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useAutocomplete.js
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Fri, Jan 10, 18:23

useAutocomplete.js
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import _extends from "@babel/runtime/helpers/esm/extends";
/* eslint-disable no-constant-condition */
import * as React from 'react';
import { unstable_setRef as setRef, unstable_useEventCallback as useEventCallback, unstable_useControlled as useControlled, unstable_useId as useId } from '@mui/utils';
// https://stackoverflow.com/questions/990904/remove-accents-diacritics-in-a-string-in-javascript
// Give up on IE11 support for this feature
function stripDiacritics(string) {
return typeof string.normalize !== 'undefined' ? string.normalize('NFD').replace(/[\u0300-\u036f]/g, '') : string;
}
export function createFilterOptions(config = {}) {
const {
ignoreAccents = true,
ignoreCase = true,
limit,
matchFrom = 'any',
stringify,
trim = false
} = config;
return (options, {
inputValue,
getOptionLabel
}) => {
let input = trim ? inputValue.trim() : inputValue;
if (ignoreCase) {
input = input.toLowerCase();
}
if (ignoreAccents) {
input = stripDiacritics(input);
}
const filteredOptions = !input ? options : options.filter(option => {
let candidate = (stringify || getOptionLabel)(option);
if (ignoreCase) {
candidate = candidate.toLowerCase();
}
if (ignoreAccents) {
candidate = stripDiacritics(candidate);
}
return matchFrom === 'start' ? candidate.indexOf(input) === 0 : candidate.indexOf(input) > -1;
});
return typeof limit === 'number' ? filteredOptions.slice(0, limit) : filteredOptions;
};
}
// To replace with .findIndex() once we stop IE11 support.
function findIndex(array, comp) {
for (let i = 0; i < array.length; i += 1) {
if (comp(array[i])) {
return i;
}
}
return -1;
}
const defaultFilterOptions = createFilterOptions();
// Number of options to jump in list box when pageup and pagedown keys are used.
const pageSize = 5;
const defaultIsActiveElementInListbox = listboxRef => listboxRef.current !== null && listboxRef.current.parentElement?.contains(document.activeElement);
export default function useAutocomplete(props) {
const {
// eslint-disable-next-line @typescript-eslint/naming-convention
unstable_isActiveElementInListbox = defaultIsActiveElementInListbox,
// eslint-disable-next-line @typescript-eslint/naming-convention
unstable_classNamePrefix = 'Mui',
autoComplete = false,
autoHighlight = false,
autoSelect = false,
blurOnSelect = false,
clearOnBlur = !props.freeSolo,
clearOnEscape = false,
componentName = 'useAutocomplete',
defaultValue = props.multiple ? [] : null,
disableClearable = false,
disableCloseOnSelect = false,
disabled: disabledProp,
disabledItemsFocusable = false,
disableListWrap = false,
filterOptions = defaultFilterOptions,
filterSelectedOptions = false,
freeSolo = false,
getOptionDisabled,
getOptionLabel: getOptionLabelProp = option => option.label ?? option,
groupBy,
handleHomeEndKeys = !props.freeSolo,
id: idProp,
includeInputInList = false,
inputValue: inputValueProp,
isOptionEqualToValue = (option, value) => option === value,
multiple = false,
onChange,
onClose,
onHighlightChange,
onInputChange,
onOpen,
open: openProp,
openOnFocus = false,
options,
readOnly = false,
selectOnFocus = !props.freeSolo,
value: valueProp
} = props;
const id = useId(idProp);
let getOptionLabel = getOptionLabelProp;
getOptionLabel = option => {
const optionLabel = getOptionLabelProp(option);
if (typeof optionLabel !== 'string') {
if (process.env.NODE_ENV !== 'production') {
const erroneousReturn = optionLabel === undefined ? 'undefined' : `${typeof optionLabel} (${optionLabel})`;
console.error(`MUI: The \`getOptionLabel\` method of ${componentName} returned ${erroneousReturn} instead of a string for ${JSON.stringify(option)}.`);
}
return String(optionLabel);
}
return optionLabel;
};
const ignoreFocus = React.useRef(false);
const firstFocus = React.useRef(true);
const inputRef = React.useRef(null);
const listboxRef = React.useRef(null);
const [anchorEl, setAnchorEl] = React.useState(null);
const [focusedTag, setFocusedTag] = React.useState(-1);
