saepenatus/packages/frontier/src/index.ts

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

import type { WalletInit, EIP1193Provider } from '@web3-onboard/common'
import { CustomWindow } from './types.js'
declare const window: CustomWindow

function frontier(): WalletInit {
  if (typeof window === 'undefined') return () => null

  return () => {
    return {
      label: 'Frontier',
      getIcon: async () => (await import('./icon.js')).default,
      getInterface: async () => {
        const { createEIP1193Provider } = await import('@web3-onboard/common')
        const ethereumInjectionExists = window.hasOwnProperty('ethereum')

        let provider: EIP1193Provider

        // check if frontier is injected into window.ethereum
        if (ethereumInjectionExists && window['ethereum'].isFrontier) {
          provider = createEIP1193Provider(window['ethereum'])
        } else if (window['frontier']) {
          // directly use the window.frontier injection
          provider = createEIP1193Provider(window['frontier']['ethereum'])
        } else {
          // frontier extension is not installed
          // send user to install page
          window.open('https://frontier.xyz/browser-extension', '_blank')
          throw new Error('Please Install Frontier to use this wallet')
        }

        return { provider }
      }
    }
  }
}

export default frontier