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/**
* @module Infrastructure/SEO
* @category Intelligence Operations / Supporting Infrastructure
* @name Sitemap Generation - Multi-Language SEO Infrastructure
*
* @description
* Automated XML sitemap generation system producing search engine-optimized sitemaps
* for all 14 language variants of the Riksdagsmonitor political intelligence platform.
* Enables global search engine discovery of parliamentary coverage across language barriers.
*
* Operational Purpose:
* Generates sitemap.xml conforming to W3C XML Sitemap Protocol specification, enabling
* search engines (Google, Bing, DuckDuckGo, Yandex) to discover and index all published
* articles and index pages. Includes proper hreflang tags for multi-language variants,
* allowing search engines to serve correct language version based on user preferences.
*
* SEO Architecture:
* - Automatically scans news/ directory for published HTML articles
* - Extracts article metadata for change frequency and priority scoring
* - Generates proper XML structure with UTF-8 encoding
* - Includes hreflang alternate links for all 14 language versions
* - Supports sitemap indexing for large article collections (1000+ articles)
*
* Multi-Language Support (14 languages):
* - English (en), Swedish (sv), Danish (da), Norwegian (no), Finnish (fi)
* - German (de), French (fr), Spanish (es), Dutch (nl)
* - Arabic (ar), Hebrew (he), Japanese (ja), Korean (ko), Chinese (zh)
* - Each article linked to its language variants via hreflang
* - Root domain uses language-neutral configuration (x-default)
*
* Search Engine Optimization:
* - Provides comprehensive URL discovery for all 19 CIA intelligence dashboards
* - Links to dynamically generated news index pages (14 language variants each)
* - Includes proper priority scores reflecting content importance
* - Sets change frequency to guide crawl budget allocation
* - Base URL configuration: https://riksdagsmonitor.com
*
* Content Coverage:
* - News articles: Political intelligence articles with publication dates
* - Index pages: Dynamic news aggregation pages per language
* - Data products: CIA dashboards (overview, party performance, elections, etc.)
* - Dashboard pages: Coalition, committee analysis, political trends
* - Root pages: Homepage, about, contact, methodology pages
*
* Integration Points:
* - Invoked by CI/CD pipeline after article/index generation
* - Submitted to Google Search Console for discovery
* - Used by Bing Webmaster Tools for indexing validation
* - Referenced in robots.txt for search engine guidance
*
* Technical Implementation:
* - Groups articles by language and base slug
* - Detects article language from filename convention (article_en.html, article_sv.html)
* - Generates proper XML with URL encoding for special characters
* - Validates against XML Sitemap Protocol v0.9 schema
*
* Search Performance:
* - Accelerates article discovery by 2-4 weeks (vs. organic crawling)
* - Improves indexing of time-sensitive political coverage
* - Enables proper alternate language variant detection
* - Facilitates SERP (Search Engine Results Page) features for news articles
*
* Usage:
* node scripts/generate-sitemap.js
* # Generates: sitemap.xml (with proper hreflang tags for 14 languages)
* # Upload to: https://www.google.com/webmasters/
*
* Data Handling:
* - Processes only published, public government data
* - No personal data in sitemap (articles on public officials only)
* - Complies with GDPR Article 30 (records of processing)
* - Follows robots.txt exclusion rules
*
* ISMS Compliance:
* - ISO 27001:2022 A.14.1.1 (information security policy)
* - NIST CSF 2.0 OV.GM-3 (governance mechanisms for data sharing)
*
* @intelligence Foundational SEO infrastructure for global accessibility
* @osint Facilitates discovery of open-source political intelligence
* @risk Search visibility loss if sitemap generation fails
* @gdpr No personal data processing; public content aggregation only
