react-aria
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Spectrum UI components in React
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* Copyright 2024 Adobe. All rights reserved.\n * This file is licensed to you under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License. You may obtain a copy\n * of the License at http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software distributed under\n * the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS\n * OF ANY KIND, either express or implied. See the License for the specific language\n * governing permissions and limitations under the License.\n */\n\nimport {\n AriaLabelingProps,\n BaseEvent,\n DOMProps,\n FocusableElement,\n FocusEvents,\n KeyboardEvents,\n Node,\n RefObject,\n ValueBase\n} from '@react-types/shared';\nimport {AriaTextFieldProps} from '../textfield/useTextField';\nimport {\n AutocompleteProps,\n AutocompleteState\n} from 'react-stately/private/autocomplete/useAutocompleteState';\nimport {CLEAR_FOCUS_EVENT, FOCUS_EVENT} from '../utils/constants';\nimport {\n dispatchVirtualBlur,\n dispatchVirtualFocus,\n getVirtuallyFocusedElement,\n moveVirtualFocus\n} from '../focus/virtualFocus';\nimport {getActiveElement, getEventTarget} from '../utils/shadowdom/DOMFunctions';\nimport {getInteractionModality, getPointerType} from '../interactions/useFocusVisible';\nimport {getOwnerDocument} from '../utils/domHelpers';\nimport intlMessages from '../../intl/autocomplete/*.json';\nimport {isAndroid, isIOS} from '../utils/platform';\nimport {isCtrlKeyPressed} from '../utils/keyboard';\nimport {mergeProps} from '../utils/mergeProps';\nimport {mergeRefs} from '../utils/mergeRefs';\nimport {\n FocusEvent as ReactFocusEvent,\n KeyboardEvent as ReactKeyboardEvent,\n PointerEvent as ReactPointerEvent,\n useCallback,\n useEffect,\n useMemo,\n useRef,\n useState\n} from 'react';\nimport {useEffectEvent} from '../utils/useEffectEvent';\nimport {useEvent} from '../utils/useEvent';\n\nimport {useId} from '../utils/useId';\n\nimport {useLabels} from '../utils/useLabels';\n// @ts-ignore\nimport {useLayoutEffect} from '../utils/useLayoutEffect';\nimport {useLocalizedStringFormatter} from '../i18n/useLocalizedStringFormatter';\nimport {useObjectRef} from '../utils/useObjectRef';\n\nexport interface CollectionOptions extends DOMProps, AriaLabelingProps {\n /** Whether the collection items should use virtual focus instead of being focused directly. */\n shouldUseVirtualFocus: boolean;\n /** Whether typeahead is disabled. */\n disallowTypeAhead: boolean;\n}\n\nexport interface InputProps<T = FocusableElement>\n extends\n DOMProps,\n FocusEvents<T>,\n KeyboardEvents,\n Pick<ValueBase<string>, 'onChange' | 'value'>,\n Pick<\n AriaTextFieldProps,\n | 'enterKeyHint'\n | 'aria-controls'\n | 'aria-autocomplete'\n | 'aria-activedescendant'\n | 'spellCheck'\n | 'autoCorrect'\n | 'autoComplete'\n > {}\n\nexport interface AriaAutocompleteProps<T> extends AutocompleteProps {\n /**\n * An optional filter function used to determine if a option should be included in the\n * autocomplete list. Include this if the items you are providing to your wrapped collection\n * aren't filtered by default.\n */\n filter?: (textValue: string, inputValue: string, node: Node<T>) => boolean;\n\n /**\n * Whether or not to focus the first item in the collection after a filter is performed. Note this\n * is only applicable if virtual focus behavior is not turned off via `disableVirtualFocus`.\n *\n * @default false\n */\n disableAutoFocusFirst?: boolean;\n\n /**\n * Whether the autocomplete should disable virtual focus, instead making the wrapped collection\n * directly tabbable.\n *\n * @default false\n */\n disableVirtualFocus?: boolean;\n}\n\nexport interface AriaAutocompleteOptions<T> extends Omit<AriaAutocompleteProps<T>, 'children'> {\n /** The ref for the wrapped collection element. */\n inputRef: RefObject<HTMLInputElement | null>;\n /** The ref for the wrapped collection element. */\n collectionRef: RefObject<HTMLElement | null>;\n}\n\nexport interface AutocompleteAria<T> {\n /**\n * Props for the autocomplete input element. These should be passed to the input's aria hooks\n * (e.g. useTextField/useSearchField/etc) respectively.