discourse 刷阅读量 from opus4.6

discourse.ts

(async () => {
  const SCROLL_STEP = 300;       // 每次滚动像素
  const SCROLL_INTERVAL = 800;   // 滚动间隔(ms)
  const IDLE_WAIT = 3000;        // 到底后等待加载时间(ms)
  const MAX_IDLE_RETRIES = 5;    // 最大等待加载重试次数

  const sleep = ms => new Promise(r => setTimeout(r, ms));
  let idleCount = 0;
  let lastHeight = 0;

  console.log('🐙 开始自动滚动...');

  while (true) {
    window.scrollBy({ top: SCROLL_STEP, behavior: 'smooth' });
    await sleep(SCROLL_INTERVAL);

    const currentHeight = document.documentElement.scrollHeight;
    const scrollPos = window.scrollY + window.innerHeight;

    // 判断是否到达底部（留 5px 容差）
    if (scrollPos >= currentHeight - 5) {
      if (currentHeight === lastHeight) {
        idleCount++;
        console.log(`⏳ 等待加载... (${idleCount}/${MAX_IDLE_RETRIES})`);
        if (idleCount >= MAX_IDLE_RETRIES) {
          console.log('✅ 已到达页面底部，滚动结束。');
          break;
        }
        await sleep(IDLE_WAIT);
      } else {
        // 页面高度变了，说明加载了新内容
        idleCount = 0;
      }
      lastHeight = currentHeight;
    } else {
      idleCount = 0;
      lastHeight = currentHeight;
    }
  }
})();