Use separate DO per-user in validator example

Author: ghostwriternr

examples/typescript-validator/src/types.ts

@@ -13,7 +13,6 @@ export interface ValidateResponse {
   sessionId: string;
   compiled: boolean;
   timings: {
-    install?: number;
     bundle?: number;
     load: number;
     execute: number;

examples/typescript-validator/worker/compiler.ts

@@ -1,5 +1,10 @@
 import { getSandbox } from '@cloudflare/sandbox';
-import type { ValidateRequest, ValidateResponse, ErrorResponse } from './types';
+import type {
+  ValidateRequest,
+  ValidateResponse,
+  ErrorResponse,
+  ZodParseResult
+} from './types';
 
 /**
  * Compiler Durable Object
@@ -216,11 +221,7 @@ export class CompilerDO implements DurableObject {
       });
 
       const response = await worker.getEntrypoint().fetch(testRequest);
-      const result = (await response.json()) as {
-        success: boolean;
-        data?: unknown;
-        error?: { issues: unknown[] };
-      };
+      const result = (await response.json()) as ZodParseResult;
 
       timings.execute = Date.now() - executeStart;
 

examples/typescript-validator/worker/index.ts

@@ -9,7 +9,16 @@ export default {
 
     // Route API requests to Compiler DO
     if (url.pathname === '/validate') {
-      const id = env.Compiler.idFromName('singleton');
+      // Use session ID from header to isolate per user
+      const sessionId = request.headers.get('X-Session-ID');
+      if (!sessionId) {
+        return Response.json(
+          { error: 'Missing X-Session-ID header' },
+          { status: 400 }
+        );
+      }
+
+      const id = env.Compiler.idFromName(sessionId);
       const stub = env.Compiler.get(id);
       return stub.fetch(request);
     }

examples/typescript-validator/worker/types.ts

@@ -33,3 +33,14 @@ export interface ErrorResponse {
   error: string;
   details?: string;
 }
+
+/**
+ * Result from Zod schema validation
+ */
+export interface ZodParseResult {
+  success: boolean;
+  data?: unknown;
+  error?: {
+    issues: unknown[];
+  };
+}