text: /**
   * Copyright (c) 2013-present, Facebook, Inc.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   */
  
  'use strict';
  
  const fs = require('fs');
  const includes = require('lodash.includes');
  const minimatch = require('minimatch');
  
  const { danger, fail, markdown, message, warn } = require('danger');
  
  // Fails if the description is too short.
  if (!danger.github.pr.body || danger.github.pr.body.length < 10) {
    fail(':grey_question: This pull request needs a description.');
  }
  
  // Warns if there are changes to package.json, and tags the team.
  const packageChanged = includes(danger.git.modified_files, 'package.json');
  if (packageChanged) {
    const title = ':lock: package.json';
    const idea = 'Changes were made to package.json. ' +
      'This will require a manual import by a Facebook employee.';
    warn(`${title} - <i>${idea}</i>`);
  }
  
  // Warns if a test plan is missing.
  const includesTestPlan = danger.github.pr.body && danger.github.pr.body.toLowerCase().includes('test plan');
  if (!includesTestPlan) {
    const title = ':clipboard: Test Plan';
    const idea = 'This PR appears to be missing a Test Plan.';
    warn(`${title} - <i>${idea}</i>`);
  }
  
  // Regex looks for given categories, types, a file/framework/component, and a message - broken into 4 capture groups
  const releaseNotesRegex = /\[\s?(ANDROID|CLI|DOCS|GENERAL|INTERNAL|IOS|TVOS|WINDOWS)\s?\]\s*?\[\s?(BREAKING|BUGFIX|ENHANCEMENT|FEATURE|MINOR)\s?\]\s*?\[(.*)\]\s*?\-\s*?(.*)/ig;
  const includesReleaseNotes = danger.github.pr.body && danger.github.pr.body.toLowerCase().includes('release notes');
  const correctlyFormattedReleaseNotes = releaseNotesRegex.test(danger.github.pr.body);
  
  if (!includesReleaseNotes) {
    const title = ':clipboard: Release Notes';
    const idea = 'This PR appears to be missing Release Notes.';
    warn(`${title} - <i>${idea}</i>`);
  } else if (!correctlyFormattedReleaseNotes) {
    const title = ':clipboard: Release Notes';
    const idea = 'This PR may have incorrectly formatted Release Notes.';
    warn(`${title} - <i>${idea}</i>`);
  }
  
  // Tags big PRs
  var bigPRThreshold = 600;
  if (danger.github.pr.additions + danger.github.pr.deletions > bigPRThreshold) {
    const title = ':exclamation: Big PR';
    const idea = `This PR is extremely unlikely to get reviewed because it touches ${danger.github.pr.additions + danger.github.pr.deletions} lines.`;
    warn(`${title} - <i>${idea}</i>`);
  } else if (danger.git.modified_files + danger.git.added_files + danger.git.deleted_files > bigPRThreshold) {
    const title = ':exclamation: Big PR';
    const idea = `This PR is extremely unlikely to get reviewed because it touches ${danger.git.modified_files + danger.git.added_files + danger.git.deleted_files} files.`;
    warn(`${title} - <i>${idea}</i>`);
  }
  
  // Warns if the PR is opened against stable, as commits need to be cherry picked and tagged by a release maintainer.
  // Fails if the PR is opened against anything other than `master` or `-stable`.
  const isMergeRefMaster = danger.github.pr.base.ref === 'master';
  const isMergeRefStable = danger.github.pr.base.ref.indexOf('-stable') !== -1;
  if (!isMergeRefMaster && isMergeRefStable) {
    const title = ':grey_question: Base Branch';
    const idea = 'The base branch for this PR is something other than `master`. Are you sure you want to merge these changes into a stable release? If you are interested in backporting updates to an older release, the suggested approach is to land those changes on `master` first and then cherry-pick the commits into the branch for that release. The [Releases Guide](https://github.com/facebook/react-native/blob/master/Releases.md) has more information.';
    warn(`${title} - <i>${idea}</i>`);
  } else if (!isMergeRefMaster && !isMergeRefStable) {
    const title = ':exclamation: Base Branch';
    const idea = 'The base branch for this PR is something other than `master`. [Are you sure you want to target something other than the `master` branch?](http://facebook.github.io/react-native/docs/contributing.html#pull-requests)';
    fail(`${title} - <i>${idea}</i>`);
  }
  