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* @module Infrastructure/Scripts/StaticPagesSeoHead
* @category Intelligence Operations / Supporting Infrastructure
* @name Static-page SEO `<head>` enhancer (politician-dashboard, dashboard, home)
*
* @description
* The static landing pages (`index{,_$LANG}.html`, `dashboard/index{,_$LANG}.html`,
* `politician-dashboard{,_$LANG}.html`) are authored by hand: their
* `<title>` and `<meta name="description">` are already translated, but
* lower-signal SEO surface is identical across every language. Before
* this module landed:
*
* - All 14 `politician-dashboard_<lang>.html` files shared one
* English-only `<meta name="keywords">` list (`politician analytics,
* MP productivity, career trajectory, …`). That violates
* `.github/prompts/seo-metadata-contract.md` §4 (per-language SERP
* signal).
* - `politician-dashboard*.html` had no Twitter Card meta and no
* JSON-LD blob — search engines and Twitter cards saw only the
* minimum Open Graph block, which collapses 14 hreflang siblings to
* near-identical previews.
* - Neither `dashboard/index*.html` nor `index*.html` declared
* `og:locale:alternate[]` for cross-language Open Graph discovery.
*
* This module is the **pure** core that fixes those gaps. Wire-up is in
* `scripts/normalize-static-html-chrome.ts` (post-prebuild pass) — that
* keeps every regex transform and filesystem call in the script and
* leaves this module unit-testable without spinning up a temp tree.
*
* The module exports four building blocks (each pure, each testable):
*
* - {@link buildStaticPageKeywords} — localized 7-token keyword string
* per `family × lang` (42 native sets — 3 families × 14 languages).
* - {@link buildStaticPageOgLocaleBlock} — `og:locale` +
* `og:locale:alternate[]` for the other 13 siblings.
* - {@link buildStaticPageTwitterCardBlock} — Twitter Card meta block
* parametrised by the page's title / description.
* - {@link buildStaticPageJsonLd} — `WebSite` + `WebPage` (with
* Speakable for the `<h1>`) JSON-LD blob.
*
* The orchestrator {@link enhanceStaticPageHead} composes them and
* returns the rewritten HTML.
*
* @author Hack23 AB (Infrastructure Team)
* @license Apache-2.0
*/
import type { Language } from './types/language.js';
/**
* Supported static-page families. The shape mirrors the `PageFamily`
* union in `normalize-static-html-chrome.ts` so the same value flows
* through both modules without a re-encoding step.
*/
export type StaticPageFamily = 'home' | 'dashboard' | 'politician';
/**
* BCP-47 / hreflang codes per `Language`. Mirrors `LANGUAGE_META[lang].hreflang`
* from `sitemap-html/i18n.ts` (Norwegian uses `nb` per repo convention)
* but duplicated locally so this module stays I/O-free and importable
* from any test fixture.
*/
const HREFLANG: Readonly<Record<Language, string>> = {
en: 'en', sv: 'sv', da: 'da', no: 'nb', fi: 'fi', de: 'de',
fr: 'fr', es: 'es', nl: 'nl', ar: 'ar', he: 'he', ja: 'ja',
ko: 'ko', zh: 'zh',
};
/**
* OG-locale codes per `Language`. Open Graph requires the
* `language_TERRITORY` form (e.g. `en_US`, `sv_SE`) — we pick the
* canonical territory for each supported tongue. Re-uses the same table
* format `index.html` already ships.
*/
const OG_LOCALE: Readonly<Record<Language, string>> = {
en: 'en_US', sv: 'sv_SE', da: 'da_DK', no: 'nb_NO', fi: 'fi_FI',
de: 'de_DE', fr: 'fr_FR', es: 'es_ES', nl: 'nl_NL', ar: 'ar_SA',
he: 'he_IL', ja: 'ja_JP', ko: 'ko_KR', zh: 'zh_CN',
};
const ALL_LANGS: readonly Language[] = [
'en', 'sv', 'da', 'no', 'fi', 'de', 'fr', 'es', 'nl',
'ar', 'he', 'ja', 'ko', 'zh',
];
/**
* Native 7-token keyword strings per `family × language`.
