saepenatus/packages/injected/src/helpers.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 { Device, ProviderRpcErrorCode } from '@web3-onboard/common'
import type { InjectedProvider, InjectedWalletModule } from './types.js'

export class ProviderRpcError extends Error {
  message: string
  code: ProviderRpcErrorCode | number
  data?: unknown

  constructor(error: Pick<ProviderRpcError, 'message' | 'code' | 'data'>) {
    super(error.message)
    this.message = error.message
    this.code = error.code
    this.data = error.data
  }
}

export const defaultWalletUnavailableMsg = ({ label }: InjectedWalletModule) =>
  `Please install or enable ${label} to continue`

export const isWalletAvailable = (
  provider: InjectedProvider,
  checkProviderIdentity: InjectedWalletModule['checkProviderIdentity'],
  device: Device
): boolean => {
  // No injected providers exist.
  if (!provider) {
    return false
  }

  // Many injected providers add their own object into window.
  if (checkProviderIdentity({ provider, device })) {
    return true
  }

  // For multiple injected providers, check providers array
  // example coinbase inj wallet pushes over-ridden wallets
  // into a providers array at window.ethereum
  return !!provider.providers?.some(provider =>
    checkProviderIdentity({ provider, device })
  )
}