nicer examples for chat streaming

examples/chat_no_streaming.js

@@ -9,6 +9,4 @@ const chatResponse = await client.chat({
   messages: [{role: 'user', content: 'What is the best French cheese?'}],
 });
 
-console.log('Chat:', chatResponse);
-
-console.log('Chat:', chatResponse.choices[0].message);
+console.log('Chat:', chatResponse.choices[0].message.content);

examples/chat_with_streaming.js

@@ -5,10 +5,14 @@ const apiKey = process.env.MISTRAL_API_KEY;
 const client = new MistralClient(apiKey);
 
 const chatStreamResponse = await client.chatStream({
-  model: 'mistral-medium',
+  model: 'mistral-tiny',
   messages: [{role: 'user', content: 'What is the best French cheese?'}],
 });
 
+console.log('Chat Stream:');
 for await (const chunk of chatStreamResponse) {
-  console.log('Chat Stream:', JSON.stringify(chunk));
+  if (chunk.choices[0].delta.content !== undefined) {
+    const streamText = chunk.choices[0].delta.content;
+    process.stdout.write(streamText);
+  }
 }

src/client.js

@@ -163,7 +163,6 @@ class MistralClient {
       true,
       safeMode,
     );
-    console.log(request);
     const response = await this._request(
       'post', 'v1/chat/completions', request,
     );