BabelHelpers is not defined

I am prompted for missing mapv and maptalks after using react-bmap
to install. After I have installed these two plug-ins, the
code reported this error

.

clipboard.png
ask for information about what is it or can give a good solution
I have spent a hundred years, but there is no clear solution on the Internet

Mar.19,2021

import babel from 'rollup-plugin-babel';
export default {
/.
plugins: [

babel({
  exclude: 'node_modules/**',
  plugins: ['external-helpers']
}),

]
}
issues: https://github.com/storybooks.

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