Rocket.Chat/packages/rocketchat-version/package.js

Package.describe({
  name: 'rocketchat:version',
  summary: '',
  version: '1.0.0'
});

Package.registerBuildPlugin({
  name: 'compileVersion',
  use: ['coffeescript'],
  sources: ['plugin/compile-version.coffee']
});

Package.onUse(function (api) {
  api.use('isobuild:compiler-plugin@1.0.0');
});