Pdf file download (the download name is the same as the file name)

window.JSZip = require("jszip");
import axios from "axios";

 		axios({
          method: "get",
          responseType: "blob", //  Because it's a stream file , So specify blob type 
          url: item.fileUrl, //  Your own server , One of the word Download File Interface 
        }).then( res => {
          if(res.data.size > 0){
              const content = res;
              const blob = new Blob([content]);
              const fileName = item.name +'.pdf' || ' unnamed .pdf';
              if ('download' in document.createElement('a')) { //  Not IE download 
                const elink = document.createElement('a');
                elink.download = fileName;
                elink.style.display = 'none';
                elink.href = URL.createObjectURL(blob);
                document.body.appendChild(elink);
                elink.click();
                URL.revokeObjectURL(elink.href); //  Release  URL  object 
                document.body.removeChild(elink);
              } else { // IE10+ download 
                navigator.msSaveBlob(blob, fileName);
              }
            }
        });