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react-aria

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* Copyright 2020 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 {announce} from '../live-announcer/LiveAnnouncer';\n\nimport {AriaButtonProps} from '../button/useButton';\nimport {ariaHideOutside} from '../overlays/ariaHideOutside';\nimport {\n AriaLabelingProps,\n BaseEvent,\n DOMAttributes,\n DOMProps,\n InputDOMProps,\n KeyboardDelegate,\n LayoutDelegate,\n PressEvent,\n RefObject,\n RouterOptions,\n ValidationResult\n} from '@react-types/shared';\nimport {AriaListBoxOptions} from '../listbox/useListBox';\nimport {chain} from '../utils/chain';\nimport {ComboBoxProps, ComboBoxState, SelectionMode} from 'react-stately/useComboBoxState';\nimport {dispatchVirtualFocus} from '../focus/virtualFocus';\nimport {\n FocusEvent,\n InputHTMLAttributes,\n KeyboardEvent,\n TouchEvent,\n useEffect,\n useMemo,\n useRef,\n useState\n} from 'react';\nimport {getActiveElement, getEventTarget, nodeContains} from '../utils/shadowdom/DOMFunctions';\nimport {getChildNodes} from 'react-stately/private/collections/getChildNodes';\nimport {getItemCount} from 'react-stately/private/collections/getItemCount';\nimport {getItemId, listData} from '../listbox/utils';\nimport {getOwnerDocument} from '../utils/domHelpers';\nimport intlMessages from '../../intl/combobox/*.json';\nimport {isAppleDevice} from '../utils/platform';\nimport {ListKeyboardDelegate} from '../selection/ListKeyboardDelegate';\nimport {mergeProps} from '../utils/mergeProps';\nimport {privateValidationStateProp} from 'react-stately/private/form/useFormValidationState';\nimport {useEvent} from '../utils/useEvent';\nimport {useFormReset} from '../utils/useFormReset';\nimport {useId} from '../utils/useId';\n// @ts-ignore\nimport {useLabels} from '../utils/useLabels';\nimport {useLocalizedStringFormatter} from '../i18n/useLocalizedStringFormatter';\nimport {useMenuTrigger} from '../menu/useMenuTrigger';\nimport {useRouter} from '../utils/openLink';\nimport {useSelectableCollection} from '../selection/useSelectableCollection';\nimport {useTextField} from '../textfield/useTextField';\nimport {useUpdateEffect} from '../utils/useUpdateEffect';\n\nexport interface AriaComboBoxProps<T, M extends SelectionMode = 'single'>\n extends ComboBoxProps<T, M>, DOMProps, InputDOMProps, AriaLabelingProps {\n /** Whether keyboard navigation is circular. */\n shouldFocusWrap?: boolean;\n}\n\nexport interface AriaComboBoxOptions<T, M extends SelectionMode = 'single'> extends Omit<\n AriaComboBoxProps<T, M>,\n 'children'\n> {\n /** The ref for the input element. */\n inputRef: RefObject<HTMLInputElement | null>;\n /** The ref for the list box popover. */\n popoverRef: RefObject<Element | null>;\n /** The ref for the list box. */\n listBoxRef: RefObject<HTMLElement | null>;\n /** The ref for the optional list box popup trigger button. */\n buttonRef?: RefObject<Element | null>;\n /** An optional keyboard delegate implementation, to override the default. */\n keyboardDelegate?: KeyboardDelegate;\n /**\n * A delegate object that provides layout information for items in the collection.\n * By default this uses the DOM, but this can be overridden to implement things like\n * virtualized scrolling.\n */\n layoutDelegate?: LayoutDelegate;\n}\n\nexport interface ComboBoxAria<T> extends ValidationResult {\n /** Props for the label element. */\n labelProps: DOMAttributes;\n /** Props for the combo box input element. */\n inputProps: InputHTMLAttributes<HTMLInputElement>;\n /** Props for the list box, to be passed to `useListBox`. */\n listBoxProps: AriaListBoxOptions<T>;\n /** Props for the optional trigger button, to be passed to `useButton`. */\n buttonProps: AriaButtonProps;\n /** Props for the element representing the selected value. */\n valueProps: DOMAttributes;\n /** Props for the combo box description element, if any. */\n descriptionProps: DOMAttributes;\n /** Props for the combo box error message element, if any. */\n errorMessageProps: DOMAttributes;\n}\n\n/**\n * Provides the behavior and accessibility implementation for a combo box component. A combo box\n * combines a text input with a listbox, allowing users to filter a list of options to items\n * matching a query.