my-links/components/Categories/Categories.js

import { useState } from 'react';
import { signIn, signOut } from "next-auth/react"

import ModalAddCategory from './ModalAddCategory';

import styles from '../../styles/categories.module.scss';

export default function Categories({
    categories,
    favorites,
    handleSelectCategory,
    categoryActive,
    session
}) {
    const [modalOpen, setModalOpen] = useState(false);

    return (<div className={styles['categories-wrapper']}>
        <div className={`${styles['block-wrapper']} ${styles['favorites']}`}>
            <h4>Favoris</h4>
            <ul className={styles['items']}>
                {favorites.map((link, key) => {
                    const { name, url, categoryName } = link;
                    return <li key={key} className={styles['item']}>
                        <a href={url} target={'_blank'} rel={'noreferrer'}>
                            {name} <span className={styles['category']}>- {categoryName}</span>
                        </a>
                    </li>;
                })}
            </ul>
        </div>
        <div className={`${styles['block-wrapper']} ${styles['categories']}`}>
            <h4>Catégories</h4>
            <ul className={styles['items']}>
                {categories.map(({ id, name }, key) => {
                    const className = `${styles['item']} ${id === categoryActive ? styles['active'] : ''}`;
                    const onClick = () => handleSelectCategory(id);

                    return (
                        <li key={key} className={className} onClick={onClick}>
                            {name}
                        </li>
                    )
                })}
            </ul>
        </div>
        {session !== null ? 
            <button onClick={() => setModalOpen((state) => !state)}>
                Ajouter une catégorie
            </button> :
            <div className={`${styles['block-wrapper']} ${styles['controls']}`} onClick={signIn}>
                <button>Se connecter</button>
            </div>}

        <ModalAddCategory
            categories={categories}
            isOpen={modalOpen}
            closeModal={() => setModalOpen(false)}
        />
    </div>);
}