Function handler

packages/devtools-vite/src/plugin.ts:140–142

(code, id)

            server.httpServer?.on('close', teardownBridge)
          }
        }

        server.middlewares.use((req, _res, next) => {
          if (req.socket.localPort && req.socket.localPort !== port) {
            port = req.socket.localPort
          }