refactor: add SubNav layout and per-subsite nav placeholders; switch Base to use SubNav

src/utils/subsites.js

@@ -0,0 +1,62 @@
+import { SUBSITES, WHITELABELS } from '../config.js';
+
+// Returns normalized host (no port)
+function normalizeHost(host = '') {
+  if (!host) return '';
+  return host.split(':')[0].toLowerCase();
+}
+
+const HOSTS = Object.keys(SUBSITES || {});
+
+export function getSubsiteByHost(rawHost = '') {
+  const host = normalizeHost(rawHost || '');
+  if (!host) return null;
+  if (SUBSITES[host]) return { host, path: SUBSITES[host], short: host.split('.')[0] };
+  // fallback: if short-name match
+  const short = host.split('.')[0];
+  const hostKey = HOSTS.find(h => h.split('.')[0] === short);
+  if (hostKey) return { host: hostKey, path: SUBSITES[hostKey], short };
+  return null;
+}
+
+export function getSubsiteFromSignal(signal = '') {
+  if (!signal) return null;
+  // signal can be 'req' or 'req.boatson.boats'
+  const val = signal.split(':')[0].split('?')[0];
+  const short = val.split('.')[0];
+  // direct host match
+  if (SUBSITES[val]) return { host: val, path: SUBSITES[val], short };
+  // short name match
+  const hostKey = HOSTS.find(h => h.split('.')[0] === short);
+  if (hostKey) return { host: hostKey, path: SUBSITES[hostKey], short };
+  return null;
+}
+
+export function getSubsiteByPath(path = '') {
+  if (!path) return null;
+  // check if path starts with one of the SUBSITES values
+  const candidate = Object.entries(SUBSITES || {}).find(([, p]) => path.startsWith(p));
+  if (!candidate) return null;
+  const [hostKey, p] = candidate;
+  return { host: hostKey, path: p, short: hostKey.split('.')[0] };
+}
+
+export function isSubsiteHost(rawHost = '', shortName = '') {
+  const h = getSubsiteByHost(rawHost);
+  if (!h) return false;
+  if (!shortName) return true;
+  return h.short === shortName || h.host === shortName;
+}
+
+export function getWhitelabelForHost(rawHost = '') {
+  const info = getSubsiteByHost(rawHost);
+  if (!info) return null;
+  return WHITELABELS[info.host] ?? null;
+}
+
+export default {
+  getSubsiteByHost,
+  getSubsiteFromSignal,
+  isSubsiteHost,
+  getWhitelabelForHost,
+};