Run from root in webpack-cli, this is the behaviour of merge prop atm

test.js

const yoConfig = {
    "webpack-cli": {
      "configuration": {
        "config": {
          "merge": "okay",
          "topScope": [
            "const webpack = require('webpack')",
            "const path = require('path')",
            "\n",
            "/*\n * SplitChunksPlugin is enabled by default and replaced\n * deprecated CommonsChunkPlugin. It automatically identifies modules which\n * should be splitted of chunk by heuristics using module duplication count and\n * module category (i. e. node_modules). And splits the chunks…\n *\n * It is safe to remove \"splitChunks\" from the generated configuration\n * and was added as an educational example.\n *\n * https://webpack.js.org/plugins/split-chunks-plugin/\n *\n */",
            "/*\n * We've enabled TerserPlugin for you! This minifies your app\n * in order to load faster and run less javascript.\n *\n * https://github.com/webpack-contrib/terser-webpack-plugin\n *\n */",
            "const TerserPlugin = require('terser-webpack-plugin');",
            "\n"
          ],
          "webpackOptions": {
            "module": {
              "rules": [
                {
                  "include": [
                    "path.resolve(__dirname, 'src')"
                  ],
                  "loader": "'babel-loader'",
                  "options": {
                    "plugins": [
                      "'syntax-dynamic-import'"
                    ],
                    "presets": [
                      [
                        "'@babel/preset-env'",
                        {
                          "'modules'": false
                        }
                      ]
                    ]
                  },
                  "test": "/\\.js$/"
                }
              ]
            },
            "output": {
              "chunkFilename": "'[name].[chunkhash].js'",
              "filename": "'[name].[chunkhash].js'"
            },
            "mode": "'development'",
            "plugins": [
              "new TerserPlugin()"
            ],
            "optimization": {
              "splitChunks": {
                "cacheGroups": {
                  "vendors": {
                    "priority": -10,
                    "test": "/[\\\\/]node_modules[\\\\/]/"
                  }
                },
                "chunks": "'async'",
                "minChunks": 1,
                "minSize": 30000,
                "name": true
              }
            }
          },
          "configName": "config"
        }
      }
    }
};

const runTransform = require('./packages/utils/scaffold').default;
const conf = {
    configFile: null,
    configPath: null,
    config: yoConfig['webpack-cli'].configuration.config
}
runTransform(conf, "init")

console.log(require('fs').readFileSync("./webpack.config.js", 'utf8'));