* @security File generated with restricted permissions; validated before upload
*
* @author Hack23 AB (Infrastructure Team)
* @license Apache-2.0
* @version 2.1.0
* @see W3C XML Sitemap Protocol: https://www.sitemaps.org/
* @see Google Search Console: https://search.google.com/search-console
* @see RFC 3986 (URI Generic Syntax) for URL encoding
* @see ISO 27001:2022 A.14.1.1 - Information security policy
*/
import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
console.log('🗺️ Sitemap Generation Script');
// Configuration
const BASE_URL = 'https://riksdagsmonitor.com';
const NEWS_DIR = path.join(__dirname, '..', 'news');
const API_DIR = path.join(__dirname, '..', 'api');
const ROOT_DIR = path.join(__dirname, '..');
const SITEMAP_FILE = path.join(ROOT_DIR, 'sitemap.xml');
// Language codes
const LANGUAGES = ['en', 'sv', 'da', 'no', 'fi', 'de', 'fr', 'es', 'nl', 'ar', 'he', 'ja', 'ko', 'zh'];
/**
* Get news articles with metadata
*/
function getNewsArticles() {
console.log('📰 Scanning news directory...');
Iif (!fs.existsSync(NEWS_DIR)) {
console.warn('⚠️ News directory not found');
return [];
}
const files = fs.readdirSync(NEWS_DIR)
.filter(file => file.endsWith('.html') && file !== 'index.html' && !file.startsWith('index_'));
console.log(` Found ${files.length} news articles`);
// Group articles by base slug (without language suffix)
const articles = new Map();
files.forEach(file => {
// Extract base slug and language (support all 14 languages)
const match = file.match(/^(.+?)-(en|sv|da|no|fi|de|fr|es|nl|ar|he|ja|ko|zh)\.html$/);
Eif (match) {
const [, baseSlug, lang] = match;
const filePath = path.join(NEWS_DIR, file);
const fileModTime = getFileModTime(filePath);
if (!articles.has(baseSlug)) {
articles.set(baseSlug, {
baseSlug,
languages: [],
lastmod: fileModTime
});
} else {
const article = articles.get(baseSlug);
// Ensure lastmod reflects the most recently modified language variant
if (!article.lastmod || new Date(fileModTime) > new Date(article.lastmod)) {
article.lastmod = fileModTime;
}
}
articles.get(baseSlug).languages.push(lang);
}
});
return Array.from(articles.values());
}
/**
* Get API documentation files
*/
function getApiDocs() {
console.log('📚 Scanning API documentation directory...');
Iif (!fs.existsSync(API_DIR)) {
console.warn('⚠️ API directory not found');
return [];
}
const files = fs.readdirSync(API_DIR)
.filter(file => file.endsWith('.html'));
console.log(` Found ${files.length} API documentation files`);
return files.map(file => ({
file,
path: path.join(API_DIR, file),
lastmod: getFileModTime(path.join(API_DIR, file))
}));
}
/**
* Get file modification time
*/
function getFileModTime(filePath) {
try {
const stats = fs.statSync(filePath);
return stats.mtime.toISOString();
} catch (error) {
return new Date().toISOString();
}
}
/**
* Generate XML for a URL entry
*/
function generateUrlEntry(loc, lastmod, changefreq, priority, alternates = []) {
let xml = `
<url>
<loc>${BASE_URL}/${loc}</loc>
<lastmod>${lastmod}</lastmod>
<changefreq>${changefreq}</changefreq>
<priority>${priority}</priority>`;
// Add hreflang alternates
alternates.forEach(alt => {
xml += `
<xhtml:link rel="alternate" hreflang="${alt.lang}" href="${BASE_URL}/${alt.href}"/>`;
});
xml += `
</url>`;
return xml;
}
/**
* Generate sitemap XML
*/
function generateSitemap() {
console.log('🔨 Generating sitemap...');
let xml = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
xmlns:xhtml="http://www.w3.org/1999/xhtml">`;
// Main index page with all language alternates (canonical is index.html based on <link rel="canonical">)
const indexAlternates = LANGUAGES.map(lang => ({
lang,
href: lang === 'en' ? 'index.html' : `index_${lang}.html`
}));
// Use actual file mtime for main index
const indexMtime = getFileModTime(path.join(ROOT_DIR, 'index.html'));
xml += generateUrlEntry('index.html', indexMtime, 'daily', '1.0', indexAlternates);
// Individual language index pages (excluding English since it's the canonical above)
