useConfig

export type ConfigKey =
  | "apiBaseUrl"
  | "klineDataUrl"
  | "privateWsUrl"
  | "publicWsUrl"
  | "operatorUrl"
  | "domain"
  | "brokerId"
  | "networkId"
  | "env"
  | "PROD_URL"
  | "markets";

// get specific config
const networkId = useConfig("networkId");

useEffect(() => {
  if (networkId === "testnet") {
    // do something
  }
}, [networkId]);