46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
import { EventV2 } from "@opencode-ai/core/event"
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import { Effect, Stream } from "effect"
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import { HttpServerResponse } from "effect/unstable/http"
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import { HttpApiBuilder } from "effect/unstable/httpapi"
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import * as Sse from "effect/unstable/encoding/Sse"
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import { Api } from "../api"
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function eventData(data: unknown): Sse.Event {
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return {
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_tag: "Event",
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event: "message",
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id: undefined,
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data: JSON.stringify(data),
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}
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}
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export const EventHandler = HttpApiBuilder.group(Api, "server.event", (handlers) =>
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Effect.gen(function* () {
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const events = yield* EventV2.Service
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return handlers.handleRaw("event.subscribe", () =>
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Effect.gen(function* () {
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const connected = {
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id: EventV2.ID.create(),
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type: "server.connected",
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data: {},
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}
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return HttpServerResponse.stream(
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Stream.make(connected).pipe(
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Stream.concat(events.all()),
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Stream.map(eventData),
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Stream.pipeThroughChannel(Sse.encode()),
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Stream.encodeText,
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),
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{
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contentType: "text/event-stream",
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headers: {
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"Cache-Control": "no-cache, no-transform",
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"X-Accel-Buffering": "no",
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"X-Content-Type-Options": "nosniff",
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},
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},
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)
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}),
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)
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}),
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)
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