Download PDF in angular

angular_download_pdf.js

  pdf: $resource(ENV.mainUrl + '/filestack/pdf',
        null, {
          send: {
            method: 'POST',
            //  timeout: POST_TIMEOUT,
            responseType: 'arraybuffer',
            headers: {
              'Content-Type': 'application/pdf',
              'Accept': 'application/pdf'
            },
            transformResponse: function (data) {
              return {
                response: new Blob([data], {
                  type: 'application/pdf'
                })
              };
            }
          }
        })

// In the controller

    function generatePDF() {
      vm.showLoading = true;
      ProfileService.generatePDF().then(function (data) {
        vm.showLoading = false;
        // $window.open(response.filePath, '_blank');
        //  var data = new Blob([response], {type: 'application/pdf'});
        var fileURL = URL.createObjectURL(data.response);
        window.open(fileURL);
        // FileSaver.saveAs(data.response, 'My Profile Snapshot.pdf'); // This is from FileSaver.js
      });
    }