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// SPDX-License-Identifier: Apache-2.0
/**
* @module Generators/PoliticalIntelligence/HTML
* @description HTML rendering for the political-intelligence landing
* page. Lifted out of the monolithic `political-intelligence.ts` so
* the rendering layer (~400 LOC of card/run templates plus the
* full-page chrome) can be tested in isolation against the curated-
* description and copy modules.
*
* The page is a static HTML document — no client-side hydration. Every
* link points at GitHub blob/tree URLs so readers can audit the raw
* tradecraft behind every published article.
*/
import { BASE_URL, THEME_TOGGLE_SCRIPT } from '../../constants/config.js';
import {
ALL_LANGUAGES,
LANGUAGE_FLAGS,
LANGUAGE_NAMES,
PAGE_TITLES,
SKIP_LINK_TEXTS,
getLocalizedString,
getTextDirection,
} from '../../constants/languages.js';
import { FOOTER_SITEMAP_LABELS } from '../../constants/language-ui.js';
import {
buildSiteFooter,
buildSiteHeader,
buildPageBanner,
} from '../../templates/section-builders.js';
import { escapeHTML } from '../../utils/file-utils.js';
import { blobUrl, treeUrl } from '../../aggregator/infra/github-urls.js';
import type { LanguageCode } from '../../types/index.js';
import {
getCuratedDescription,
getCuratedTitle,
getRunTypeInfo,
getArtifactInfo,
} from '../political-intelligence-descriptions.js';
import { pickDocumentIcon } from './icons.js';
import { getPICopy, type PICopy } from './copy.js';
import type { PIDocument, PIDailyDateGroup, PIDailyRun, PIPageData } from './types.js';
/**
* Build a GitHub blob URL (single file) on the main branch.
*
* Thin alias for the canonical `blobUrl` helper in
* `aggregator/infra/github-urls.ts` so existing call sites in this
* module keep their concise local naming. The argument is the
* repository-relative path (e.g. `analysis/methodologies/foo.md`).
*
* @param relPath - Path relative to the repository root
* @returns Fully-qualified GitHub blob URL
*/
function githubBlobUrl(relPath: string): string {
return blobUrl(relPath);
}
/**
* Build a GitHub tree URL (folder view) on the main branch.
*
* Thin alias for the canonical `treeUrl` helper. Used by the daily-run
* cards to link to the full run directory on GitHub so readers can
* inspect every artifact file in one click.
*
* @param relPath - Path relative to the repository root
* @returns Fully-qualified GitHub tree URL
*/
function githubTreeUrl(relPath: string): string {
return treeUrl(relPath);
}
/**
* Build the localized political-intelligence filename for the given
* language. English is published at the canonical
* `political-intelligence.html`; every other supported locale gets a
* suffixed variant such as `political-intelligence_sv.html`.
*
* @param lang - Language code
* @returns Bare filename (no path prefix)
*/
export function getPoliticalIntelligenceFilename(lang: string): string {
return lang === 'en' ? 'political-intelligence.html' : `political-intelligence_${lang}.html`;
}
/**
* Render a single document card (used for methodologies, templates, references).
*
* The description comes from the curated per-file, per-language table
* ({@link getCuratedDescription}) — not from the Markdown source file —
* so every language page carries a meaningful, hand-written summary.
*
* @param doc - The document to render
* @param lang - Target language code (drives per-language description lookup)
* @param viewOnGitHub - Localized call-to-action label
* @returns HTML string for the card `<li>` element
*/
function renderDocumentCard(doc: PIDocument, lang: LanguageCode, viewOnGitHub: string): string {
const url = githubBlobUrl(doc.relPath);
const title = getCuratedTitle(doc.relPath, lang, doc.title);
const description = getCuratedDescription(doc.relPath, lang, doc.title);
const desc = description ? `<span class="pi-card__desc">${escapeHTML(description)}</span>` : '';
return ` <li class="pi-card">
<a class="pi-card__link" href="${escapeHTML(url)}" rel="noopener external" target="_blank">
<span class="pi-card__icon" aria-hidden="true">${doc.icon}</span>
<span class="pi-card__body">
<span class="pi-card__title">${escapeHTML(title)}</span>
<span class="pi-card__path"><code>${escapeHTML(doc.relPath)}</code></span>
${desc}
<span class="pi-card__cta">${escapeHTML(viewOnGitHub)} <span aria-hidden="true">↗</span></span>
</span>
</a>
</li>`;
}
/**
* Render one daily date group (header + run cards).
