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AWS SDK for JavaScript (v3) code examples

Overview

The code examples in this topic show you how to use the AWS SDK for JavaScript (v3) with AWS.

The AWS SDK for JavaScript (v3) provides a JavaScript API for AWS infrastructure services. Using the SDK, you can build applications on top of Amazon S3, Amazon EC2, Amazon DynamoDB, and more.

Types of code examples

  • Single-service actions - Code examples that show you how to call individual service functions.

  • Single-service scenarios - Code examples that show you how to accomplish a specific task by calling multiple functions within the same service.

  • Cross-service examples - Sample applications that work across multiple AWS services.

Find code examples

Single-service actions and scenarios are organized by AWS service in the example_code folder. A README in each folder lists and describes how to run the examples.

Cross-service examples are located in the cross-services folder. A README in each folder describes how to run the example.

⚠️ Important

  • Running this code might result in charges to your AWS account.
  • Running the tests might result in charges to your AWS account.
  • We recommend that you grant your code the least privilege. At most, grant only the minimum permissions required to perform the task. For more information, see Grant least privilege.
  • This code is not tested in every AWS Region. For more information, see AWS Regional Services.

Prerequisites

  • Install the latest stable version of Node.js.
  • Set up a shared configuration file with your credentials. For more information, see the AWS SDK for JavaScript (v3) Developer Guide.
  • Install dependencies by running npm i from the same path as this document.

Tests

Note: Running the tests might result in charges to your AWS account.

You can run tests for a specific service, or for every service in this repository. Choose whether to run unit tests, integration tests, or both.

  • To run unit tests, use the following command:

    npm test

  • To run integration tests, use the following command:

    npm run integration-test

  • To run tests for a specific service, follow the instructions in the service's README.

Output

If you run tests using the preceding commands, output will be stored in unit_test.log or integration_test.log. Errors are still logged to the console.

Linting

You can run Biome to statically check for errors.

To run Biome, use the following command: npm run ci-lint

Docker image (Beta)

This example is available in a container image hosted on Amazon Elastic Container Registry (ECR). This image will be pre-loaded with all JavaScript v3 examples with dependencies pre-resolved. It is used for running tests.

Build the Docker image

  1. Install and run Docker on your machine.
  2. Navigate to the root directory of this repository.
  3. Run docker build -t <image_name> -f javascriptv3/Dockerfile . and replace <image_name> with a name for the image.

Launch the Docker container

  1. Run docker run -it -v /Users/corepyle/.aws/credentials:/home/automation/.aws/credentials <image_name>. -it launches an interactive terminal. -v ~/.aws... is optional but recommended. It will mount your local credentials file to the container.
  2. The Dockerfile is configured to automatically run integration tests when the container is run.

Contribute

Contributions are welcome. To increase the likelihood of your contribution being accepted, please adhere to the JavaScript standards

Create tests

Every example should be covered by an integration test. Each integration test must run the example and verify that it ran correctly.

Configure Visual Studio Code (VS Code)

Biome

To configure Biome in VS Code, follow the instructions here: https://biomejs.dev/guides/getting-started/

Additional resources

Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: Apache-2.0