js:wrap_xd [Cyanide]

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<JS>

/* WRAP xd - Embed XD frame */ 

jQuery(function() {

    if (typeof(wrap_xd) === 'undefined')
    {
        wrap_xd = true;
    
         /* console.log("Parse XD iframes"); */

        function trimByChar(string, character) {

            const arr = Array.from(string);

            const first =           arr.findIndex(char => char !== character);
            const last  = arr.reverse().findIndex(char => char !== character);

            return (first === -1 && last === -1) ? '' : string.substring(first, string.length - last);
        }

        jQuery(".wrap_xd").each(function() {

            var $wrap = jQuery(this);
            var url   = trimByChar($wrap.text().trim(), "/");

            if (url.indexOf("/view/") > 0) {
            
                console.log("-----------------------------------------------------------------");
                console.log(url);
                console.log(url.substring(0,  url.indexOf("/view/")));
                console.log(url.substring(6 + url.indexOf("/view/"), end));

                var end = url.indexOf("/", 6 + url.indexOf("/view/"));
                
                if (end >= 0) /* has /screen/ */
                {
                    url = url.substring(0,  url.indexOf("/view/")) + "/embed/" + 
                          url.substring(6 + url.indexOf("/view/"), end);
                }
                else
                {
                    url = url.substring(0,  url.indexOf("/view/")) + "/embed/" + 
                          url.substring(6 + url.indexOf("/view/"));
                }
                      
                console.log(url);
                console.log("-----------------------------------------------------------------");
            }

            var classes = [...$wrap[0].classList];

            var w = 16;
            var h =  9;

            for (var c = 0; c < classes.length; ++c) {

                var classname = classes[c];

                if (classname.indexOf("wrap_x") >= 0) { var s = classname.substring(6); if (!isNaN(s)) w = parseInt(s); }
                if (classname.indexOf("wrap_y") >= 0) { var s = classname.substring(6); if (!isNaN(s)) h = parseInt(s); }
                if (classname.indexOf("wrap_w") >= 0) { var s = classname.substring(6); if (!isNaN(s)) w = parseInt(s); }
                if (classname.indexOf("wrap_h") >= 0) { var s = classname.substring(6); if (!isNaN(s)) h = parseInt(s); }
            }

            var html = "";

            html += '<p>';
            html += '<iframe frameborder=0 style="width: 99%; height: auto; aspect-ratio: '+w+' / '+h+';" src="'+url+'"></iframe>';
            html += '<a target="_blank" href="'+url+'">'+url+'</a>';
            html += '</p>';
            
            console.log("Add iframe");

            $wrap.html(html);

        });
    }
});

</JS>