overlay

svelte.config.js

@@ -45,12 +45,26 @@ const config = {
 				];
 				const localized = locales.flatMap((locale) => shared.map((p) => `/${locale}${p}`));
 
+				// Every per-location route, not just the week page: an unprerendered
+				// path is served by the SPA fallback, which the host answers with a
+				// 404 status. The page still works, but it costs a bogus 404 on every
+				// hard reload (and tells crawlers the page does not exist).
+				const cityRoutes = [
+					'/weather/week',
+					'/weather/compare',
+					'/weather/14-day',
+					'/weather/seasonal',
+					'/weather/historical'
+				];
+
 				try {
 					const citiesPath = path.resolve('src/routes/weather/locations/city-names100.json');
 					const raw = fs.readFileSync(citiesPath, 'utf-8');
 					const cities = JSON.parse(raw);
 					if (Array.isArray(cities)) {
-						const cityEntries = cities.map((c) => `/en/weather/week/${c}`);
+						const cityEntries = cities.flatMap((c) =>
+							cityRoutes.map((route) => `/en${route}/${c}`)
+						);
 						// Keep the default wildcard to include other routes
 						return ['*', ...localized, ...cityEntries];
 					}