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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,175 @@ | ||
| /*! | ||
| * Copyright © 2023 United States Government as represented by the | ||
| * Administrator of the National Aeronautics and Space Administration. | ||
| * All Rights Reserved. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| import { useFetcher } from '@remix-run/react' | ||
| import type { action } from 'app/routes/api.users' | ||
| import classnames from 'classnames' | ||
| import type { UseComboboxProps, UseComboboxStateChange } from 'downshift' | ||
| import { useCombobox } from 'downshift' | ||
| import { debounce } from 'lodash' | ||
| import { useCallback, useEffect, useState } from 'react' | ||
|
|
||
| import { formatAuthor } from '~/routes/circulars/circulars.lib' | ||
|
|
||
| import loaderImage from 'nasawds/src/img/loader.gif' | ||
|
|
||
| export interface UserLookup { | ||
| sub?: string | ||
| email: string | ||
| name?: string | ||
| affiliation?: string | ||
| } | ||
|
|
||
| interface UserComboBoxProps | ||
| extends Omit< | ||
| UseComboboxProps<UserLookup>, | ||
| 'items' | 'onInputValueChange' | 'itemToString' | ||
| > { | ||
| disabled?: boolean | ||
| className?: string | ||
| group?: string | ||
| onChange?: () => void | ||
| } | ||
|
|
||
| interface UserComboBoxHandle { | ||
| reset?: () => void | ||
| } | ||
|
|
||
| export function UserLookupComboBox({ | ||
| disabled, | ||
| className, | ||
| group, | ||
| onChange, | ||
| // ref, | ||
| ...props | ||
| }: UserComboBoxProps & UserComboBoxHandle) { | ||
| const fetcher = useFetcher<typeof action>() | ||
| const [items, setItems] = useState<UserLookup[]>([]) | ||
|
|
||
| useEffect(() => { | ||
| setItems(fetcher.data?.users ?? []) | ||
| }, [fetcher.data]) | ||
|
|
||
| if (onChange) onChange() | ||
|
|
||
| // eslint-disable-next-line react-hooks/exhaustive-deps | ||
| const onInputValueChange = useCallback( | ||
| debounce( | ||
| ({ inputValue, isOpen }: UseComboboxStateChange<UserLookup>) => { | ||
| if (inputValue && isOpen) { | ||
| const data = new FormData() | ||
| data.set('filter', inputValue.split(' ')[0]) | ||
| data.set('intent', 'filter') | ||
| data.set('group', group ?? '') | ||
| fetcher.submit(data, { method: 'POST', action: '/api/users' }) | ||
| } else { | ||
| setItems([]) | ||
| } | ||
| }, | ||
| 500, | ||
| { trailing: true } | ||
| ), | ||
| [] | ||
| ) | ||
|
|
||
| const { | ||
| reset, | ||
| isOpen, | ||
| highlightedIndex, | ||
| selectedItem, | ||
| getMenuProps, | ||
| getInputProps, | ||
| getItemProps, | ||
| getToggleButtonProps, | ||
| } = useCombobox<UserLookup>({ | ||
| items, | ||
| onInputValueChange, | ||
| itemToString(item) { | ||
| return item ? formatAuthor(item) : '' | ||
| }, | ||
| ...props, | ||
| }) | ||
|
|
||
| const loading = fetcher.state === 'submitting' | ||
| const pristine = Boolean(selectedItem) | ||
|
|
||
| return ( | ||
| <div | ||
| data-testid="combo-box" | ||
| data-enhanced="true" | ||
| className={classnames('usa-combo-box', className, { | ||
| 'usa-combo-box--pristine': pristine || loading, | ||
| })} | ||
| > | ||
| <input | ||
| autoCapitalize="off" | ||
| autoComplete="off" | ||
| className="usa-combo-box__input" | ||
| disabled={disabled} | ||
| {...getInputProps()} | ||
| // Funky escape sequence is a zero-width character to prevent Safari | ||
| // from attempting to autofill the user's own email address, which | ||
| // would be triggered by the presence of the string "email" in the | ||
| // placeholder. | ||
| placeholder="Name or em​ail address of user" | ||
| /> | ||
| <span className="usa-combo-box__clear-input__wrapper" tabIndex={-1}> | ||
| <button | ||
| type="button" | ||
| className="usa-combo-box__clear-input" | ||
| aria-label="Clear the select contents" | ||
| style={ | ||
| loading ? { backgroundImage: `url('${loaderImage}')` } : undefined | ||
| } | ||
| onClick={() => reset()} | ||
| hidden={(!pristine || disabled) && !loading} | ||
| disabled={disabled} | ||
| > | ||
| | ||
| </button> | ||
| </span> | ||
| <span className="usa-combo-box__input-button-separator"> </span> | ||
| <span className="usa-combo-box__toggle-list__wrapper" tabIndex={-1}> | ||
| <button | ||
| type="button" | ||
| className="usa-combo-box__toggle-list" | ||
| {...getToggleButtonProps()} | ||
| > | ||
| | ||
| </button> | ||
| </span> | ||
| <ul | ||
| {...getMenuProps()} | ||
| className="usa-combo-box__list" | ||
| role="listbox" | ||
| hidden={!isOpen} | ||
| > | ||
| {isOpen && | ||
| (items.length ? ( | ||
| items.map((item, index) => ( | ||
| <li | ||
| key={item.sub} | ||
| className={classnames('usa-combo-box__list-option', { | ||
| 'usa-combo-box__list-option--focused': | ||
| index === highlightedIndex, | ||
| 'usa-combo-box__list-option--selected': | ||
| selectedItem?.sub === item.sub, | ||
| })} | ||
| {...getItemProps({ item, index })} | ||
| > | ||
| {formatAuthor(item)} | ||
| </li> | ||
| )) | ||
| ) : ( | ||
| <li className="usa-combo-box__list-option--no-results"> | ||
| No results found | ||
| </li> | ||
| ))} | ||
| </ul> | ||
| </div> | ||
| ) | ||
| } |
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