From 67d96780461dc10429e1eff071c952a8c31ec8fe Mon Sep 17 00:00:00 2001
From: Javy de Koning <javydekoning+github@gmail.com>
Date: Fri, 19 Apr 2024 13:05:11 +0200
Subject: [PATCH] Moving CDK example app to latest CDK version (#706)

* Moving CDK example app to latest CDK version

* Update samples/sample-cdk-app/index.ts

---------

Co-authored-by: Javy de Koning
Co-authored-by: Stewart Wallace
Co-authored-by: Simon Kok
---
 samples/sample-cdk-app/.gitignore   |  3 +++
 samples/sample-cdk-app/cdk.json     |  2 +-
 samples/sample-cdk-app/index.ts     | 16 +++++++---------
 samples/sample-cdk-app/package.json | 12 +++++-------
 4 files changed, 16 insertions(+), 17 deletions(-)
 create mode 100644 samples/sample-cdk-app/.gitignore

diff --git a/samples/sample-cdk-app/.gitignore b/samples/sample-cdk-app/.gitignore
new file mode 100644
index 000000000..0f75ae9fd
--- /dev/null
+++ b/samples/sample-cdk-app/.gitignore
@@ -0,0 +1,3 @@
+cdk.out/
+node_modules/
+package-lock.json
diff --git a/samples/sample-cdk-app/cdk.json b/samples/sample-cdk-app/cdk.json
index cc2ccbdf8..704347f28 100644
--- a/samples/sample-cdk-app/cdk.json
+++ b/samples/sample-cdk-app/cdk.json
@@ -1,3 +1,3 @@
 {
-    "app": "node index"
+    "app": "npx ts-node --prefer-ts-exts index.ts"
 }
diff --git a/samples/sample-cdk-app/index.ts b/samples/sample-cdk-app/index.ts
index 27c7272a6..dbb030778 100644
--- a/samples/sample-cdk-app/index.ts
+++ b/samples/sample-cdk-app/index.ts
@@ -1,15 +1,13 @@
 // Copyright Amazon.com Inc. or its affiliates.
 // SPDX-License-Identifier: Apache-2.0
 
-import events = require('@aws-cdk/aws-events');
-import targets = require('@aws-cdk/aws-events-targets');
-import lambda = require('@aws-cdk/aws-lambda');
-import cdk = require('@aws-cdk/core');
+import { App, Stack, Duration } from 'aws-cdk-lib';
+import { aws_lambda as lambda, aws_events as events, aws_events_targets as targets } from 'aws-cdk-lib';
 
 import fs = require('fs');
 
-export class LambdaCronStack extends cdk.Stack {
-  constructor(app: cdk.App, id: string) {
+export class LambdaCronStack extends Stack {
+  constructor(app: App, id: string) {
     super(app, id);
 
     const lambdaFn = new lambda.Function(this, 'Singleton', {
@@ -17,8 +15,8 @@ export class LambdaCronStack extends cdk.Stack {
         fs.readFileSync('handler.py', { encoding: 'utf-8' }),
       ),
       handler: 'index.main',
-      timeout: cdk.Duration.seconds(300),
-      runtime: lambda.Runtime.PYTHON_3_8
+      timeout: Duration.seconds(300),
+      runtime: lambda.Runtime.PYTHON_3_12
     });
     // Run every day at 6PM UTC
     // See https://docs.aws.amazon.com/lambda/latest/dg/tutorial-scheduled-events-schedule-expressions.html
@@ -29,6 +27,6 @@ export class LambdaCronStack extends cdk.Stack {
   }
 }
 
-const app = new cdk.App();
+const app = new App();
 new LambdaCronStack(app, 'LambdaCronExample');
 app.synth();
diff --git a/samples/sample-cdk-app/package.json b/samples/sample-cdk-app/package.json
index 66c02855c..8602debca 100644
--- a/samples/sample-cdk-app/package.json
+++ b/samples/sample-cdk-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lambda-cron",
-  "version": "0.23.0",
+  "version": "0.24.0",
   "description": "Running a Lambda on a schedule",
   "private": true,
   "scripts": {
@@ -15,13 +15,11 @@
   },
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/node": "^8.10.38",
-    "typescript": "^3.2.4"
+    "@types/node": "^20.0.0",
+    "typescript": "^5.4.4"
   },
   "dependencies": {
-    "@aws-cdk/aws-events": "*",
-    "@aws-cdk/aws-events-targets": "*",
-    "@aws-cdk/aws-lambda": "*",
-    "@aws-cdk/core": "*"
+    "aws-cdk-lib": "^2.135.0",
+    "constructs": "^10.3.0"
   }
 }