How to use @azure/cosmos

// client.getDatabaseAccount().then((result)=> console.log(result));

async function createDatabase(database) {
  // make sure to scope return type to database
  const { database: db } = await client.databases.createIfNotExists({ id: database });
  this.db = db;
  console.log("created db");
}

async function offerDetails() {
  const { result: offers } = await client.offers.readAll().toArray();
  _.map(offers, function (item) { console.log(item.resource + " -> " + item.content.offerThroughput) });
}

// static methods used at the class level
 static async find() {
  // query to return all items
  const querySpec = {
   query: 'SELECT * FROM root r WHERE r.country = @country',
   parameters: [
    {
     name: '@country',
     value: 'usa'
    }
   ]
  }

  const { resources: results } = await container.items.query(querySpec).fetchAll();
  return results;
 }

client.getWriteEndpoint().then((result) => console.log("Write Endpoint => "+result));

client.getReadEndpoint().then((result) => console.log("Read Endpoint => "+result));