dspace-angular/src/app/shared/input-suggestions/dso-input-suggestions/dso-input-suggestions.component.html

<form #form="ngForm" (ngSubmit)="onSubmit(currentObject)"
      [action]="action"
      (keydown.arrowdown)="shiftFocusDown($event)"
      (keydown.arrowup)="shiftFocusUp($event)" (keydown.esc)="close()"
      (dsClickOutside)="close();">
    <input #inputField type="text" [(ngModel)]="value" [name]="name"
           class="form-control suggestion_input mb-2"
           [ngClass]="{'is-invalid': !valid}"
           [dsDebounce]="debounceTime" (onDebounce)="find($event)"
           [placeholder]="placeholder"
           [ngModelOptions]="{standalone: true}" autocomplete="off"/>
    <input type="submit" class="d-none"/>
    <div class="autocomplete dropdown-menu" [ngClass]="{'show': (show | async) && isNotEmpty(suggestions)}">
        <div class="dropdown-list">
            <div *ngFor="let suggestionOption of suggestions">
                <button class="d-block dropdown-item"  (click)="onClickSuggestion(suggestionOption)" #suggestion>
                    <ds-listable-object-component-loader [object]="suggestionOption" [viewMode]="viewMode" [linkType]="linkTypes.None"></ds-listable-object-component-loader>
                </button>
            </div>
        </div>
    </div>
</form>