babel-coreが読み込めないらしい Error: Cannot find module '@babel/core' babel-loader@8 requires Babel 7.x (the package '@babel/core'). If you'd like to use Babel 6.x ('babel-core'), you should install 'babel-loader@7'. yarn upgrade babel-co…

Chunk.jsでエラー 10% building 3/3 modules 0 active(node:135) DeprecationWarning: Tapable.plugin is deprecated. Use new API on `.hooks` instead ℹ ｢wds｣: Project is running at http://0.0.0.0:3035/ ℹ ｢wds｣: webpack output is served from /pack…

webpack3→4でエラーになった ✖ ｢wds｣: Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema. - configuration.module has an unknown property 'loaders'. These properties are …

webpack3→4に帰るとエラーになった。 The CLI moved into a separate package: webpack-cli Please install 'webpack-cli' in addition to webpack itself to use the CLI -> When using npm: npm i -D webpack-cli -> When using yarn: yarn add -D webpack…