cors-download.js

fetch(agreementObj.file, {}).then(response => {
      response.blob().then(blob => {
          // Creating new object of PDF file
          const fileURL = window.URL.createObjectURL(
              blob
          );

          const fileName = agreementObj.file.split(
              "/"
          );

          // Setting various property values
          let alink = document.createElement("a");
          alink.href = fileURL;
          alink.download =
              fileName[fileName.length - 1];
          alink.click();
      });
  });