Bitburner auto hacknet upgrade

hacknet.js

(() => {
  clearInterval(window.__hacknetBot);

  const RESERVE = 0;          // money to always keep, e.g. 1e6 to keep $1m
  const INTERVAL_MS = 200;    // how often to check

  const SUF = { '': 1, k: 1e3, m: 1e6, b: 1e9, t: 1e12, q: 1e15, Q: 1e18, s: 1e21, S: 1e24, o: 1e27, n: 1e30 };
  const parse = (t) => {
    const m = t.replace(/,/g, '').match(/\$\s*(-?[\d.]+(?:e[+-]?\d+)?)\s*([kmbtqQsSon]?)/);
    return m ? parseFloat(m[1]) * SUF[m[2]] : NaN;
  };

  const getMoney = () => {
    const cell = [...document.querySelectorAll('th,td,p,span')].find((e) => e.textContent.trim() === 'Money');
    return parse(cell?.closest('tr')?.textContent || '');
  };

  const label = (b) => {
    const kind = b.closest('tr')?.textContent.match(/^(Level|RAM|Cores)/)?.[1] || '';
    for (let el = b.parentElement; el; el = el.parentElement) {
      const names = el.textContent.match(/hacknet-node-\d+/g);
      if (names) return names.length === 1 ? `${names[0]} ${kind}` : 'new node';
    }
    return 'new node';
  };

  // all buy buttons, sorted cheapest first
  const getButtons = () =>
    [...document.querySelectorAll('button')]
      .filter((b) => !b.disabled && /^(Purchase Hacknet Node|\+\d+)\s*-\s*\$/.test(b.textContent.replace(/\s+/g, ' ').trim()))
      .map((b) => ({ b, cost: parse(b.textContent) }))
      .filter((x) => !isNaN(x.cost))
      .sort((a, b) => a.cost - b.cost);

  const tick = () => {
    const money = getMoney();
    const opts = getButtons();
    if (isNaN(money) || !opts.length) return; // not on Hacknet page
    const best = opts[0];
    if (best.cost <= money - RESERVE) {
      console.log(`[hacknet] ${label(best.b)}: ${best.b.textContent.replace(/\s+/g, ' ').trim()}`);
      best.b.click();
    }
  };

  window.__hacknetBot = setInterval(tick, INTERVAL_MS);
  window.stopHacknet = () => { clearInterval(window.__hacknetBot); console.log('[hacknet] stopped'); };
  console.log('[hacknet] started — stopHacknet() to stop');
})();