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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | 10x 10x 10x 10x 10x 23x 23x 23x 23x 1x 10x 3x 10x | import { HttpClient } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { Observable, timer } from 'rxjs';
import { flatMap, shareReplay } from 'rxjs/operators';
export type FeatureTogglesMap = Map<string, boolean>;
export type FeatureTogglesMap$ = Observable<FeatureTogglesMap>;
@Injectable({
providedIn: 'root'
})
export class FeatureTogglesService {
readonly API_URL: string = 'api/feature_toggles';
readonly REFRESH_INTERVAL: number = 20000;
private featureToggleMap$: FeatureTogglesMap$;
constructor(private http: HttpClient) {
this.featureToggleMap$ = timer(0, this.REFRESH_INTERVAL).pipe(
flatMap(() => this.http.get<FeatureTogglesMap>(this.API_URL)),
shareReplay(1)
);
}
get(): FeatureTogglesMap$ {
return this.featureToggleMap$;
}
}
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