metro/rn-cli.config.js

// Copyright 2004-present Facebook. All Rights Reserved.

/**
 * React Native CLI configuration file
 */
'use strict';

const blacklist = require('./blacklist.js');
const path = require('path');

module.exports = {
  getProjectRoots() {
    return this._getRoots();
  },

  getAssetRoots() {
    return this._getRoots();
  },

  getBlacklistRE(platform) {
    return blacklist(platform);
  },

  _getRoots() {
    // match on either path separator
    if (__dirname.match(/node_modules[\/\\]react-native[\/\\]packager$/)) {
      // packager is running from node_modules of another project
      return [path.resolve(__dirname, '../../..')];
    } else if (__dirname.match(/Pods\/React\/packager$/)) {
      // packager is running from node_modules of another project
      return [path.resolve(__dirname, '../../..')];
    } else {
      return [path.resolve(__dirname, '..')];
    }
  },

  getTransformModulePath() {
    return require.resolve('./transformer');
  },

};