Calculate money spent on twitch

twitch_money_spent.md

This script calculates your spent on twitch. Follow the instructions and run on the console of your browser's inspector tools. Currently supports €. Change it if your currency differs.

1. Navigate to https://www.twitch.tv/wallet?tab=purchase-history
2. Make sure the date range covers the period you want to calculate the spent on
3. Open developer tools, go to console and run:

function sumCurrentPage(table) {
  return Array
    .from(table.querySelectorAll(".tw-table-cell:nth-of-type(4) > * p.CoreText-sc-cpl358-0"))
    .map(v => Number.parseFloat(v.innerHTML.replace('€', '').replace('+', '-')))
    .filter(v => !!v)
    .reduce((total, v) => total + v, 0);
}

(async () => {
  const table = $('table.tw-table > tbody.tw-table-body');
  const previous = $('[data-test-selector=table-pagination__back-button]');
  const next = $('[data-test-selector=table-pagination__next-button]');
  const sleep = (ms) => new Promise((resolve) => window.setTimeout(resolve, ms));
  
  while(!previous.disabled) {
    previous.click();
    await sleep(2000);
  }
  
  let total = sumCurrentPage(table);
  while(!next.disabled) {
    next.click();
    await sleep(2000); 
    total += sumCurrentPage(table);
  }
  console.log('Total spent', Math.ceil(total));
})();