vault backup: 2026-11-09 09:18:58

小鱼/闲鱼消息通知/probe-expression.js

@@ -0,0 +1,87 @@
+(() => {
+  const MAX = 120;
+  const path = (el) => {
+    const parts = [];
+    let n = el;
+    while (n && n.nodeType === 1 && parts.length < 5) {
+      let s = n.tagName.toLowerCase();
+      if (n.id) { s += '#' + n.id; parts.unshift(s); break; }
+      const cls = (n.className || '').toString().trim().split(/\s+/).filter(Boolean).slice(0, 3);
+      if (cls.length) s += '.' + cls.join('.');
+      parts.unshift(s);
+      n = n.parentElement;
+    }
+    return parts.join(' > ');
+  };
+
+  const out = {
+    url: location.href,
+    title: document.title,
+    visible: document.visibilityState,
+    time: new Date().toISOString(),
+    domSize: 0,
+    badges: [],
+    classHits: [],
+    titleNumbers: [],
+    iframes: []
+  };
+
+  try {
+    const all = document.querySelectorAll('*');
+    out.domSize = all.length;
+
+    // 1) small numeric nodes that look like an unread counter
+    for (const el of all) {
+      if (out.badges.length >= MAX) break;
+      if (el.children.length > 1) continue;
+      const txt = (el.textContent || '').trim();
+      if (!/^\d{1,4}\+?$/.test(txt)) continue;
+      const r = el.getBoundingClientRect();
+      if (r.width < 6 || r.height < 6 || r.width > 140 || r.height > 60) continue;
+      const cs = getComputedStyle(el);
+      const bg = (cs.backgroundColor.match(/\d+/g) || []).map(Number);
+      const fg = (cs.color.match(/\d+/g) || []).map(Number);
+      const bgRed = bg.length >= 3 && bg[0] > 150 && bg[1] < 120 && bg[2] < 120;
+      const fgRed = fg.length >= 3 && fg[0] > 150 && fg[1] < 110 && fg[2] < 110;
+      out.badges.push({
+        p: path(el),
+        t: txt,
+        red: bgRed || fgRed,
+        bg: cs.backgroundColor,
+        color: cs.color,
+        fs: cs.fontSize,
+        rect: [Math.round(r.x), Math.round(r.y), Math.round(r.width), Math.round(r.height)],
+        parentText: ((el.parentElement && el.parentElement.textContent) || '').trim().slice(0, 60)
+      });
+    }
+
+    // 2) nodes carrying unread-ish class names
+    const sel = '[class*="unread"],[class*="badge"],[class*="Unread"],[class*="Badge"],[class*="red-dot"],[class*="redDot"],[class*="num"],[class*="count"],[class*="Count"]';
+    for (const el of document.querySelectorAll(sel)) {
+      if (out.classHits.length >= MAX) break;
+      const r = el.getBoundingClientRect();
+      const cs = getComputedStyle(el);
+      out.classHits.push({
+        p: path(el),
+        cls: (el.className || '').toString().slice(0, 160),
+        t: (el.textContent || '').trim().slice(0, 40),
+        bg: cs.backgroundColor,
+        display: cs.display,
+        rect: [Math.round(r.x), Math.round(r.y), Math.round(r.width), Math.round(r.height)]
+      });
+    }
+
+    // 3) numbers inside the tab title
+    const tn = (document.title || '').match(/\d{1,4}/g) || [];
+    out.titleNumbers = tn.slice(0, 6);
+
+    // 4) frames (message panes are sometimes iframed)
+    for (const f of document.querySelectorAll('iframe')) {
+      out.iframes.push({ src: f.src || '', p: path(f) });
+    }
+  } catch (e) {
+    out.error = String(e && e.message || e);
+  }
+
+  return out;
+})()