*
* Each run card is a flex row that links to the run folder on GitHub; below
* it a collapsed `<details>` lists every individual artifact file with a
* direct blob URL, so readers can deep-link to a single artifact without
* first navigating the folder tree.
*
* @param group - The date group to render
* @param copy - Localized copy for labels inside the group
* @param lang - Target language code propagated to each run card
* @returns HTML string for the `<section>` containing all runs for the date
*/
function renderDailyGroup(group: PIDailyDateGroup, copy: PICopy, lang: LanguageCode): string {
const runsCountText =
group.runs.length === 1
? copy.runsCountLabelSingular
: copy.runsCountLabel.replace('{count}', String(group.runs.length));
const runCards = group.runs.map((run) => renderDailyRun(run, copy, lang)).join('\n');
return ` <section class="pi-date-group" aria-labelledby="date-${escapeHTML(group.date)}">
<h3 id="date-${escapeHTML(group.date)}" class="pi-date-group__heading">
<time datetime="${escapeHTML(group.date)}">${escapeHTML(group.date)}</time>
<span class="pi-date-group__count">${escapeHTML(runsCountText)}</span>
</h3>
<ul class="pi-run-list">
${runCards}
</ul>
</section>`;
}
/**
* Render a single daily-run entry: the run-folder link plus a collapsed
* `<details>` list of every Markdown artifact inside the run, each linking
* to its GitHub blob URL.
*
* Each run card surfaces a localized run-type title (e.g. "Breaking News
* Analysis") and description from {@link getRunTypeInfo}, and each artifact
* row inside the `<details>` is a rich card with:
* - icon from {@link pickDocumentIcon}
* - localized humanized title + description from {@link getArtifactInfo}
* - filename code pill for auditability
*
* @param run - Run descriptor produced by {@link collectDailyGroups}
* @param copy - Localized copy for artifact-count and toggle labels
* @param lang - Target language code for run/artifact titles & descriptions
* @returns HTML string for the `<li>` element
*/
function renderDailyRun(run: PIDailyRun, copy: PICopy, lang: LanguageCode): string {
const url = githubTreeUrl(run.relPath);
const countLabel =
run.artifactCount === 1
? copy.artifactCountLabelSingular
: copy.artifactCountLabel.replace('{count}', String(run.artifactCount));
const toggleLabel =
run.artifactCount === 1
? copy.artifactsToggleLabelSingular
: copy.artifactsToggleLabel.replace('{count}', String(run.artifactCount));
const runInfo = getRunTypeInfo(run.slug, lang);
const runIdBadge = runInfo.runId
? `<span class="pi-run__runid" aria-hidden="true">#${escapeHTML(runInfo.runId)}</span>`
: '';
const runDescHtml = runInfo.description
? `<span class="pi-run__desc">${escapeHTML(runInfo.description)}</span>`
: '';
const artifactCards = run.artifacts
.map((art) => {
const info = getArtifactInfo(art.shortPath, lang);
const base = art.shortPath.split('/').pop() ?? art.shortPath;
// Strip both the final extension (`.md`) and an optional `.analysis`
// compound suffix so `political-landscape.analysis.md` feeds
// `political-landscape` into `pickDocumentIcon()` — matching the
// stem canonicalization done by `getArtifactInfo`.
const stem = base.replace(/\.[^.]+$/, '').replace(/\.analysis$/, '');
const icon = pickDocumentIcon(stem);
const blobUrl = githubBlobUrl(art.relPath);
return ` <li class="pi-artifact">
<a class="pi-artifact__link" href="${escapeHTML(blobUrl)}" rel="noopener external" target="_blank">
<span class="pi-artifact__icon" aria-hidden="true">${icon}</span>
<span class="pi-artifact__body">
<span class="pi-artifact__title">${escapeHTML(info.title)}</span>
<span class="pi-artifact__desc">${escapeHTML(info.description)}</span>
<span class="pi-artifact__path"><code>${escapeHTML(art.shortPath)}</code></span>
</span>
<span class="pi-artifact__cta" aria-hidden="true">↗</span>
</a>
</li>`;
})
.join('\n');
// The artifact <details> is rendered OUTSIDE the top-level <a> so the
// disclosure triangle remains independently keyboard-focusable and the
// run-link click target stays unambiguous.
