eventsourced

Server-Sent Events the UNIX way.

eventsourced streams stdin to a TCP/IP port as text/event-source.

On the server:

$ ping example.com | eventsourced --port=1337 --allow-origin=localhost

In the browser:

 new EventSource('http://0.0.0.0:1337').onmessage = e => console.log(e.data)
 PING example.com (93.184.216.34): 56 data bytes
 64 bytes from 93.184.216.34: icmp_seq=0 ttl=50 time=86.586 ms
 64 bytes from 93.184.216.34: icmp_seq=1 ttl=50 time=89.107 ms
 64 bytes from 93.184.216.34: icmp_seq=2 ttl=50 time=88.805 ms
 64 bytes from 93.184.216.34: icmp_seq=3 ttl=50 time=88.843 ms
 64 bytes from 93.184.216.34: icmp_seq=4 ttl=50 time=89.181 ms
 64 bytes from 93.184.216.34: icmp_seq=5 ttl=50 time=89.159 ms
 64 bytes from 93.184.216.34: icmp_seq=6 ttl=50 time=87.214 ms
 ...