This is extended dookie added support for some custom requirements
Dookie lets you write MongoDB test fixtures in JSON or YAML with extra syntactic sugar (extended JSON, variables, imports, inheritance, etc.).
Note: Dookie requires Node >= 4.0.0. Dookie is not tested with nor expected to work with Node 0.x or io.js.
to see the main project please visit this link https://www.npmjs.com/package/dookie