extractTextWebpackPluginInstance.extract({ use: [ { loader: 'css-loader', options: { minimize: true, importLoaders: 1 } }, { loader: 'postcss-loader', options: { ident: 'postcss', plugins: (loader) => [ postcssAutoprefixer({browsers: ['since 2012']}) ] } }, { loader: 'sass-loader' } ], fallback: 'style-loader', publicPath: publicPathName })