@pegakit/pegakit/build-tools/build/tasks/release.js

The living styleguide, pattern library, UI ToolKit, and front-end build tools that power Pega's digital web properties.

var gulp = require('gulp');
var runSequence = require('run-sequence');
var conventionalChangelog = require('gulp-conventional-changelog');
var conventionalGithubReleaser = require('conventional-github-releaser');
var bump = require('gulp-bump');
var gutil = require('gulp-util');
var git = require('gulp-git');
var fs = require('fs');

module.exports = function (gulp, config, $) {

  gulp.task('changelog', function () {
    return gulp.src('CHANGELOG.md', {
      buffer: false
    })
      .pipe(conventionalChangelog({
        preset: 'eslint' // Or to any other commit message convention you use.
      }))
      .pipe(gulp.dest('./'));
  });
  


  gulp.task('github-release', function(done) {
    conventionalGithubReleaser({
      type: "oauth",
      token: process.env.GITHUB_TOKEN // change this to your own GitHub token or use an environment variable
    }, {
      preset: 'eslint' // Or to any other commit message convention you use.
    }, done);
  });

  gulp.task('bump-version', function () {
  // We hardcode the version change type to 'patch' but it may be a good idea to
  // use minimist (https://www.npmjs.com/package/minimist) to determine with a
  // command argument whether you are doing a 'major', 'minor' or a 'patch' change.
    return gulp.src(['./bower.json', './package.json'])
      .pipe(bump({type: "patch"}).on('error', gutil.log))
      .pipe(gulp.dest('./'));
  });

  gulp.task('commit-changes', function () {
    return gulp.src('.')
      .pipe(git.add())
      .pipe(git.commit('[Prerelease] Bumped version number'));
  });

  gulp.task('push-changes', function (cb) {
    git.push('origin', 'master', cb);
  });

  gulp.task('create-new-tag', function (cb) {
    var version = getPackageJsonVersion();
    git.tag(version, 'Created Tag for version: ' + version, function (error) {
      if (error) {
        return cb(error);
      }
      git.push('origin', 'master', {args: '--tags'}, cb);
    });

    function getPackageJsonVersion () {
      // We parse the json file instead of using require because require caches
      // multiple calls so the version number won't be updated
      return JSON.parse(fs.readFileSync('./package.json', 'utf8')).version;
    };
  });

  gulp.task('release', function (callback) {
    runSequence(
      'bump-version',
      'changelog',
      'commit-changes',
      'push-changes',
      'create-new-tag',
      'github-release',
      function (error) {
        if (error) {
          console.log(error.message);
        } else {
          console.log('RELEASE FINISHED SUCCESSFULLY');
        }
        callback(error);
      });
  });
  
};