@broxus/js-bridge-essentials/dist/esm/utils/network/get-evm-connection.js

Bridge JavaScript Essentials library

import Web3 from 'web3';
const connections = new Map();
export function getEvmConnection(networks, chainId, network) {
    if (Array.isArray(networks) && chainId) {
        let connection = connections.get(chainId);
        if (!connection) {
            const _network = networks.find(value => value.chainId.toString() === chainId.toString());
            if (_network?.rpcUrl) {
                connection = new Web3(_network.rpcUrl);
            }
        }
        if (!connection) {
            throw new Error(`The ${network?.shortName} connection was not established`);
        }
        connections.set(chainId, connection);
        return connection;
    }
    const _network = 'rpcUrl' in networks && 'chainId' in networks ? networks : network;
    if (_network?.rpcUrl) {
        const connection = new Web3(_network.rpcUrl);
        connections.set(_network.chainId, connection);
        return connection;
    }
    throw new Error(`The ${_network?.shortName} connection was not established`);
}