gistfile1.txt

export function flattenMessages(nestedMessages, prefix = '') {
  return Object.keys(nestedMessages).reduce((messages, key) => {
  const value       = nestedMessages[key];
  const prefixedKey = prefix ? `${prefix}.${key}` : key;
  if (typeof value === 'string') {
    messages[prefixedKey] = value;
  } else {
    Object.assign(messages, flattenMessages(value, prefixedKey));
  }
  return messages;
  }, {});
}