delete.js

import * as dynamoDbLib from './libs/dynamodb-lib'
import { success, failure } from './libs/response-lib'

export async function main(event, context, callback) {
  const params = {
    TableName: 'notes',
    // 'Key' defines the partition key and sort key of the item to be removed
    // - 'userId': Identity Pool identity id of the authenticated user
    // - 'noteId': path parameter
    Key: {
      userId: event.requestContext.identity.cognitoIdentityId,
      noteId: event.pathParameters.id
    }
  }

  try {
    const result = await dynamoDbLib.call('delete', params)
    callback(null, success({ status: true, result }))
  } catch (e) {
    callback(null, failure({ status: false }))
  }
}