Repack RN bundle in Android

const exec = require('shell-utils').exec;
const _ = require('lodash');

run();

function findFileRecursively(dir, filelist) {
  var fs = fs || require('fs'),
    files = fs.readdirSync(dir);
  filelist = filelist || [];
  files.forEach(function (file) {
    if (fs.statSync(dir + '/' + file).isDirectory()) {
      filelist = findFileRecursively(dir + '/' + file, filelist);
    }
    else {
      filelist.push(dir + '/' + file);
    }
  });
  return filelist;
};

function getReleaseApkPath() {
  var fileList = findFileRecursively('./android/app/build/outputs', fileList);
  for (path of fileList) {
    if (_.includes(path, 'release') && _.includes(path, '.apk'))
      return path;
  }
  throw new Error('no release apk');
}

function run() {
  const apk = getReleaseApkPath();
  exec.execSync(`apktool d ${apk} -s -o ./tmp`);
  exec.execSync('react-native bundle --platform android --entry-file index.js --bundle-output ./tmp/assets/index.android.bundle --assets-dest ./tmp/res');
  exec.execSync(`apktool b ./tmp -o result.apk`);
  exec.execSync('jarsigner -keystore ~/Documents/test/keystore.jks -storepass qwerty123 -verbose result.apk key0');
  exec.execSync('rm -rf tmp/');
}