carbon/components/SpinnerWrapper.js

import React from 'react'
import Spinner from 'react-spinner'

export default function SpinnerWrapper(props) {
  const [loading, setLoading] = React.useState(true)

  React.useEffect(() => {
    setLoading(false)
  }, [])

  if (loading) {
    return (
      <div>
        <Spinner />
        <style jsx>
          {`
            div {
              height: 160px;
            }
          `}
        </style>
      </div>
    )
  }

  return props.children
}