redis-json-wrapper.js

module.exports = (redis) => {
  const cmds = [
    // O(N), where N is the size of the deleted value.
    'json.del',

    // O(N), where N is the size of the value.
    'json.get',

    // O(M*N), where M is the number of keys and N is the size of the value.
    'json.mget',

    // O(M+N), where M is the size of the original value (if it exists) and N is the size of the new value.
    'json.set',

    // O(1).
    'json.type',

    // O(1).
    'json.numincrby',

    // O(1).
    'json.nummultby',

    // O(N), where N is the new string's length.
    'json.strappend',

    // O(1).
    'json.strlen',

    // O(1).
    'json.arrappend',

    // O(N), where N is the array's size.
    'json.arrindex',

    // O(N), where N is the array's size.
    'json.arrinsert',

    // O(1).
    'json.arrlen',

    // O(N), where N is the array's size for index other than the last element, O(1) otherwise.
    'json.arrpop',

    // O(N), where N is the array's size.
    'json.arrtrim',

    // O(N), where N is the number of keys in the object.
    'json.objkeys',

    // O(1).
    'json.objlen',

    // O(N), where N is the size of the JSON value.
    'json.debug',

    // An alias for JSON.DEL.
    'json.forget',

    // O(N), where N is the size of the JSON value.
    'json.resp'
  ]

  cmds.forEach((cmd) => redis.addCommand(cmd))

  return redis
}