DynamoDB Schema Wizard

Description

Allows you to replicate DynamoDB tables from AWS account to the dynamodb-local.

API Docs

As there're very few files, please read JSDoc.

Example

scripts/exportDynamoDBSchemas.js

require('dotenv').config();

const { exportSchemasToFile } = require('dynamodb-schema-wizard');

const tables = Object.entries(process.env)
  .map(([key, value]) => (key.endsWith('_DYNAMODB_TABLE') ? value : null))
  .filter(i => i);

exportSchemasToFile(tables, `${__dirname}/../dynamodb-schema.json`);

src/aws-sdk.js

// eslint-disable-next-line import/no-extraneous-dependencies
const AWS = require('aws-sdk');

if (process.env.NODE_ENV !== 'production') {
  AWS.config.update({
    endpoint: 'http://localhost:8000'
  });
}

module.exports = AWS;

setupTestEnvironment.js

/* eslint-disable import/no-extraneous-dependencies */
require('dotenv').config();
const { createTables } = require('dynamodb-schema-wizard');
const AWS = require('./src/aws-sdk');
const dynamodbSchema = require('./dynamodb-schema.json');

const globalSetup = async globalConfig => {
  await createTables(new AWS.DynamoDB(), dynamodbSchema);
};

module.exports = globalSetup;

jest.config.js

module.exports = {
  globalSetup: './setupTestEnvironment.js'
};

.env

SOME_DYNAMODB_TABLE=sometable
ANOTHER_DYNAMODB_TABLE=someanothertable