Initial hacky proof of concept

packages/adapter-cloudflare/index.js

@@ -25,7 +25,16 @@ export default function () {
 
 			const dest_dir = `${dest}${builder.config.kit.paths.base}`;
 			const written_files = builder.writeClient(dest_dir);
-			builder.writePrerendered(dest_dir);
+
+			const prerendered_files = builder.writePrerendered(`${dest_dir}`)
+				.map((file) => file === 'index.html' ? file : `${file.replace(/\.[^/.]+$/, "")}`);
+
+			writeFileSync(`${dest_dir}/_redirects`, prerendered_files
+				.filter((file) => file !== 'index.html')
+				.map((file) => {
+					return `/${file} /${file}/index.html 200`;
+				})
+				.join('\n'));
 
 			const relativePath = posix.relative(tmp, builder.getServerDirectory());
 
@@ -41,7 +50,7 @@ export default function () {
 
 			writeFileSync(
 				`${dest}/_routes.json`,
-				JSON.stringify(get_routes_json(builder.config.kit.appDir, written_files))
+				JSON.stringify(get_routes_json(builder.config.kit.appDir, [...written_files, ...prerendered_files]))
 			);
 
 			writeFileSync(`${dest}/_headers`, generate_headers(builder.config.kit.appDir));
@@ -77,8 +86,8 @@ function get_routes_json(app_dir, assets) {
 		version: 1,
 		description: 'Generated by @sveltejs/adapter-cloudflare',
 		include: ['/*'],
-		exclude: [
-			`/${app_dir}/immutable/*`,
+		exclude: [...new Set([
+			`/${ app_dir }/immutable/*`,
 			...assets
 				// We're being conservative by not excluding all assets in
 				// /static just yet. If there are any upstream auth rules to
@@ -88,9 +97,11 @@ function get_routes_json(app_dir, assets) {
 				// We do want to show an example of a _routes.json that
 				// excludes more than just /_app/immutable/*, and favicons
 				// are a reasonable choice
-				.filter((file) => file.startsWith('favicon'))
-				.map((file) => `/${file}`)
-		]
+				// .filter((file) => file.startsWith('favicon'))
+				.filter((file) => !file.startsWith('_app'))
+				.map((file) => `/${file.split('/')[ 0 ]}`)
+				.filter((file) => file !== '/_app/*')
+		])]
 	};
 }