bug-recreation.js

#!/usr/bin/env node
/* eslint-disable import/unambiguous,no-console,no-new */

const dynamoose = require("dynamoose");

dynamoose.AWS.config.update({
  accessKeyId: "dummy",
  secretAccessKey: "dummy",
  region: "eu-west-1"
});

dynamoose.local("http://localhost:8050");

const Cat = dynamoose.model("Cat", {
  id: { type: Number, hashKey: true },
  name: String
});

const seedCats = async () => {
  for (let i = 0; i < 10; ++i) {
    const cat = new Cat({ id: i, name: `Cat ${i}` });
    await cat.save();
  }
};

const getCat = async id =>
  new Promise((res, rej) => {
    Cat.queryOne({ id: { eq: id } })
      .descending()
      .consistent()
      .exec((err, cat) => {
        if (err) {
          rej(err);
          return;
        }
        res(cat);
      });
  });

const listCats = () =>
  new Promise((res, rej) => {
    Cat.scan()
      .consistent()
      .exec((err, cats) => {
        if (err) {
          rej(err);
          return;
        }
        res(cats);
      });
  });

const doWork = async () => {
  console.log("Creating cats...");
  await seedCats();
  console.log("...done");

  console.log("List cats");
  const catList = await listCats();
  let readCats = [];
  for (let i = 0; i < catList.length; i++) {
    readCats.push(await getCat(catList[i].id));
  }
  console.log("...done");

  console.log("Read cats...");
  readCats.forEach(catModel => {
    console.log("id:", catModel.id, "originalId:", catModel.originalItem().id);
  });
};

doWork();