Initial react editor website template

lib/publish-page.ts

@@ -0,0 +1,42 @@
+'use server';
+
+import { writeFile } from 'node:fs/promises';
+import path from 'node:path';
+
+const GLOBALS_FILE = path.join(process.cwd(), 'app.globals.json');
+
+export async function publishPage(pagePath: string, page: unknown) {
+  if (!page || typeof page !== 'object') {
+    return { error: 'Expected a page object.' };
+  }
+
+  const appDir = path.join(process.cwd(), 'app');
+  const file = path.resolve(process.cwd(), pagePath);
+  const relativeToApp = path.relative(appDir, file);
+
+  if (
+    !relativeToApp ||
+    relativeToApp.startsWith(`..${path.sep}`) ||
+    path.isAbsolute(relativeToApp) ||
+    path.basename(file) !== 'page.json'
+  ) {
+    return { error: 'Invalid page file.' };
+  }
+
+  const { globals, ...pageData } = page as Record<string, unknown>;
+
+  try {
+    await writeFile(file, `${JSON.stringify(pageData, null, 2)}\n`, 'utf8');
+    if (globals && typeof globals === 'object') {
+      await writeFile(
+        GLOBALS_FILE,
+        `${JSON.stringify(globals, null, 2)}\n`,
+        'utf8'
+      );
+    }
+    return { file: path.relative(process.cwd(), file) };
+  } catch (error) {
+    console.error(`Failed to write ${file}:`, error);
+    return { error: 'Could not save the page. Run the editor on a writable filesystem.' };
+  }
+}