优设读报资讯

1return await (() => {2  const input = typeof params === "object" && params !== null ? params : {};3  const rawLimit = input.limit === undefined ? 10 : Number(input.limit);4 5  if (!Number.isFinite(rawLimit) || rawLimit <= 0) {6    throw new Error("params.limit must be a positive number.");7  }8 9  const limit = Math.min(Math.floor(rawLimit), 50);10  const cleanText = (value) =>11    String(value || "")12      .replace(/\s+/g, " ")13      .replace(/\u00a0/g, " ")14      .trim();15 16  const absoluteUrl = (value) => {17    if (!value) return null;18    try {19      return new URL(value, window.location.href).href;20    } catch (error) {21      return null;22    }23  };24 25  const itemMap = new Map();26  const addItem = (item) => {27    const key = item.url || `${item.title}:${item.summary}`;28    if (!item.title || itemMap.has(key)) return;29    itemMap.set(key, item);30  };31 32  const nodes = Array.from(document.querySelectorAll(".dubao-item"));33 34  for (const node of nodes) {35    if (itemMap.size >= limit) break;36 37    const titleNode =38      node.querySelector(".dubao-title") ||39      node.querySelector("[class*='title']") ||40      node.querySelector("h1,h2,h3,h4,a[href]");41    const contentNode =42      node.querySelector(".dubao-content") ||43      node.querySelector("[class*='content']") ||44      node.querySelector("p");45    const linkNode = node.querySelector("a[href]");46    const url = absoluteUrl(linkNode?.getAttribute("href")) || window.location.href;47    const dateNode = node.querySelector("time,[class*='date'],[class*='time']");48    const tagNode = node.querySelector("[class*='tag'],[class*='cat']");49 50    addItem({51      title: cleanText(titleNode?.textContent || linkNode?.textContent),52      summary: cleanText(contentNode?.textContent) || null,53      url,54      dateText: cleanText(dateNode?.textContent) || null,55      tag: cleanText(tagNode?.textContent) || null,56      source: "dubao-item",57    });58  }59 60  if (itemMap.size < limit) {61    for (const link of Array.from(document.querySelectorAll('a[href]'))) {62      if (itemMap.size >= limit) break;63 64      const url = absoluteUrl(link.getAttribute("href"));65      const title = cleanText(link.getAttribute("title") || link.textContent);66 67      if (!url || !title || title.length < 4) continue;68      if (!url.includes("uisdc.com")) continue;69 70      const container = link.closest("article,li,section,div") || link;71      const summary = Array.from(container.querySelectorAll("p"))72        .map((node) => cleanText(node.textContent))73        .find((text) => text && text !== title);74 75      addItem({76        title,77        summary: summary || null,78        url,79        dateText: cleanText(container.querySelector("time")?.textContent) || null,80        tag: null,81        source: "link-fallback",82      });83    }84  }85 86  const items = Array.from(itemMap.values()).slice(0, limit);87 88  return {89    limit,90    count: items.length,91    items,92    pageTitle: cleanText(document.title) || null,93    sourceUrl: window.location.href,94  };95})();