Order change via pipe is not detected about angular2-masonry HOT 4 OPEN

ngOnInit() {
    this.onEventNewElement.subscribe(() => {
            if (this.elements.length > 0) {
                let el = this.elements[0];
                this.elements.splice(0, 1);
                this.initElementImageload(el);
            }
        });
}

private initElementImageload(element) {
        imagesLoaded(element, (instance: any) => {
            this._element.nativeElement.appendChild(element);
            this._msnry.appended(element);
            this.onEventNewElement.emit();
            this.layout();
        });
}

public add(element: HTMLElement) {
        if (this.useImagesLoaded) {
            this.elements.push(element);
            this._element.nativeElement.removeChild(element);
        }
        if (this._element.nativeElement.children.length === 0) {
            this.onEventNewElement.emit();
        }
}