80 lines
1.9 KiB
TypeScript
80 lines
1.9 KiB
TypeScript
import {
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collectCurrentProjectOnboardingState,
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getProjectBridgeServiceForCwd,
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requireProjectCwd,
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} from "../../../../../src/web/bridge-service.ts";
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import { cancelShutdown } from "../../../../lib/shutdown-gate";
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export const runtime = "nodejs";
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export const dynamic = "force-dynamic";
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const encoder = new TextEncoder();
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function encodeSseData(payload: unknown): Uint8Array {
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return encoder.encode(`data: ${JSON.stringify(payload)}\n\n`);
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}
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export async function GET(request: Request): Promise<Response> {
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// SSE reconnection proves the client is alive — cancel any pending shutdown.
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cancelShutdown();
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const projectCwd = requireProjectCwd(request);
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const bridge = getProjectBridgeServiceForCwd(projectCwd);
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const onboarding = await collectCurrentProjectOnboardingState(projectCwd);
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if (onboarding.locked) {
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return new Response(null, {
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status: 204,
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headers: {
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"Cache-Control": "no-store",
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},
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});
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}
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try {
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await bridge.ensureStarted();
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} catch {
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// Keep the stream open and let the initial bridge_status event surface the failure state.
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}
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let unsubscribe: (() => void) | null = null;
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let closed = false;
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const closeWith = (
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controller: ReadableStreamDefaultController<Uint8Array>,
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) => {
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if (closed) return;
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closed = true;
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unsubscribe?.();
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unsubscribe = null;
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controller.close();
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};
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const stream = new ReadableStream<Uint8Array>({
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start(controller) {
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unsubscribe = bridge.subscribe((event) => {
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if (closed) return;
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controller.enqueue(encodeSseData(event));
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});
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request.signal.addEventListener("abort", () => closeWith(controller), {
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once: true,
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});
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},
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cancel() {
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if (closed) return;
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closed = true;
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unsubscribe?.();
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unsubscribe = null;
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},
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});
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return new Response(stream, {
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headers: {
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"Content-Type": "text/event-stream; charset=utf-8",
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"Cache-Control": "no-cache, no-transform",
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Connection: "keep-alive",
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"X-Accel-Buffering": "no",
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},
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});
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}
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