/**
* Shared document shell for every rendered page.
*
* A page function returns `{title, description, body}`; `layout()` wraps it in
* the `` document with the right meta, topnav, and footer. The brand mark
* is inlined as SVG so pages do not fetch an image to render a 20-pixel logo.
*/
const BRAND_MARK = ``;
const NAV = [
{ href: '/browse', label: 'Browse' },
{ href: '/submit', label: 'Submit' },
{ href: '/publish', label: 'How publishing works' },
{ href: '/boundaries', label: 'Boundaries' },
];
/**
* Compose a full HTML document from a page.
*
* @param {{title: string, description: string, body: string, here?: string}} page
* @returns {string} the HTML document, ready to send.
*/
export function layout(page) {
const { title, description, body, here = '' } = page;
// The canonical URL is always on prometheus.x — never the IP+port the server
// actually listens on, and never the SEO mirror at apps.silentmode.st, even
// when the mirror is what served this request. Readers who followed a link
// from search land on the mirror; the canonical sends search engines back to
// the real address and keeps the scorecard on prometheus.x.
const canonical = `https://prometheus.x${here}`;
const navHtml = NAV.map(n => {
const classAttr = n.href === here ? ' class="here"' : '';
return `${n.label}`;
}).join('\n ');
return `
${escapeHtml(title)} — Prometheus
${body}
`;
}
/**
* Minimal HTML escape for text that goes into attributes or text nodes.
* Not for anything that must survive as markup; page bodies ship as-is.
*/
export function escapeHtml(s) {
return String(s)
.replaceAll('&', '&')
.replaceAll('<', '<')
.replaceAll('>', '>')
.replaceAll('"', '"')
.replaceAll("'", ''');
}