*
* **Editorial rule** (per `seo-metadata-contract.md` §4): every entry is
* in the target language; the platform brand `Riksdagsmonitor` and the
* international acronym `OSINT` stay verbatim (they are proper nouns).
*
* **Format**: comma-separated string ready to drop into
* `<meta name="keywords">`. Token count is held at 7 across all sets so
* SERP signal stays uniform.
*/
const KEYWORDS: Readonly<Record<StaticPageFamily, Readonly<Record<Language, string>>>> = {
home: {
en: 'Swedish parliament intelligence, Riksdagsmonitor, political transparency, parliamentary data, Sweden election 2026, OSINT politics, open democracy',
sv: 'svensk parlamentsunderrättelse, Riksdagsmonitor, politisk transparens, parlamentsdata, val 2026 Sverige, OSINT politik, öppen demokrati',
da: 'svensk parlamentsefterretning, Riksdagsmonitor, politisk gennemsigtighed, parlamentsdata, valg 2026 Sverige, OSINT politik, åben demokrati',
no: 'svensk parlamentsetterretning, Riksdagsmonitor, politisk åpenhet, parlamentsdata, valg 2026 Sverige, OSINT politikk, åpent demokrati',
fi: 'Ruotsin parlamenttitiedustelu, Riksdagsmonitor, poliittinen läpinäkyvyys, parlamenttidata, vaalit 2026 Ruotsi, OSINT-politiikka, avoin demokratia',
de: 'schwedische Parlamentsaufklärung, Riksdagsmonitor, politische Transparenz, Parlamentsdaten, Schweden-Wahl 2026, OSINT-Politik, offene Demokratie',
fr: 'renseignement parlementaire suédois, Riksdagsmonitor, transparence politique, données parlementaires, élections 2026 Suède, politique OSINT, démocratie ouverte',
es: 'inteligencia parlamentaria sueca, Riksdagsmonitor, transparencia política, datos parlamentarios, elecciones 2026 Suecia, política OSINT, democracia abierta',
nl: 'Zweedse parlementaire inlichtingen, Riksdagsmonitor, politieke transparantie, parlementaire data, verkiezingen 2026 Zweden, OSINT-politiek, open democratie',
ar: 'استخبارات برلمانية سويدية, Riksdagsmonitor, شفافية سياسية, بيانات برلمانية, انتخابات 2026 السويد, سياسة OSINT, ديمقراطية مفتوحة',
he: 'מודיעין פרלמנטרי שוודי, Riksdagsmonitor, שקיפות פוליטית, נתוני פרלמנט, בחירות 2026 שוודיה, פוליטיקת OSINT, דמוקרטיה פתוחה',
ja: 'スウェーデン議会インテリジェンス, Riksdagsmonitor, 政治的透明性, 議会データ, 2026年スウェーデン選挙, OSINT政治, 開かれた民主主義',
ko: '스웨덴 의회 정보, Riksdagsmonitor, 정치적 투명성, 의회 데이터, 2026 스웨덴 선거, OSINT 정치, 열린 민주주의',
zh: '瑞典议会情报, Riksdagsmonitor, 政治透明度, 议会数据, 2026年瑞典选举, OSINT政治, 开放民主',
},
dashboard: {
en: 'parliamentary dashboard, political analytics, voting patterns, party performance, MP rankings, election predictions, Swedish parliament',
sv: 'parlamentariskt instrumentpanel, politisk analys, röstningsmönster, partiprestation, riksdagsledamotsrankning, valprognoser, Sveriges riksdag',
da: 'parlamentarisk dashboard, politisk analyse, afstemningsmønstre, partiprestation, MP-rangering, valgforudsigelser, Sveriges rigsdag',
no: 'parlamentarisk dashbord, politisk analyse, stemmemønstre, partiprestasjon, MP-rangering, valgprognoser, Sveriges riksdag',
fi: 'parlamenttinen kojelauta, poliittinen analyysi, äänestyskuviot, puoluesuoritus, kansanedustajien sijoitukset, vaaliennusteet, Ruotsin valtiopäivät',
