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React Metamask Checker

License Build Status Coverage Status

Description

React component which uses Render Props approach for checking Metamask inpage provider object.

Note: since v2.0.0 only new version of Metamask API is supported. Related links:

Installation

yarn add @metamask-checker/react

# or

npm install --save @metamask-checker/react

Testing

yarn test:jest # Runs Jest with coverage collection
yarn test:coverage # Sends coverage to .coveralls.io
yarn test # yarn test:jest && yarn test:coverage

# or

npm run test:jest
npm run test:coverage
npm test

Usage

// ./containers/App.js

import React, { Component } from 'react'
import MetamaskChecker from '@metamask-checker/react'

import Loader from './components/Loader'
import Err from './components/Error'
import Content from './components/Content'

class App extends Component {

  async initialize (provider, account, network) {
    console.log(provider, account, network)
  }

  render () {

    const props = {
      /* Ethereum network_id (numeric) which should be selected in Metamask */
      // network : null,

      /* Ethereum account (address) which should be selected in Metamask */
      // account : null,

      /* Function which executes on checking error */
      // onCheckError   : async (error) => null,

      /* Function which executes on checking success */
      onCheckSuccess : async (provider, account, network) => await this.initialize(provider, account, network),

      renderDefault : () => <Loader />,

      renderErrored : error => <Err message={error.message || 'Unexpected error'} />,

      renderChecked : (provider, account, network) => <Content />
    }

    return <MetamaskChecker {...props} />
  }
}