message: export assetPrefix from doc-components/_utils.js
diff: import getConfig from 'next/config'
  -export const assetPath = `${getConfig().publicRuntimeConfig.assetPrefix || ''}/static/assets/`
  +export const assetPrefix = getConfig().publicRuntimeConfig.assetPrefix || ''
  +export const assetPath = `${assetPrefix}/static/assets/`
  export function getAssetPath(path) {
  return `${assetPath}${path}`
  