app/assets/javascripts/admin/index_utils/directives/select2_min_search.js.coffee
angular.module("admin.indexUtils").directive "select2MinSearch", ($timeout) ->
require: 'ngModel'
link: (scope, element, attrs, ngModel) ->
element.select2
minimumResultsForSearch: attrs.select2MinSearch
ngModel.$formatters.push (value) ->
element.select2('val', value)
value