updated stuff

packages/next/build.mjs

@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+// ── @originmain/next build script ────────────────────────────────────────────
+// Produces ESM + CJS bundles and TypeScript declarations under dist/:
+//
+//   dist/index.js   — ESM bundle for next.config.mjs / next.config.ts
+//   dist/index.cjs  — CJS bundle for next.config.js (legacy require())
+//   dist/index.d.ts — TypeScript declarations for withOriginmain()
+//
+// Run: node build.mjs  (or via "pnpm build")
+
+import { build }                     from 'esbuild';
+import { execFileSync }              from 'node:child_process';
+import { createRequire }             from 'node:module';
+
+const req = createRequire(import.meta.url);
+// Resolve the tsc binary explicitly — avoids relying on PATH.
+const tscBin = req.resolve('typescript/bin/tsc');
+
+const SHARED = {
+  entryPoints: ['src/index.ts'],
+  bundle:      true,
+  platform:    'node',
+  target:      ['node18'],
+  // 'next' is a peer dep — leave it external so users' own copy is used.
+  external:    ['next'],
+  logLevel:    'info',
+};
+
+// ── ESM bundle ────────────────────────────────────────────────────────────────
+await build({
+  ...SHARED,
+  format:  'esm',
+  outfile: 'dist/index.js',
+});
+
+// ── CJS bundle ────────────────────────────────────────────────────────────────
+// Required for projects where next.config.js uses module.exports = ...
+await build({
+  ...SHARED,
+  format:  'cjs',
+  outfile: 'dist/index.cjs',
+});
+
+// ── TypeScript declarations ───────────────────────────────────────────────────
+// withOriginmain() is a typed export — consumers need the .d.ts so their IDE
+// and type-checker know the function's signature.
+execFileSync(process.execPath, [tscBin, '--project', 'tsconfig.build.json'], {
+  stdio: 'inherit',
+});
+
+console.log('  ✓ dist/index.js   (ESM)');
+console.log('  ✓ dist/index.cjs  (CJS)');
+console.log('  ✓ dist/index.d.ts (types)');