dspace-angular/src/app/shared/page-size-selector/page-size-selector.component.html

<div class="page-size-settings">
    <ds-sidebar-dropdown
            [id]="'search-sidebar-rpp'"
            [label]="'search.sidebar.settings.rpp'"
            (changed)="reloadRPP($event)"
    >
        <option *ngFor="let pageSizeOption of (paginationOptions$ | async).pageSizeOptions"
                [value]="pageSizeOption"
                [selected]="pageSizeOption === +((paginationOptions$ | async).pageSize) ? 'selected': null">
            {{pageSizeOption}}
        </option>
    </ds-sidebar-dropdown>
</div>