release: WRNexusJS 0.8.0

packages/dev-server/src/prod.ts

@@ -5,7 +5,8 @@
  * `wrnexus build` generates an entry that statically imports every route and
  * component module and hands them here as a manifest. We rebuild the (cheap)
  * route-matching tables from the raw patterns and run the exact same request
- * runtime as dev — just with production error pages and no live-reload client.
+ * runtime as dev. Normal preview/deploy output has no live-reload client; the
+ * supervised `dev --production-runtime` mode can explicitly enable it.
  */
 
 import type { Middleware, Mode, SecurityConfig, SeoConfig } from "@wrnexus/core";
@@ -16,7 +17,12 @@ import {
   type Route,
   type Router,
 } from "@wrnexus/router";
-import { getReactiveRuntime, getNavRuntime, getRealtimeRuntime } from "@wrnexus/csr";
+import {
+  getActionRuntime,
+  getReactiveRuntime,
+  getNavRuntime,
+  getRealtimeRuntime,
+} from "@wrnexus/csr";
 import {
   loadEnv,
   resolveProfile,
@@ -43,6 +49,7 @@ import { realtimeBusFromConfig } from "./realtime-bus.ts";
 import { createHandlers, type AssetServer, type WsData } from "./runtime.ts";
 import { servePublicAsset } from "./public.ts";
 import type { ClientRuntimeDefinition } from "@wrnexus/plugin";
+import { HmrHub } from "./hmr.ts";
 
 type RouteModule = Record<string, unknown>;
 
@@ -51,6 +58,8 @@ export interface ManifestRoute {
   raw: string;
   /** The statically-imported route module. */
   mod: RouteModule;
+  /** Body shell precomputed by `wrnexus build` for a partial-static page. */
+  staticShell?: string;
 }
 
 export interface ProdManifest {
@@ -139,6 +148,8 @@ export interface ProdOptions {
   port?: number;
   hostname?: string;
   maxBodyBytes?: number;
+  /** Enable only for the CLI's supervised exact-production development mode. */
+  developmentRuntime?: boolean;
 }
 
 const MODE: Mode = "production";
@@ -181,7 +192,10 @@ function buildProdRouter(manifest: ProdManifest): {
     const routes = entries.map((e): Route => {
       const { regex, paramNames } = compileRoutePattern(e.raw);
       // Use the raw pattern as a stable module key.
-      modules.set(e.raw, e.mod);
+      modules.set(
+        e.raw,
+        e.staticShell === undefined ? e.mod : { ...e.mod, __wrnexusStaticShell: e.staticShell },
+      );
       return { raw: e.raw, file: e.raw, regex, paramNames };
     });
     return sortRoutes(routes);
@@ -236,6 +250,8 @@ function createProdAssetServer(opts: ProdOptions): AssetServer {
         return new Response(getNavRuntime(), { headers: JS_HEADERS });
       if (pathname === "/__wrnexus/realtime.js")
         return new Response(getRealtimeRuntime(), { headers: JS_HEADERS });
+      if (pathname === "/__wrnexus/actions.js")
+        return new Response(getActionRuntime(), { headers: JS_HEADERS });
       if (pathname === "/__wrnexus/validate.js")
         return new Response(VALIDATE_RUNTIME, { headers: JS_HEADERS });
       if (pathname === "/__wrnexus/i18n.js")
@@ -308,9 +324,11 @@ export function createProductionHandlers(
     return mod;
   };
 
+  const productionHmr = opts.developmentRuntime === true;
   const handlers = createHandlers({
     mode: MODE,
-    hmr: false,
+    hmr: productionHmr,
+    hub: productionHmr ? new HmrHub() : undefined,
     router,
     loadModule,
     getMiddleware,