roi-theme/wp-content/themes/apus-theme/inc/enqueue-scripts.php

<?php
/**
 * Enqueue Bootstrap 5 and Custom Scripts
 *
 * @package Apus_Theme
 * @since 1.0.0
 */

// Exit if accessed directly
if (!defined('ABSPATH')) {
    exit;
}

/**
 * Enqueue typography system
 */
function apus_enqueue_fonts() {
    wp_enqueue_style(
        'apus-fonts',
        get_template_directory_uri() . '/assets/css/fonts.css',
        array(),
        '1.0.0',
        'all'
    );
}

add_action('wp_enqueue_scripts', 'apus_enqueue_fonts', 1);

/**
 * Enqueue Bootstrap 5 styles and scripts
 */
function apus_enqueue_bootstrap() {
    // Bootstrap CSS - with high priority
    wp_enqueue_style(
        'apus-bootstrap',
        get_template_directory_uri() . '/assets/css/bootstrap.min.css',
        array('apus-fonts'),
        '5.3.8',
        'all'
    );

    // Bootstrap JS Bundle - in footer with defer
    wp_enqueue_script(
        'apus-bootstrap-js',
        get_template_directory_uri() . '/assets/js/bootstrap.bundle.min.js',
        array(),
        '5.3.8',
        array(
            'in_footer' => true,
            'strategy'  => 'defer',
        )
    );

    // Dequeue jQuery if it was enqueued
    wp_dequeue_script('jquery');
    wp_deregister_script('jquery');
}

add_action('wp_enqueue_scripts', 'apus_enqueue_bootstrap', 5);

/**
 * Enqueue header styles and scripts
 */
function apus_enqueue_header() {
    // Header CSS
    wp_enqueue_style(
        'apus-header',
        get_template_directory_uri() . '/assets/css/header.css',
        array('apus-fonts'),
        '1.0.0',
        'all'
    );

    // Header JS - with defer strategy
    wp_enqueue_script(
        'apus-header-js',
        get_template_directory_uri() . '/assets/js/header.js',
        array(),
        '1.0.0',
        array(
            'in_footer' => true,
            'strategy'  => 'defer',
        )
    );
}

add_action('wp_enqueue_scripts', 'apus_enqueue_header', 10);

/**
 * Enqueue footer styles
 */
function apus_enqueue_footer_styles() {
    wp_enqueue_style(
        'apus-footer',
        get_template_directory_uri() . '/assets/css/footer.css',
        array('apus-bootstrap'),
        APUS_VERSION,
        'all'
    );
}

add_action('wp_enqueue_scripts', 'apus_enqueue_footer_styles', 12);

/**
 * Enqueue accessibility styles
 */
function apus_enqueue_accessibility() {
    wp_enqueue_style(
        'apus-accessibility',
        get_template_directory_uri() . '/assets/css/accessibility.css',
        array('apus-theme-style'),
        '1.0.0',
        'all'
    );
}

add_action('wp_enqueue_scripts', 'apus_enqueue_accessibility', 15);

/**
 * Enqueue AdSense loader script
 */
function apus_enqueue_adsense_loader() {
    // Only run on frontend
    if (is_admin()) {
        return;
    }

    // Check if AdSense delay is enabled
    $delay_enabled = get_theme_mod('apus_adsense_delay_enabled', true);

    if (!$delay_enabled) {
        return;
    }

    // Enqueue AdSense loader script
    wp_enqueue_script(
        'apus-adsense-loader',
        get_template_directory_uri() . '/assets/js/adsense-loader.js',
        array(),
        APUS_VERSION,
        array(
            'in_footer' => true,
            'strategy'  => 'defer',
        )
    );
}

add_action('wp_enqueue_scripts', 'apus_enqueue_adsense_loader', 10);

/**
 * Enqueue Table of Contents styles and scripts
 */
function apus_enqueue_toc_assets() {
    // Only enqueue on single posts
    if (!is_single()) {
        return;
    }

    // TOC CSS
    wp_enqueue_style(
        'apus-toc-style',
        get_template_directory_uri() . '/assets/css/toc.css',
        array('apus-bootstrap'),
        APUS_VERSION,
        'all'
    );

    // TOC JS
    wp_enqueue_script(
        'apus-toc-script',
        get_template_directory_uri() . '/assets/js/toc.js',
        array(),
        APUS_VERSION,
        array(
            'in_footer' => true,
            'strategy'  => 'defer',
        )
    );
}

add_action('wp_enqueue_scripts', 'apus_enqueue_toc_assets', 10);

/**
 * Enqueue theme core styles
 */
function apus_enqueue_theme_styles() {
    // Theme Core Styles
    wp_enqueue_style(
        'apus-theme',
        get_template_directory_uri() . '/assets/css/theme.css',
        array('apus-bootstrap'),
        '1.0.0',
        'all'
    );

    // Theme Animations
    wp_enqueue_style(
        'apus-animations',
        get_template_directory_uri() . '/assets/css/animations.css',
        array('apus-theme'),
        '1.0.0',
        'all'
    );

    // Theme Responsive Styles
    wp_enqueue_style(
        'apus-responsive',
        get_template_directory_uri() . '/assets/css/responsive.css',
        array('apus-theme'),
        '1.0.0',
        'all'
    );

    // Theme Utilities
    wp_enqueue_style(
        'apus-utilities',
        get_template_directory_uri() . '/assets/css/utilities.css',
        array('apus-theme'),
        '1.0.0',
        'all'
    );

    // Print Styles
    wp_enqueue_style(
        'apus-print',
        get_template_directory_uri() . '/assets/css/print.css',
        array(),
        '1.0.0',
        'print'
    );
}

add_action('wp_enqueue_scripts', 'apus_enqueue_theme_styles', 13);