62 lines
1.7 KiB
TypeScript
62 lines
1.7 KiB
TypeScript
export const dynamic = 'force-dynamic';
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import type { NextRequest } from "next/server"
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// Store active connections
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const connections = new Set<ReadableStreamDefaultController>()
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export async function GET(request: NextRequest) {
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const stream = new ReadableStream({
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start(controller) {
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connections.add(controller)
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// Send initial connection message
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controller.enqueue(`data: ${JSON.stringify({ type: "connected", timestamp: new Date().toISOString() })}\n\n`)
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// Keep connection alive with periodic pings
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const pingInterval = setInterval(() => {
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try {
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controller.enqueue(`data: ${JSON.stringify({ type: "ping", timestamp: new Date().toISOString() })}\n\n`)
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} catch (err) {
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clearInterval(pingInterval)
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connections.delete(controller)
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}
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}, 30000)
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// Clean up on close
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request.signal.addEventListener("abort", () => {
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clearInterval(pingInterval)
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connections.delete(controller)
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try {
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controller.close()
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} catch (err) {
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// Connection already closed
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}
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})
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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",
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"Cache-Control": "no-cache",
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Connection: "keep-alive",
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"Access-Control-Allow-Origin": "*",
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"Access-Control-Allow-Headers": "Cache-Control",
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},
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})
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}
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// Function to broadcast updates to all connected clients
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export function broadcastUpdate(data: any) {
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const message = `data: ${JSON.stringify({ type: "update", data, timestamp: new Date().toISOString() })}\n\n`
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connections.forEach((controller) => {
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try {
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controller.enqueue(message)
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} catch (err) {
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connections.delete(controller)
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}
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})
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}
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