\n */\n inputProps: InputProps;\n /** Props for the collection, to be passed to collection's respective aria hook (e.g. useMenu). */\n collectionProps: CollectionOptions;\n /** Ref to attach to the wrapped collection. */\n collectionRef: RefObject<HTMLElement | null>;\n /**\n * A filter function that returns if the provided collection node should be filtered out of the\n * collection.\n */\n filter?: (nodeTextValue: string, node: Node<T>) => boolean;\n}\n\n/**\n * Provides the behavior and accessibility implementation for an autocomplete component. An\n * autocomplete combines a text input with a collection, allowing users to filter the collection's\n * contents match a query.\n *\n * @param props - Props for the autocomplete.\n * @param state - State for the autocomplete, as returned by `useAutocompleteState`.\n */\nexport function useAutocomplete<T>(\n props: AriaAutocompleteOptions<T>,\n state: AutocompleteState\n): AutocompleteAria<T> {\n let {\n inputRef,\n collectionRef,\n filter,\n disableAutoFocusFirst = false,\n disableVirtualFocus = false\n } = props;\n\n let collectionId = useId();\n let timeout = useRef<ReturnType<typeof setTimeout> | undefined>(undefined);\n let delayNextActiveDescendant = useRef(false);\n let queuedActiveDescendant = useRef<string | null>(null);\n\n // For mobile screen readers, we don't want virtual focus, instead opting to disable FocusScope's restoreFocus and manually\n // moving focus back to the subtriggers\n let isMobileScreenReader = getInteractionModality() === 'virtual' && (isIOS() || isAndroid());\n let [shouldUseVirtualFocus, setShouldUseVirtualFocus] = useState(\n !isMobileScreenReader && !disableVirtualFocus\n );\n // Tracks if a collection has been connected to the autocomplete. If false, we don't want to add various attributes to the autocomplete input\n // since it isn't attached to a filterable collection (e.g. Tabs)\n let [hasCollection, setHasCollection] = useState(false);\n\n useEffect(() => {\n return () => clearTimeout(timeout.current);\n }, []);\n\n let updateActiveDescendantEvent = useEffectEvent((e: Event) => {\n // Ensure input is focused if the user clicks on the collection directly.\n // don't trigger on touch so that mobile keyboard doesnt appear when tapping on options\n if (\n !e.isTrusted &&\n shouldUseVirtualFocus &&\n inputRef.current &&\n getActiveElement(getOwnerDocument(inputRef.current)) !== inputRef.current &&\n getPointerType() !== 'touch'\n ) {\n inputRef.current.focus();\n }\n\n let target = getEventTarget(e) as Element | null;\n if (e.isTrusted || !target || queuedActiveDescendant.current === target.id) {\n return;\n }\n\n clearTimeout(timeout.current);\n if (target !== collectionRef.current) {\n if (delayNextActiveDescendant.current) {\n queuedActiveDescendant.current = target.id;\n timeout.current = setTimeout(() => {\n state.setFocusedNodeId(target.id);\n }, 500);\n } else {\n queuedActiveDescendant.current = target.id;\n state.setFocusedNodeId(target.id);\n }\n } else if (\n queuedActiveDescendant.current &&\n !document.getElementById(queuedActiveDescendant.current)\n ) {\n // If we recieve a focus event refocusing the collection, either we have newly refocused the input and are waiting for the\n // wrapped collection to refocus the previously focused node if any OR\n // we are in a state where we've filtered to such a point that there aren't any matching items in the collection to focus.