babel polyfill


```typeentry: {    pano: ['babel-polyfill', './js/pano.js'],    video: ['babel-polyfill', './js/video.js']  },```

[babel fetch polyfill](https://texonom.com/babel-fetch-polyfill-c41c603ea786462890ba06fbfc66d98b)


[babel globalThis polyfill](https://texonom.com/babel-globalthis-polyfill-c529c06efa304e9fb68412b70b922af2)

> Uncaught ReferenceError: regeneratorRuntime is not defined


async await for
> [Uncaught ReferenceError: regeneratorRuntime is not defined](https://likejirak.tistory.com/56)





