foundation-comms.connect.streamstate

Connect.streamState() method

Starts listening for updates on the specified resource.

Signature:

streamState(resourceName: string, onMessage: Function, onError: Function, params?: DataserverParams, initialState?: any[]): Observable<any[]>;

Parameter	Type	Description
resourceName	string	The name of the resource to listen for updates on.
onMessage	Function	A callback function to handle received messages.
onError	Function	A callback function to handle errors.
params	DataserverParams	(Optional) Additional parameters to pass to the server.
initialState	any[]	(Optional) State of the list to start with, defaults to empty array.

Returns:

Observable<any[]>

An observable that emits latest state of the list it subscribes to.