Initial commit

api/core/events/routes.ts

@@ -0,0 +1,32 @@
+import express, { Request, Response } from 'express'
+import type { ApiResponse } from '../../../shared/types.js'
+import { eventBus } from '../../events/eventBus.js'
+
+const router = express.Router()
+
+router.get('/', (req: Request, res: Response) => {
+  if (process.env.VERCEL) {
+    const response: ApiResponse<null> = {
+      success: false,
+      error: { code: 'SSE_UNSUPPORTED', message: 'SSE在无服务器运行时中不受支持' },
+    }
+    return res.status(501).json(response)
+  }
+
+  const headers = {
+    'Content-Type': 'text/event-stream',
+    'Connection': 'keep-alive',
+    'Cache-Control': 'no-cache'
+  }
+  res.writeHead(200, headers)
+
+  res.write(`data: ${JSON.stringify({ event: 'connected' })}\n\n`)
+
+  eventBus.addClient(res)
+
+  req.on('close', () => {
+    eventBus.removeClient(res)
+  })
+})
+
+export default router