All files / Components UserSuggest.js

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import React, { useState } from 'react';
import UserAvatar from 'react-user-avatar';
import PropTypes from "prop-types";
import Input from './Input';
 
const UserSuggest = ({ users, select, photos, placeholder, noMatchesText, limit, ...props }) => {
    const [activeUser, setActiveUser] = useState(0);
    const [filteredUsers, setFilteredUsers] = useState([]);
    const [showUsers, setShowUsers] = useState(false);
    const [userInput, setUserInput] = useState('');
 
    const onChange = e => {
        const userInput = e.currentTarget.value;
 
        const _filteredUsers = users.filter(
            user => user.username.toLowerCase().indexOf(userInput.toLowerCase()) > -1
                || user.name.toLowerCase().indexOf(userInput.toLowerCase()) > -1
        );
 
        setActiveUser(0);
        setFilteredUsers(_filteredUsers);
        setShowUsers(true);
        setUserInput(e.currentTarget.value);
    };
 
    const onClick = e => {
        e.stopPropagation();
 
        setUserInput(filteredUsers[e.currentTarget.dataset.key].username);
        select(filteredUsers[e.currentTarget.dataset.key]);
 
        setActiveUser(0);
        setFilteredUsers([]);
        setShowUsers(false);
    };
 
    const onKeyDown = e => {
        /* istanbul ignore else */
        if (e.keyCode === 13) {
            setUserInput(filteredUsers[activeUser].username);
            select(filteredUsers[activeUser]);
 
            setShowUsers(false);
            setActiveUser(0);
        }
        else if (e.keyCode === 38) {
            if (activeUser === 0)
                return;
 
            setActiveUser(activeUser - 1);
        }
        else if (e.keyCode === 40) {
            if (activeUser + 1 === filteredUsers.length)
                return;
            setActiveUser(activeUser + 1);
        }
    };
 
    let usersListComponent;
 
    if (showUsers && userInput) {
        if (filteredUsers.length) {
            let count = 1;
            usersListComponent = (
                <ul className="absolute inset-x-0 bg-white dark:bg-gray-700 rounded-b border border-gray-200 dark:border-gray-600 text-gray-900 text-sm font-medium dark:text-white cursor-pointer">
                    {
                        filteredUsers.map((user, index) => {
                            /* istanbul ignore else */
                            if (limit === 0 || count <= limit) {
                                let className = "flex flex-row gap-x-2 px-4 py-2 hover:bg-gray-200 dark:hover:bg-gray-900";
 
                                if (index === activeUser) {
                                    className = "flex flex-row gap-x-2 px-4 py-2 bg-gray-100 dark:bg-gray-800 hover:bg-gray-200 dark:hover:bg-gray-900";
                                }
 
                                count = count + 1;
 
                                return (
                                    <li className={className} key={user.id} data-key={index} onClick={onClick}>
                                        {
                                            (photos)
                                                ? <UserAvatar size="18" name={user.name} src={`/user/${user.id}/photo`} />
                                                : null
                                        }
                                        <strong>{user.name}</strong> <em>({user.email})</em>
                                    </li>
                                )
                            }
                        })
                    }
                </ul>
            );
        } else {
            usersListComponent = (
                <ul className="absolute inset-x-0 bg-white dark:bg-gray-700 rounded-b border border-gray-200 dark:border-gray-600 text-gray-900 text-sm font-medium dark:text-white cursor-pointer">
                    <li className="px-4 py-2 text-center"><em>{noMatchesText}</em></li>
                </ul>
            );
        }
    }
 
    return (
        <Input type="text" onChange={onChange} onKeyDown={onKeyDown} value={userInput}
            placeholder={placeholder} autoComplete="no" action={usersListComponent} actionLocation='none' {...props} />
    );
}
 
UserSuggest.propTypes = {
    users: PropTypes.instanceOf(Array),
    select: PropTypes.instanceOf(Function),
    photos: PropTypes.bool,
    placeholder: PropTypes.string,
    noMatchesText: PropTypes.string,
    limit: PropTypes.number,
    wrapperClassName: PropTypes.oneOfType([PropTypes.string, PropTypes.array, PropTypes.object]),
};
 
UserSuggest.defaultProps = {
    users: [],
    select: function () { return true; },
    photos: true,
    placeholder: 'Start typing a username...',
    noMatchesText: 'No matching users found!',
    limit: 0,
    wrapperClassName: 'relative mb-6',
};
 
export default UserSuggest;