list-tables.js

const {
  DynamoDBClient,
  ListTablesCommand,
} = require("@aws-sdk/client-dynamodb")
;(async () => {
  const config = {
    region: process.env.REGION,
    credentials: {
      accessKeyId: process.env.AWS_KEY,
      secretAccessKey: process.env.AWS_SECRET,
    },
  }
  const client = new DynamoDBClient(config)
  const command = new ListTablesCommand({})
  try {
    const results = await client.send(command)
    console.log(results.TableNames.join("\n"))
  } catch (err) {
    console.error(err)
  }
})()