\n *\n * @param props - Props for the combo box.\n * @param state - State for the select, as returned by `useComboBoxState`.\n */\nexport function useComboBox<T, M extends SelectionMode = 'single'>(\n props: AriaComboBoxOptions<T, M>,\n state: ComboBoxState<T, M>\n): ComboBoxAria<T> {\n let {\n buttonRef,\n popoverRef,\n inputRef,\n listBoxRef,\n keyboardDelegate,\n layoutDelegate,\n // completionMode = 'suggest',\n shouldFocusWrap,\n isReadOnly,\n isDisabled\n } = props;\n let backupBtnRef = useRef(null);\n buttonRef = buttonRef ?? backupBtnRef;\n\n let stringFormatter = useLocalizedStringFormatter(intlMessages, '@react-aria/combobox');\n let {menuTriggerProps, menuProps} = useMenuTrigger<T>(\n {\n type: 'listbox',\n isDisabled: isDisabled || isReadOnly\n },\n state,\n buttonRef\n );\n\n // Set listbox id so it can be used when calling getItemId later\n listData.set(state, {id: menuProps.id});\n\n // By default, a KeyboardDelegate is provided which uses the DOM to query layout information (e.g. for page up/page down).\n // When virtualized, the layout object will be passed in as a prop and override this.\n let {collection} = state;\n let {disabledKeys} = state.selectionManager;\n let delegate = useMemo(\n () =>\n keyboardDelegate ||\n new ListKeyboardDelegate({\n collection,\n disabledKeys,\n ref: listBoxRef,\n layoutDelegate\n }),\n [keyboardDelegate, layoutDelegate, collection, disabledKeys, listBoxRef]\n );\n\n // Use useSelectableCollection to get the keyboard handlers to apply to the textfield\n let {collectionProps} = useSelectableCollection({\n selectionManager: state.selectionManager,\n keyboardDelegate: delegate,\n disallowTypeAhead: true,\n disallowEmptySelection: true,\n shouldFocusWrap,\n ref: inputRef,\n // Prevent item scroll behavior from being applied here, should be handled in the user's Popover + ListBox component\n isVirtualized: true\n });\n\n let router = useRouter();\n\n // For textfield specific keydown operations\n let onKeyDown = (e: BaseEvent<KeyboardEvent<any>>) => {\n if (e.nativeEvent.isComposing) {\n return;\n }\n switch (e.key) {\n case 'Enter':\n case 'Tab':\n // Prevent form submission if menu is open since we may be selecting a option\n if (state.isOpen && e.key === 'Enter') {\n e.preventDefault();\n }\n\n // If the focused item is a link, trigger opening it. Items that are links are not selectable.\n if (state.isOpen && listBoxRef.current && state.selectionManager.focusedKey != null) {\n let collectionItem = state.collection.getItem(state.selectionManager.focusedKey);\n if (collectionItem?.props.href) {\n let item = listBoxRef.current.querySelector(\n `[data-key=\"${CSS.escape(state.selectionManager.focusedKey.toString())}\"]`\n );\n if (e.key === 'Enter' && item instanceof HTMLAnchorElement) {\n router.open(\n item,\n e,\n collectionItem.props.href,\n collectionItem.props.routerOptions as RouterOptions\n );\n }\n state.close();\n break;\n } else if (collectionItem?.props.onAction) {\n collectionItem.props.onAction();\n state.close();\n break;\n }\n }\n if (e.key === 'Enter' || state.isOpen) {\n state.commit();\n }\n break;\n case 'Escape':\n if (!state.selectionManager.isEmpty || state.inputValue === '' || props.allowsCustomValue) {\n e.continuePropagation();\n }\n state.revert();\n break;\n case 'ArrowDown':\n state.open('first', 'manual');\n break;\n case 'ArrowUp':\n state.open('last', 'manual');\n break;\n case 'ArrowLeft':\n case 'ArrowRight':\n state.selectionManager.setFocusedKey(null);\n break;\n }\n };\n\n let onBlur = (e: FocusEvent<HTMLInputElement>) => {\n let blurFromButton = buttonRef?.current && buttonRef.current === e.relatedTarget;\n let blurIntoPopover = nodeContains(popoverRef.current, e.relatedTarget);\n // Ignore blur if focused moved to the button(if exists) or into the popover.\n if (blurFromButton || blurIntoPopover) {\n return;\n }\n\n if (props.onBlur) {\n props.onBlur(e);\n }\n\n state.setFocused(false);\n };\n\n let onFocus = (e: FocusEvent<HTMLInputElement>) => {\n if (state.isFocused) {\n return;\n }\n\n if (props.onFocus) {\n props.onFocus(e);\n }\n\n state.setFocused(true);\n };\n\n let valueId = useValueId([\n state.selectionManager.selectedKeys,\n state.selectionManager.selectionMode\n ]);\n let {isInvalid, validationErrors, validationDetails} = state.displayValidation;\n let {labelProps, inputProps, descriptionProps, errorMessageProps} = useTextField(\n {\n ...props,\n // In multi-select mode, only set required if the selection is empty.