Type Alias DataSourceEvents<TItem>

DataSourceEvents: EventsDefinition & {
    error: [unknown];
    isReading: [boolean];
    items: [List<TItem>];
}

Events of an IDataSource.

error: [unknown]

A read failed: the error, raised right before IDataSourceBase.read rethrows it. Never raised for a superseded read.
isReading: [boolean]

The first read of a burst started (true) or the latest one settled (false), successfully or not: a read superseded by a newer one raises nothing.
items: [List<TItem>]

The latest read succeeded: the new items.