de: 'parlamentarisches Dashboard, politische Analyse, Abstimmungsmuster, Parteileistung, Abgeordnetenranking, Wahlprognosen, schwedisches Parlament',
fr: 'tableau de bord parlementaire, analyse politique, schémas de vote, performance des partis, classements des députés, prévisions électorales, parlement suédois',
es: 'tablero parlamentario, análisis político, patrones de voto, rendimiento de partidos, clasificaciones de diputados, predicciones electorales, parlamento sueco',
nl: 'parlementair dashboard, politieke analyse, stempatronen, partijprestaties, parlementsledenranglijst, verkiezingsvoorspellingen, Zweeds parlement',
ar: 'لوحة معلومات برلمانية, تحليل سياسي, أنماط التصويت, أداء الأحزاب, تصنيفات النواب, توقعات الانتخابات, البرلمان السويدي',
he: 'לוח מחוונים פרלמנטרי, ניתוח פוליטי, דפוסי הצבעה, ביצועי מפלגות, דירוגי חברי פרלמנט, תחזיות בחירות, פרלמנט שוודי',
ja: '議会ダッシュボード, 政治分析, 投票パターン, 政党パフォーマンス, 議員ランキング, 選挙予測, スウェーデン議会',
ko: '의회 대시보드, 정치 분석, 투표 패턴, 정당 성과, 의원 순위, 선거 예측, 스웨덴 의회',
zh: '议会仪表板, 政治分析, 投票模式, 政党表现, 议员排名, 选举预测, 瑞典议会',
},
politician: {
en: 'politician analytics, MP productivity, career trajectory, riksdag politicians, Swedish parliament, legislative output, committee activity',
sv: 'politikeranalys, riksdagsledamots produktivitet, karriärbana, riksdagspolitiker, Sveriges riksdag, lagstiftningsproduktion, utskottsaktivitet',
da: 'politikeranalyse, MP-produktivitet, karriereforløb, rigsdagspolitikere, Sveriges rigsdag, lovgivningsproduktion, udvalgsaktivitet',
no: 'politikeranalyse, stortingsrepresentanters produktivitet, karrierebane, riksdagspolitikere, Sveriges riksdag, lovgivningsproduksjon, komitéaktivitet',
fi: 'poliitikkoanalyysi, kansanedustajan tuottavuus, urapolku, valtiopäiväpoliitikot, Ruotsin valtiopäivät, lainsäädäntötuotos, valiokuntatoiminta',
de: 'Politikeranalyse, Abgeordnetenproduktivität, Karriereverlauf, Reichstagspolitiker, schwedisches Parlament, Gesetzgebungsleistung, Ausschussaktivität',
fr: 'analyse des politiciens, productivité des députés, trajectoire de carrière, politiciens du Riksdag, parlement suédois, production législative, activité des commissions',
es: 'analítica de políticos, productividad de diputados, trayectoria profesional, políticos del Riksdag, parlamento sueco, producción legislativa, actividad de comisiones',
nl: 'politicusanalyse, productiviteit van parlementsleden, carrièretraject, Riksdag-politici, Zweeds parlement, wetgevingsproductie, commissieactiviteit',
ar: 'تحليلات السياسيين, إنتاجية النواب, المسار المهني, سياسيو الريكسداغ, البرلمان السويدي, الإنتاج التشريعي, نشاط اللجان',
he: 'אנליטיקה של פוליטיקאים, פרודוקטיביות חברי פרלמנט, מסלול קריירה, פוליטיקאי ריקסדאג, פרלמנט שוודי, תפוקה חקיקתית, פעילות ועדות',
ja: '政治家分析, 議員の生産性, キャリア軌道, リクスダーグの政治家, スウェーデン議会, 立法生産, 委員会活動',
ko: '정치인 분석, 의원 생산성, 경력 궤적, 릭스다그 정치인, 스웨덴 의회, 입법 산출, 위원회 활동',
zh: '政治家分析, 议员生产力, 职业轨迹, 瑞典国会议员, 瑞典议会, 立法产出, 委员会活动',
},
};
/**
* Build the localized `<meta name="keywords">` content for a static page.
* Pure — returns the comma-separated string, not the full `<meta>` tag,
* so callers can decide how to splice it into the existing `<head>`.
