extractNodeText

export function extractNodeText(node) {
  if (typeof node === 'string') return node;

  if (React.isValidElement(node)) {
    const { messageKey, messagesMap } = node.props;

    if (messageKey && messagesMap) {
      return messagesMap[messageKey];
    }

    return node.innerText;
  }

  return null;
}