use-has-wallet

use-has-wallet is a React hook for detecting if specific wallet extensions are installed in the user's browser. It's based on EIP-6963 using the mipd library of various wallet providers to check for their presence.

Installation

You can install use-has-wallet via npm:

npm install use-has-wallet

or via yarn:

yarn add use-has-wallet

Usage

To use use-has-wallet, import the hook and use it within your React components. You'll need to pass the RDNS of the wallet you want to check.

import React from 'react';
import { useHasWalletExtension, METAMASK_RDNS } from 'use-has-wallet';

const MyComponent = () => {
  const hasMetamask = useHasWalletExtension(METAMASK_RDNS);

  return (
    <div>
      {hasMetamask ? 'Metamask is installed' : 'Metamask is not installed'}
    </div>
  );
};

export default MyComponent;

API

useHasWalletExtension

The useHasWalletExtension hook checks if a wallet extension specified by its RDNS is installed.

Parameters

• rdns (string): The registered domain name of the wallet to check.

Returns

• boolean: A boolean indicating whether the wallet extension is installed.

Wallet RDNS Constants

The package provides constants for common wallet RDNS to simplify usage:

• COINBASE_WALLET_RDNS
• COINBASE_SMART_WALLET_RDNS
• METAMASK_RDNS
• RAINBOW_RDNS
• WALLETCONNECT_RDNS

import {
  COINBASE_WALLET_RDNS,
  COINBASE_SMART_WALLET_RDNS,
  METAMASK_RDNS,
  RAINBOW_RDNS,
  WALLETCONNECT_RDNS,
} from 'use-has-wallet';

Examples

Check for Metamask and WalletConnect

import React from 'react';
import {
  useHasWalletExtension,
  METAMASK_RDNS,
  WALLETCONNECT_RDNS,
} from 'use-has-wallet';

const WalletChecker = () => {
  const hasMetamask = useHasWalletExtension(METAMASK_RDNS);
  const hasWalletConnect = useHasWalletExtension(WALLETCONNECT_RDNS);

  return (
    <div>
      <div>Metamask: {hasMetamask ? 'Installed' : 'Not Installed'}</div>
      <div>
        WalletConnect: {hasWalletConnect ? 'Installed' : 'Not Installed'}
      </div>
    </div>
  );
};

export default WalletChecker;

Contributing

Contributions are welcome! Please open an issue or submit a pull request if you have any improvements or suggestions.

License

use-has-wallet is released under the MIT License.