webpack.config.js

module.exports = {
  entry: './src/index.js',
  output: {
    path: __dirname + '/dist',
    publicPath: '/',
    filename: 'bundle.js',
    library: 'AttachesTool',
    libraryTarget: 'umd',
    libraryExport: 'default'
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'babel-loader',
            query: {
              presets: [ '@babel/preset-env' ]
            }
          },
          {
            loader: 'eslint-loader',
            options: {
              fix: true
            }
          }
        ]
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader',
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: [
                  'postcss-nested-ancestors',
                  'postcss-nested'
                ]
              }
            }
          }
        ]
      },
      {
        test: /\.svg$/,
        loader: 'svg-inline-loader?removeSVGTagAttrs=false'
      }
    ]
  }
};