Initial commit

templates/stream-object-zod.ts

@@ -0,0 +1,52 @@
+// Streaming structured output with partial updates
+// AI SDK Core - streamObject() with Zod
+
+import { streamObject } from 'ai';
+import { google } from '@ai-sdk/google';
+import { z } from 'zod';
+
+// Define schema for RPG characters
+const CharacterSchema = z.object({
+  characters: z.array(
+    z.object({
+      name: z.string(),
+      class: z.enum(['warrior', 'mage', 'rogue', 'cleric']),
+      level: z.number(),
+      stats: z.object({
+        hp: z.number(),
+        mana: z.number(),
+        strength: z.number(),
+        intelligence: z.number(),
+      }),
+      inventory: z.array(z.string()),
+    })
+  ),
+});
+
+async function main() {
+  const stream = streamObject({
+    model: google('gemini-2.5-pro'),
+    schema: CharacterSchema,
+    prompt: 'Generate 3 diverse RPG characters with complete stats and starting inventory.',
+  });
+
+  console.log('Streaming structured object (partial updates):');
+  console.log('---\n');
+
+  // Stream partial object updates
+  for await (const partialObject of stream.partialObjectStream) {
+    console.clear(); // Clear console for visual effect
+    console.log('Current partial object:');
+    console.log(JSON.stringify(partialObject, null, 2));
+  }
+
+  // Get final complete object
+  const result = await stream.result;
+
+  console.log('\n---');
+  console.log('Final complete object:');
+  console.log(JSON.stringify(result.object, null, 2));
+  console.log('\nCharacter count:', result.object.characters.length);
+}
+
+main().catch(console.error);