return ` <li class="pi-run">
<a class="pi-run__link" href="${escapeHTML(url)}" rel="noopener external" target="_blank">
<span class="pi-run__icon" aria-hidden="true">${run.icon}</span>
<span class="pi-run__body">
<span class="pi-run__title">${escapeHTML(runInfo.title)} ${runIdBadge}</span>
${runDescHtml}
<span class="pi-run__meta"><span class="pi-run__slug"><code>${escapeHTML(run.slug)}</code></span> · ${escapeHTML(countLabel)}</span>
</span>
<span class="pi-run__cta" aria-hidden="true">↗</span>
</a>
<details class="pi-run__artifacts">
<summary class="pi-run__artifacts-toggle">${escapeHTML(toggleLabel)}</summary>
<ul class="pi-run__artifacts-list">
${artifactCards}
</ul>
</details>
</li>`;
}
/**
* Generate the HTML document for one language version of the
* political-intelligence page.
*
* @param lang - Language code
* @param data - Page data (see {@link collectPoliticalIntelligenceData})
* @returns Complete HTML document string
*/
export function generatePoliticalIntelligenceHTML(lang: string, data: PIPageData): string {
// Validate lang against the supported language list. Unsupported values
// (including prototype-pollution payloads like `__proto__` or user input)
// fall back to English so curated-title / description lookups always
// receive a known-safe key.
const safeLang: LanguageCode = (ALL_LANGUAGES as readonly string[]).includes(lang)
? (lang as LanguageCode)
: 'en';
const copy = getPICopy(safeLang);
const siteTitle =
getLocalizedString(PAGE_TITLES, safeLang).split(' - ')[0] ?? 'EU Parliament Monitor';
const pageTitle = `${siteTitle} - ${copy.title}`;
const description = copy.intro;
const skipLinkText = getLocalizedString(SKIP_LINK_TEXTS, safeLang);
const dir = getTextDirection(safeLang);
const canonicalUrl = `${BASE_URL}/${getPoliticalIntelligenceFilename(safeLang)}`;
const indexHref = safeLang === 'en' ? 'index.html' : `index-${safeLang}.html`;
const sitemapHref = safeLang === 'en' ? 'sitemap.html' : `sitemap_${safeLang}.html`;
// Cross-language <link rel="alternate"> block
const hreflangLinks = [
...ALL_LANGUAGES.map(
(code) =>
` <link rel="alternate" hreflang="${code}" href="${BASE_URL}/${getPoliticalIntelligenceFilename(code)}">`
),
` <link rel="alternate" hreflang="x-default" href="${BASE_URL}/political-intelligence.html">`,
].join('\n');
// Stats (totals)
const totalRuns = data.dailyGroups.reduce((acc, g) => acc + g.runs.length, 0);
const totalArtifacts = data.dailyGroups.reduce(
(acc, g) => acc + g.runs.reduce((a, r) => a + r.artifactCount, 0),
0
);
// Language switcher (mirrors sitemap layout)
const langSwitcher = ALL_LANGUAGES.map((code) => {
const flag = getLocalizedString(LANGUAGE_FLAGS, code);
const name = getLocalizedString(LANGUAGE_NAMES, code);
const active = code === safeLang ? ' active' : '';
const ariaCurrent = code === safeLang ? ' aria-current="page"' : '';
const href = getPoliticalIntelligenceFilename(code);
return `<a href="${href}" class="lang-link${active}" hreflang="${code}" lang="${code}" title="${escapeHTML(name)}" aria-label="${escapeHTML(name)}"${ariaCurrent}>${flag} ${code.toUpperCase()}</a>`;
}).join('\n ');
const header = buildSiteHeader({
lang: safeLang,
pathPrefix: '',
homeHref: indexHref,
siteTitle,
languageSwitcherHtml: langSwitcher,
});
// Methodologies, templates & reference cards.
