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// SPDX-License-Identifier: Apache-2.0
/**
* @module Utils/FixArticles
* @description FALLBACK TOOL ā Retroactively adds missing language switcher, article-top-nav
* (back button), site-header, skip-link, reading-progress bar, and site-footer to existing
* news articles.
*
* The primary mechanism for including these elements is the article template
* (`generateArticleHTML` in `src/templates/article-template.ts`), which already produces
* all required structural elements. This script is a last-resort recovery tool for
* patching legacy articles generated before the template was complete.
*
* Usage: npx tsx src/utils/fix-articles.ts [--dry-run]
*/
import fs from 'node:fs';
import path from 'node:path';
import { NEWS_DIR, ARTICLE_FILENAME_PATTERN } from '../constants/config.js';
import {
ALL_LANGUAGES,
LANGUAGE_FLAGS,
LANGUAGE_NAMES,
BACK_TO_NEWS_LABELS,
ARTICLE_NAV_LABELS,
SKIP_LINK_TEXTS,
getLocalizedString,
} from '../constants/languages.js';
import { escapeHTML } from './file-utils.js';
/** CSS class selector for the language switcher nav element */
const LANG_SWITCHER_CLASS = 'class="language-switcher"';
/** CSS class selector for the article top navigation element */
const ARTICLE_TOP_NAV_CLASS = 'class="article-top-nav"';
/** CSS class selector for the site header element */
const SITE_HEADER_CLASS = 'class="site-header"';
/** CSS class selector for the reading progress bar element */
const READING_PROGRESS_CLASS = 'class="reading-progress"';
/** CSS class selector for the site footer element */
const SITE_FOOTER_CLASS = 'class="site-footer"';
/** Context for article injection */
interface InjectionContext {
/** Article date (YYYY-MM-DD) */
date: string;
/** Article URL slug */
slug: string;
/** Language code */
lang: string;
/** Link to the language-specific index page */
indexHref: string;
/** Localized skip link text */
skipLinkText: string;
}
/** Result of an injection attempt */
interface InjectionResult {
/** Updated HTML */
html: string;
/** Description of what was changed */
change: string;
}
/**
* Build the language switcher nav HTML for an article.
*
* @param date - Article date (YYYY-MM-DD)
* @param slug - Article URL slug
* @param currentLang - Active language code
* @returns HTML string for the language switcher
*/
function buildLangSwitcher(date: string, slug: string, currentLang: string): string {
return ALL_LANGUAGES.map((code) => {
const flag = getLocalizedString(LANGUAGE_FLAGS, code);
const name = getLocalizedString(LANGUAGE_NAMES, code);
const active = code === currentLang ? ' active' : '';
const href = `${date}-${slug}-${code}.html`;
const safeTitle = escapeHTML(name);
return `<a href="${href}" class="lang-link${active}" hreflang="${code}" lang="${code}" title="${safeTitle}">${flag} ${code.toUpperCase()}</a>`;
}).join('\n ');
}
/**
* Build the site header HTML.
*
* @param indexHref - Link to the language-specific index page
* @returns HTML string for the site header
*/
function buildSiteHeader(indexHref: string): string {
return `<header class="site-header" role="banner">
<div class="site-header__inner">
<a href="${indexHref}" class="site-header__brand" aria-label="EU Parliament Monitor">
<span class="site-header__flag" aria-hidden="true">šŖšŗ</span>
<span>
<span class="site-header__title">EU Parliament Monitor</span>
<span class="site-header__subtitle">European Parliament Intelligence</span>
</span>
</a>
</div>
</header>`;
}
/**
* Build the article-top-nav HTML with a localized back button.
*
* @param indexHref - Link to the language-specific index page
* @param lang - Language code for localized labels
* @returns HTML string for the article top navigation
*/
function buildArticleTopNav(indexHref: string, lang: string): string {
const backLabel = getLocalizedString(BACK_TO_NEWS_LABELS, lang);
const articleNavLabel = escapeHTML(getLocalizedString(ARTICLE_NAV_LABELS, lang));
return `<nav class="article-top-nav" aria-label="${articleNavLabel}">
<a href="${indexHref}" class="back-to-news">${backLabel}</a>
</nav>`;
}
/**
* Build the language grid for the article footer.
*
* @param currentLang - Active language code
* @returns HTML string for the language grid
*/
function buildFooterLanguageGrid(currentLang: string): string {
return ALL_LANGUAGES.map((code) => {
const flag = getLocalizedString(LANGUAGE_FLAGS, code);
const safeName = escapeHTML(getLocalizedString(LANGUAGE_NAMES, code));
const href = code === 'en' ? '../index.html' : `../index-${code}.html`;
const active = code === currentLang ? ' class="active"' : '';
return `<a href="${href}"${active} hreflang="${code}">${flag} ${safeName}</a>`;
}).join('\n ');
}
/**
* Build the site footer HTML.
