@reservoir0x/relay-kit-hooks/_esm/src/hooks/useRelayChains.js

Relay is the Fastest and Cheapest Way to Bridge and Transact Across Chains.

import { configureViemChain, convertViemChainToRelayChain, MAINNET_RELAY_API, setParams } from '@reservoir0x/relay-sdk';
import fetcher from '../fetcher.js';
import { useQuery } from '@tanstack/react-query';
import { useMemo } from 'react';
import { mainnet } from 'viem/chains';
export const queryRelayChains = function (baseApiUrl = MAINNET_RELAY_API, options, headers) {
    const url = new URL(`${baseApiUrl}/chains`);
    setParams(url, options ?? {});
    return fetcher(url.href, headers);
};
export default function (baseApiUrl, options, queryOptions) {
    const response = useQuery({
        queryKey: ['useRelayChains', baseApiUrl, options],
        queryFn: () => queryRelayChains(baseApiUrl, options),
        retry: false,
        ...queryOptions
    });
    return useMemo(() => {
        const chains = response?.data?.chains?.map((chain) => configureViemChain(chain));
        return {
            ...response,
            viemChains: chains?.map((chain) => chain.viemChain),
            chains: chains ? chains : [convertViemChainToRelayChain(mainnet)]
        };
    }, [response.data, response.data?.chains, response.error, response.isLoading]);
}
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