analytics/assets/js/dashboard/stats/sources/index.js

import React from 'react';
import SearchTerms from './search-terms'
import SourceList from './source-list'
import ReferrerList from './referrer-list'

export default function Sources(props) {
  if (props.query.filters.source === 'Google') {
    return <SearchTerms {...props} />
  } else if (props.query.filters.source) {
    return <ReferrerList {...props} />
  } else  {
    return <SourceList {...props} />
  }
}