const defaultHighlighted = autoHighlight ? 0 : -1;
const highlightedIndexRef = React.useRef(defaultHighlighted);
const [value, setValueState] = useControlled({
controlled: valueProp,
default: defaultValue,
name: componentName
});
const [inputValue, setInputValueState] = useControlled({
controlled: inputValueProp,
default: '',
name: componentName,
state: 'inputValue'
});
const [focused, setFocused] = React.useState(false);
const resetInputValue = React.useCallback((event, newValue) => {
// retain current `inputValue` if new option isn't selected and `clearOnBlur` is false
// When `multiple` is enabled, `newValue` is an array of all selected items including the newly selected item
const isOptionSelected = multiple ? value.length < newValue.length : newValue !== null;
if (!isOptionSelected && !clearOnBlur) {
return;
}
let newInputValue;
if (multiple) {
newInputValue = '';
} else if (newValue == null) {
newInputValue = '';
} else {
const optionLabel = getOptionLabel(newValue);
newInputValue = typeof optionLabel === 'string' ? optionLabel : '';
}
if (inputValue === newInputValue) {
return;
}
setInputValueState(newInputValue);
if (onInputChange) {
onInputChange(event, newInputValue, 'reset');
}
}, [getOptionLabel, inputValue, multiple, onInputChange, setInputValueState, clearOnBlur, value]);
const prevValue = React.useRef();
React.useEffect(() => {
const valueChange = value !== prevValue.current;
prevValue.current = value;
if (focused && !valueChange) {
return;
}
// Only reset the input's value when freeSolo if the component's value changes.
if (freeSolo && !valueChange) {
return;
}
resetInputValue(null, value);
}, [value, resetInputValue, focused, prevValue, freeSolo]);
const [open, setOpenState] = useControlled({
controlled: openProp,
default: false,
name: componentName,
state: 'open'
});
const [inputPristine, setInputPristine] = React.useState(true);
const inputValueIsSelectedValue = !multiple && value != null && inputValue === getOptionLabel(value);
const popupOpen = open && !readOnly;
const filteredOptions = popupOpen ? filterOptions(options.filter(option => {
if (filterSelectedOptions && (multiple ? value : [value]).some(value2 => value2 !== null && isOptionEqualToValue(option, value2))) {
return false;
}
return true;
}),
// we use the empty string to manipulate `filterOptions` to not filter any options
// i.e. the filter predicate always returns true
{
inputValue: inputValueIsSelectedValue && inputPristine ? '' : inputValue,
getOptionLabel
}) : [];
const listboxAvailable = open && filteredOptions.length > 0 && !readOnly;
if (process.env.NODE_ENV !== 'production') {
if (value !== null && !freeSolo && options.length > 0) {
const missingValue = (multiple ? value : [value]).filter(value2 => !options.some(option => isOptionEqualToValue(option, value2)));
if (missingValue.length > 0) {
console.warn([`MUI: The value provided to ${componentName} is invalid.`, `None of the options match with \`${missingValue.length > 1 ? JSON.stringify(missingValue) : JSON.stringify(missingValue[0])}\`.`, 'You can use the `isOptionEqualToValue` prop to customize the equality test.'].join('\n'));
}
}
}
const focusTag = useEventCallback(tagToFocus => {
if (tagToFocus === -1) {
inputRef.current.focus();
} else {
anchorEl.querySelector(`[data-tag-index="${tagToFocus}"]`).focus();
}
});
// Ensure the focusedTag is never inconsistent
React.useEffect(() => {
if (multiple && focusedTag > value.length - 1) {
setFocusedTag(-1);
focusTag(-1);
}
}, [value, multiple, focusedTag, focusTag]);
function validOptionIndex(index, direction) {
if (!listboxRef.current || index === -1) {
return -1;
}
let nextFocus = index;
while (true) {
// Out of range
if (direction === 'next' && nextFocus === filteredOptions.length || direction === 'previous' && nextFocus === -1) {
return -1;
}
const option = listboxRef.current.querySelector(`[data-option-index="${nextFocus}"]`);
// Same logic as MenuList.js
const nextFocusDisabled = disabledItemsFocusable ? false : !option || option.disabled || option.getAttribute('aria-disabled') === 'true';
if (option && !option.hasAttribute('tabindex') || nextFocusDisabled) {
// Move to the next element.
