The power of streams in node js
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The document discusses various types of streams in Node.js, including readable, writable, duplex, and transform streams, emphasizing their role in data processing and management. It highlights concepts such as composability, event emitters, and backpressure in stream handling, along with practical examples like using Gulp for task management and reactive programming with RXJS. Additionally, it mentions use cases such as log aggregation and event handling.
The power of streams in node js
- 1. The Power of Streams in Node JS Jawahar ThoughtWorks www.jawahar.tech
- 3. Streams are collection of data - but not available all at once. List / Array Streams
- 8. Composability Kubectl get pods | grep "Running" | grep “container-1” Ex: Linux Command Piping
- 10. Composability
- 11. Event Emitters
- 12. Event Emitters
- 13. Event Emitters Readable Streams ➔ data ➔ close ➔ error Writable Streams ➔ drain ➔ close ➔ error
- 14. Backpressure Produce faster than consume
- 15. Backpressure
- 16. Backpressure
- 17. Backpressure
- 18. Backpressure
- 20. Reactive Programming Rx.Observable .fromEvent(button, 'click') .bufferCount(3) .bufferWhen(() => click.delay(400)) .filter(events => events.length >= 3) .subscribe(console.log); Use Cases highland.js