@clr/angular
Version:
Angular components for Clarity
71 lines • 7.07 kB
JavaScript
/*
* Copyright (c) 2016-2025 Broadcom. All Rights Reserved.
* The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
import { Injectable, InjectionToken } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
let activeCounter = 0;
export const IF_ACTIVE_ID = new InjectionToken('IF_ACTIVE_ID');
export function tokenFactory() {
return ++activeCounter;
}
export const IF_ACTIVE_ID_PROVIDER = {
provide: IF_ACTIVE_ID,
useFactory: tokenFactory,
};
/*********
* @class IfActiveService
*
* @description
* An injectable service used by IfActive structural directives and the components that implement IfActive in their
* templates. It holds the value of the current state and provides an Observable that both the directive and the
* implementing component can subscribe to in order to take action on current value changes.
*
*/
export class IfActiveService {
constructor() {
/********
* @property _currentChange
*
* @description
* A RXJS Subject that updates and provides subscriptions to for the current current state of a component template
* implemting the IfActive structural directive.
*
*/
this._currentChange = new Subject();
}
/*********
*
* @description
* A getter function that provides an observable for the _current Subject.
*
*/
get currentChange() {
return this._currentChange.asObservable();
}
/*********
*
* @description
* A property that gets/sets the current state of _current for this instance of IfActive structural directive.
* And, broadcasts the new value to all subscribers.
*
*/
get current() {
return this._current;
}
set current(value) {
if (this._current !== value) {
this._current = value;
this._currentChange.next(value);
}
}
}
IfActiveService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: IfActiveService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
IfActiveService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: IfActiveService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: IfActiveService, decorators: [{
type: Injectable
}] });
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