text: const webpack = require("webpack");
  
  module.exports = {
      configureWebpack: {
          devtool: 'source-map',
          plugins: [
              new webpack.DefinePlugin({
                  __VUE_OPTIONS_API__: true,
                  __VUE_PROD_DEVTOOLS__: false
              })]
      },
      publicPath: process.env.NODE_ENV === 'production'
          ? '/8-puzzle/'
          : '/'
  }
  