*
* **The string is always 7 tokens**; the brand `Riksdagsmonitor` and the
* acronym `OSINT` stay in Latin script across all 14 languages because
* they are proper nouns.
*/
export function buildStaticPageKeywords(family: StaticPageFamily, lang: Language): string {
return KEYWORDS[family][lang];
}
/**
* Build the `og:locale` + `og:locale:alternate[]` block (newline-joined
* `<meta>` tags). Open Graph requires the `og:locale` for the page
* itself and one `og:locale:alternate` for every other supported
* language — defining the alternates lets Facebook / LinkedIn pick the
* best-fit locale at preview time.
*
* Pure — no template literal interpolation beyond the static OG-locale
* map, so the output is deterministic across runs.
*/
export function buildStaticPageOgLocaleBlock(lang: Language): string {
const lines: string[] = [];
lines.push(`<meta property="og:locale" content="${OG_LOCALE[lang]}">`);
for (const other of ALL_LANGS) {
if (other === lang) continue;
lines.push(`<meta property="og:locale:alternate" content="${OG_LOCALE[other]}">`);
}
return lines.join('\n');
}
/**
* Build the Twitter Card meta block (parametrised by title / description /
* canonical URL). Returns a newline-joined string of `<meta>` tags.
*
* Twitter inherits the Open Graph `og:image` when no dedicated
* `twitter:image` is set, but we still emit the dedicated meta tags so
* the card preview is identical regardless of crawler.
*/
export function buildStaticPageTwitterCardBlock(input: {
readonly title: string;
readonly description: string;
readonly canonicalUrl: string;
readonly imageUrl: string;
}): string {
const { title, description, imageUrl } = input;
const escapedTitle = escapeHtmlAttribute(title);
const escapedDescription = escapeHtmlAttribute(description);
const escapedImage = escapeHtmlAttribute(imageUrl);
return [
`<meta name="twitter:card" content="summary_large_image">`,
`<meta name="twitter:title" content="${escapedTitle}">`,
`<meta name="twitter:description" content="${escapedDescription}">`,
`<meta name="twitter:image" content="${escapedImage}">`,
`<meta name="twitter:image:alt" content="${escapedTitle}">`,
`<meta name="twitter:site" content="@riksdagsmonitor">`,
`<meta name="twitter:creator" content="@jamessorling">`,
`<meta name="twitter:domain" content="riksdagsmonitor.com">`,
].join('\n');
}
/**
* Build the JSON-LD blob (`WebSite` + `WebPage` with Speakable) for a
* static page. The Speakable spec lets voice assistants read the page
* `<h1>` — important for political-intelligence pages where the
* headline carries the analytical lede.
*
* Pure — returns the `<script type="application/ld+json">…</script>`
* wrapper as a string so callers can splice it before `</head>`.
*/
export function buildStaticPageJsonLd(input: {
readonly title: string;
readonly description: string;
readonly canonicalUrl: string;
readonly lang: Language;
readonly family: StaticPageFamily;
}): string {
const { title, description, canonicalUrl, lang, family } = input;
const inLanguage = HREFLANG[lang];
const homeHref = lang === 'en'
? 'https://riksdagsmonitor.com/'
: `https://riksdagsmonitor.com/index_${lang}.html`;
const homeLabel = breadcrumbLabel('home', lang);
const pageLabel = breadcrumbLabel(family, lang);
// The `inLanguage` field carries the BCP-47 / hreflang code; the
// `Speakable` cssSelector points at the first `<h1>` on every static
// page (every family ships one). The `BreadcrumbList` node is added
// for every family (single-item for `home`, two-item for the rest)
// so Google rich-results and AI assistants can surface the page
// location inside the site hierarchy.