nextFocus += direction === 'next' ? 1 : -1;
} else {
return nextFocus;
}
}
}
const setHighlightedIndex = useEventCallback(({
event,
index,
reason = 'auto'
}) => {
highlightedIndexRef.current = index;
// does the index exist?
if (index === -1) {
inputRef.current.removeAttribute('aria-activedescendant');
} else {
inputRef.current.setAttribute('aria-activedescendant', `${id}-option-${index}`);
}
if (onHighlightChange) {
onHighlightChange(event, index === -1 ? null : filteredOptions[index], reason);
}
if (!listboxRef.current) {
return;
}
const prev = listboxRef.current.querySelector(`[role="option"].${unstable_classNamePrefix}-focused`);
if (prev) {
prev.classList.remove(`${unstable_classNamePrefix}-focused`);
prev.classList.remove(`${unstable_classNamePrefix}-focusVisible`);
}
const listboxNode = listboxRef.current.parentElement.querySelector('[role="listbox"]');
// "No results"
if (!listboxNode) {
return;
}
if (index === -1) {
listboxNode.scrollTop = 0;
return;
}
const option = listboxRef.current.querySelector(`[data-option-index="${index}"]`);
if (!option) {
return;
}
option.classList.add(`${unstable_classNamePrefix}-focused`);
if (reason === 'keyboard') {
option.classList.add(`${unstable_classNamePrefix}-focusVisible`);
}
// Scroll active descendant into view.
// Logic copied from https://www.w3.org/WAI/ARIA/apg/example-index/combobox/js/select-only.js
//
// Consider this API instead once it has a better browser support:
// .scrollIntoView({ scrollMode: 'if-needed', block: 'nearest' });
if (listboxNode.scrollHeight > listboxNode.clientHeight && reason !== 'mouse') {
const element = option;
const scrollBottom = listboxNode.clientHeight + listboxNode.scrollTop;
const elementBottom = element.offsetTop + element.offsetHeight;
if (elementBottom > scrollBottom) {
listboxNode.scrollTop = elementBottom - listboxNode.clientHeight;
} else if (element.offsetTop - element.offsetHeight * (groupBy ? 1.3 : 0) < listboxNode.scrollTop) {
listboxNode.scrollTop = element.offsetTop - element.offsetHeight * (groupBy ? 1.3 : 0);
}
}
});
const changeHighlightedIndex = useEventCallback(({
event,
diff,
direction = 'next',
reason = 'auto'
}) => {
if (!popupOpen) {
return;
}
const getNextIndex = () => {
const maxIndex = filteredOptions.length - 1;
if (diff === 'reset') {
return defaultHighlighted;
}
if (diff === 'start') {
return 0;
}
if (diff === 'end') {
return maxIndex;
}
const newIndex = highlightedIndexRef.current + diff;
if (newIndex < 0) {
if (newIndex === -1 && includeInputInList) {
return -1;
}
if (disableListWrap && highlightedIndexRef.current !== -1 || Math.abs(diff) > 1) {
return 0;
}
return maxIndex;
}
if (newIndex > maxIndex) {
if (newIndex === maxIndex + 1 && includeInputInList) {
return -1;
}
if (disableListWrap || Math.abs(diff) > 1) {
return maxIndex;
}
return 0;
}
return newIndex;
};
const nextIndex = validOptionIndex(getNextIndex(), direction);
setHighlightedIndex({
index: nextIndex,
reason,
event
});
// Sync the content of the input with the highlighted option.
if (autoComplete && diff !== 'reset') {
if (nextIndex === -1) {
inputRef.current.value = inputValue;
} else {
const option = getOptionLabel(filteredOptions[nextIndex]);
inputRef.current.value = option;
// The portion of the selected suggestion that has not been typed by the user,
// a completion string, appears inline after the input cursor in the textbox.
