https://www.jeffhui.net/tags/datastar/ Recent content in Datastar on jeffhui.net Hugo en-us Thu, 06 Aug 2026 04:36:51 -0700 https://www.jeffhui.net/writings/2026/serving-datastar-streams/ Thu, 06 Aug 2026 04:36:51 -0700 https://www.jeffhui.net/writings/2026/serving-datastar-streams/ <p><a href="https://data-star.dev/">Datastar</a> leaves the server-side implementation open-ended. Datastar provides <a href="https://data-star.dev/reference/sdks">SDKs</a> for various languages, but those SDKs only cover <a href="https://data-star.dev/reference/sse_events">the protocol on top of SSE</a> that the Datastar JavaScript client expects. To manage Datastar connections from the server, you need two things:</p> <ol> <li>Sending the <a href="https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events">SSE</a> events Datastar expects.</li> <li>Getting state changes from one of your servers to the others.</li> </ol> <p>The second is the harder one if you haven&rsquo;t worked with streaming architectures. The creator of Datastar uses <a href="https://nats.io/">NATS</a>, but any centralized store or pub-sub queue where servers can publish and read changes is enough to get started. Server languages that handle concurrency poorly will hit limits on scaling SSE connections sooner.</p>