Gulp AngularJS Full Lib Changelog Generation Task

changelog.js

'use strict';

var gulp = require('gulp');
var conventionalChangelog = require('gulp-conventional-changelog');

var transform = function(commit) {
  var commitMap = {
    'feat': 'Features',
    'fix': 'Bug Fixes',
    'docs': 'Documentation Changes',
    'style': 'Style Changes',
    'refactor': 'Code Refactoring',
    'perf': 'Performance Improvements',
    'revert': 'Reverts',
    'test': 'Tests',
    'chore': 'Chore Changes'
  };

  if (!commitMap.hasOwnProperty(commit.type)) {
    return;
  }
  commit.type = commitMap[commit.type];

  if (commit.scope === '*') {
    commit.scope = '';
  }

  if (typeof commit.hash === 'string') {
    commit.hash = commit.hash.substring(0, 7);
  }

  if (typeof commit.subject === 'string') {
    commit.subject = commit.subject.substring(0, 80);
  }

  commit.notes.map(function(note) {
    if (note.title === 'BREAKING CHANGE') {
      note.title = 'BREAKING CHANGES';
    }

    return note;
  });

  return commit;
};

gulp.task('changelog', function() {
  return gulp.src('CHANGELOG.md')
    .pipe(conventionalChangelog({
      preset: 'angular'
    }, {}, {}, {}, {
      transform: transform
    }))
    .pipe(gulp.dest('./'));
});