pusher/pusher-websocket-react-nativ...

subscribers to a channel](https://pusher.com/docs/channels/using_channels/reading-connection-metrics/#counting-subscribers-to-a-channel) for more details. #### `onMemberAdded` ```typescript function onMemberAdded(member:PusherMember) { console.log(`onMemberAdded: ${member}`); } ``` Use this if you want to be informed when a new member joins a presence channel. This can be used to keep track of the number of members on a channel. Note that this event is only relevant to presence channels. #### `onMemberRemoved` ```typescript function onMemberRemoved(member:PusherMember) { console.log(`onMemberRemoved: ${member}`); } ``` Use this if you want to be informed when a new member leaves a presence channel. This can be used to keep track of the number of members on a channel. Note that this event is only relevant to presence channels. #### `onAuthorizer` ```typescript function onAuthorizer( channelName: string, socketId: string, callback: (error: string, auth: string) => void, ) { console.log(`onAuthorizer: ${channelName} socketId: ${socketId}`); callback(null, '1.0'); } ```