Load all inventory history data

load-all-inventory-history-data.js

// Copy and paste into console on the following URL:
// https://steamcommunity.com/my/inventoryhistory/?app%5B%5D=730
(async _ => {
  const loadMoreBtnSelector = '#load_more_button:not([style*="display:none"])';
  let pagesLoaded = 0;
  console.time('loadall');
  console.log(g_historyCursor);
  while (g_historyCursor !== null) {
    pagesLoaded++;
    await waitForSelector(loadMoreBtnSelector);
    await sleep(100);
    document.querySelector(loadMoreBtnSelector).click();
    await sleep(1000);
  }
  console.log(g_historyCursor);
  console.timeEnd('loadall');
  console.log('Pages loaded', pagesLoaded);
  
  function sleep(ms) {
    return new Promise(r => setTimeout(r, ms));
  }
  
  function waitForSelector(selector) {
    return new Promise((resolve, reject) => {
      let el = document.querySelector(selector);
      if (el) {resolve(el);}
      new MutationObserver((mutationRecords, observer) => {
        Array.from(document.querySelectorAll(selector)).forEach((element) => {
          resolve(element);
          observer.disconnect();
        });
      })
      .observe(document.documentElement, {
        childList: true,
        subtree: true
      });
    });
  }
})();