cartesi / rollups-explorer / 11707040110

import { Client, cacheExchange, createClient, fetchExchange } from "urql/core";

let urqlClient: Client | null = null;

let urqlServerClient: Client | null = null;

const buildClient = (url?: string) => {

    if (!url)

        throw new Error(

            "Rollups explorer API URL not defined! Check .env.template file for reference.",

        );

    return createClient({

        url,

        exchanges: [cacheExchange, fetchExchange],

    });

};

export const getUrqlClient = () => {

    if (!urqlClient) {

        const url = process.env.NEXT_PUBLIC_EXPLORER_API_URL ?? "";

        urqlClient = buildClient(url);

    }

    return urqlClient;

};

export const getUrqlServerClient = () => {

    if (!urqlServerClient) {

        const url =

            process.env.INTERNAL_EXPLORER_API_URL ??

            process.env.NEXT_PUBLIC_EXPLORER_API_URL ??

            "";

        urqlServerClient = buildClient(url);

    }

    return urqlServerClient;

};