// Descriptions are sourced from the curated per-file, per-language table
// ({@link getCuratedDescription}) — every language page renders a
// meaningful, hand-written summary, not scraped Markdown metadata.
const methodologiesList = data.methodologies
.map((d) => renderDocumentCard(d, safeLang, copy.viewOnGitHub))
.join('\n');
const templatesList = data.templates
.map((d) => renderDocumentCard(d, safeLang, copy.viewOnGitHub))
.join('\n');
const referenceList = data.referenceDocs
.map((d) => renderDocumentCard(d, safeLang, copy.viewOnGitHub))
.join('\n');
const dailyBody =
data.dailyGroups.length === 0
? ''
: data.dailyGroups.map((g) => renderDailyGroup(g, copy, safeLang)).join('\n');
// Localized source-in-English note (non-English pages only)
const sourceNote = copy.sourceInEnglishNote
? ` <p class="pi-source-note" role="note">${escapeHTML(copy.sourceInEnglishNote)}</p>`
: '';
// JSON-LD structured data (CollectionPage with BreadcrumbList + publisher)
const publisher = {
'@type': 'Organization',
name: 'Hack23 AB',
url: 'https://hack23.com',
};
const jsonLd = {
'@context': 'https://schema.org',
'@type': 'CollectionPage',
name: copy.title,
url: canonicalUrl,
description: copy.intro,
inLanguage: safeLang,
author: publisher,
publisher,
isPartOf: {
'@type': 'WebSite',
name: 'EU Parliament Monitor',
url: BASE_URL,
publisher,
},
breadcrumb: {
'@type': 'BreadcrumbList',
itemListElement: [
{ '@type': 'ListItem', position: 1, name: copy.home, item: `${BASE_URL}/${indexHref}` },
{ '@type': 'ListItem', position: 2, name: copy.breadcrumbCurrent, item: canonicalUrl },
],
},
mainEntity: {
'@type': 'ItemList',
// numberOfItems must match the number of `itemListElement` entries
// we actually emit (one per top-level page section), not the document
// total — otherwise structured-data validators flag the mismatch.
numberOfItems: 4,
name: copy.title,
itemListElement: [
{
'@type': 'ListItem',
position: 1,
name: copy.methodologiesHeading,
item: `${canonicalUrl}#pi-methodologies`,
},
{
'@type': 'ListItem',
position: 2,
name: copy.templatesHeading,
item: `${canonicalUrl}#pi-templates`,
},
{
'@type': 'ListItem',
position: 3,
name: copy.referenceHeading,
item: `${canonicalUrl}#pi-reference`,
},
{
'@type': 'ListItem',
position: 4,
name: copy.dailyHeading,
item: `${canonicalUrl}#pi-daily`,
},
],
},
};
const jsonLdString = JSON.stringify(jsonLd).replace(/</g, '\\u003c');
return `<!DOCTYPE html>
<html lang="${safeLang}" dir="${dir}">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-Content-Type-Options" content="nosniff">
<meta http-equiv="Content-Language" content="${safeLang}">
<meta name="referrer" content="no-referrer">
<title>${escapeHTML(pageTitle)}</title>
<meta name="description" content="${escapeHTML(description)}">
<meta name="robots" content="index, follow, max-image-preview:large">
<meta name="keywords" content="${escapeHTML(copy.seoKeywords)}">
<meta name="author" content="Hack23 AB">
<meta name="publisher" content="Hack23 AB">
<link rel="canonical" href="${canonicalUrl}">
${hreflangLinks}
<meta property="og:type" content="website">
<meta property="og:title" content="${escapeHTML(copy.title)}">
<meta property="og:description" content="${escapeHTML(description)}">
<meta property="og:url" content="${canonicalUrl}">
<meta property="og:site_name" content="EU Parliament Monitor">
<meta property="og:locale" content="${safeLang}">
<meta property="og:image" content="https://hack23.github.io/euparliamentmonitor/images/og-image.jpg">
<meta property="og:image:alt" content="${escapeHTML(copy.title)} — EU Parliament Monitor">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="${escapeHTML(copy.title)}">
