shim.js

import { polyfill as polyfillEncoding } from 'react-native-polyfill-globals/src/encoding'
import { polyfill as polyfillURL } from 'react-native-polyfill-globals/src/url'
import { polyfill as polyfillCrypto } from 'react-native-polyfill-globals/src/crypto'
import { polyfill as polyfillFetch } from 'react-native-polyfill-globals/src/fetch'
import { polyfill as polyfillReadableStream } from 'react-native-polyfill-globals/src/readable-stream'

polyfillEncoding()
polyfillReadableStream()
polyfillURL()
polyfillCrypto()
polyfillFetch()

if (typeof Buffer === 'undefined') {
  // eslint-disable-next-line global-require
  global.Buffer = require('buffer/').Buffer
}

// eslint-disable-next-line global-require
if (typeof BigInt === 'undefined') global.BigInt = require('big-integer')

if (!global.performance && global._chronoNow) {
  global.performance = {
    now: global._chronoNow,
  };
}