Connection Events
The Redis instance will emit some events about the state of the connection to the Redis server.
| Event | Description |
|---|---|
| connect | emits when a connection is established to the Redis server. |
| ready | If enableReadyCheck is true, client will emit ready when the server reports that it is ready to receive commands (e.g. finish loading data from disk).Otherwise, ready will be emitted immediately right after the connect event. |
| error | emits when an error occurs while connecting. However, ioredis emits all error events silently (only emits when there's at least one listener) so that your application won't crash if you're not listening to the error event. |
| close | emits when an established Redis server connection has closed. |
| reconnecting | emits after close when a reconnection will be made. The argument of the event is the time (in ms) before reconnecting. |
| end | emits after close when no more reconnections will be made. |
You can also check out the Redis#status property to get the current connection status.
Besides the above connection events, there are several other custom events:
| Event | Description |
|---|---|
| authError | emits when the password specified in the options is wrong or the server doesn't require a password. |
| select | emits when the database changed. The argument is the new db number. |