react-native/local-cli/link/ios/createGroupWithMessage.js

const log = require('npmlog');

const createGroup = require('./createGroup');
const getGroup = require('./getGroup');

/**
 * Given project and path of the group, it checks if a group exists at that path,
 * and deeply creates a group for that path if its does not already exist.
 *
 * Returns the existing or newly created group
 */
module.exports = function createGroupWithMessage(project, path) {
  var group = getGroup(project, path);

  if (!group) {
    group = createGroup(project, path);

    log.warn(
      'ERRGROUP',
      `Group '${path}' does not exist in your Xcode project. We have created it automatically for you.`
    );
  }

  return group;
};