$ yarn add -D rn-nodeify@latest

Then, add this line to your app package.json script:

"postinstall": "rn-nodeify --install crypto,stream,vm --yarn --hack"

  "scripts": {
    "postinstall": "rn-nodeify --install crypto,stream --yarn --hack",
    "android": "react-native run-android",
    "ios": "react-native run-ios",
    ...
  },

$ yarn add https://github.com/incognitochain/react-native-incognito-js

This module needs react-native-randombytes to work, install it:

$ yarn add react-native-randombytes

You need to add Gomobile.framework to your project xcworkspace. The framework is located in node_modules/react-native-incognito-js/ios/Gomobile.framework

$ react-native link react-native-incognito-js

import incognitoJs from 'react-native-incognito-js';

incognitoJs;

See IncognitoJS API Document

See an example (Incognito Wallet Template)