\n // In this case we want to clear tracked item if any and clear active descendant\n queuedActiveDescendant.current = null;\n state.setFocusedNodeId(null);\n }\n\n delayNextActiveDescendant.current = false;\n });\n\n let [collectionNode, setCollectionNode] = useState<HTMLElement | null>(null);\n let callbackRef = useCallback(node => {\n setCollectionNode(node);\n if (node != null) {\n // If useSelectableCollection isn't passed shouldUseVirtualFocus even when useAutocomplete provides it\n // that means the collection doesn't support it (e.g. Table). If that is the case, we need to disable it here regardless\n // of what the user's provided so that the input doesn't recieve the onKeyDown and autocomplete props.\n if (node.getAttribute('tabindex') != null) {\n setShouldUseVirtualFocus(false);\n }\n setHasCollection(true);\n } else {\n setHasCollection(false);\n }\n }, []);\n useLayoutEffect(() => {\n if (collectionNode != null) {\n // When typing forward, we want to delay the setting of active descendant to not interrupt the native screen reader announcement\n // of the letter you just typed. If we recieve another focus event then we clear the queued update\n collectionNode.addEventListener('focusin', updateActiveDescendantEvent);\n }\n return () => {\n collectionNode?.removeEventListener('focusin', updateActiveDescendantEvent);\n };\n }, [collectionNode]);\n\n // Make sure to memo so that React doesn't keep registering a new event listeners on every rerender of the wrapped collection\n let mergedCollectionRef = useObjectRef(\n useMemo(() => mergeRefs(collectionRef, callbackRef), [collectionRef, callbackRef])\n );\n\n let focusFirstItem = useCallback(() => {\n delayNextActiveDescendant.current = true;\n collectionRef.current?.dispatchEvent(\n new CustomEvent(FOCUS_EVENT, {\n cancelable: true,\n bubbles: true,\n detail: {\n focusStrategy: 'first'\n }\n })\n );\n }, [collectionRef]);\n\n let clearVirtualFocus = useCallback(\n (clearFocusKey?: boolean) => {\n moveVirtualFocus(getActiveElement());\n queuedActiveDescendant.current = null;\n state.setFocusedNodeId(null);\n let clearFocusEvent = new CustomEvent(CLEAR_FOCUS_EVENT, {\n cancelable: true,\n bubbles: true,\n detail: {\n clearFocusKey\n }\n });\n clearTimeout(timeout.current);\n delayNextActiveDescendant.current = false;\n collectionRef.current?.dispatchEvent(clearFocusEvent);\n },\n [collectionRef, state]\n );\n\n let lastInputType = useRef('');\n useEvent(inputRef, 'input', e => {\n let {inputType} = e as InputEvent;\n lastInputType.current = inputType;\n });\n\n let onChange = (value: string) => {\n // Tell wrapped collection to focus the first element in the list when typing forward and to clear focused key when modifying the text via\n // copy paste/backspacing/undo/redo for screen reader announcements\n if (lastInputType.current === 'insertText' && !disableAutoFocusFirst) {\n focusFirstItem();\n } else if (\n lastInputType.current &&\n (lastInputType.current.includes('insert') ||\n lastInputType.current.includes('delete') ||\n lastInputType.current.includes('history'))\n ) {\n clearVirtualFocus(true);\n\n // If onChange was triggered before the timeout actually updated the activedescendant, we need to fire\n // our own dispatchVirtualFocus so focusVisible gets reapplied on the input\n if (getVirtuallyFocusedElement(document) === inputRef.current) {\n dispatchVirtualFocus(inputRef.current!, null);\n }\n }\n\n state.setInputValue(value);\n };\n\n let keyDownTarget = useRef<Element | null>(null);\n // For textfield specific keydown operations\n let onKeyDown = (e: BaseEvent<ReactKeyboardEvent<any>>) => {\n keyDownTarget.current = getEventTarget(e) as Element;\n if (e.nativeEvent.isComposing) {\n return;\n }\n\n let focusedNodeId = queuedActiveDescendant.current;\n if (\n focusedNodeId !== null &&\n getOwnerDocument(inputRef.current).getElementById(focusedNodeId) == null\n ) {\n // if the focused id doesn't exist in document, then we need to clear the tracked focused node, otherwise\n // we will be attempting to fire key events on a non-existing node instead of trying to focus the newly swapped wrapped collection.\n // This can happen if you are swapping out the Autocomplete wrapped collection component like in the docs search.