\n isRequired:\n props.selectionMode === 'multiple'\n ? props.isRequired && state.selectionManager.isEmpty\n : props.isRequired,\n onChange: state.setInputValue,\n onKeyDown: !isReadOnly\n ? chain(state.isOpen && collectionProps.onKeyDown, onKeyDown, props.onKeyDown)\n : props.onKeyDown,\n onBlur,\n value: state.inputValue,\n defaultValue: state.defaultInputValue,\n onFocus,\n autoComplete: 'off',\n validate: undefined,\n [privateValidationStateProp]: state,\n 'aria-describedby':\n [valueId, props['aria-describedby']].filter(Boolean).join(' ') || undefined\n },\n inputRef\n );\n\n useFormReset(inputRef, state.defaultValue, state.setValue);\n\n // Press handlers for the ComboBox button\n let onPress = (e: PressEvent) => {\n if (e.pointerType === 'touch') {\n // Focus the input field in case it isn't focused yet\n inputRef.current?.focus();\n state.toggle(null, 'manual');\n }\n };\n\n let onPressStart = (e: PressEvent) => {\n if (e.pointerType !== 'touch') {\n inputRef.current?.focus();\n state.toggle(\n e.pointerType === 'keyboard' || e.pointerType === 'virtual' ? 'first' : null,\n 'manual'\n );\n }\n };\n\n let triggerLabelProps = useLabels({\n id: menuTriggerProps.id,\n 'aria-label': stringFormatter.format('buttonLabel'),\n 'aria-labelledby': props['aria-labelledby'] || labelProps.id\n });\n\n let listBoxProps = useLabels({\n id: menuProps.id,\n 'aria-label': stringFormatter.format('listboxLabel'),\n 'aria-labelledby': props['aria-labelledby'] || labelProps.id\n });\n\n // If a touch happens on direct center of ComboBox input, might be virtual click from iPad so open ComboBox menu\n let lastEventTime = useRef(0);\n let onTouchEnd = (e: TouchEvent) => {\n if (isDisabled || isReadOnly) {\n return;\n }\n\n // Sometimes VoiceOver on iOS fires two touchend events in quick succession. Ignore the second one.\n if (e.timeStamp - lastEventTime.current < 500) {\n e.preventDefault();\n inputRef.current?.focus();\n return;\n }\n\n let rect = (getEventTarget(e) as Element).getBoundingClientRect();\n let touch = e.changedTouches[0];\n\n let centerX = Math.ceil(rect.left + 0.5 * rect.width);\n let centerY = Math.ceil(rect.top + 0.5 * rect.height);\n\n if (touch.clientX === centerX && touch.clientY === centerY) {\n e.preventDefault();\n inputRef.current?.focus();\n state.toggle(null, 'manual');\n\n lastEventTime.current = e.timeStamp;\n }\n };\n\n // VoiceOver has issues with announcing aria-activedescendant properly on change\n // (especially on iOS). We use a live region announcer to announce focus changes\n // manually. In addition, section titles are announced when navigating into a new section.\n let focusedItem =\n state.selectionManager.focusedKey != null && state.isOpen\n ? state.collection.getItem(state.selectionManager.focusedKey)\n : undefined;\n let sectionKey = focusedItem?.parentKey ?? null;\n let itemKey = state.selectionManager.focusedKey ?? null;\n let lastSection = useRef(sectionKey);\n let lastItem = useRef(itemKey);\n useEffect(() => {\n if (isAppleDevice() && focusedItem != null && itemKey != null && itemKey !== lastItem.current) {\n let isSelected = state.selectionManager.isSelected(itemKey);\n let section = sectionKey != null ? state.collection.getItem(sectionKey) : null;\n let sectionTitle =\n section?.['aria-label'] ||\n (typeof section?.rendered === 'string' ? section.rendered : '') ||\n '';\n\n let announcement = stringFormatter.format('focusAnnouncement', {\n isGroupChange: (section && sectionKey !== lastSection.current) ?? false,\n groupTitle: sectionTitle,\n groupCount: section ? [...getChildNodes(section, state.collection)].length : 0,\n optionText: focusedItem['aria-label'] || focusedItem.textValue || '',\n isSelected\n });\n\n announce(announcement);\n }\n\n lastSection.current = sectionKey;\n lastItem.current = itemKey;\n });\n\n // Announce the number of available suggestions when it changes\n let optionCount = getItemCount(state.collection);\n let lastSize = useRef(optionCount);\n let lastOpen = useRef(state.isOpen);\n useEffect(() => {\n // Only announce the number of options available when the menu opens if there is no\n // focused item, otherwise screen readers will typically read e.g. \"1 of 6\".