svg 形式のアイコンを Scrapbox のタイトル画像用に整えるブックマークレット

javascript:(async () => {
    try {
        const clipboardContents = await navigator.clipboard.readText();
        const parser = new DOMParser();
        const xmlDoc = parser.parseFromString(clipboardContents, "image/svg+xml");
        const svg = xmlDoc.getElementsByTagName('svg')[0];

        // Modifying the attributes
        svg.setAttribute('width', '30');
        svg.setAttribute('height', '24');
        svg.setAttribute('stroke', '#808080'); // grey

        // Serializing the modified SVG
        const serializer = new XMLSerializer();
        const modifiedSvgString = serializer.serializeToString(svg);

        // Creating a Blob from the SVG string
        const blob = new Blob([modifiedSvgString], {type: 'image/svg+xml'});
        const url = URL.createObjectURL(blob);

        // Creating a temporary link to trigger the download
        const downloadLink = document.createElement('a');
        downloadLink.href = url;
        downloadLink.download = 'title.svg'; // Name of the file
        document.body.appendChild(downloadLink);
        downloadLink.click();
        document.body.removeChild(downloadLink);

        // Revoking the Blob URL
        URL.revokeObjectURL(url);
    } catch (err) {
        alert('Error: ' + err);
    }
})();

javascript:(async()=>{try{let e=await navigator.clipboard.readText(),t=new DOMParser,r=t.parseFromString(e,"image/svg+xml"),i=r.getElementsByTagName("svg")[0];i.setAttribute("width","30"),i.setAttribute("height","24"),i.setAttribute("stroke","#808080");let a=new XMLSerializer,l=a.serializeToString(i),c=new Blob([l],{type:"image/svg+xml"}),o=URL.createObjectURL(c),s=document.createElement("a");s.href=o,s.download="title.svg",document.body.appendChild(s),s.click(),document.body.removeChild(s),URL.revokeObjectURL(o)}catch(d){alert("Error: "+d)}})();