@assert-equals/headless-wallet/src/utils.ts

Web3 dApp testing with a MetaMask equivalent headless wallet, using Playwright or WebDriver —no extension popups

import { type Chain } from "viem";
import * as chains from "viem/chains";

export const getChainById = (id: number): Chain => {
  return Object.values(chains).find((chain) => chain.id === id) ?? chains.mainnet;
};