custom-app/dhcc-app-dll/node_modules/semantic-ui-react/src/addons/MountNode/lib/getNodeRefFromProps.js

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import _ from 'lodash'
import { isBrowser, isRefObject } from '../../../lib'

const toRef = _.memoize(node => ({ current: node }))

/**
 * Given `this.props`, return a `node` value or undefined.
 *
 * @param {object|React.RefObject} props Component's props
 * @return {React.RefObject|undefined}
 */
const getNodeRefFromProps = (props) => {
  const { node } = props

  if (isBrowser()) {
    if (isRefObject(node)) return node
    return _.isNil(node) ? toRef(document.body) : toRef(node)
  }
}

export default getNodeRefFromProps