Page Contents
Home > @loopback/context > ContextView > once
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