Initial commit

templates/stream-text-chat.ts

@@ -0,0 +1,39 @@
+// Streaming chat with messages
+// AI SDK Core - streamText() with chat messages
+
+import { streamText } from 'ai';
+import { anthropic } from '@ai-sdk/anthropic';
+
+async function main() {
+  const stream = streamText({
+    model: anthropic('claude-sonnet-4-5'),
+    messages: [
+      {
+        role: 'system',
+        content: 'You are a helpful assistant that writes concise responses.',
+      },
+      {
+        role: 'user',
+        content: 'Tell me a short story about AI and humanity working together.',
+      },
+    ],
+    maxOutputTokens: 500,
+  });
+
+  console.log('Streaming response:');
+  console.log('---');
+
+  // Stream text chunks to console
+  for await (const chunk of stream.textStream) {
+    process.stdout.write(chunk);
+  }
+
+  console.log('\n---');
+
+  // Get final result with metadata
+  const result = await stream.result;
+  console.log('\nTokens used:', result.usage.totalTokens);
+  console.log('Finish reason:', result.finishReason);
+}
+
+main().catch(console.error);