Quickstart

Authentication tokens are rotated silently in the background; your code never handles credentials directly.

Error handling is explicit: catch failures at any stage, log them, and route bad events to a dead-letter queue without stopping the main pipeline.

await stream.ack(event.id); const pipeline = stream.filter(e => e.amount > 100).map(e => ( ...e, fee: e.amount * 0.03 )).on('error', (err) => logger.error(err));

The core relaydb object is a lightweight wrapper that manages the lifecycle of your event stream.

Quickstart

Rate limiting is built in: configure token buckets, sliding windows, or adaptive limits that respond to backpressure.

const throttled = stream.throttle( rps: 100, burst: 200 ); const deduplicated = stream.dedup( key: 'event.id', window: 60000 );

Error handling is explicit: catch failures at any stage, log them, and route bad events to a dead-letter queue without stopping the main pipeline.