useEnsureConnectedTo

useEnsureConnectedTo

Returns a function that ensures the wallet is connected to a specific chain. Throws an error if no account is connected, or switches chains if needed.

Import

import { useEnsureConnectedTo } from "@hemilabs/react-hooks/useEnsureConnectedTo";

Parameters

None.

Return Value

Returns an async function: (targetChainId: number) => Promise<void>

• Throws if no wallet account is connected.
• Switches chain if the wallet is connected to a different chain.

Usage

import { useEnsureConnectedTo } from "@hemilabs/react-hooks/useEnsureConnectedTo";
import { optimism } from "viem/chains";

function ChainSwitch() {
  const ensureConnectedTo = useEnsureConnectedTo();

  const handleClick = async () => {
    // Switch to Optimism if not connected
    await ensureConnectedTo(optimism.id);
    // Do another op now in the OP chain
  };

  return <button onClick={handleClick}>Submit</button>;
}