src/abstract-syntax-tree.js
function get(resource, path) {
  const [head, ...tail] = path.split('.');

  return resource && head ? get(resource[head], tail.join('.')) : resource;
}
function get(resource, path) {
  const [head, ...tail] = path.split('.');

  return resource && head ? get(resource[head], tail.join('.')) : resource;
}
function get ( resource , path ) { const [ head , ... tail ] = path . split ( '.' ) ; return resource && head ? get ( resource [ head ] , tail . join ( '.' ) ) : resource ; }
Get object deep propery
@return {Function} compiled node
@private
Get object deep propery