@runnel/metric-plugin

This library is designed for Runnel. Please visit our documentation and learn more.

Usage

const { register, unregister, subscribe } = createPlugin(deepEqual);
const eventBus = createEventBus({
  deepEqual,
  payloadValidator,
});
register();
...

// Example with React.useState
const [metrics, setMetrics] = useState();
subscribe(setMetrics);

Output Examples

Case 1

• topic1 with schema { "type": "number" }.
• No subscribers.
• One publishing event with payload 100.

{
  "topic1": {
    "onPublishCreated": 1,
    "onPublish": 100,
    "onSubscribeCreated": 0,
    "onSubscribe": null
  }
}

Case 2

• topic2 with schema { "type": "string" }.
• One subscriber.
• No publishing events.

{
  "topic2": {
    "onPublishCreated": 0,
    "onPublish": null,
    "onSubscribeCreated": 1,
    "onSubscribe": null
  }
}