code: function readPassword(program) {
      prompt.message = "";
      prompt.delimiter = "";
  
      const passportOption = [{name: 'password', description: 'New password:', hidden: true}];
      const rePassportOption = [{name: 'rePassword', description: 'Re-type new password:', hidden: true}];
  
      // Try to read password.
      prompt.get(passportOption, (err, result) => {
          if (!err) {
              const password = result.password;
              setTimeout(function () {
                  prompt.get(rePassportOption, (err, result) => {
                      if (!err && password == result.rePassword) {
                          program.args.push(password);
  
                          try {
                              processor.syncFile(program);
                          } catch (err) {
                              console.error(err.message);
                          }
                      } else {
                          console.error("\nPassword verification error.");
                      }
                  });
              }, 50);
          } else {
              console.error("\nPassword verification error.");
          }
      });
  }
docs: Read password.