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ContextView.once() method

The “unbind” event is emitted a new binding is removed from the view.

Signature:

once(eventName: 'unbind', listener: <V>(event: ContextViewEvent<V> & {
        cachedValue?: V;
    }) => void): this;

Parameters

Parameter Type Description
eventName ‘unbind’ The name of the event - always unbind.
listener <V>(event: ContextViewEvent<V> & { cachedValue?: V; }) => void The listener function to call when the event is emitted.

Returns:

this