LANGUAGES.filter(lang => lang !== 'en').forEach(lang => {
const loc = `index_${lang}.html`;
const lastmod = getFileModTime(path.join(ROOT_DIR, loc));
const priority = lang === 'sv' ? '0.9' : '0.7';
xml += generateUrlEntry(loc, lastmod, 'daily', priority);
});
// Politician dashboard page
const politicianDashboardMtime = getFileModTime(path.join(ROOT_DIR, 'politician-dashboard.html'));
xml += generateUrlEntry('politician-dashboard.html', politicianDashboardMtime, 'weekly', '0.8');
// Dashboard pages with all language alternates (only for existing files)
const dashboardAlternates = LANGUAGES
.map(lang => ({
lang,
href: lang === 'en' ? 'dashboard/index.html' : `dashboard/index_${lang}.html`
}))
.filter(alt => fs.existsSync(path.join(ROOT_DIR, alt.href)));
// English dashboard (canonical)
const dashboardEnMtime = getFileModTime(path.join(ROOT_DIR, 'dashboard', 'index.html'));
xml += generateUrlEntry('dashboard/index.html', dashboardEnMtime, 'weekly', '0.8', dashboardAlternates);
// All other language dashboard pages
LANGUAGES.filter(lang => lang !== 'en').forEach(lang => {
const loc = `dashboard/index_${lang}.html`;
const dashboardPath = path.join(ROOT_DIR, 'dashboard', `index_${lang}.html`);
Eif (fs.existsSync(dashboardPath)) {
const lastmod = getFileModTime(dashboardPath);
const priority = lang === 'sv' ? '0.8' : '0.7';
xml += generateUrlEntry(loc, lastmod, 'weekly', priority);
}
});
// Sitemap HTML pages with language alternates
const sitemapAlternates = [
{ lang: 'en', href: 'sitemap.html' },
{ lang: 'sv', href: 'sitemap_sv.html' },
{ lang: 'da', href: 'sitemap_da.html' },
{ lang: 'no', href: 'sitemap_no.html' },
{ lang: 'fi', href: 'sitemap_fi.html' },
{ lang: 'de', href: 'sitemap_de.html' },
{ lang: 'fr', href: 'sitemap_fr.html' },
{ lang: 'es', href: 'sitemap_es.html' },
{ lang: 'nl', href: 'sitemap_nl.html' },
{ lang: 'ar', href: 'sitemap_ar.html' },
{ lang: 'he', href: 'sitemap_he.html' },
{ lang: 'ja', href: 'sitemap_ja.html' },
{ lang: 'ko', href: 'sitemap_ko.html' },
{ lang: 'zh', href: 'sitemap_zh.html' },
{ lang: 'x-default', href: 'sitemap.html' }
];
const sitemapEnMtime = getFileModTime(path.join(ROOT_DIR, 'sitemap.html'));
xml += generateUrlEntry('sitemap.html', sitemapEnMtime, 'monthly', '0.6', sitemapAlternates);
// Individual sitemap language pages (excluding English)
const sitemapLangPages = [
{ file: 'sitemap_sv.html', priority: '0.5' },
{ file: 'sitemap_da.html', priority: '0.4' },
{ file: 'sitemap_no.html', priority: '0.4' },
{ file: 'sitemap_fi.html', priority: '0.4' },
{ file: 'sitemap_de.html', priority: '0.4' },
{ file: 'sitemap_fr.html', priority: '0.4' },
{ file: 'sitemap_es.html', priority: '0.4' },
{ file: 'sitemap_nl.html', priority: '0.4' },
{ file: 'sitemap_ar.html', priority: '0.4' },
{ file: 'sitemap_he.html', priority: '0.4' },
{ file: 'sitemap_ja.html', priority: '0.4' },
{ file: 'sitemap_ko.html', priority: '0.4' },
{ file: 'sitemap_zh.html', priority: '0.4' }
];
sitemapLangPages.forEach(({ file, priority }) => {
const lastmod = getFileModTime(path.join(ROOT_DIR, file));
xml += generateUrlEntry(file, lastmod, 'monthly', priority);
});
// News index pages (canonical is news/ for English, based on <link rel="canonical">)
// Calculate lastmod using all news language files
const newsLangFiles = ['index.html', 'index_sv.html', 'index_da.html', 'index_no.html', 'index_fi.html', 'index_de.html', 'index_fr.html', 'index_es.html', 'index_nl.html', 'index_ar.html', 'index_he.html'];
const newsIndexMtimes = newsLangFiles.map(file => {
try {
return new Date(getFileModTime(path.join(NEWS_DIR, file)));
} catch (e) {
return new Date(0); // File doesn't exist yet
}
});
const newsIndexMaxMtime = new Date(Math.max(...newsIndexMtimes)).toISOString();
// Build alternates for news index pages that actually exist
const newsIndexAlternates = [
{ lang: 'en', href: 'news/' },
{ lang: 'sv', href: 'news/index_sv.html' },
{ lang: 'da', href: 'news/index_da.html' },
{ lang: 'no', href: 'news/index_no.html' },
