@wagmi/core/src/actions/getChainId.ts

VanillaJS library for Ethereum

import type { Config } from '../createConfig.js'

export type GetChainIdReturnType<config extends Config = Config> =
  config['chains'][number]['id']

/** https://wagmi.sh/core/api/actions/getChainId */
export function getChainId<config extends Config>(
  config: config,
): GetChainIdReturnType<config> {
  return config.state.chainId
}