*
* @param lang - Language code for the language grid active state
* @returns HTML string for the site footer
*/
function buildSiteFooter(lang: string): string {
const year = new Date().getFullYear();
return `<footer class="site-footer" role="contentinfo">
<div class="footer-content">
<div class="footer-section">
<h3>About EU Parliament Monitor</h3>
<p>European Parliament Intelligence Platform ā monitoring political activity with systematic transparency. Powered by European Parliament open data.</p>
</div>
<div class="footer-section">
<h3>Quick Links</h3>
<ul>
<li><a href="../index.html">Home</a></li>
<li><a href="https://github.com/Hack23/euparliamentmonitor">GitHub Repository</a></li>
<li><a href="https://github.com/Hack23/euparliamentmonitor/blob/main/LICENSE">Apache-2.0 License</a></li>
<li><a href="https://www.europarl.europa.eu/">European Parliament</a></li>
</ul>
</div>
<div class="footer-section">
<h3>Built by Hack23 AB</h3>
<ul>
<li><a href="https://hack23.com">hack23.com</a></li>
<li><a href="https://www.linkedin.com/company/hack23">LinkedIn</a></li>
<li><a href="https://github.com/Hack23/ISMS-PUBLIC">Security & Privacy Policy</a></li>
<li><a href="mailto:james@hack23.com">Contact</a></li>
</ul>
</div>
<div class="footer-section">
<h3>Languages</h3>
<div class="language-grid">
${buildFooterLanguageGrid(lang)}
</div>
</div>
</div>
<div class="footer-bottom">
<p>© 2008-${year} <a href="https://hack23.com">Hack23 AB</a> (Org.nr 5595347807) | Gothenburg, Sweden</p>
</div>
</footer>`;
}
/**
* Inject full structural elements for articles with no site-header (Type A).
*
* @param html - Current article HTML
* @param ctx - Injection context
* @returns Updated HTML and change description, or null if not applicable
*/
function injectTypeA(html: string, ctx: InjectionContext): InjectionResult | null {
const bodyArticlePattern = /(<body>)\s*\n(\s*<article\s)/;
Iif (!bodyArticlePattern.test(html)) {
return null;
}
const injectedBlock = `$1
<div class="reading-progress" aria-hidden="true"></div>
<a href="#main" class="skip-link">${ctx.skipLinkText}</a>
${buildSiteHeader(ctx.indexHref)}
<nav class="language-switcher" role="navigation" aria-label="Language selection">
${buildLangSwitcher(ctx.date, ctx.slug, ctx.lang)}
</nav>
${buildArticleTopNav(ctx.indexHref, ctx.lang)}
<main id="main" class="site-main">
$2`;
let result = html.replace(bodyArticlePattern, injectedBlock);
// Close </main> before </body>
result = result.replace(/(<\/article>)\s*\n(<\/body>)/, '$1\n </main>\n$2');
Iif (!result.includes('</main>')) {
result = result.replace('</body>', ' </main>\n</body>');
}
return {
html: result,
change:
'Added reading-progress, skip-link, site-header, language-switcher, article-top-nav, main wrapper',
};
}
/**
* Inject language switcher and top nav for articles with site-header but missing both (Type B).
*
* @param html - Current article HTML
* @param ctx - Injection context
* @returns Updated HTML and change description, or null if not applicable
*/
function injectTypeB(html: string, ctx: InjectionContext): InjectionResult | null {
const headerMainPattern = /(<\/header>)\s*\n(\s*<main\s)/;
Iif (!headerMainPattern.test(html)) {
return null;
}
const injectedBlock = `$1
<nav class="language-switcher" role="navigation" aria-label="Language selection">
${buildLangSwitcher(ctx.date, ctx.slug, ctx.lang)}
</nav>
${buildArticleTopNav(ctx.indexHref, ctx.lang)}
$2`;
return {
html: html.replace(headerMainPattern, injectedBlock),
change: 'Added language-switcher and article-top-nav',
};
}
/**
* Inject article-top-nav for articles that already have language-switcher (Type C).
*
* @param html - Current article HTML
* @param ctx - Injection context
* @returns Updated HTML and change description, or null if not applicable
*/
function injectTypeC(html: string, ctx: InjectionContext): InjectionResult | null {
Iif (html.includes(ARTICLE_TOP_NAV_CLASS)) {
return null;
}
const langSwitcherMainPattern = /(<\/nav>)\s*\n(\s*<main\s)/;
Iif (!langSwitcherMainPattern.test(html)) {
return null;
}
const injectedBlock = `$1
${buildArticleTopNav(ctx.indexHref, ctx.lang)}
$2`;
return {
html: html.replace(langSwitcherMainPattern, injectedBlock),
change: 'Added article-top-nav',
};
}
/**
* Inject reading-progress bar if missing.
*
* @param html - Current article HTML
* @returns Updated HTML and change description, or null if already present
*/
function injectReadingProgress(html: string): InjectionResult | null {
if (html.includes(READING_PROGRESS_CLASS)) {
return null;
}
const pattern = /(<body>)\s*\n(\s*<a href="#main")/;
if (!pattern.test(html)) {
return null;
}
return {
html: html.replace(
pattern,
'$1\n <div class="reading-progress" aria-hidden="true"></div>\n$2'
),
change: 'Added reading-progress',
};
}
/**
* Inject site-footer if missing. Inserts before </body>.
