feat(dom): currentAttribute scraper for gym page (manual verify)

src/dom.js

@@ -0,0 +1,81 @@
+/**
+ * Reads the gym page DOM and returns:
+ *   { attr: 'strength'|'speed'|..., current: number, gym: string }
+ * or `null` if the page doesn't look like a Torn gym page.
+ *
+ * The selectors below are best-effort matches for torn.com/gym.php
+ * and will need adjustment if Torn changes the markup.
+ */
+export function currentAttribute() {
+  // The attribute name is shown in the gym page header.
+  // Torn displays it as a capitalized word (e.g. "Strength") near the
+  // top of the gym form.
+  const KNOWN = ['strength', 'defense', 'speed', 'dexterity', 'endurance', 'intelligence'];
+
+  const headers = document.querySelectorAll('h1, h2, h3, h4, .title, .gym-title, [class*="gym"]');
+  let attr = null;
+  for (const el of headers) {
+    const t = (el.textContent || '').trim().toLowerCase();
+    for (const k of KNOWN) {
+      if (t.includes(k)) { attr = k; break; }
+    }
+    if (attr) break;
+  }
+  if (!attr) return null;
+
+  // Current value: look for the prominent number on the page that is
+  // formatted like a Torn attribute (e.g. "14,328,501").
+  const valEl = findValueElement();
+  if (!valEl) return null;
+  const current = parseNumber(valEl.textContent);
+  if (current == null) return null;
+
+  // Gym name: any element on the page containing the word "Gym" or
+  // "Bastion" / "Frontline" / etc. Torn's gym names vary.
+  const gym = findGymName() || 'Unknown gym';
+
+  return { attr, current, gym };
+}
+
+function findValueElement() {
+  // Walk all elements; pick the largest formatted number on the page.
+  // Torn renders the current attribute as a big number near the
+  // "Property" label.
+  const candidates = document.querySelectorAll('*');
+  let best = null;
+  let bestN = -Infinity;
+  for (const el of candidates) {
+    if (el.children.length > 0) continue;
+    const t = (el.textContent || '').trim();
+    if (!/^[\d,]+(\.\d+)?$/.test(t)) continue;
+    const n = parseNumber(t);
+    if (n == null || n < 1) continue;
+    if (n > bestN) { best = el; bestN = n; }
+  }
+  return best;
+}
+
+function findGymName() {
+  // Look for a known set of Torn gym name fragments. Adjust as needed.
+  const known = [
+    'Total Bastion', 'Frontline Fitness', 'Gym 300', 'Gym 500',
+    'Baldr\'s Gym', 'Sportscience Laboratory', 'Premier Fitness',
+    'Chrome Gym', 'Mr. Miyagi\'s', 'Power House',
+  ];
+  const all = document.querySelectorAll('p, span, div, h1, h2, h3, h4, li');
+  for (const el of all) {
+    const t = (el.textContent || '').trim();
+    for (const name of known) {
+      if (t.includes(name)) return name;
+    }
+  }
+  return null;
+}
+
+function parseNumber(text) {
+  if (!text) return null;
+  const cleaned = text.replace(/,/g, '').trim();
+  if (!/^\d+(\.\d+)?$/.test(cleaned)) return null;
+  const n = parseFloat(cleaned);
+  return Number.isFinite(n) ? Math.floor(n) : null;
+}