Create Buckets in s3 with CloudFormation

create_buckets.ts

import * as cdk from 'aws-cdk-lib';
import { CfnOutput } from 'aws-cdk-lib';
import { Bucket, CfnBucket } from 'aws-cdk-lib/aws-s3';
import { Construct } from 'constructs';

class L3Bucket extends Construct {
  constructor(scope: Construct, id: string, expiration: number){
    super(scope, id);

    new Bucket(this, id, {
      lifecycleRules: [{
        expiration: cdk.Duration.days(expiration)
      }]
    });
  }
}

export class CdkStarterStack extends cdk.Stack {
  constructor(scope: Construct, id: string, props?: cdk.StackProps) {
    super(scope, id, props);

    // create an s3 bucket 3 ways:

    // L1 constract
    new CfnBucket(this, 'MyL1Bucket', {
      lifecycleConfiguration: {
        rules: [{
          expirationInDays: 1,
          status: 'Enabled'
        }]
      }
    });

    const duration = new cdk.CfnParameter(this, 'duration', {
      default: 6,
      minValue: 1,
      maxValue: 10,
      type: 'Number'
    })

    // L2 Constract
    const myL2Bucket = new Bucket(this, 'MyL2Bucket', {
      lifecycleRules: [{
        expiration: cdk.Duration.days(duration.valueAsNumber)
      }]
    });
    //console.log('bucket name: ' + myL2Bucket.bucketName)
    new CfnOutput(this, 'MyL2BucketName', {
      value: myL2Bucket.bucketName
    })

    // L3 Constract
    new L3Bucket(this, 'MyL3Bucket', 3);
  }
}