Function resolve

test/unit/node/socket.test.ts:60–67

(type: "client" | "server")

    return new Promise<void>((_resolve) => {
      const resolved: { [key: string]: boolean } = { client: false, server: false }
      const resolve = (type: "client" | "server"): void => {
        resolved[type] = true
        if (resolved.client && resolved.server) {
          // We don't need any more connections.
          main.close()
          _resolve()
        }
      }
      const main = tls
        .createServer(options, (s) => {
          server = s