const index = option.toLowerCase().indexOf(inputValue.toLowerCase());
if (index === 0 && inputValue.length > 0) {
inputRef.current.setSelectionRange(inputValue.length, option.length);
}
}
}
});
const syncHighlightedIndex = React.useCallback(() => {
if (!popupOpen) {
return;
}
const valueItem = multiple ? value[0] : value;
// The popup is empty, reset
if (filteredOptions.length === 0 || valueItem == null) {
changeHighlightedIndex({
diff: 'reset'
});
return;
}
if (!listboxRef.current) {
return;
}
// Synchronize the value with the highlighted index
if (valueItem != null) {
const currentOption = filteredOptions[highlightedIndexRef.current];
// Keep the current highlighted index if possible
if (multiple && currentOption && findIndex(value, val => isOptionEqualToValue(currentOption, val)) !== -1) {
return;
}
const itemIndex = findIndex(filteredOptions, optionItem => isOptionEqualToValue(optionItem, valueItem));
if (itemIndex === -1) {
changeHighlightedIndex({
diff: 'reset'
});
} else {
setHighlightedIndex({
index: itemIndex
});
}
return;
}
// Prevent the highlighted index to leak outside the boundaries.
if (highlightedIndexRef.current >= filteredOptions.length - 1) {
setHighlightedIndex({
index: filteredOptions.length - 1
});
return;
}
// Restore the focus to the previous index.
setHighlightedIndex({
index: highlightedIndexRef.current
});
// Ignore filteredOptions (and options, isOptionEqualToValue, getOptionLabel) not to break the scroll position
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [
// Only sync the highlighted index when the option switch between empty and not
filteredOptions.length,
// Don't sync the highlighted index with the value when multiple
// eslint-disable-next-line react-hooks/exhaustive-deps
multiple ? false : value, filterSelectedOptions, changeHighlightedIndex, setHighlightedIndex, popupOpen, inputValue, multiple]);
const handleListboxRef = useEventCallback(node => {
setRef(listboxRef, node);
if (!node) {
return;
}
syncHighlightedIndex();
});
if (process.env.NODE_ENV !== 'production') {
// eslint-disable-next-line react-hooks/rules-of-hooks
React.useEffect(() => {
if (!inputRef.current || inputRef.current.nodeName !== 'INPUT') {
if (inputRef.current && inputRef.current.nodeName === 'TEXTAREA') {
console.warn([`A textarea element was provided to ${componentName} where input was expected.`, `This is not a supported scenario but it may work under certain conditions.`, `A textarea keyboard navigation may conflict with Autocomplete controls (e.g. enter and arrow keys).`, `Make sure to test keyboard navigation and add custom event handlers if necessary.`].join('\n'));
} else {
console.error([`MUI: Unable to find the input element. It was resolved to ${inputRef.current} while an HTMLInputElement was expected.`, `Instead, ${componentName} expects an input element.`, '', componentName === 'useAutocomplete' ? 'Make sure you have binded getInputProps correctly and that the normal ref/effect resolutions order is guaranteed.' : 'Make sure you have customized the input component correctly.'].join('\n'));
}
}
}, [componentName]);
}
React.useEffect(() => {
syncHighlightedIndex();
}, [syncHighlightedIndex]);
const handleOpen = event => {
if (open) {
return;
}
setOpenState(true);
setInputPristine(true);
if (onOpen) {
onOpen(event);
}
};
const handleClose = (event, reason) => {
if (!open) {
return;
}
setOpenState(false);
if (onClose) {
onClose(event, reason);
}
};
const handleValue = (event, newValue, reason, details) => {
if (multiple) {
if (value.length === newValue.length && value.every((val, i) => val === newValue[i])) {
return;
}
} else if (value === newValue) {
return;
}
if (onChange) {
onChange(event, newValue, reason, details);
}
setValueState(newValue);
};
const isTouch = React.useRef(false);
const selectNewValue = (event, option, reasonProp = 'selectOption', origin = 'options') => {
let reason = reasonProp;
let newValue = option;
if (multiple) {
newValue = Array.isArray(value) ? value.slice() : [];
if (process.env.NODE_ENV !== 'production') {
