const {ObjectID} = require('mongodb');
const {mongoose} = require('./../server/db/mongoose');
var {Todo} = require('./../server/models/todo');

Todo.remove({}).then((result) => {
  console.log(result);
})

Todo.findByIdAndRemove('5a20d2583ddedb1c41bda7dc').then((result) => {
  console.log(result);
})