ghost/core/client/utils/dropdown-service.js

// This is used by the dropdown initializer (and subsequently popovers) to manage closing & toggling
import BodyEventListener from 'ghost/mixins/body-event-listener';

var DropdownService = Ember.Object.extend(Ember.Evented, BodyEventListener, {
    bodyClick: function (event) {
        /*jshint unused:false */
        this.closeDropdowns();
    },
    closeDropdowns: function () {
        this.trigger('close');
    },
    toggleDropdown: function (dropdownName, dropdownButton) {
        this.trigger('toggle', {target: dropdownName, button: dropdownButton});
    }
});

export default DropdownService;