class ApplicationRef {
    tick() {
        if (this._runningTick) {
            throw new Error('ApplicationRef.tick is called recursively');
        }
        const scope = ApplicationRef._tickScope();
        try {
            this._runningTick = true;
            this._views.forEach((view) => view.detectChanges());
            if (this._enforceNoNewChanges) {
                this._views.forEach((view) => view.checkNoChanges());
            }
        }
        catch (e) {
            // Attention: Don't rethrow as it could cancel subscriptions to Observables!
            this._zone.runOutsideAngular(() => this._exceptionHandler.handleError(e));
        }
        finally {
            this._runningTick = false;
            wtfLeave(scope);
        }
    }
}