/**
 * =====================================
 * ENQUEUE STYLES & SCRIPTS (ELITE FINAL)
 * =====================================
 */
function azzawaj_scripts() {

    $version = wp_get_theme()->get('Version');
    $uri = get_template_directory_uri();
    $dir = get_template_directory();

    /**
     * =========================
     * GOOGLE FONTS (OPTIMIZED)
     * =========================
     */
    wp_enqueue_style(
        'azzawaj-fonts',
        'https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&family=Open+Sans:wght@400;600&display=swap',
        [],
        null
    );

    /**
     * =========================
     * FONT AWESOME
     * =========================
     */
    wp_enqueue_style(
        'azzawaj-fa',
        'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css',
        [],
        '6.5.0'
    );

    /**
     * =========================
     * CSS SYSTEM (MODULAR)
     * =========================
     */

    // VARIABLES (LOAD FIRST)
    if (file_exists($dir . '/assets/css/variables.css')) {
        wp_enqueue_style(
            'azzawaj-vars',
            $uri . '/assets/css/variables.css',
            [],
            $version
        );
    }

    // MAIN CSS (AUTO MIN)
    $main_css = file_exists($dir . '/assets/css/main.min.css')
        ? '/assets/css/main.min.css'
        : '/assets/css/main.css';

    wp_enqueue_style(
        'azzawaj-main',
        $uri . $main_css,
        ['azzawaj-fonts'],
        $version
    );

    // COMPONENTS
    if (file_exists($dir . '/assets/css/components.css')) {
        wp_enqueue_style(
            'azzawaj-components',
            $uri . '/assets/css/components.css',
            ['azzawaj-main'],
            $version
        );
    }

    // HEADER (LOAD AFTER MAIN)
    wp_enqueue_style(
        'azzawaj-header',
        $uri . '/assets/css/header.css',
        ['azzawaj-main'],
        $version
    );

    // ARTICLE (ONLY POSTS)
    if (is_single() || is_home()) {
        if (file_exists($dir . '/assets/css/article.css')) {
            wp_enqueue_style(
                'azzawaj-article',
                $uri . '/assets/css/article.css',
                ['azzawaj-main'],
                $version
            );
        }
    }

    // FOOTER
    if (file_exists($dir . '/assets/css/footer.css')) {
        wp_enqueue_style(
            'azzawaj-footer',
            $uri . '/assets/css/footer.css',
            ['azzawaj-main'],
            $version
        );
    }

    /**
     * =========================
     * JS SYSTEM (MODULAR)
     * =========================
     */

    // MAIN JS (AUTO MIN)
    $main_js = file_exists($dir . '/assets/js/main.min.js')
        ? '/assets/js/main.min.js'
        : '/assets/js/main.js';

    wp_enqueue_script(
        'azzawaj-main',
        $uri . $main_js,
        [],
        $version,
        true
    );

    // HEADER
    if (file_exists($dir . '/assets/js/header.js')) {
        wp_enqueue_script(
            'azzawaj-header',
            $uri . '/assets/js/header.js',
            ['azzawaj-main'],
            $version,
            true
        );
    }

    // SIDEBAR (ONLY SINGLE)
    if (is_single() && file_exists($dir . '/assets/js/sidebar.js')) {
        wp_enqueue_script(
            'azzawaj-sidebar',
            $uri . '/assets/js/sidebar.js',
            ['azzawaj-main'],
            $version,
            true
        );
    }

    // SCROLL (ONLY ARTICLES)
    if (is_single() && file_exists($dir . '/assets/js/scroll.js')) {
        wp_enqueue_script(
            'azzawaj-scroll',
            $uri . '/assets/js/scroll.js',
            ['azzawaj-main'],
            $version,
            true
        );
    }

    // SEARCH (GLOBAL)
    if (file_exists($dir . '/assets/js/search.js')) {
        wp_enqueue_script(
            'azzawaj-search',
            $uri . '/assets/js/search.js',
            ['azzawaj-main'],
            $version,
            true
        );
    }

    /**
     * =========================
     * LOCALIZE AJAX
     * =========================
     */
    wp_localize_script('azzawaj-main', 'azzawaj_ajax', [
        'ajax_url' => admin_url('admin-ajax.php'),
        'home_url' => home_url(),
    ]);
}
add_action('wp_enqueue_scripts', 'azzawaj_scripts');


/**
 * =====================================
 * DEFER JS (SAFE)
 * =====================================
 */
function azzawaj_defer_scripts($tag, $handle) {

    if (is_admin()) return $tag;

    $defer_scripts = [
        'azzawaj-main',
        'azzawaj-header',
        'azzawaj-sidebar',
        'azzawaj-scroll',
        'azzawaj-search'
    ];

    if (in_array($handle, $defer_scripts)) {
        return str_replace('<script ', '<script defer ', $tag);
    }

    return $tag;
}
add_filter('script_loader_tag', 'azzawaj_defer_scripts', 10, 2);


/**
 * =====================================
 * RESOURCE HINTS (PERFORMANCE BOOST)
 * =====================================
 */
function azzawaj_resource_hints($urls, $relation_type) {

    if ($relation_type === 'preconnect') {

        $urls[] = ['href' => 'https://fonts.googleapis.com'];

        $urls[] = [
            'href' => 'https://fonts.gstatic.com',
            'crossorigin' => true
        ];
    }

    return $urls;
}
add_filter('wp_resource_hints', 'azzawaj_resource_hints', 10, 2);


/**
 * =====================================
 * REMOVE GUTENBERG CSS (LIGHTWEIGHT)
 * =====================================
 */
function azzawaj_cleanup_assets() {

    if (!is_admin()) {
        wp_dequeue_style('wp-block-library');
        wp_dequeue_style('wp-block-library-theme');
    }
}
add_action('wp_enqueue_scripts', 'azzawaj_cleanup_assets', 100);<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/multiplat/azzawaj.multiplatforms.net/wp-content/themes/azzawaj-theme/inc/enqueue.php:1) in <b>/home/multiplat/azzawaj.multiplatforms.net/wp-includes/sitemaps/class-wp-sitemaps-renderer.php</b> on line <b>126</b><br />
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://azzawaj.multiplatforms.net/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://azzawaj.multiplatforms.net/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://azzawaj.multiplatforms.net/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://azzawaj.multiplatforms.net/wp-sitemap-posts-give_forms-1.xml</loc></sitemap><sitemap><loc>https://azzawaj.multiplatforms.net/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://azzawaj.multiplatforms.net/wp-sitemap-taxonomies-post_tag-1.xml</loc></sitemap><sitemap><loc>https://azzawaj.multiplatforms.net/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>