node.js redis special delete del

https://github.com/luin/ioredis

const Redis = require('ioredis');
const redis = new Redis();

const delScript = `
  local all_keys = {};
  local keys = {};
  local done = false;
  local cursor = "0"
  repeat
      local result = redis.call("SCAN", cursor, "match", KEYS[1], "count", KEYS[2])
      cursor = result[1];
      keys = result[2];
      for i, key in ipairs(keys) do
          all_keys[#all_keys+1] = key;
      end
      if cursor == "0" then
          done = true;
      end
  until done
  for i, key in ipairs(all_keys) do
      redis.call("DEL", key);
  end
  return true;
`;

redis.defineCommand('del', {
  numberOfKeys: 2,
  lua: delScript
});

redis.del('login:202007*', 10000, function(error, result) {
  console.log('error: ', error);
  console.log('result: ', result);
});