import Rails from 'rails-ujs'; import jQuery from 'jquery'; import { delegate } from '@utils'; // We use `jQuery.active` in our capybara suit to wait for ajax requests. // Newer jQuery-less version of rails-ujs is breaking it. // We have to set `ajax:complete` listener on the same element as the one // we catch ajax:send on as by the end of the request // the old element may be removed from DOM. delegate('ajax:send', '[data-remote]', ({ target }) => { let callback = () => { jQuery.active--; target.removeEventListener('ajax:complete', callback); }; target.addEventListener('ajax:complete', callback); jQuery.active++; }); // `smart_listing` gem is overriding `$.rails.href` method. When using newer // jQuery-less version of rails-ujs it breaks. // https://github.com/Sology/smart_listing/blob/master/app/assets/javascripts/smart_listing.coffee.erb#L9 addEventListener('load', () => { const { href } = Rails; Rails.href = function(element) { return element.href || href(element); }; }); // rails-ujs installs CSRFProtection for its own ajax implementation. We might need // CSRFProtection for jQuery initiated requests. This code is from jquery-ujs. jQuery.ajaxPrefilter((options, originalOptions, xhr) => { if (!options.crossDomain) { CSRFProtection(xhr); } }); function csrfToken() { return jQuery('meta[name=csrf-token]').attr('content'); } function CSRFProtection(xhr) { let token = csrfToken(); if (token) { xhr.setRequestHeader('X-CSRF-Token', token); } }