const breadcrumbItems: ReadonlyArray<{
'@type': 'ListItem';
position: number;
name: string;
item: string;
}> = family === 'home'
? [{ '@type': 'ListItem', position: 1, name: homeLabel, item: homeHref }]
: [
{ '@type': 'ListItem', position: 1, name: homeLabel, item: homeHref },
{ '@type': 'ListItem', position: 2, name: pageLabel, item: canonicalUrl },
];
const jsonLd = {
'@context': 'https://schema.org',
'@graph': [
{
'@type': 'WebSite',
'@id': 'https://riksdagsmonitor.com/#website',
'name': 'Riksdagsmonitor',
'url': 'https://riksdagsmonitor.com/',
'inLanguage': inLanguage,
'publisher': { '@id': 'https://riksdagsmonitor.com/#organization' },
},
{
'@type': 'Organization',
'@id': 'https://riksdagsmonitor.com/#organization',
'name': 'Hack23 AB',
'url': 'https://www.hack23.com',
'logo': 'https://riksdagsmonitor.com/icon-192.png',
},
{
'@type': 'BreadcrumbList',
'@id': `${canonicalUrl}#breadcrumb`,
'itemListElement': breadcrumbItems,
},
{
'@type': 'WebPage',
'@id': `${canonicalUrl}#webpage`,
'url': canonicalUrl,
'name': title,
'description': description,
'inLanguage': inLanguage,
'isPartOf': { '@id': 'https://riksdagsmonitor.com/#website' },
'breadcrumb': { '@id': `${canonicalUrl}#breadcrumb` },
'about': {
'@type': 'Thing',
'name': pageAbout(family, lang),
},
'speakable': {
'@type': 'SpeakableSpecification',
'cssSelector': ['h1'],
},
},
],
};
return `<script type="application/ld+json">\n${JSON.stringify(jsonLd, null, 2)}\n</script>`;
}
/**
* Localised `BreadcrumbList` item label per `family × language`. Mirrors
* the human-readable header links shipped on the same pages so a screen
* reader hearing the breadcrumb hears the same phrase it sees in the
* navigation bar.
*/
function breadcrumbLabel(family: StaticPageFamily, lang: Language): string {
const BREADCRUMB_LABELS: Readonly<Record<StaticPageFamily, Readonly<Record<Language, string>>>> = {
home: {
en: 'Home', sv: 'Hem', da: 'Hjem', no: 'Hjem', fi: 'Etusivu',
de: 'Startseite', fr: 'Accueil', es: 'Inicio', nl: 'Home',
ar: 'الرئيسية', he: 'דף הבית', ja: 'ホーム', ko: '홈', zh: '首页',
},
dashboard: {
en: 'Dashboard', sv: 'Instrumentpanel', da: 'Dashboard',
no: 'Dashbord', fi: 'Kojelauta', de: 'Dashboard',
fr: 'Tableau de bord', es: 'Tablero', nl: 'Dashboard',
ar: 'لوحة المعلومات', he: 'לוח מחוונים', ja: 'ダッシュボード',
ko: '대시보드', zh: '仪表板',
},
politician: {
en: 'Politician Dashboard', sv: 'Politikerpanel',
da: 'Politikerpanel', no: 'Politikerpanel',
fi: 'Poliitikkopaneeli', de: 'Politiker-Dashboard',
fr: 'Tableau des politiciens', es: 'Tablero de políticos',
nl: 'Politici-dashboard',
ar: 'لوحة السياسيين', he: 'לוח פוליטיקאים',
ja: '政治家ダッシュボード', ko: '정치인 대시보드',
zh: '政治家仪表板',
},
};
return BREADCRUMB_LABELS[family][lang];
}
/**
* Human-readable `about` label per `family × lang` for the WebPage
* JSON-LD node. Pre-localised so search engines surface the right
* topic in their Knowledge Graph snippet.
