A function type that handles authentication expiration events for Ditto.
This handler is called when the authentication for a Ditto instance has or is
about to expire, or if authentication has not yet occurred. It provides the
relevant Ditto instance and the time interval (in seconds) until
expiration. You can use this to login or to perform other necessary actions
before authentication expires.
A function type that handles authentication expiration events for Ditto.
This handler is called when the authentication for a Ditto instance has or is about to expire, or if authentication has not yet occurred. It provides the relevant Ditto instance and the time interval (in seconds) until expiration. You can use this to login or to perform other necessary actions before authentication expires.
Important: When using the server connection mode (i.e. DittoConfigConnectServer), you must set an expiration handler via ditto.auth.setExpirationHandler() . Otherwise, ditto.sync.start() will throw DittoError with code
authentication/expiration-handler-missing.