helpers/reach.js

export const reach = (path, data) => {
  if (!data) return;

  const parts = path.split('.');
  let part;
  while (part = parts.shift()) {
    data = data instanceof Set || data instanceof Map ? data.get(part) : data[part];
    if (parts.length > 0 && (typeof data !== 'object' || data === null)) {
      return;
    }
  }
  return data;
}