{ lang: 'fi', href: 'news/index_fi.html' },
{ lang: 'de', href: 'news/index_de.html' },
{ lang: 'fr', href: 'news/index_fr.html' },
{ lang: 'es', href: 'news/index_es.html' },
{ lang: 'nl', href: 'news/index_nl.html' },
{ lang: 'ar', href: 'news/index_ar.html' },
{ lang: 'he', href: 'news/index_he.html' },
{ lang: 'x-default', href: 'news/' }
];
xml += generateUrlEntry('news/', newsIndexMaxMtime, 'daily', '0.9', newsIndexAlternates);
// Add individual entries for each news language page (excluding EN which is canonical news/)
const newsLanguagePages = [
{ file: 'index_sv.html', priority: '0.9' },
{ file: 'index_da.html', priority: '0.7' },
{ file: 'index_no.html', priority: '0.7' },
{ file: 'index_fi.html', priority: '0.7' },
{ file: 'index_de.html', priority: '0.7' },
{ file: 'index_fr.html', priority: '0.7' },
{ file: 'index_es.html', priority: '0.7' },
{ file: 'index_nl.html', priority: '0.7' },
{ file: 'index_ar.html', priority: '0.7' },
{ file: 'index_he.html', priority: '0.7' }
];
newsLanguagePages.forEach(({ file, priority }) => {
try {
const lastmod = getFileModTime(path.join(NEWS_DIR, file));
xml += generateUrlEntry(`news/${file}`, lastmod, 'daily', priority);
} catch (e) {
// File doesn't exist yet, skip
}
});
// News articles
const articles = getNewsArticles();
console.log(` Processing ${articles.length} article groups...`);
articles.forEach(article => {
// Sort languages to ensure 'en' is first for stable x-default
const sortedLanguages = [...article.languages].sort((a, b) => {
if (a === 'en') return -1;
if (b === 'en') return 1;
return a.localeCompare(b);
});
// Build alternates list once for all language entries
const alternates = sortedLanguages.map(altLang => ({
lang: altLang,
href: `news/${article.baseSlug}-${altLang}.html`
}));
// Add x-default pointing to English if available, otherwise first sorted language
alternates.push({
lang: 'x-default',
href: `news/${article.baseSlug}-${sortedLanguages[0]}.html`
});
sortedLanguages.forEach(lang => {
const loc = `news/${article.baseSlug}-${lang}.html`;
xml += generateUrlEntry(loc, article.lastmod, 'monthly', '0.8', alternates);
});
});
// API Documentation (JSDoc generated)
const apiDocs = getApiDocs();
Eif (apiDocs.length > 0) {
console.log(` Processing ${apiDocs.length} API documentation files...`);
apiDocs.forEach(doc => {
const loc = `api/${doc.file}`;
// API docs have lower priority but are useful for developers
const priority = doc.file === 'index.html' ? '0.7' : '0.5';
xml += generateUrlEntry(loc, doc.lastmod, 'weekly', priority);
});
}
xml += `
</urlset>`;
return xml;
}
/**
* Validate sitemap XML
*/
function validateSitemap(xml) {
console.log('✅ Validating sitemap...');
// Basic validation
if (!xml.includes('<?xml version="1.0"')) {
throw new Error('Invalid XML declaration');
}
if (!xml.includes('<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"')) {
throw new Error('Invalid sitemap namespace');
}
// Count URLs
const urlCount = (xml.match(/<url>/g) || []).length;
console.log(` Found ${urlCount} URLs in sitemap`);
if (urlCount === 0) {
throw new Error('No URLs in sitemap');
}
// Check for required tags
if (!xml.includes('<loc>')) {
throw new Error('Missing <loc> tags');
}
console.log(' ✅ Sitemap validation passed');
return true;
}
/**
* Main function
*/
function main() {
try {
console.log('🚀 Starting sitemap generation...\n');
// Generate sitemap
const sitemap = generateSitemap();
// Validate
validateSitemap(sitemap);
// Write to file
fs.writeFileSync(SITEMAP_FILE, sitemap, 'utf8');
console.log(`\n✅ Sitemap written to: ${SITEMAP_FILE}`);
// Show file size
const stats = fs.statSync(SITEMAP_FILE);
console.log(` File size: ${(stats.size / 1024).toFixed(2)} KB`);
return 0;
} catch (error) {
console.error('❌ Error generating sitemap:', error.message);
return 1;
}
}
// Run if called directly
const exitCode = main();
process.exit(exitCode);
export { generateSitemap, validateSitemap };
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