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added SubscriptionContainer.isEmpty

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Eugene Pankov 2021-06-28 22:21:35 +02:00
parent 1198ede0fd
commit 30a8a8d287
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1 changed files with 4 additions and 0 deletions
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4
terminus-core/src/components/base.component.ts
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@ -11,6 +11,10 @@ export class SubscriptionContainer {
private subscriptions: Subscription[] = []
private events: CancellableEvent[] = []
isEmpty (): boolean {
return this.events.length === 0 && this.subscriptions.length === 0
}
addEventListener (element: HTMLElement, event: string, handler: EventListenerOrEventListenerObject, options?: boolean|AddEventListenerOptions): void {
element.addEventListener(event, handler, options)
this.events.push({