Package.describe({ name: 'rocketchat:livechat', version: '0.0.1', summary: 'Livechat plugin for Rocket.Chat', }); Package.registerBuildPlugin({ name: 'Livechat', use: ['ecmascript'], sources: ['plugin/build-livechat.js'], npmDependencies: { 'uglify-js': '2.8.29', }, }); Package.onUse(function (api) { // livechat app api.addAssets('assets/demo.html', 'client'); });