init: Vite+React+Tailwind v2 site with HTML content from WP, RSS feed, external feed aggregator, prerender
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125
scripts/pull-external-rss.js
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125
scripts/pull-external-rss.js
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#!/usr/bin/env node
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/**
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* Тянет внешние RSS-фиды из src/content/feeds.json, дедуплицирует по guid/link,
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* пишет агрегированный news.json в DATA_DIR (default: ./data).
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* Запускается по cron на хосте.
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*/
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import fs from 'node:fs';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { XMLParser } from 'fast-xml-parser';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const ROOT = path.resolve(__dirname, '..');
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const FEEDS_FILE = path.join(ROOT, 'src/content/feeds.json');
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const DATA_DIR = process.env.DATA_DIR || path.join(ROOT, 'data');
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const OUT_FILE = path.join(DATA_DIR, 'news.json');
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const TIMEOUT_MS = 15000;
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const HARD_CAP = 200;
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const parser = new XMLParser({
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ignoreAttributes: false,
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attributeNamePrefix: '@_',
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textNodeName: '#text',
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});
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async function fetchFeed(url, timeoutMs) {
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const ctl = new AbortController();
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const t = setTimeout(() => ctl.abort(), timeoutMs);
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try {
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const r = await fetch(url, {
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signal: ctl.signal,
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headers: { 'User-Agent': 'pushkinohistory-ru-v2 RSS aggregator' },
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});
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if (!r.ok) throw new Error(`HTTP ${r.status}`);
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return await r.text();
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} finally {
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clearTimeout(t);
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}
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}
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function extractItems(xml, feed) {
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const parsed = parser.parse(xml);
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// RSS 2.0
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const rssItems = parsed?.rss?.channel?.item;
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if (rssItems) {
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const arr = Array.isArray(rssItems) ? rssItems : [rssItems];
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return arr.map((it) => ({
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title: typeof it.title === 'string' ? it.title : it.title?.['#text'] || '',
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link: typeof it.link === 'string' ? it.link : it.link?.['#text'] || '',
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guid: typeof it.guid === 'string' ? it.guid : it.guid?.['#text'] || it.link || '',
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pubDate: it.pubDate ? new Date(it.pubDate).toISOString() : null,
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description: stripHtml(it.description || it['content:encoded'] || ''),
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source: feed.name,
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}));
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}
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// Atom
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const atomEntries = parsed?.feed?.entry;
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if (atomEntries) {
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const arr = Array.isArray(atomEntries) ? atomEntries : [atomEntries];
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return arr.map((e) => {
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const link = Array.isArray(e.link) ? e.link[0]?.['@_href'] : e.link?.['@_href'] || e.link;
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return {
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title: typeof e.title === 'string' ? e.title : e.title?.['#text'] || '',
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link: link || '',
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guid: e.id || link || '',
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pubDate: e.updated || e.published ? new Date(e.updated || e.published).toISOString() : null,
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description: stripHtml(e.summary?.['#text'] || e.summary || e.content?.['#text'] || ''),
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source: feed.name,
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};
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});
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}
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return [];
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}
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function stripHtml(s) {
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if (!s) return '';
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return String(s).replace(/<[^>]+>/g, ' ').replace(/\s+/g, ' ').trim().slice(0, 400);
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}
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async function main() {
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const feeds = JSON.parse(fs.readFileSync(FEEDS_FILE, 'utf8')).filter((f) => f.enabled);
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if (feeds.length === 0) {
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console.log('no enabled feeds — writing empty news.json');
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fs.mkdirSync(DATA_DIR, { recursive: true });
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fs.writeFileSync(OUT_FILE, JSON.stringify({ updatedAt: new Date().toISOString(), items: [] }, null, 2));
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return;
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}
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const all = [];
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for (const feed of feeds) {
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try {
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const xml = await fetchFeed(feed.url, TIMEOUT_MS);
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const items = extractItems(xml, feed);
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const max = feed.max || 20;
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all.push(...items.slice(0, max));
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console.log(`✓ ${feed.name}: ${items.length} items (kept ${Math.min(items.length, max)})`);
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} catch (e) {
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console.warn(`✗ ${feed.name}: ${e.message}`);
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}
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}
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const seen = new Set();
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const deduped = [];
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for (const it of all) {
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const key = it.guid || it.link;
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if (!key || seen.has(key)) continue;
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seen.add(key);
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deduped.push(it);
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}
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deduped.sort((a, b) => (b.pubDate || '').localeCompare(a.pubDate || ''));
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const out = {
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updatedAt: new Date().toISOString(),
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items: deduped.slice(0, HARD_CAP),
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};
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fs.mkdirSync(DATA_DIR, { recursive: true });
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fs.writeFileSync(OUT_FILE, JSON.stringify(out, null, 2));
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console.log(`→ ${OUT_FILE}: ${out.items.length} items`);
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}
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main().catch((e) => {
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console.error(e);
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process.exit(1);
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});
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