@iotize/ionic
Version:
Iotize specific building blocks on top of @ionic/angular.
34 lines • 4.11 kB
JavaScript
import { BehaviorSubject } from 'rxjs';
import { UniqArray } from './uniq-array';
export class UniqKeyQueue {
get queueChange() {
return this._queue.asObservable();
}
constructor(equalsFunction) {
this.equalsFunction = equalsFunction;
this._uniqItems = new UniqArray([], this.equalsFunction);
this._queue = new BehaviorSubject(this._uniqItems.items);
}
getSnasphot() {
return [...this._queue.value];
}
reset() {
if (this.getSnasphot().length !== 0) {
this._uniqItems.clear();
this._queue.next([]);
}
}
add(...items) {
const addedCount = this._uniqItems.push(...items);
if (addedCount > 0) {
this._queue.next([...this._uniqItems.items]);
}
}
remove(...itemsToRemove) {
const removedItems = this._uniqItems.remove(...itemsToRemove);
if (removedItems.length > 0) {
this._queue.next([...this._uniqItems.items]);
}
}
}
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