36 lines
1.3 KiB
TypeScript
36 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 { Api } from "../api"
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import { EventFeed } from "../event-feed"
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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 feed = yield* EventFeed.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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} as const
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const output = Stream.unwrap(
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feed.subscribe.pipe(Effect.map((live) => Stream.make(EventFeed.frame(connected)).pipe(Stream.concat(live)))),
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)
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const heartbeat = Stream.tick("15 seconds").pipe(Stream.map(() => ": heartbeat\n\n"))
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return HttpServerResponse.stream(
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output.pipe(Stream.merge(heartbeat, { haltStrategy: "left" }), Stream.encodeText),
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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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