chore(csharp): update nodejs version to 20.x

.github/workflows/build-pull-request.yml

@@ -105,6 +105,7 @@ jobs:
           # ts will use the one from the particular cdk app
           if [[ ${{ matrix.language }} != 'typescript' ]]; then
             npm install -g aws-cdk
+            npx cdk --version
           fi
 
           # Run the build_file function in parallel for each project to be built

csharp/my-widget-service/src/MyWidgetService/MyWidgetService.csproj

@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.CDK.Lib" Version="2.0.0" />
-    <PackageReference Include="Constructs" Version="10.0.0" />
+    <PackageReference Include="Amazon.CDK.Lib" Version="2.143.0" />
+    <PackageReference Include="Constructs" Version="10.0" />
   </ItemGroup>
 
 </Project>

csharp/my-widget-service/src/MyWidgetService/MyWidgetServiceStack.cs

@@ -14,7 +14,7 @@ public MyWidgetServiceStack(Construct parent, string id, IStackProps props) : ba
             var bucket = new Bucket(this, "WidgetStore");
 
             var handler = new Function(this, "WidgetHandler", new FunctionProps {
-                Runtime = Runtime.NODEJS_10_X,
+                Runtime = Runtime.NODEJS_20_X,
                 Code = Code.FromAsset("src/MyWidgetService/resources"),
                 Handler = "widgets.main",
                 Environment = new Dictionary<string, string>{

csharp/my-widget-service/src/MyWidgetService/resources/widgets.js

@@ -1,5 +1,5 @@
-const AWS = require('aws-sdk');
-const S3 = new AWS.S3();
+const { S3 } = require("@aws-sdk/client-s3");
+const s3 = new S3();
 
 const bucketName = process.env.BUCKET;
 
@@ -12,7 +12,7 @@ exports.main = async function(event, context) {
     if (method === "GET") {
       // GET / to get the names of all widgets
       if (event.path === "/") {
-        const data = await S3.listObjectsV2({ Bucket: bucketName }).promise();
+        const data = await s3.listObjectsV2({ Bucket: bucketName });
         var body = {
           widgets: data.Contents.map(function(e) { return e.Key })
         };
@@ -25,8 +25,8 @@ exports.main = async function(event, context) {
 
       if (widgetName) {
         // GET /name to get info on widget name
-        const data = await S3.getObject({ Bucket: bucketName, Key: widgetName}).promise();
-        var body = data.Body.toString('utf-8');
+        const data = await s3.getObject({ Bucket: bucketName, Key: widgetName});
+        var body = await data.Body.transformToString();
 
         return {
           statusCode: 200,
@@ -53,12 +53,12 @@ exports.main = async function(event, context) {
 
       var base64data = new Buffer(data, 'binary');
 
-      await S3.putObject({
+      await s3.putObject({
         Bucket: bucketName,
         Key: widgetName,
         Body: base64data,
         ContentType: 'application/json'
-      }).promise();
+      });
 
       return {
         statusCode: 200,
@@ -78,9 +78,9 @@ exports.main = async function(event, context) {
         };
       }
 
-      await S3.deleteObject({
+      await s3.deleteObject({
         Bucket: bucketName, Key: widgetName
-      }).promise();
+      });
 
       return {
         statusCode: 200,

csharp/random-writer/src/RandomWriter/RandomWriter.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.CDK.Lib" Version="2.0.0" />
+    <PackageReference Include="Amazon.CDK.Lib" Version="2.143.0" />
     <PackageReference Include="Constructs" Version="10.0.0" />
   </ItemGroup>
 

csharp/random-writer/src/RandomWriter/RandomWriterStack.cs

@@ -40,7 +40,7 @@ public RandomWriter(Construct scope, string id): base(scope, id)
 
             Function = new Function(this, "Lambda", new FunctionProps
             {
-                Runtime = Runtime.NODEJS_10_X,
+                Runtime = Runtime.NODEJS_20_X,
                 Handler = "index.handler",
                 Code = Code.FromAsset("src/RandomWriter/resources"),
                 Environment = new Dictionary<string, string>

csharp/random-writer/src/RandomWriter/resources/index.js

@@ -1,4 +1,4 @@
-const { DynamoDB } = require('aws-sdk');
+const { DynamoDB } = require('@aws-sdk/client-dynamodb');
 const crypto = require('crypto');
 
 /**
@@ -22,5 +22,5 @@ exports.handler = async function handler(event, context) {
     Item: {
       ID: { S: id }
     }
-  }).promise();
+  });
 };