Loop server error numbers.
It can be installed using npm:
$ npm install loop-server-errno
Then, use it like that:
> var errors = require('loop-server-errno');
errors
> { INVALID_TOKEN: 105,
BADJSON: 106,
INVALID_PARAMETERS: 107,
MISSING_PARAMETERS: 108,
INVALID_AUTH_TOKEN: 110,
EXPIRED: 111,
REQUEST_TOO_LARGE: 113,
INVALID_OAUTH_STATE: 114,
CLIENT_REACHED_CAPACITY: 121,
USER_UNAVAILABLE: 122,
BACKEND: 201,
ROOM_FULL: 202,
UNDEFINED: 999 }