const { resolve } = require('path');

let metroBundler;
try {
  metroBundler = require('metro');
} catch (ex) {
  metroBundler = require('metro-bundler');
}

const blacklist = metroBundler.createBlacklist;

module.exports = {
  getProjectRoots() {
    return [__dirname, resolve(__dirname, '..')];
  },
  getProvidesModuleNodeModules() {
    return ['react-native', 'react', 'prop-types', 'fbjs'];
  },
  getBlacklistRE() {
    return blacklist([
      new RegExp(`^${escape(resolve(__dirname, '..', 'node_modules'))}\\/.*$`),
    ]);
  },
};