const matches = newValue.filter(val => isOptionEqualToValue(option, val));
if (matches.length > 1) {
console.error([`MUI: The \`isOptionEqualToValue\` method of ${componentName} do not handle the arguments correctly.`, `The component expects a single value to match a given option but found ${matches.length} matches.`].join('\n'));
}
}
const itemIndex = findIndex(newValue, valueItem => isOptionEqualToValue(option, valueItem));
if (itemIndex === -1) {
newValue.push(option);
} else if (origin !== 'freeSolo') {
newValue.splice(itemIndex, 1);
reason = 'removeOption';
}
}
resetInputValue(event, newValue);
handleValue(event, newValue, reason, {
option
});
if (!disableCloseOnSelect && (!event || !event.ctrlKey && !event.metaKey)) {
handleClose(event, reason);
}
if (blurOnSelect === true || blurOnSelect === 'touch' && isTouch.current || blurOnSelect === 'mouse' && !isTouch.current) {
inputRef.current.blur();
}
};
function validTagIndex(index, direction) {
if (index === -1) {
return -1;
}
let nextFocus = index;
while (true) {
// Out of range
if (direction === 'next' && nextFocus === value.length || direction === 'previous' && nextFocus === -1) {
return -1;
}
const option = anchorEl.querySelector(`[data-tag-index="${nextFocus}"]`);
// Same logic as MenuList.js
if (!option || !option.hasAttribute('tabindex') || option.disabled || option.getAttribute('aria-disabled') === 'true') {
nextFocus += direction === 'next' ? 1 : -1;
} else {
return nextFocus;
}
}
}
const handleFocusTag = (event, direction) => {
if (!multiple) {
return;
}
if (inputValue === '') {
handleClose(event, 'toggleInput');
}
let nextTag = focusedTag;
if (focusedTag === -1) {
if (inputValue === '' && direction === 'previous') {
nextTag = value.length - 1;
}
} else {
nextTag += direction === 'next' ? 1 : -1;
if (nextTag < 0) {
nextTag = 0;
}
if (nextTag === value.length) {
nextTag = -1;
}
}
nextTag = validTagIndex(nextTag, direction);
setFocusedTag(nextTag);
focusTag(nextTag);
};
const handleClear = event => {
ignoreFocus.current = true;
setInputValueState('');
if (onInputChange) {
onInputChange(event, '', 'clear');
}
handleValue(event, multiple ? [] : null, 'clear');
};
const handleKeyDown = other => event => {
if (other.onKeyDown) {
other.onKeyDown(event);
}
if (event.defaultMuiPrevented) {
return;
}
if (focusedTag !== -1 && ['ArrowLeft', 'ArrowRight'].indexOf(event.key) === -1) {
setFocusedTag(-1);
focusTag(-1);
}
// Wait until IME is settled.
if (event.which !== 229) {
switch (event.key) {
case 'Home':
if (popupOpen && handleHomeEndKeys) {
// Prevent scroll of the page
event.preventDefault();
changeHighlightedIndex({
diff: 'start',
direction: 'next',
reason: 'keyboard',
event
});
}
break;
case 'End':
if (popupOpen && handleHomeEndKeys) {
// Prevent scroll of the page
event.preventDefault();
changeHighlightedIndex({
diff: 'end',
direction: 'previous',
reason: 'keyboard',
event
});
}
break;
case 'PageUp':
// Prevent scroll of the page
event.preventDefault();
changeHighlightedIndex({
diff: -pageSize,
direction: 'previous',
reason: 'keyboard',
event
});
handleOpen(event);
break;
case 'PageDown':
// Prevent scroll of the page
event.preventDefault();
changeHighlightedIndex({
diff: pageSize,
direction: 'next',
reason: 'keyboard',
event
});
handleOpen(event);
break;
case 'ArrowDown':
// Prevent cursor move
event.preventDefault();
changeHighlightedIndex({
diff: 1,
direction: 'next',
reason: 'keyboard',
event
});
handleOpen(event);
break;
case 'ArrowUp':
// Prevent cursor move
event.preventDefault();
changeHighlightedIndex({
diff: -1,
direction: 'previous',
reason: 'keyboard',
event
});
handleOpen(event);
break;
case 'ArrowLeft':
handleFocusTag(event, 'previous');
break;
case 'ArrowRight':
handleFocusTag(event, 'next');
break;
case 'Enter':
if (highlightedIndexRef.current !== -1 && popupOpen) {
const option = filteredOptions[highlightedIndexRef.current];
const disabled = getOptionDisabled ? getOptionDisabled(option) : false;
// Avoid early form validation, let the end-users continue filling the form.
