grapesjs/docs/.vuepress/enhanceApp.js

// We can use this hook to install additional Vue plugins, register global components, or add additional router hooks
module.exports = ({
  Vue, // the version of Vue being used in the VuePress app
  options, // the options for the root Vue instance
  router, // the router instance for the app
  siteData, // site metadata
}) => {
  // ...apply enhancements to the app
};