// @flow import React from 'react'; type Props = { children: string, }; export default function ErrorText(props: Props) { const { children } = props; if (!children) { return null; } // Add a period to the end of error messages let errorMessage = children[0].toUpperCase() + children.slice(1); errorMessage = errorMessage.endsWith('.') ? errorMessage : `${errorMessage}.`; return {errorMessage}; }