/Knowledge/sources/honojs__hono/llms-full/streaming-helper-streamsse--9617015a2682.md
Streaming Helper: streamSSE() - hono-docs
Streaming Helper: streamSSE() Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt streamsse Summary It all...
Streaming Helper: streamSSE()
Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#streamsse
Summary
It allows you to stream Server-Sent Events (SSE) seamlessly. ```ts const app = new Hono() let id = 0 app.get('/sse', async (c) => { return streamSSE(c, async (stream) => { while (!stream.aborted) { const message = `It is ${new Date().toI...
Content
It allows you to stream Server-Sent Events (SSE) seamlessly.
const app = new Hono()
let id = 0
app.get('/sse', async (c) => {
return streamSSE(c, async (stream) => {
while (!stream.aborted) {
const message = `It is ${new Date().toISOString()}`
await stream.writeSSE({
data: message,
event: 'time-update',
id: String(id++),
})
await stream.sleep(1000)
}
})
})
Metadata
{
"chunk_index": 0,
"citation": "https://hono.dev/llms-full.txt#streamsse",
"coverage_role": "overview",
"qualified_title": "Hono / llms-full / Streaming Helper > `streamSSE()`",
"retrieved_at": "2026-07-02T05:51:01Z",
"section_index": 676,
"source_id": "/honojs/hono",
"source_type": "llms_full",
"target_label": "llms-full",
"title": "Streaming Helper: streamSSE()",
"upstream_url": "https://hono.dev/llms-full.txt",
"version": "2026"
}