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A hapi plugin that exposes an sns pub/sub service to your toolkit

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hapi-sns

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This Hapi plugin simplifies interaction with Amazon Simple Notification Service (SNS) by providing a convenient way to use the AWS SDK for JavaScript (v3) with Hapi.js applications.

Installation

npm i hapi-sns

Usage

First, register the plugin with your Hapi server:

const Hapi = require('@hapi/hapi')
const SNSPlugin = require('hapi-sns')

const init = async () => {
  const server = Hapi.server({
    port: 3000,
    host: 'localhost'
  })

  await server.register({
    plugin: SNSPlugin,
    options: {
      region: 'us-east-1' // Replace with your desired AWS region
    }
  })

  // Add routes, start server, etc.
}

init()

The plugin will create an instance of SNSAdapter using the provided options and decorate the Hapi server toolkit with the sns property.

Configuration

You can pass the following options when registering the plugin:

region (required) - The AWS region for your SNS resources (e.g., 'us-east-1'). Defaults to us-east-1.

snsClient (optional) - An instance of the AWS SNS client. Defaults to the SNSClient from AWS SDK.

awsAccessKey (optional) - Your AWS access key id.

awsSecretKey (optional) - Your AWS secret key.

Example:

await server.register({
  plugin: SNSPlugin,
  options: {
    region: 'us-east-1',
    snsClient: customSNSClient,
    awsAccessKey: 'your_access_key',
    awsSecretKey: 'your_secret_key'
  }
})

API

The plugin exposes the following method:

publish(topicArn, message, options)

Sends a message to the specified SNS queue.

topicArn (required) - The Amazon Resource Name (ARN) of the target SNS topic.

message (required) - The message to send.

options (optional) - An object containing additional options for the PublishCommand.

Returns a Promise that resolves with the PublishCommand response.

Example

Here's an example of how to use the plugin in your Hapi routes:

server.route({
  method: 'POST',
  path: '/publish',
  handler: async (request, h) => {
    const topicArn = 'arn:aws:sns:us-east-1:123456789012:MyTopic';
    const message = 'Hello, world!';
    const options = { Subject: 'Test Subject' };

    try {
      const response = await h.sns.publish(topicArn, message, options);
      return h.response(response).code(200);
    } catch (error) {
      return h.response(error).code(500);
    }
  },
});

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A hapi plugin that exposes an sns pub/sub service to your toolkit

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