DispatchOptions

Controls who receives a published message.

Both browser and filter are predicates over the subscribing {@link Browser}. When both are set, a subscriber must satisfy both (browser identity AND filter). When neither is set, the message is delivered to every current subscriber for the method.

Properties 

browser 

browser?: Browser;

Deliver only to subscribers whose originating {@link Browser} is this one. Useful for per-window UIs (e.g. a download progress panel that should only see downloads started in the same window).

filter 

filter?: (browser: Browser) => boolean;

Deliver only to subscribers whose originating {@link Browser} is accepted by this predicate. Use for arbitrary filtering (groups of windows, etc.).