metamask-extension/.storybook/webpack.config.js

const path = require('path')

module.exports = {
  module: {
    rules: [
      {
        test: /\.(woff(2)?|ttf|eot|svg|otf)(\?v=\d+\.\d+\.\d+)?$/,
        loaders: [{
          loader: 'file-loader',
          options: {
            name: '[name].[ext]',
            outputPath: 'fonts/',
          },
        }],
      },
      {
        test: /\.scss$/,
        loaders: [
          'style-loader',
          'css-loader',
          'resolve-url-loader',
          {
            loader: 'sass-loader',
            options: {
              sourceMap: true,
            },
          },
        ],
      },
    ],
  },
  resolve: {
    alias: {
      './fonts/Font_Awesome': path.resolve(__dirname, '../app/fonts/Font_Awesome'),
    },
  },
}