add_action('wp_enqueue_scripts', function () {
    wp_enqueue_script('main.js', asset_path('scripts/main.js'), ['jquery'], null, true);

    if (is_front_page()) {
        $shops = ['a', 'b', 'c'];
        wp_localize_script('main.js', 'shopItems', $shops);
    }

}, 100);

add_action('wp_enqueue_scripts', function () {
    wp_enqueue_script('main.js', asset_path('scripts/main.js'), ['jquery'], null, true);

    $shops = ['a', 'b', 'c'];
    wp_localize_script('main.js', 'shopItems', $shops);

}, 100);