typeahead-prevent-manual-entry.html

<p>Prevents manual text entry and updates the model only when an item from suggestions is selected</p>

<label for="typeahead-prevent-manual-entry">Search for a state:</label>
<input id="typeahead-prevent-manual-entry"  type="text" class="form-control"
       [(ngModel)]="model"
       [ngbTypeahead]="search"
       [inputFormatter]="formatter"
       [resultFormatter]="formatter"
       [editable]='false' />
<hr>
<pre>Model: {{ model | json }}</pre>