webpack file-loader settings to next.js

file-loader-config.js

const staticPrefix = '_next/static/';

{
  test: /\.(eot|woff2?|ttf|svg|jpe?g|png|svg|gif|ico)$/,
  use: [
    {
      loader: 'file-loader',
      options: {
        name: IS_PROD ? '' : '[path][name].[ext]',
        publicPath: nextConf.assetPrefix.length
          ? `${nextConf.assetPrefix}${staticPrefix}`
          : `/${staticPrefix}`,
        outputPath: './static'
      }
    }
  ]
}