index_example.ts

import express from 'express'
import mongoose from 'mongoose'
const app = express()
const port = 3000

// const { BlogPost } = require('./models')
import {BlogPost} from './models'

async function main() {

  // test1 123
  const conn = await mongoose.connect('mongodb://localhost:27017/my_database')
  console.log('lets go')

  app.use(express.json())

  app.get('/', (req, res) => {
    res.send(`Hello World! ${req.body && req.body.foobar}`)
  })

  app.post('/test', async (req, res) => {
    const result = await BlogPost.find({title: req.body.title})
    res.send(result)
  })

  app.post('/generate', async (req, res) => {
    const bp = new BlogPost({title: 'Zen'});
    await bp.save();
    res.send('ok!')
  })

  app.listen(port, () => {
    console.log(`Example app listening on port ${port}`)
  })

}

;(async () => {
  main()
})()

models.ts

import mongoose from 'mongoose'
const Schema = mongoose.Schema;
const ObjectId = Schema.ObjectId;

const BlogPostSchema = new Schema({
  author: ObjectId,
  title: String,
  body: String,
  date: Date
})

const BlogPost = mongoose.model('BlogPost', BlogPostSchema)

export {BlogPost}