let arr = {};
$('#prop-columns .prop-line.delimiter').each(function () {
const category = $(this);
let props = {};
category.nextUntil('.delimiter').each(function() {
const item = $(this);
props[item.find('.call').text()] = item.find('.prop-value').text();
});
arr[category.text()] = props;
});
console.log(arr);