\n // The exception is VoiceOver since this isn't included in the message above.\n let didOpenWithoutFocusedItem =\n state.isOpen !== lastOpen.current &&\n (state.selectionManager.focusedKey == null || isAppleDevice());\n\n if (state.isOpen && (didOpenWithoutFocusedItem || optionCount !== lastSize.current)) {\n let announcement = stringFormatter.format('countAnnouncement', {optionCount});\n announce(announcement);\n }\n\n lastSize.current = optionCount;\n lastOpen.current = state.isOpen;\n });\n\n // Announce when a selection occurs for VoiceOver. Other screen readers typically do this automatically.\n // TODO: do we need to do this for multi-select?\n let lastSelectedKey = useRef(state.selectedKey);\n useEffect(() => {\n if (\n isAppleDevice() &&\n state.isFocused &&\n state.selectedItem &&\n state.selectedKey !== lastSelectedKey.current\n ) {\n let optionText = state.selectedItem['aria-label'] || state.selectedItem.textValue || '';\n let announcement = stringFormatter.format('selectedAnnouncement', {optionText});\n announce(announcement);\n }\n\n lastSelectedKey.current = state.selectedKey;\n });\n\n useEffect(() => {\n if (state.isOpen) {\n return ariaHideOutside(\n [inputRef.current, popoverRef.current].filter(element => element != null)\n );\n }\n }, [state.isOpen, inputRef, popoverRef]);\n\n useUpdateEffect(() => {\n // Re-show focus ring when there is no virtually focused item.\n if (\n !focusedItem &&\n inputRef.current &&\n getActiveElement(getOwnerDocument(inputRef.current)) === inputRef.current\n ) {\n dispatchVirtualFocus(inputRef.current, null);\n }\n }, [focusedItem]);\n\n useEvent(\n listBoxRef,\n 'react-aria-item-action',\n state.isOpen\n ? () => {\n state.close();\n }\n : undefined\n );\n\n return {\n labelProps,\n buttonProps: {\n ...menuTriggerProps,\n ...triggerLabelProps,\n excludeFromTabOrder: true,\n preventFocusOnPress: true,\n onPress,\n onPressStart,\n isDisabled: isDisabled || isReadOnly\n },\n inputProps: mergeProps(inputProps, {\n role: 'combobox',\n 'aria-expanded': menuTriggerProps['aria-expanded'],\n 'aria-controls': state.isOpen ? menuProps.id : undefined,\n // TODO: readd proper logic for completionMode = complete (aria-autocomplete: both)\n 'aria-autocomplete': 'list',\n 'aria-activedescendant': focusedItem ? getItemId(state, focusedItem.key) : undefined,\n onTouchEnd,\n // This disable's iOS's autocorrect suggestions, since the combo box provides its own suggestions.\n autoCorrect: 'off',\n // This disable's the macOS Safari spell check auto corrections.\n spellCheck: 'false'\n }),\n listBoxProps: mergeProps(menuProps, listBoxProps, {\n autoFocus: state.focusStrategy || true,\n shouldUseVirtualFocus: true,\n shouldSelectOnPressUp: true,\n shouldFocusOnHover: true,\n linkBehavior: 'selection' as const,\n ['UNSTABLE_itemBehavior']: 'action'\n }),\n valueProps: {\n id: valueId\n },\n descriptionProps,\n errorMessageProps,\n isInvalid,\n validationErrors,\n validationDetails\n };\n}\n\n// This is a modified version of useSlotId that uses useEffect instead of useLayoutEffect.\n// Triggering re-renders from useLayoutEffect breaks useComboBoxState's useEffect logic in React 18.\n// These re-renders preempt async state updates in the useEffect, which ends up running multiple times\n// prior to the state being updated. This results in onSelectionChange being called multiple times.\n// TODO: refactor useComboBoxState to avoid this.\nfunction useValueId(depArray: ReadonlyArray<any> = []): string | undefined {\n let id = useId();\n let [exists, setExists] = useState(true);\n let [lastDeps, setLastDeps] = useState(depArray);\n\n // If the deps changed, set exists to true so we can test whether the element exists.\n if (lastDeps.some((v, i) => !Object.is(v, depArray[i]))) {\n setExists(true);\n setLastDeps(depArray);\n }\n\n useEffect(() => {\n if (exists && !document.getElementById(id)) {\n // oxlint-disable-next-line react-hooks-js/set-state-in-effect\n setExists(false);\n }\n }, [id, exists, lastDeps]);\n\n return exists ? id : undefined;\n}\n"],"names":[],"version":3,"file":"useComboBox.cjs.map"}