog"]')
return document.querySelector('[role="dialog"],[role="alertdialog"]')
}

export function getDialogs(): HTMLElement[] {
return Array.from(document.querySelectorAll('[role="dialog"]'))
return Array.from(document.querySelectorAll('[role="dialog"],[role="alertdialog"]'))
}

export function getDialogTitle(): HTMLElement | null {
Expand Down Expand Up @@ -1358,7 +1358,7 @@ export function assertDialog(

assertHidden(dialog)

expect(dialog).toHaveAttribute('role', 'dialog')
expect(dialog).toHaveAttribute('role', options.attributes?.['role'] ?? 'dialog')
expect(dialog).not.toHaveAttribute('aria-modal', 'true')

if (options.textContent) expect(dialog).toHaveTextContent(options.textContent)
Expand All @@ -1373,7 +1373,7 @@ export function assertDialog(

assertVisible(dialog)

expect(dialog).toHaveAttribute('role', 'dialog')
expect(dialog).toHaveAttribute('role', options.attributes?.['role'] ?? 'dialog')
expect(dialog).toHaveAttribute('aria-modal', 'true')

if (options.textContent) expect(dialog).toHaveTextContent(options.textContent)
Expand Down
99 changes: 99 additions & 0 deletions packages/@headlessui-vue/src/components/dialog/dialog.test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,105 @@ describe('Rendering', () => {
})
)

it(
'should be able to explicitly choose role=dialog',
suppressConsoleLogs(async () => {
renderTemplate({
template: `
<div>
<button id="trigger" @click="setIsOpen(true)">Trigger</button>
<Dialog :open="isOpen" @close="setIsOpen" class="relative bg-blue-500" role="dialog">
<TabSentinel />
</Dialog>
</div>
`,
setup() {
let isOpen = ref(false)
return {
isOpen,
setIsOpen(value: boolean) {
isOpen.value = value
},
}
},
})

assertDialog({ state: DialogState.InvisibleUnmounted })

await click(document.getElementById('trigger'))

await nextFrame()

assertDialog({ state: DialogState.Visible, attributes: { role: 'dialog' } })
})
)

it(
'should be able to explicitly choose role=alertdialog',
suppressConsoleLogs(async () => {
renderTemplate({
template: `
<div>
<button id="trigger" @click="setIsOpen(true)">Trigger</button>
<Dialog :open="isOpen" @close="setIsOpen" class="relative bg-blue-500" role="alertdialog">
<TabSentinel />
</Dialog>
</div>
`,
setup() {
let isOpen = ref(false)
return {
isOpen,
setIsOpen(value: boolean) {
isOpen.value = value
},
}
},
})

assertDialog({ state: DialogState.InvisibleUnmounted })

await click(document.getElementById('trigger'))

await nextFrame()

assertDialog({ state: DialogState.Visible, attributes: { role: 'alertdialog' } })
})
)

it(
'should fall back to role=dialog for an invalid role',
suppressConsoleLogs(async () => {
renderTemplate({
template: `
<div>
<button id="trigger" @click="setIsOpen(true)">Trigger</button>
<Dialog :open="isOpen" @close="setIsOpen" class="relative bg-blue-500" role="foobar">
<TabSentinel />
</Dialog>
</div>
`,
setup() {
let isOpen = ref(false)
return {
isOpen,
setIsOpen(value: boolean) {
isOpen.value = value
},
}
},
})

assertDialog({ state: DialogState.InvisibleUnmounted })

await click(document.getElementById('trigger'))

await nextFrame()

assertDialog({ state: DialogState.Visible, attributes: { role: 'dialog' } })
})
)

it(
'should complain when an `open` prop is not a boolean',
suppressConsoleLogs(async () => {
Expand Down
19 changes: 18 additions & 1 deletion packages/@headlessui-vue/src/components/dialog/dialog.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,7 @@ export let Dialog = defineComponent({
open: { type: [Boolean, String], default: Missing },
initialFocus: { type: Object as PropType<HTMLElement | null>, default: null },
id: { type: String, default: () => `headlessui-dialog-${useId()}` },
role: { type: String as PropType<'dialog' | 'alertdialog'>, default: 'dialog' },
},
emits: { close: (_close: boolean) => true },
setup(props, { emit, attrs, slots, expose }) {
Expand All @@ -85,6 +86,22 @@ export let Dialog = defineComponent({
ready.value = true
})

let didWarnOnRole = false
let role = computed(() => {
if (props.role === 'dialog' || props.role === 'alertdialog') {
return props.role
}

if (!didWarnOnRole) {
didWarnOnRole = true
console.warn(
`Invalid role [${role}] passed to <Dialog />. Only \`dialog\` and and \`alertdialog\` are supported. Using \`dialog\` instead.`
)
}

return 'dialog'
})

let nestedDialogCount = ref(0)

let usesOpenClosedState = useOpenClosed()
Expand Down Expand Up @@ -285,7 +302,7 @@ export let Dialog = defineComponent({
...attrs,
ref: internalDialogRef,
id,
role: 'dialog',
role: role.value,
'aria-modal': dialogState.value === DialogStates.Open ? true : undefined,
'aria-labelledby': titleId.value,
'aria-describedby': describedby.value,
Expand Down
8 changes: 4 additions & 4 deletions packages/@headlessui-vue/src/test-utils/accessibility-assertions.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1301,11 +1301,11 @@ export function assertDescriptionValue(element: HTMLElement | null, value: strin
// ---

export function getDialog(): HTMLElement | null {
return document.querySelector('[role="dialog"]')
return document.querySelector('[role="dialog"],[role="alertdialog"]')
}

export function getDialogs(): HTMLElement[] {
return Array.from(document.querySelectorAll('[role="dialog"]'))
return Array.from(document.querySelectorAll('[role="dialog"],[role="alertdialog"]'))
}

export function getDialogTitle(): HTMLElement | null {
Expand Down Expand Up @@ -1358,7 +1358,7 @@ export function assertDialog(

assertHidden(dialog)

expect(dialog).toHaveAttribute('role', 'dialog')
expect(dialog).toHaveAttribute('role', options.attributes?.['role'] ?? 'dialog')
expect(dialog).not.toHaveAttribute('aria-modal', 'true')

if (options.textContent) expect(dialog).toHaveTextContent(options.textContent)
Expand All @@ -1373,7 +1373,7 @@ export function assertDialog(

assertVisible(dialog)

expect(dialog).toHaveAttribute('role', 'dialog')
expect(dialog).toHaveAttribute('role', options.attributes?.['role'] ?? 'dialog')
expect(dialog).toHaveAttribute('aria-modal', 'true')

if (options.textContent) expect(dialog).toHaveTextContent(options.textContent)
Expand Down
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