npm_and_yarn in /. for @babel/core, brace-expansion, react-router, react-router, react-router, react-router, react-router, react-router, react-router, yaml - Update #1469732723

npm_and_yarn in /. for @babel/core, brace-expansion, react-router, react-router, react-router, react-router, react-router, react-router, react-router, yaml - Update #1469732723 #277