ReferenceError: jQuery is not defined at

I got error in this line:

jQuery(document).ready(function() {
    document.querySelectorAll(".ez-toc-section").forEach(t=>{
        t.setAttribute("ez-toc-data-id", "#" + decodeURI(t.getAttribute("id")))
    }
    ),
    jQuery("a.ez-toc-link").click(function() {
        let t = jQuery(this).attr("href")
          , e = jQuery("#wpadminbar")
          , i = 0;
        30 > 30 && (i = 30),
        e.length && (i += e.height()),
        jQuery('[ez-toc-data-id="' + decodeURI(t) + '"]').length > 0 && (i = jQuery('[ez-toc-data-id="' + decodeURI(t) + '"]').offset().top - i),
        jQuery("html, body").animate({
            scrollTop: i
        }, 500)
    })
});

ReferenceError: jQuery is not defined

I know this happen maybe because minify js using autoptimize.

I’ve open the ETOC plugin folder and find this code:

private static function inlineScrollEnqueueScripts()
        {

            $offset = wp_is_mobile() ? ezTOC_Option::get( 'mobile_smooth_scroll_offset', 0 ) : ezTOC_Option::get( 'smooth_scroll_offset', 30 );
            
             $inlineScrollJS = <<<INLINESCROLLJS
jQuery(document).ready(function(){document.querySelectorAll(".ez-toc-section").forEach(t=>{t.setAttribute("ez-toc-data-id","#"+decodeURI(t.getAttribute("id")))}),jQuery("a.ez-toc-link").click(function(){let t=jQuery(this).attr("href"),e=jQuery("#wpadminbar"),i=0;$offset>30&&(i=$offset),e.length&&(i+=e.height()),jQuery('[ez-toc-data-id="'+decodeURI(t)+'"]').length>0&&(i=jQuery('[ez-toc-data-id="'+decodeURI(t)+'"]').offset().top-i),jQuery("html, body").animate({scrollTop:i},500)})});
INLINESCROLLJS;
            wp_register_script( 'ez-toc-scroll-scriptjs', '', array( 'jquery' ), ezTOC::VERSION );
            wp_enqueue_script( 'ez-toc-scroll-scriptjs', '', array( 'jquery' ), ezTOC::VERSION );
            wp_add_inline_script( 'ez-toc-scroll-scriptjs', $inlineScrollJS );
        }

How can I fix this error with modify the php code?

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