*
* @param html - Current article HTML
* @param lang - Language code for the footer language grid
* @returns Updated HTML and change description, or null if already present
*/
function injectSiteFooter(html: string, lang: string): InjectionResult | null {
Iif (html.includes(SITE_FOOTER_CLASS)) {
return null;
}
const pattern = /(\s*)<\/body>/;
Iif (!pattern.test(html)) {
return null;
}
return {
html: html.replace(pattern, `\n\n ${buildSiteFooter(lang)}\n</body>`),
change: 'Added site-footer',
};
}
/**
* Apply an injection result if present.
*
* @param current - Current HTML content
* @param injector - Function returning an injection result or null
* @param changes - Array to append change descriptions to
* @returns Updated HTML content
*/
function applyInjection(
current: string,
injector: () => InjectionResult | null,
changes: string[]
): string {
const result = injector();
if (result) {
changes.push(result.change);
return result.html;
}
return current;
}
/**
* Fix a single article file by injecting missing structural elements.
*
* @param filepath - Absolute path to article HTML file
* @param dryRun - If true, only report what would change
* @returns Object with changed flag and description
*/
export function fixArticle(
filepath: string,
dryRun: boolean = false
): { changed: boolean; description: string } {
const filename = path.basename(filepath);
const match = filename.match(ARTICLE_FILENAME_PATTERN);
if (!match) {
return { changed: false, description: `Skipped (not matching pattern): ${filename}` };
}
const date = match[1] as string;
const slug = match[2] as string;
const lang = match[3] as string;
const indexHref = lang === 'en' ? '../index.html' : `../index-${lang}.html`;
const skipLinkText = getLocalizedString(SKIP_LINK_TEXTS, lang);
const ctx: InjectionContext = { date, slug, lang, indexHref, skipLinkText };
let html = fs.readFileSync(filepath, 'utf-8');
if (
html.includes(LANG_SWITCHER_CLASS) &&
html.includes(ARTICLE_TOP_NAV_CLASS) &&
html.includes(SITE_FOOTER_CLASS)
) {
return { changed: false, description: `Already complete: ${filename}` };
}
const changes: string[] = [];
const hasSiteHeader = html.includes(SITE_HEADER_CLASS);
const hasLangSwitcher = html.includes(LANG_SWITCHER_CLASS);
const hasTopNav = html.includes(ARTICLE_TOP_NAV_CLASS);
// Type A: Missing everything
if (!hasSiteHeader && !hasLangSwitcher && !hasTopNav) {
html = applyInjection(html, () => injectTypeA(html, ctx), changes);
}
// Type B: Has site-header but no language-switcher or top-nav
else if (hasSiteHeader && !hasLangSwitcher && !hasTopNav) {
html = applyInjection(html, () => injectTypeB(html, ctx), changes);
}
// Type C: Has language-switcher but no article-top-nav
else if (hasLangSwitcher && !hasTopNav) {
html = applyInjection(html, () => injectTypeC(html, ctx), changes);
}
// Add reading-progress if missing (for types B and C)
Eif (html.includes(SITE_HEADER_CLASS)) {
html = applyInjection(html, () => injectReadingProgress(html), changes);
}
// Add site-footer if missing
html = applyInjection(html, () => injectSiteFooter(html, lang), changes);
Iif (changes.length === 0) {
return { changed: false, description: `No changes needed: ${filename}` };
}
if (!dryRun) {
fs.writeFileSync(filepath, html, 'utf-8');
}
return { changed: true, description: `Fixed ${filename}: ${changes.join(', ')}` };
}
/**
* Fix all articles in the news directory.
*
* @param dryRun - If true, only report what would change
* @returns Summary of changes
*/
export function fixAllArticles(dryRun: boolean = false): {
total: number;
fixed: number;
skipped: number;
results: Array<{ changed: boolean; description: string }>;
} {
const files = fs.readdirSync(NEWS_DIR).filter((f) => f.endsWith('.html'));
const results: Array<{ changed: boolean; description: string }> = [];
for (const file of files) {
const filepath = path.join(NEWS_DIR, file);
const result = fixArticle(filepath, dryRun);
results.push(result);
}
const fixed = results.filter((r) => r.changed).length;
const skipped = results.filter((r) => !r.changed).length;
return { total: files.length, fixed, skipped, results };
}
// CLI entry point
Iif (process.argv[1] && path.resolve(process.argv[1]) === path.resolve(import.meta.filename ?? '')) {
const dryRun = process.argv.includes('--dry-run');
console.log(`š§ Fix Articles ${dryRun ? '(DRY RUN)' : ''}`);
console.log(`š Scanning: ${NEWS_DIR}\n`);
const summary = fixAllArticles(dryRun);
for (const result of summary.results) {
if (result.changed) {
console.log(` ā
${result.description}`);
}
}
console.log(
`\nš Summary: ${summary.fixed} fixed, ${summary.skipped} skipped, ${summary.total} total`
);
if (dryRun) {
console.log('\nā ļø Dry run ā no files were modified. Remove --dry-run to apply changes.');
}
}
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