Script to set all items in Splitwise to a specific ratio (useful for couples paying rent etc. based on income)

splitwise-script.js

var yearlyIncomePersonA = 120000;
var yearlyIncomePersonB = 100000;
var query = '.expense:not(.summary)'
var delayMultiplier = 20;
var elLength = $(query).length;
var i = 0;
var maxNum = 0; // maximum number of items it should edit
var interval = setInterval(function () {
  var elements = $(query).toArray();
  var el = elements[i];
  if (typeof el === 'undefined' || (maxNum && maxNum <= i)) {
    console.log('out of items', i);
    return clearInterval(interval);
  }
  console.log('processing', i, el);
  // skip payments, they don't need to be altered
  if ($(el).find('div.summary > .payment').length) {
    i++;
    return;
  }
  $(el).find(' div.summary > div > div.main-block > div.header > span > a').click(); 
  console.log('clicked', $(el).find(' div.summary > div > div.main-block > div.header > span > a'));
  setTimeout(function(){ 
    $(el).find('a:contains(Edit)').click();
    console.log('editing');
    setTimeout(function(){
      $('.main-window .split').click(); 
      console.log('split');
      $('button[data-split-subtype=shares]').click(); 
      console.log('shares');
      $('.split_method.shares .person input:first').val(yearlyIncomePersonA); 
      $('.split_method.shares .person input:nth(1)').val(yearlyIncomePersonB);
      $('.split_method.shares .person input:nth(1)').keyup();
      console.log('set');
      $('.main-window button.submit:contains(Save)').click();
      console.log('saved', i);
      i++;
    }, 100 * delayMultiplier) 
  }, 100 * delayMultiplier) 
}, 250 * delayMultiplier)