npm ERR! code EPEERINVALID
npm ERR! peerinvalid The package webpack@1.15.0 does not satisfy its siblings' peerDependencies requirements!
npm ERR! peerinvalid Peer webpack-dev-middleware@1.12.2 wants webpack@^1.0.0 || ^2.0.0 || ^3.0.0
npm ERR! peerinvalid Peer babel-loader@6.4.1 wants webpack@1 || 2 || ^2.1.0-beta || ^2.2.0-rc
npm ERR! peerinvalid Peer webpack-dev-server@1.16.5 wants webpack@>=1.3.0 <3
npm ERR! peerinvalid Peer webpack-cli@3.1.2 wants webpack@^4.x.x