event.preventDefault();
if (disabled) {
return;
}
selectNewValue(event, option, 'selectOption');
// Move the selection to the end.
if (autoComplete) {
inputRef.current.setSelectionRange(inputRef.current.value.length, inputRef.current.value.length);
}
} else if (freeSolo && inputValue !== '' && inputValueIsSelectedValue === false) {
if (multiple) {
// Allow people to add new values before they submit the form.
event.preventDefault();
}
selectNewValue(event, inputValue, 'createOption', 'freeSolo');
}
break;
case 'Escape':
if (popupOpen) {
// Avoid Opera to exit fullscreen mode.
event.preventDefault();
// Avoid the Modal to handle the event.
event.stopPropagation();
handleClose(event, 'escape');
} else if (clearOnEscape && (inputValue !== '' || multiple && value.length > 0)) {
// Avoid Opera to exit fullscreen mode.
event.preventDefault();
// Avoid the Modal to handle the event.
event.stopPropagation();
handleClear(event);
}
break;
case 'Backspace':
if (multiple && !readOnly && inputValue === '' && value.length > 0) {
const index = focusedTag === -1 ? value.length - 1 : focusedTag;
const newValue = value.slice();
newValue.splice(index, 1);
handleValue(event, newValue, 'removeOption', {
option: value[index]
});
}
break;
case 'Delete':
if (multiple && !readOnly && inputValue === '' && value.length > 0 && focusedTag !== -1) {
const index = focusedTag;
const newValue = value.slice();
newValue.splice(index, 1);
handleValue(event, newValue, 'removeOption', {
option: value[index]
});
}
break;
default:
}
}
};
const handleFocus = event => {
setFocused(true);
if (openOnFocus && !ignoreFocus.current) {
handleOpen(event);
}
};
const handleBlur = event => {
// Ignore the event when using the scrollbar with IE11
if (unstable_isActiveElementInListbox(listboxRef)) {
inputRef.current.focus();
return;
}
setFocused(false);
firstFocus.current = true;
ignoreFocus.current = false;
if (autoSelect && highlightedIndexRef.current !== -1 && popupOpen) {
selectNewValue(event, filteredOptions[highlightedIndexRef.current], 'blur');
} else if (autoSelect && freeSolo && inputValue !== '') {
selectNewValue(event, inputValue, 'blur', 'freeSolo');
} else if (clearOnBlur) {
resetInputValue(event, value);
}
handleClose(event, 'blur');
};
const handleInputChange = event => {
const newValue = event.target.value;
if (inputValue !== newValue) {
setInputValueState(newValue);
setInputPristine(false);
if (onInputChange) {
onInputChange(event, newValue, 'input');
}
}
if (newValue === '') {
if (!disableClearable && !multiple) {
handleValue(event, null, 'clear');
}
} else {
handleOpen(event);
}
};
const handleOptionMouseOver = event => {
setHighlightedIndex({
event,
index: Number(event.currentTarget.getAttribute('data-option-index')),
reason: 'mouse'
});
};
const handleOptionTouchStart = () => {
isTouch.current = true;
};
const handleOptionClick = event => {
const index = Number(event.currentTarget.getAttribute('data-option-index'));
selectNewValue(event, filteredOptions[index], 'selectOption');
isTouch.current = false;
};
const handleTagDelete = index => event => {
const newValue = value.slice();
newValue.splice(index, 1);
handleValue(event, newValue, 'removeOption', {
option: value[index]
});
};
const handlePopupIndicator = event => {
if (open) {
handleClose(event, 'toggleInput');
} else {
handleOpen(event);
}
};
// Prevent input blur when interacting with the combobox
const handleMouseDown = event => {
if (event.target.getAttribute('id') !== id) {
