chore: import upstream snapshot with attribution

clis/linux-do/topic.js

@@ -0,0 +1,53 @@
+import { cli, Strategy } from '@jackwener/opencli/registry';
+import { fetchLinuxDoJson } from './feed.js';
+function toLocalTime(utcStr) {
+    if (!utcStr)
+        return '';
+    const date = new Date(utcStr);
+    return Number.isNaN(date.getTime()) ? utcStr : date.toLocaleString();
+}
+function strip(html) {
+    return (html || '')
+        .replace(/<br\s*\/?>/gi, ' ')
+        .replace(/<\/(p|div|li|blockquote|h[1-6])>/gi, ' ')
+        .replace(/<[^>]+>/g, '')
+        .replace(/&nbsp;/g, ' ')
+        .replace(/&amp;/g, '&')
+        .replace(/&lt;/g, '<')
+        .replace(/&gt;/g, '>')
+        .replace(/&quot;/g, '"')
+        .replace(/&#(?:(\d+)|x([0-9a-fA-F]+));/g, (_, dec, hex) => {
+        try {
+            return String.fromCodePoint(dec !== undefined ? Number(dec) : parseInt(hex, 16));
+        }
+        catch {
+            return '';
+        }
+    })
+        .replace(/\s+/g, ' ')
+        .trim();
+}
+cli({
+    site: 'linux-do',
+    name: 'topic',
+    access: 'read',
+    description: 'linux.do 帖子首页摘要和回复（首屏）',
+    domain: 'linux.do',
+    strategy: Strategy.COOKIE,
+    browser: true,
+    args: [
+        { name: 'id', type: 'int', required: true, positional: true, help: 'Topic ID' },
+        { name: 'limit', type: 'int', default: 20, help: 'Number of posts' },
+    ],
+    columns: ['author', 'content', 'likes', 'created_at'],
+    func: async (page, kwargs) => {
+        const data = await fetchLinuxDoJson(page, `/t/${kwargs.id}.json`);
+        const posts = (data?.post_stream?.posts || []);
+        return posts.slice(0, kwargs.limit).map((p) => ({
+            author: p.username,
+            content: strip(p.cooked).slice(0, 200),
+            likes: p.like_count,
+            created_at: toLocalTime(p.created_at),
+        }));
+    },
+});