ZPOP for Node.js redis

zpop_command.js

redis.RedisClient.prototype.zpop = function(key, withscores, callback) {
  if (callback === undefined && typeof(withscores) === 'function') callback = withscores;
  this.multi().
    zrange(key, 0, 0, withscores).
    zremrangebyrank(key, 0, 0).
    exec(function(err, replies) {
      if (callback) callback(err, replies ? replies[0] : null);
    });
};