Download archivos

this.tramiteDetalleService
  .getInfoTramite(this.caseCode, this.idDoc)
  .subscribe((resp) => {
    let blob = resp.body;
    let contentDisposition = resp.headers.get("content-disposition");
    let fileName = contentDisposition
      .split(";")[1]
      .split("filename")[1]
      .split("=")[1]
      .replace(new RegExp('"', "g"), "")
      .trim();
    if (navigator.appVersion.toString().indexOf(".NET") > 0) {
      window.navigator.msSaveOrOpenBlob(blob, fileName);
    } else {
      const element: HTMLAnchorElement = document.createElement("a");
      element.href = window.URL.createObjectURL(blob);
      element.download = fileName;
      document.body.appendChild(element);
      element.click();
      document.body.removeChild(element);
    }
  });