{ "scripts": { "prepare": "npm run copy-minifier && npm run copy-minifier-license", "copy-minifier": "mkdir -p lib/csso && cp node_modules/csso/dist/csso.js lib/csso", "copy-minifier-license": "mkdir -p lib/csso && cp node_modules/csso/LICENSE lib/csso" }, "devDependencies": { "csso": "^5.0.2" } }