app/javascript/legacy/campaigner_facing/setup_once.js
import $ from 'jquery';
function setupOnce(selector, viewClass) {
$(selector).each(function(ii, el) {
let $el = $(el);
if ($el.data('js-inited') != true) {
let toggle = new viewClass({ el: $el });
$el.data('js-inited', true);
}
});
}
export default setupOnce;