event.preventDefault();
}
};
// Focus the input when interacting with the combobox
const handleClick = () => {
inputRef.current.focus();
if (selectOnFocus && firstFocus.current && inputRef.current.selectionEnd - inputRef.current.selectionStart === 0) {
inputRef.current.select();
}
firstFocus.current = false;
};
const handleInputMouseDown = event => {
if (inputValue === '' || !open) {
handlePopupIndicator(event);
}
};
let dirty = freeSolo && inputValue.length > 0;
dirty = dirty || (multiple ? value.length > 0 : value !== null);
let groupedOptions = filteredOptions;
if (groupBy) {
// used to keep track of key and indexes in the result array
const indexBy = new Map();
let warn = false;
groupedOptions = filteredOptions.reduce((acc, option, index) => {
const group = groupBy(option);
if (acc.length > 0 && acc[acc.length - 1].group === group) {
acc[acc.length - 1].options.push(option);
} else {
if (process.env.NODE_ENV !== 'production') {
if (indexBy.get(group) && !warn) {
console.warn(`MUI: The options provided combined with the \`groupBy\` method of ${componentName} returns duplicated headers.`, 'You can solve the issue by sorting the options with the output of `groupBy`.');
warn = true;
}
indexBy.set(group, true);
}
acc.push({
key: index,
index,
group,
options: [option]
});
}
return acc;
}, []);
}
if (disabledProp && focused) {
handleBlur();
}
return {
getRootProps: (other = {}) => _extends({
'aria-owns': listboxAvailable ? `${id}-listbox` : null
}, other, {
onKeyDown: handleKeyDown(other),
onMouseDown: handleMouseDown,
onClick: handleClick
}),
getInputLabelProps: () => ({
id: `${id}-label`,
htmlFor: id
}),
getInputProps: () => ({
id,
value: inputValue,
onBlur: handleBlur,
onFocus: handleFocus,
onChange: handleInputChange,
onMouseDown: handleInputMouseDown,
// if open then this is handled imperativeley so don't let react override
// only have an opinion about this when closed
'aria-activedescendant': popupOpen ? '' : null,
'aria-autocomplete': autoComplete ? 'both' : 'list',
'aria-controls': listboxAvailable ? `${id}-listbox` : undefined,
'aria-expanded': listboxAvailable,
// Disable browser's suggestion that might overlap with the popup.
// Handle autocomplete but not autofill.
autoComplete: 'off',
ref: inputRef,
autoCapitalize: 'none',
spellCheck: 'false',
role: 'combobox'
}),
getClearProps: () => ({
tabIndex: -1,
onClick: handleClear
}),
getPopupIndicatorProps: () => ({
tabIndex: -1,
onClick: handlePopupIndicator
}),
getTagProps: ({
index
}) => _extends({
key: index,
'data-tag-index': index,
tabIndex: -1
}, !readOnly && {
onDelete: handleTagDelete(index)
}),
getListboxProps: () => ({
role: 'listbox',
id: `${id}-listbox`,
'aria-labelledby': `${id}-label`,
ref: handleListboxRef,
onMouseDown: event => {
// Prevent blur
event.preventDefault();
}
}),
getOptionProps: ({
index,
option
}) => {
const selected = (multiple ? value : [value]).some(value2 => value2 != null && isOptionEqualToValue(option, value2));
const disabled = getOptionDisabled ? getOptionDisabled(option) : false;
return {
key: getOptionLabel(option),
tabIndex: -1,
role: 'option',
id: `${id}-option-${index}`,
onMouseOver: handleOptionMouseOver,
onClick: handleOptionClick,
onTouchStart: handleOptionTouchStart,
'data-option-index': index,
'aria-disabled': disabled,
'aria-selected': selected
};
},
id,
inputValue,
value,
dirty,
popupOpen,
focused: focused || focusedTag !== -1,
anchorEl,
setAnchorEl,
focusedTag,
groupedOptions
};
}

Event Timeline

c4science · Help