fix: add package.json with type module for SSR compatibility in Netli…

adapters/adapter-netlify/src/index.ts

@@ -123,6 +123,26 @@ export async function writeNetlifyConfig(
     await cp(staticOutDir, path.join(appRoot, "dist", "client"), { recursive: true });
   }
 
+  // Real bug found from an actual live Netlify deploy of a `renderMode:
+  // "ssr"` app (never surfaced by `marketing`, the only app verified live
+  // before now — it's `"ssg"`, so its homepage is served as a static file
+  // and never invokes the function at all): `bundleForDeploy` below writes
+  // `dist/server/routes/**/*.js` (and api/**) with `format: "esm"`, but
+  // nothing in `funcDir` ever declared `"type": "module"` in a package.json.
+  // `ssr.mjs` itself still loaded fine (Netlify invokes it directly, and a
+  // `.mjs` extension is always ESM to Node regardless of package.json) —
+  // the crash only happens the moment `prodRequestHandler.ts`'s
+  // `importBuilt()` dynamically `import()`s a plain `.js` route file at
+  // *request* time, which is exactly why this was invisible to a build
+  // that "succeeds" and a function that "deploys": `SyntaxError: Cannot use
+  // import statement outside a module` on the first real request to any
+  // ssr route. Node resolves a `.js` file's module type from the nearest
+  // package.json — with none present under `funcDir`, it defaults to
+  // CommonJS. This one file fixes every file under `funcDir`, not just
+  // `dist/server` — Node's lookup walks up from wherever the loaded file
+  // actually is.
+  await writeFile(path.join(funcDir, "package.json"), JSON.stringify({ type: "module" }));
+
   await writeFile(
     path.join(funcDir, "ssr.mjs"),
     `import { createProdRequestHandler } from "@devorajs/core";\n` +

adapters/adapter-vercel/src/index.ts

@@ -131,6 +131,22 @@ export async function writeVercelOutput(
     await cp(staticOutDir, path.join(funcDir, "dist", "static"), { recursive: true });
   }
 
+  // Real bug — same root cause as adapter-netlify's identical fix (see that
+  // file's copy of this comment for the full account, found via a live
+  // Netlify deploy): `bundleForDeploy` writes `dist/server/**/*.js` with
+  // `format: "esm"`, but nothing in `funcDir` ever declared `"type":
+  // "module"`. `index.mjs` itself loads fine regardless (Vercel's
+  // `nodejs20.x` runtime invokes it directly, and `.mjs` is always ESM to
+  // Node), but `prodRequestHandler.ts`'s `importBuilt()` dynamically
+  // `import()`s a plain `.js` route file at request time — with no
+  // package.json to say otherwise, Node defaults that to CommonJS and
+  // throws `SyntaxError: Cannot use import statement outside a module` on
+  // the first real request to any `ssr`/`isr`/`csr` route. Never verified
+  // live on Vercel for those render modes, only `ssg` (never invokes the
+  // function for its homepage) — so this was equally live-broken here,
+  // just not yet hit.
+  await writeFile(path.join(funcDir, "package.json"), JSON.stringify({ type: "module" }));
+
   await writeFile(
     path.join(funcDir, "index.mjs"),
     `import { createProdRequestHandler } from "@devorajs/core";\n\n` +

packages/cli/dist/index.js

@@ -4794,6 +4794,7 @@ async function writeVercelOutput(app, appRoot, authMode, security, sitemapEnable
     await cp2(staticOutDir, path16.join(outputDir, "static"), { recursive: true });
     await cp2(staticOutDir, path16.join(funcDir, "dist", "static"), { recursive: true });
   }
+  await writeFile3(path16.join(funcDir, "package.json"), JSON.stringify({ type: "module" }));
   await writeFile3(
     path16.join(funcDir, "index.mjs"),
     `import { createProdRequestHandler } from "@devorajs/core";
@@ -4943,6 +4944,7 @@ async function writeNetlifyConfig(app, appRoot, authMode, security, sitemapEnabl
     await cp3(staticOutDir, path19.join(funcDir, "dist", "static"), { recursive: true });
     await cp3(staticOutDir, path19.join(appRoot, "dist", "client"), { recursive: true });
   }
+  await writeFile4(path19.join(funcDir, "package.json"), JSON.stringify({ type: "module" }));
   await writeFile4(
     path19.join(funcDir, "ssr.mjs"),
     `import { createProdRequestHandler } from "@devorajs/core";