Use node 18

.github/workflows/publish.yaml

@@ -12,7 +12,7 @@ jobs:
     # Setup .npmrc file to publish to npm
     - uses: actions/setup-node@v1
       with:
-        node-version: '16.x'
+        node-version: '18.x'
         registry-url: 'https://registry.npmjs.org'
     - run: npm ci
     - run: npm run build

.github/workflows/test.yaml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [18.x]
 
     steps:
     - uses: actions/checkout@v2

.nvmrc

@@ -1 +1 @@
-16
+18

cdkv2.ts

@@ -23,7 +23,7 @@ export class SesSmtpCredentialsProvider extends Construct {
         this.provider = new customResource.Provider(this, 'ses-smtp-credentials-provider', {
             onEventHandler: new lambda.Function(this, 'ses-smtp-credentials-event', {
                 code: lambda.Code.fromAsset(path.join(__dirname, 'provider')),
-                runtime: lambda.Runtime.NODEJS_16_X,
+                runtime: lambda.Runtime.NODEJS_18_X,
                 handler: 'main.onEvent',
                 timeout: cdk.Duration.minutes(5),
                 initialPolicy: [

package.json

@@ -7,7 +7,7 @@
     "clean": "rm -rf ./lib",
     "build": "npm run clean && npm run compile && npm run compile-provider && cp -R ./provider/build/ ./lib/provider/ && cp package.json README.md ./lib",
     "clean-provider": "rm -rf provider/build/",
-    "compile-provider": "npm run clean-provider && npx esbuild --platform=node --target=node16 --minify-syntax --external:aws-sdk --bundle --outdir=./provider/build ./provider/main.ts",
+    "compile-provider": "npm run clean-provider && npx esbuild --platform=node --target=node18 --minify-syntax --external:@aws-sdk/client-iam --bundle --outdir=./provider/build ./provider/main.ts",
     "lint": "eslint '*.ts' --fix",
     "lint-check": "eslint '*.ts' --max-warnings 0",
     "version": "auto-changelog --hide-credit -p && git add CHANGELOG.md"
@@ -58,7 +58,7 @@
     "@aws-cdk/aws-lambda": "^1.89.0",
     "@aws-cdk/core": "^1.89.0",
     "@aws-cdk/custom-resources": "^1.89.0",
-    "@types/node": "^16.11.68",
+    "@types/node": "^18.19.33",
     "@typescript-eslint/eslint-plugin": "4.8.2",
     "@typescript-eslint/parser": "4.8.2",
     "auto-changelog": "^2.2.1",

provider/main.ts

@@ -5,7 +5,7 @@ import {
     CloudFormationCustomResourceResponse,
     CloudFormationCustomResourceUpdateEvent,
 } from 'aws-lambda';
-import * as AWS from 'aws-sdk';
+import { IAM } from '@aws-sdk/client-iam';
 import * as crypto from 'crypto';
 import * as utf8 from 'utf8';
 
@@ -41,16 +41,15 @@ export const getSmtpPassword = (key: string, region: string) => {
 
 export const onCreate = async (event: CloudFormationCustomResourceCreateEvent): Promise<CloudFormationCustomResourceResponse> => {
     const region = event.ResourceProperties.Region;
-    const iam = new AWS.IAM();
+    const iam = new IAM();
 
     const now = new Date();
     const userName = `ses-user-${now.toISOString().replace('T', '.').replace('Z', '').replace(/:/g, '-')}`;
 
     const user = await iam
         .createUser({
             UserName: userName,
-        })
-        .promise();
+        });
     if (!user.User) {
         throw new Error('No user created');
     }
@@ -66,13 +65,11 @@ export const onCreate = async (event: CloudFormationCustomResourceCreateEvent):
                     Resource: '*',
                 },
             }),
-        })
-        .promise();
+        });
     const accessKey = await iam
         .createAccessKey({
             UserName: user.User.UserName,
-        })
-        .promise();
+        });
     const username = accessKey.AccessKey.AccessKeyId;
     const secretKey = accessKey.AccessKey.SecretAccessKey;
     const password = getSmtpPassword(secretKey, region);
@@ -100,25 +97,22 @@ export const onUpdate = async (event: CloudFormationCustomResourceUpdateEvent):
 };
 
 export const onDelete = async (event: CloudFormationCustomResourceDeleteEvent): Promise<CloudFormationCustomResourceResponse> => {
-    const iam = new AWS.IAM();
+    const iam = new IAM();
     const [username, accessKeyId] = event.PhysicalResourceId.split(/\//);
     await iam
         .deleteAccessKey({
             UserName: username,
             AccessKeyId: accessKeyId,
-        })
-        .promise();
+        });
     await iam
         .deleteUserPolicy({
             UserName: username,
             PolicyName: policyName,
-        })
-        .promise();
+        });
     await iam
         .deleteUser({
             UserName: username,
-        })
-        .promise();
+        });
     return {
         Status: 'SUCCESS',
         RequestId: event.RequestId,