Package.describe({ summary: 'CSS minifier', version: '1.5.0' }); Npm.depends({ postcss: '7.0.18', cssnano: '4.1.10' }); Package.onUse(function (api) { api.use('ecmascript'); api.mainModule('minifier.js', 'server'); api.export('CssTools'); }); Package.onTest(function (api) { api.use('ecmascript'); api.use('tinytest'); api.addFiles([ 'minifier-tests.js', 'urlrewriting-tests.js' ], 'server'); });