*/
function pageAbout(family: StaticPageFamily, lang: Language): string {
const PAGE_ABOUT: Readonly<Record<StaticPageFamily, Readonly<Record<Language, string>>>> = {
home: {
en: 'Swedish Parliament political intelligence',
sv: 'Politisk underrättelse om Sveriges riksdag',
da: 'Politisk efterretning om Sveriges rigsdag',
no: 'Politisk etterretning om Sveriges riksdag',
fi: 'Ruotsin valtiopäivien poliittinen tiedustelu',
de: 'Politische Aufklärung des schwedischen Parlaments',
fr: 'Renseignement politique du parlement suédois',
es: 'Inteligencia política del parlamento sueco',
nl: 'Politieke inlichtingen over het Zweedse parlement',
ar: 'استخبارات سياسية للبرلمان السويدي',
he: 'מודיעין פוליטי של הפרלמנט השוודי',
ja: 'スウェーデン議会の政治インテリジェンス',
ko: '스웨덴 의회 정치 정보',
zh: '瑞典议会政治情报',
},
dashboard: {
en: 'Parliamentary analytics dashboard',
sv: 'Parlamentariskt analyspanel',
da: 'Parlamentarisk analysepanel',
no: 'Parlamentarisk analysepanel',
fi: 'Parlamenttinen analytiikkapaneeli',
de: 'Parlamentarisches Analyse-Dashboard',
fr: 'Tableau de bord d’analyse parlementaire',
es: 'Tablero de análisis parlamentario',
nl: 'Parlementair analyse-dashboard',
ar: 'لوحة تحليلات برلمانية',
he: 'לוח אנליטיקה פרלמנטרי',
ja: '議会分析ダッシュボード',
ko: '의회 분석 대시보드',
zh: '议会分析仪表板',
},
politician: {
en: 'Politician career and productivity analytics',
sv: 'Politikers karriär- och produktivitetsanalys',
da: 'Politikers karriere- og produktivitetsanalyse',
no: 'Politikers karriere- og produktivitetsanalyse',
fi: 'Poliitikkojen ura- ja tuottavuusanalyysi',
de: 'Politikerkarriere- und Produktivitätsanalyse',
fr: 'Analyse de la carrière et de la productivité des politiciens',
es: 'Análisis de carrera y productividad de políticos',
nl: 'Carrière- en productiviteitsanalyse van politici',
ar: 'تحليل المسار المهني وإنتاجية السياسيين',
he: 'ניתוח קריירה ופרודוקטיביות של פוליטיקאים',
ja: '政治家のキャリアと生産性分析',
ko: '정치인 경력 및 생산성 분석',
zh: '政治家职业生涯与生产力分析',
},
};
return PAGE_ABOUT[family][lang];
}
/**
* HTML attribute escaper used inside the building blocks above. Mirrors
* the strictest subset used by `render-lib/chrome/head.ts` so the output
* passes HTMLHint without surprises (`&`, `"`, `<`, `>`, `'`).
*/
function escapeHtmlAttribute(text: string): string {
return text
.replace(/&/g, '&')
.replace(/"/g, '"')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/'/g, ''');
}
/**
* Orchestrator — rewrites the `<head>` of a static page so it ships:
*
* 1. A localized 7-token `<meta name="keywords">` (replacing the EN
* leak that was identical across all 14 hreflang siblings).
* 2. An `og:locale` + `og:locale:alternate[]` block (replacing any
* single hard-coded `<meta property="og:locale" content="en_US">`).
* 3. A Twitter Card block (added if missing — `politician-dashboard*.html`
* had none before this module landed).
* 4. A JSON-LD `WebSite` + `WebPage` + Speakable blob (added if missing).
*
* The function is **idempotent** — running it twice yields the same
* output as running it once. This is required because
* `normalize-static-html-chrome.ts` runs in the prebuild pipeline and
* may execute multiple times during dev / CI re-renders.
*
* **Title and description are preserved verbatim** — they are
* hand-authored per language in the source HTML, and this module is
* deliberately non-destructive on those fields. The Twitter Card and
* JSON-LD merely *reference* them.
*/
export function enhanceStaticPageHead(input: {
readonly html: string;
readonly lang: Language;
readonly family: StaticPageFamily;
}): string {
const { html, lang, family } = input;
// Skip rewrite for pages that do not have a parseable <head>.
Iif (!/<head\b[^>]*>[\s\S]*?<\/head>/i.test(html)) return html;
// Extract the page-level `<title>` and `<meta name="description">` so
// the Twitter Card / JSON-LD references the already-translated values.
