determine prerenderability based on config, not state

Author: Rich-Harris

packages/kit/src/core/build/build_server.js

@@ -71,7 +71,10 @@ export class Server {
 			method_override: ${s(config.kit.methodOverride)},
 			paths: { base, assets },
 			prefix: assets + '/${config.kit.appDir}/',
-			prerender: ${config.kit.prerender.enabled},
+			prerender: {
+				default: ${config.kit.prerender.default},
+				enabled: ${config.kit.prerender.enabled}
+			},
 			read,
 			root,
 			service_worker: ${has_service_worker ? "base + '/service-worker.js'" : 'null'},

packages/kit/src/core/dev/plugin.js

@@ -320,7 +320,10 @@ export async function create_plugin(config, cwd) {
 									assets
 								},
 								prefix: '',
-								prerender: config.kit.prerender.enabled,
+								prerender: {
+									default: config.kit.prerender.default,
+									enabled: config.kit.prerender.enabled
+								},
 								read: (file) => fs.readFileSync(path.join(config.kit.files.assets, file)),
 								root,
 								router: config.kit.browser.router,

packages/kit/src/runtime/server/page/load_node.js

@@ -52,7 +52,7 @@ export async function load_node({
 	/** @type {import('types').LoadOutput} */
 	let loaded;
 
-	const should_prerender = node.module.prerender ?? state?.prerender?.default ?? false;
+	const should_prerender = node.module.prerender ?? options.prerender.default;
 
 	/** @type {import('types').ShadowData} */
 	const shadow = is_leaf

packages/kit/types/internal.d.ts

@@ -255,7 +255,10 @@ export interface SSROptions {
 		assets: string;
 	};
 	prefix: string;
-	prerender: boolean;
+	prerender: {
+		default: boolean;
+		enabled: boolean;
+	};
 	read(file: string): Buffer;
 	root: SSRComponent['default'];
 	router: boolean;