optimization.webpack.js

    optimization: {
        splitChunks: {
            cacheGroups: {
                editor: {
                    // Editor bundle
                    test: /[\\/]node_modules\/(monaco-editor\/esm\/vs\/(nls\.js|editor|platform|base|basic-languages|language\/(css|html|json|typescript)\/monaco\.contribution\.js)|style-loader\/lib|css-loader\/lib\/css-base\.js)/,
                    name: "monaco-editor",
                    chunks: "async"
                },
                languages: {
                    // Language bundle
                    test: /[\\/]node_modules\/monaco-editor\/esm\/vs\/language\/(css|html|json|typescript)\/(_deps|lib|fillers|languageFeatures\.js|workerManager\.js|tokenization\.js|(tsMode|jsonMode|htmlMode|cssMode)\.js|(tsWorker|jsonWorker|htmlWorker|cssWorker)\.js)/,
                    name: "monaco-languages",
                    chunks: "async"
                }
            }
        }
    }