const titleMatch = html.match(/<title>([\s\S]*?)<\/title>/i);
const descriptionMatch = html.match(/<meta\s+name=["']description["']\s+content=["']([^"']*)["']/i);
const canonicalMatch = html.match(/<link\s+rel=["']canonical["']\s+href=["']([^"']*)["']/i);
const ogImageMatch = html.match(/<meta\s+property=["']og:image["']\s+content=["']([^"']*)["']/i);
const title = (titleMatch?.[1] ?? '').trim();
const description = (descriptionMatch?.[1] ?? '').trim();
const canonicalUrl = (canonicalMatch?.[1] ?? '').trim();
const imageUrl = (ogImageMatch?.[1] ?? 'https://riksdagsmonitor.com/images/og-image.webp').trim();
let next = html;
// ── (1) Replace `<meta name="keywords">` ─────────────────────────────
const localizedKeywords = buildStaticPageKeywords(family, lang);
const keywordsTag = `<meta name="keywords" content="${escapeHtmlAttribute(localizedKeywords)}">`;
if (/<meta\s+name=["']keywords["'][^>]*>/i.test(next)) {
next = next.replace(/<meta\s+name=["']keywords["'][^>]*>/i, keywordsTag);
} else Eif (/<\/head>/i.test(next)) {
next = next.replace(/<\/head>/i, `${keywordsTag}\n</head>`);
}
// ── (2) Replace `<meta property="og:locale" ...>` (single tag form) ─
// The hand-authored pages ship at most one `og:locale` meta tag. We
// remove every existing `og:locale` / `og:locale:alternate` tag and
// inject the freshly-built block in a deterministic location.
const ogLocaleBlock = buildStaticPageOgLocaleBlock(lang);
next = next.replace(/\s*<meta\s+property=["']og:locale(?::alternate)?["'][^>]*>/gi, '');
// Insert after the first `og:url` tag if present, else before `</head>`.
if (/<meta\s+property=["']og:url["'][^>]*>/i.test(next)) {
next = next.replace(/(<meta\s+property=["']og:url["'][^>]*>)/i, `$1\n${ogLocaleBlock}`);
} else Eif (/<\/head>/i.test(next)) {
next = next.replace(/<\/head>/i, `${ogLocaleBlock}\n</head>`);
}
// ── (3) Twitter Card — add if missing (idempotent) ──────────────────
if (!/<meta\s+name=["']twitter:card["']/i.test(next)) {
const twitterBlock = buildStaticPageTwitterCardBlock({
title,
description,
canonicalUrl,
imageUrl,
});
Eif (/<\/head>/i.test(next)) {
next = next.replace(/<\/head>/i, `${twitterBlock}\n</head>`);
}
}
// ── (4) JSON-LD WebSite + WebPage + BreadcrumbList + Speakable ────
// Idempotency contract:
//
// • If the document already contains `"@type": "BreadcrumbList"`
// anywhere (our current contract OR a hand-authored block — e.g.
// `index.html`, `political-intelligence_*.html`,
// `dashboards/*.html` all ship their own BreadcrumbList nodes),
// we leave structured data untouched.
//
// • Otherwise, if the canonical WebSite `@id` is present, the page
// was enhanced by a previous version of this script that didn't
// emit BreadcrumbList. We strip that legacy block and re-inject
// the current contract so older committed pages get upgraded
// in-place on the next normalize pass.
//
// • If neither marker is present, we inject for the first time.
//
// Multiple `<script type="application/ld+json">` blocks per page are
// explicitly supported by Schema.org / Google Search, so we only
// augment — never remove — hand-authored JSON-LD that ships its own
// BreadcrumbList.
const hasBreadcrumb = /"@type":\s*"BreadcrumbList"/.test(next);
if (!hasBreadcrumb) {
const legacyMarker = '"@id": "https://riksdagsmonitor.com/#website"';
Iif (next.includes(legacyMarker)) {
// Strip our legacy block (WebSite + Organization + WebPage,
// no BreadcrumbList). We only enter this branch when no
// BreadcrumbList exists in the document, so this regex is safe.
next = next.replace(
/<script type="application\/ld\+json">\s*\{[\s\S]*?"@id":\s*"https:\/\/riksdagsmonitor\.com\/#website"[\s\S]*?<\/script>\s*/,
'',
);
}
const jsonLdBlock = buildStaticPageJsonLd({
title,
description,
canonicalUrl,
lang,
family,
});
Eif (/<\/head>/i.test(next)) {
next = next.replace(/<\/head>/i, `${jsonLdBlock}\n</head>`);
}
}
return next;
}
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