[OPIK-933] [Typescript SDK] Add integration for Vercel AI SDK

[ferc]

Details

• Created OpikExporter to create with the OpenTelemetry Node SDK the telemetry instrument for attaching to the Vercel AI SDK
• Improve bundling system (opik and opik/vercel)

Documentation

• Added more examples + improved README file

.env:

OPIK_API_KEY="your-api-key"
OPIK_HOST="https://www.comet.com/opik/api"
OPIK_PROJECT_NAME="your-project-name"
OPIK_WORKSPACE_NAME="your-workspace-name"
OPENAI_API_KEY="your-openai-key"

Install:

npm install opik ai @ai-sdk/openai @opentelemetry/sdk-node @opentelemetry/auto-instrumentations-node

Code snippet:

import { openai } from "@ai-sdk/openai";
import { getNodeAutoInstrumentations } from "@opentelemetry/auto-instrumentations-node";
import { NodeSDK } from "@opentelemetry/sdk-node";
import { generateText } from "ai";
import { OpikExporter } from "opik/vercel";

const sdk = new NodeSDK({
  traceExporter: new OpikExporter(),
  instrumentations: [getNodeAutoInstrumentations()],
});

sdk.start();

const { text } = await generateText({
  model: openai("gpt-4o-mini"),
  prompt: "What is love? Describe it in 10 words or less.",
  experimental_telemetry: OpikExporter.getSettings({
    name: "ai-sdk-integration",
  }),
});

await sdk.shutdown();

[aadereiko]

Great work!