Typeahead prefetch filtering example

typeahead.js

$el.typeahead({
    minLength: 2,
    autoselect: true,
    hint: false,
    highlight: true
}, {
    source: function(query, cb) {
        suggestSource.ttAdapter()(query, function(items) {
            var filteredItems = [];
            angular.forEach(items, function(item) {
                //TODO: add filter check here
                filteredItems.push(item);
            });

            cb(filteredItems);
        });
    },
    displayKey: 'title',
    templates: {
        empty: '<div class="empty-message">Результаты не найдены</div>'
    }
})