seed.js

const mongoose = require('mongoose');
const Blog = require('./models/blog');
const config = require('./utils/config');
const uri = config.MONGODB_URI;
console.log(uri);
main().catch((err) => console.log(err));
async function main() {
  await mongoose.connect(uri);
  console.log('Mongo connection open');
}

const initialBlogs = [
  {
    _id: '5a422a851b54a676234d17f7',
    title: 'React patterns',
    author: 'Michael Chan',
    url: 'https://reactpatterns.com/',
    likes: 7,
    __v: 0,
  },
  {
    _id: '5a422aa71b54a676234d17f8',
    title: 'Go To Statement Considered Harmful',
    author: 'Edsger W. Dijkstra',
    url: 'http://www.u.arizona.edu/~rubinson/copyright_violations/Go_To_Considered_Harmful.html',
    likes: 5,
    __v: 0,
  },
  {
    _id: '5a422b3a1b54a676234d17f9',
    title: 'Canonical string reduction',
    author: 'Edsger W. Dijkstra',
    url: 'http://www.cs.utexas.edu/~EWD/transcriptions/EWD08xx/EWD808.html',
    likes: 12,
    __v: 0,
  },
  {
    _id: '5a422b891b54a676234d17fa',
    title: 'First class tests',
    author: 'Robert C. Martin',
    url: 'http://blog.cleancoder.com/uncle-bob/2017/05/05/TestDefinitions.htmll',
    likes: 10,
    __v: 0,
  },
  {
    _id: '5a422ba71b54a676234d17fb',
    title: 'TDD harms architecture',
    author: 'Robert C. Martin',
    url: 'http://blog.cleancoder.com/uncle-bob/2017/03/03/TDD-Harms-Architecture.html',
    likes: 0,
    __v: 0,
  },
  {
    _id: '5a422bc61b54a676234d17fc',
    title: 'Type wars',
    author: 'Robert C. Martin',
    url: 'http://blog.cleancoder.com/uncle-bob/2016/05/01/TypeWars.html',
    likes: 2,
    __v: 0,
  },
];
const reseed = async () => {
  await Blog.deleteMany({});
  const blogObjects = initialBlogs.map((blog) => new Blog(blog));
  const promiseArray = blogObjects.map((blog) => blog.save());
  await Promise.all(promiseArray);
};

reseed();