\n queuedActiveDescendant.current = null;\n focusedNodeId = null;\n }\n\n switch (e.key) {\n case 'a':\n if (isCtrlKeyPressed(e)) {\n return;\n }\n break;\n case 'Escape':\n // Early return for Escape here so it doesn't leak the Escape event from the simulated collection event below and\n // close the dialog prematurely. Ideally that should be up to the discretion of the input element hence the check\n // for isPropagationStopped\n if (e.isDefaultPrevented()) {\n return;\n }\n break;\n case ' ':\n // Space shouldn't trigger onAction so early return.\n return;\n case 'Tab':\n // Don't propogate Tab down to the collection, otherwise we will try to focus the collection via useSelectableCollection's Tab handler (aka shift tab logic)\n // We want FocusScope to handle Tab if one exists (aka sub dialog), so special casepropogate\n if ('continuePropagation' in e) {\n e.continuePropagation();\n }\n return;\n case 'Home':\n case 'End':\n case 'PageDown':\n case 'PageUp':\n case 'ArrowUp':\n case 'ArrowDown':\n case 'ArrowRight':\n case 'ArrowLeft': {\n if ((e.key === 'Home' || e.key === 'End') && focusedNodeId == null && e.shiftKey) {\n return;\n }\n\n // If there is text within the input field, we'll want continue propagating events down\n // to the wrapped collection if there is a focused node so that a user can continue moving the\n // virtual focus. However, if the user doesn't have a focus in the collection, just move the text\n // cursor instead. They can move focus down into the collection via down/up arrow if need be\n if ((e.key === 'ArrowRight' || e.key === 'ArrowLeft') && state.inputValue.length > 0) {\n if (focusedNodeId == null) {\n if (!e.isPropagationStopped()) {\n e.stopPropagation();\n }\n return;\n }\n\n break;\n }\n\n // Prevent these keys from moving the text cursor in the input\n e.preventDefault();\n // Move virtual focus into the wrapped collection\n let focusCollection = new CustomEvent(FOCUS_EVENT, {\n cancelable: true,\n bubbles: true\n });\n\n collectionRef.current?.dispatchEvent(focusCollection);\n break;\n }\n }\n\n // Emulate the keyboard events that happen in the input field in the wrapped collection. This is for triggering things like onAction via Enter\n // or moving focus from one item to another. Stop propagation on the input event if it isn't already stopped so it doesn't leak out. For events\n // like ESC, the dispatched event below will bubble out of the collection and be stopped if handled by useSelectableCollection, otherwise will bubble\n // as expected\n if (!e.isPropagationStopped()) {\n e.stopPropagation();\n }\n\n let shouldPerformDefaultAction = true;\n if (collectionRef.current !== null) {\n if (focusedNodeId == null) {\n shouldPerformDefaultAction =\n collectionRef.current?.dispatchEvent(\n new KeyboardEvent(e.nativeEvent.type, e.nativeEvent)\n ) || false;\n } else {\n let item = document.getElementById(focusedNodeId);\n if (item) {\n shouldPerformDefaultAction =\n item?.dispatchEvent(new KeyboardEvent(e.nativeEvent.type, e.nativeEvent)) || false;\n }\n }\n }\n\n if (shouldPerformDefaultAction) {\n switch (e.key) {\n case 'ArrowLeft':\n case 'ArrowRight': {\n // Clear the activedescendant so NVDA announcements aren't interrupted but retain the focused key in the collection so the\n // user's keyboard navigation restarts from where they left off\n clearVirtualFocus();\n break;\n }\n case 'Enter':\n // Trigger click action on item when Enter key was pressed.\n if (focusedNodeId != null) {\n let item = document.getElementById(focusedNodeId);\n item?.dispatchEvent(new PointerEvent('click', e.nativeEvent));\n }\n break;\n }\n } else {\n // TODO: check if we can do this, want to stop textArea from using its default Enter behavior so items are properly triggered\n e.preventDefault();\n }\n };\n\n let onKeyUpCapture = useEffectEvent(e => {\n // Dispatch simulated key up events for things like triggering links in listbox\n // Make sure to stop the propagation of the input keyup event so that the simulated keyup/down pair\n // is detected by usePress instead of the