<meta name="twitter:description" content="${escapeHTML(description)}">
<meta name="twitter:image" content="https://hack23.github.io/euparliamentmonitor/images/og-image.jpg">
<meta name="twitter:image:alt" content="${escapeHTML(copy.title)} — EU Parliament Monitor">
<!-- Favicons -->
<link rel="icon" type="image/x-icon" href="favicon.ico">
<link rel="icon" type="image/png" sizes="32x32" href="images/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="images/favicon-16x16.png">
<link rel="apple-touch-icon" sizes="180x180" href="images/apple-touch-icon.png">
<link rel="manifest" href="site.webmanifest">
<meta name="theme-color" content="#003399">
<link rel="stylesheet" href="styles.css">
<script type="application/ld+json">${jsonLdString}</script>
</head>
<body>
<a href="#main" class="skip-link">${escapeHTML(skipLinkText)}</a>
${header}
${buildPageBanner('')}
<main id="main" class="site-main">
<section class="sitemap-hero pi-hero" aria-labelledby="pi-heading">
<h1 id="pi-heading">🧭 ${escapeHTML(copy.title)}</h1>
<p class="sitemap-hero__subtitle">${escapeHTML(copy.heroSubtitle)}</p>
<p class="sitemap-hero__intro">${escapeHTML(copy.intro)}</p>
<dl class="sitemap-stats" aria-label="${escapeHTML(copy.title)}">
<div class="sitemap-stats__item">
<dt>${escapeHTML(copy.statMethodologiesLabel)}</dt>
<dd>${data.methodologies.length}</dd>
</div>
<div class="sitemap-stats__item">
<dt>${escapeHTML(copy.statTemplatesLabel)}</dt>
<dd>${data.templates.length}</dd>
</div>
<div class="sitemap-stats__item">
<dt>${escapeHTML(copy.statReferenceLabel)}</dt>
<dd>${data.referenceDocs.length}</dd>
</div>
<div class="sitemap-stats__item">
<dt>${escapeHTML(copy.statRunsLabel)}</dt>
<dd>${totalRuns}</dd>
</div>
<div class="sitemap-stats__item">
<dt>${escapeHTML(copy.statArtifactsLabel)}</dt>
<dd>${totalArtifacts}</dd>
</div>
</dl>
</section>
<nav class="breadcrumb" aria-label="${escapeHTML(copy.breadcrumbLabel)}">
<ol>
<li><a href="${indexHref}">${escapeHTML(copy.home)}</a></li>
<li><a href="${sitemapHref}">${escapeHTML(getLocalizedString(FOOTER_SITEMAP_LABELS, safeLang))}</a></li>
<li aria-current="page">${escapeHTML(copy.breadcrumbCurrent)}</li>
</ol>
</nav>
${sourceNote}
<section class="sitemap-section pi-section" aria-labelledby="pi-methodologies">
<h2 id="pi-methodologies"><span aria-hidden="true">🧭</span> ${escapeHTML(copy.methodologiesHeading)}</h2>
<p class="section-description">${escapeHTML(copy.methodologiesDescription)}</p>
<ul class="pi-card-grid">
${methodologiesList}
</ul>
</section>
<section class="sitemap-section pi-section" aria-labelledby="pi-templates">
<h2 id="pi-templates"><span aria-hidden="true">📋</span> ${escapeHTML(copy.templatesHeading)}</h2>
<p class="section-description">${escapeHTML(copy.templatesDescription)}</p>
<ul class="pi-card-grid">
${templatesList}
</ul>
</section>
<section class="sitemap-section pi-section" aria-labelledby="pi-reference">
<h2 id="pi-reference"><span aria-hidden="true">📚</span> ${escapeHTML(copy.referenceHeading)}</h2>
<p class="section-description">${escapeHTML(copy.referenceDescription)}</p>
<ul class="pi-card-grid">
${referenceList}
</ul>
</section>
<section class="sitemap-section pi-section" aria-labelledby="pi-daily">
<h2 id="pi-daily"><span aria-hidden="true">📅</span> ${escapeHTML(copy.dailyHeading)}</h2>
<p class="section-description">${escapeHTML(copy.dailyDescription)}</p>
${dailyBody}
</section>
</main>
${buildSiteFooter({ lang: safeLang, pathPrefix: '' })}${THEME_TOGGLE_SCRIPT}
</body>
</html>`;
}
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