official_revision/vue.config.js

const webpack = require("webpack");
const path = require("path");
const CKEditorWebpackPlugin = require("@ckeditor/ckeditor5-dev-webpack-plugin");
const { styles } = require("@ckeditor/ckeditor5-dev-utils");

module.exports = {
  configureWebpack: {
    plugins: [
      new webpack.ProvidePlugin({
        $: "cash-dom"
      }),
      new CKEditorWebpackPlugin({
        language: "en",
        translationsOutputFile: /app/
      })
    ]
  },
  transpileDependencies: [/ckeditor5-[^/\\]+[/\\]src[/\\].+\.js$/],
  chainWebpack: config => {
    const svgRule = config.module.rule("svg");
    svgRule.exclude.add(path.join(__dirname, "node_modules", "@ckeditor"));
    config.module
      .rule("cke-svg")
      .test(/ckeditor5-[^/\\]+[/\\]theme[/\\]icons[/\\][^/\\]+\.svg$/)
      .use("raw-loader")
      .loader("raw-loader");

    config.module
      .rule("cke-css")
      .test(/ckeditor5-[^/\\]+[/\\].+\.css$/)
      .use("postcss-loader")
      .loader("postcss-loader")
      .tap(() => {
        return styles.getPostCssConfig({
          themeImporter: {
            themePath: require.resolve("@ckeditor/ckeditor5-theme-lark")
          },
          minify: true
        });
      });
  }
};