@softchef/cdk-iot-device-management/lambda-assets/thing-groups/list-things-in-thing-group/app.ts

IoT device management is composed of things, thing types, thing groups, jobs, files API services. The constructs can be used independently, that are based on full-managed service to create an API Gateway & Lambda function.

import {
  IoTClient,
  ListThingsInThingGroupCommand,
  ListThingsInThingGroupCommandInput,
} from '@aws-sdk/client-iot';
import {
  Request,
  Response,
} from '@softchef/lambda-events';
import { AwsError } from '../../constracts';

export async function handler(event: { [key: string]: any }) {
  const request = new Request(event);
  const response = new Response();
  try {
    const parameters: ListThingsInThingGroupCommandInput = {
      thingGroupName: request.parameter('thingGroupName'),
    };
    if (request.has('nextToken')) {
      parameters.nextToken = request.get('nextToken');
    };
    const iotClient = new IoTClient({});
    const { things, nextToken } = await iotClient.send(
      new ListThingsInThingGroupCommand(parameters),
    );
    return response.json({
      things: things,
      nextToken: nextToken,
    });
  } catch (error) {
    if ((error as AwsError).Code === 'ResourceNotFoundException') {
      return response.error(error, 404);
    } else {
      return response.error(error);
    }
  }
}