@gnosis.pm/dapp-ui/lib-esm/provider/index.js

Web3 provider setup functions built with Typescript and love. From Gnosis.

import Web3Connect from 'web3connect';
const getProvider = walletConnectInits => {
    const web3Connect = new Web3Connect.Core({
        providerOptions: {
            // in truth it's optional, but required in the interface
            walletconnect: walletConnectInits,
        },
    });
    let unsubFuncs;
    const providerPromise = new Promise((resolve, reject) => {
        unsubFuncs = [
            // provider connected, resolve(provider)
            web3Connect.on('connect', resolve),
            // modal closed, resolve(null)
            web3Connect.on('close', () => resolve(null)),
            // error during connection or modal opening, reject(error)
            web3Connect.on('error', reject),
        ];
        // futureproof for when .on returns an unsubbing function
    }).finally(() => unsubFuncs.forEach(unsub => unsub && unsub()));
    web3Connect.toggleModal(); // open modal
    return providerPromise;
};
export default getProvider;
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