original keyup originating from the input\n if (getEventTarget(e) === keyDownTarget.current) {\n e.stopImmediatePropagation();\n let focusedNodeId = queuedActiveDescendant.current;\n if (focusedNodeId == null) {\n collectionRef.current?.dispatchEvent(new KeyboardEvent(e.type, e));\n } else {\n let item = document.getElementById(focusedNodeId);\n item?.dispatchEvent(new KeyboardEvent(e.type, e));\n }\n }\n });\n\n useEffect(() => {\n document.addEventListener('keyup', onKeyUpCapture, true);\n return () => {\n document.removeEventListener('keyup', onKeyUpCapture, true);\n };\n }, []);\n\n let stringFormatter = useLocalizedStringFormatter(intlMessages, '@react-aria/autocomplete');\n let collectionProps = useLabels({\n id: collectionId,\n 'aria-label': stringFormatter.format('collectionLabel')\n });\n\n let filterFn = useCallback(\n (nodeTextValue: string, node: Node<T>) => {\n if (filter) {\n return filter(nodeTextValue, state.inputValue, node);\n }\n\n return true;\n },\n [state.inputValue, filter]\n );\n\n // Be sure to clear/restore the virtual + collection focus when blurring/refocusing the field so we only show the\n // focus ring on the virtually focused collection when are actually interacting with the Autocomplete\n let onBlur = (e: ReactFocusEvent) => {\n if (!e.isTrusted) {\n return;\n }\n\n let lastFocusedNode = queuedActiveDescendant.current\n ? document.getElementById(queuedActiveDescendant.current)\n : null;\n if (lastFocusedNode) {\n dispatchVirtualBlur(lastFocusedNode, e.relatedTarget);\n }\n };\n\n let onFocus = (e: ReactFocusEvent) => {\n if (!e.isTrusted) {\n return;\n }\n\n let curFocusedNode = queuedActiveDescendant.current\n ? document.getElementById(queuedActiveDescendant.current)\n : null;\n if (curFocusedNode) {\n let target = getEventTarget(e);\n queueMicrotask(() => {\n // instead of focusing the last focused node, just focus the collection instead and have the collection handle what item to focus via useSelectableCollection/Item\n dispatchVirtualBlur(target, collectionRef.current);\n dispatchVirtualFocus(collectionRef.current!, target);\n });\n }\n };\n\n // Clicking back into the input can happen after focus moved elsewhere in the dialog, while\n // virtual focus is still on an option. Clear virtual focus on pointer down so mouse\n // interactions restore the input state before the click's focus handling runs.\n // Touch is excluded because touch interactions should not move focus back to the input.\n let onPointerDown = (e: ReactPointerEvent) => {\n if (\n e.button !== 0 ||\n e.pointerType === 'touch' ||\n queuedActiveDescendant.current == null ||\n inputRef.current == null\n ) {\n return;\n }\n\n if (getEventTarget(e) === inputRef.current) {\n clearVirtualFocus();\n }\n };\n\n // Only apply the autocomplete specific behaviors if the collection component wrapped by it is actually\n // being filtered/allows filtering by the Autocomplete.\n let inputProps = {\n value: state.inputValue,\n onChange\n } as AriaTextFieldProps<FocusableElement>;\n\n let virtualFocusProps = {\n onKeyDown,\n 'aria-activedescendant': state.focusedNodeId ?? undefined,\n onBlur,\n onFocus,\n onPointerDown\n };\n\n if (hasCollection) {\n inputProps = {\n ...inputProps,\n ...(shouldUseVirtualFocus && virtualFocusProps),\n enterKeyHint: 'go',\n 'aria-controls': collectionId,\n // TODO: readd proper logic for completionMode = complete (aria-autocomplete: both)\n 'aria-autocomplete': 'list',\n // This disable's iOS's autocorrect suggestions, since the autocomplete provides its own suggestions.\n autoCorrect: 'off',\n // This disable's the macOS Safari spell check auto corrections.\n spellCheck: 'false',\n autoComplete: 'off'\n };\n }\n\n return {\n inputProps,\n collectionProps: mergeProps(collectionProps, {\n shouldUseVirtualFocus,\n disallowTypeAhead: shouldUseVirtualFocus\n }),\n collectionRef: mergedCollectionRef,\n filter: filter != null ? filterFn : undefined\n };\n}\n"],"names":[],"version":3,"file":"useAutocomplete.mjs.map"}