Get a nested value from an object

get-nested-value.js

/**
 * Get a nested object value by path.
 *
 * @example
 *   var obj = {foo: {bar: 'baz'}};
 *   getNestedValue(obj, 'foo.bar'); // returns 'baz'
 *
 * @param  {Object} obj  The nested object.
 * @param  {String} path The object path.
 * @return {any}         The object value at the specified path.
 */
export const getNestedValue = (obj, path) =>
  path.split('.').reduce((nested, key) => nested && nested[key], obj);