ioredis-lock/src/scripts.js

Node distributed locking using redis with ioredis adapter

/**
 * Exports the required lua scripts to be loaded into redis.
 */

module.exports = {
  delifequal: 'if redis.call("GET", KEYS[1]) == ARGV[1] then\n'
              + '  return redis.call("DEL", KEYS[1])\n'
              + 'end\n'
              + 'return 0',

  pexpireifequal: 'if redis.call("GET", KEYS[1]) == ARGV[1] then\n'
                  + '  return redis.call("PEXPIRE", KEYS[1], ARGV[2])\n'
                  + 'end\n'
                  + 'return 0',
};