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jk-codertechjk-codertech
committedAug 12, 2024
rollup config for typescript project
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‎.gitignore

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*.js
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!jest.config.js
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*.d.ts
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node_modules
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# CDK asset staging directory
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.cdk.staging
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cdk.out

‎.npmignore

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*.ts
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!*.d.ts
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# CDK asset staging directory
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.cdk.staging
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cdk.out

‎README.md

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# rollup-typescript-aws-serverless
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# Welcome to your CDK TypeScript project
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This is a blank project for CDK development with TypeScript.
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The `cdk.json` file tells the CDK Toolkit how to execute your app.
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## Useful commands
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* `npm run build` compile typescript to js
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* `npm run watch` watch for changes and compile
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* `npm run test` perform the jest unit tests
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* `npx cdk deploy` deploy this stack to your default AWS account/region
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* `npx cdk diff` compare deployed stack with current state
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* `npx cdk synth` emits the synthesized CloudFormation template

‎bin/rollup-typescript-aws-serverless.ts

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#!/usr/bin/env node
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import 'source-map-support/register';
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import * as cdk from 'aws-cdk-lib';
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import { RollupTypescriptAwsServerlessStack } from '../lib/rollup-typescript-aws-serverless-stack';
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const app = new cdk.App();
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new RollupTypescriptAwsServerlessStack(app, 'RollupTypescriptAwsServerlessStack', {
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/* If you don't specify 'env', this stack will be environment-agnostic.
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* Account/Region-dependent features and context lookups will not work,
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* but a single synthesized template can be deployed anywhere. */
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/* Uncomment the next line to specialize this stack for the AWS Account
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* and Region that are implied by the current CLI configuration. */
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// env: { account: process.env.CDK_DEFAULT_ACCOUNT, region: process.env.CDK_DEFAULT_REGION },
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/* Uncomment the next line if you know exactly what Account and Region you
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* want to deploy the stack to. */
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env: { account: '857337530366', region: 'us-east-2' },
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/* For more information, see https://docs.aws.amazon.com/cdk/latest/guide/environments.html */
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});

‎cdk.json

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{
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"app": "npx ts-node --prefer-ts-exts bin/rollup-typescript-aws-serverless.ts",
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"watch": {
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"include": [
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"**"
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],
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"exclude": [
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"README.md",
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"cdk*.json",
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"**/*.d.ts",
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"**/*.js",
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"tsconfig.json",
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"package*.json",
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"yarn.lock",
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"node_modules",
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"test"
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]
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},
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"context": {
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"@aws-cdk/aws-lambda:recognizeLayerVersion": true,
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"@aws-cdk/core:checkSecretUsage": true,
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"@aws-cdk/core:target-partitions": [
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"aws",
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"aws-cn"
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],
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"@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
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"@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
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"@aws-cdk/aws-ecs:arnFormatIncludesClusterName": true,
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"@aws-cdk/aws-iam:minimizePolicies": true,
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"@aws-cdk/core:validateSnapshotRemovalPolicy": true,
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"@aws-cdk/aws-codepipeline:crossAccountKeyAliasStackSafeResourceName": true,
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"@aws-cdk/aws-s3:createDefaultLoggingPolicy": true,
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"@aws-cdk/aws-sns-subscriptions:restrictSqsDescryption": true,
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"@aws-cdk/aws-apigateway:disableCloudWatchRole": true,
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"@aws-cdk/core:enablePartitionLiterals": true,
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"@aws-cdk/aws-events:eventsTargetQueueSameAccount": true,
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"@aws-cdk/aws-ecs:disableExplicitDeploymentControllerForCircuitBreaker": true,
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"@aws-cdk/aws-iam:importedRoleStackSafeDefaultPolicyName": true,
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"@aws-cdk/aws-s3:serverAccessLogsUseBucketPolicy": true,
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"@aws-cdk/aws-route53-patters:useCertificate": true,
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"@aws-cdk/customresources:installLatestAwsSdkDefault": false,
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"@aws-cdk/aws-rds:databaseProxyUniqueResourceName": true,
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"@aws-cdk/aws-codedeploy:removeAlarmsFromDeploymentGroup": true,
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"@aws-cdk/aws-apigateway:authorizerChangeDeploymentLogicalId": true,
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"@aws-cdk/aws-ec2:launchTemplateDefaultUserData": true,
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"@aws-cdk/aws-secretsmanager:useAttachedSecretResourcePolicyForSecretTargetAttachments": true,
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"@aws-cdk/aws-redshift:columnId": true,
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"@aws-cdk/aws-stepfunctions-tasks:enableEmrServicePolicyV2": true,
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"@aws-cdk/aws-ec2:restrictDefaultSecurityGroup": true,
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"@aws-cdk/aws-apigateway:requestValidatorUniqueId": true,
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"@aws-cdk/aws-kms:aliasNameRef": true,
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"@aws-cdk/aws-autoscaling:generateLaunchTemplateInsteadOfLaunchConfig": true,
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"@aws-cdk/core:includePrefixInUniqueNameGeneration": true,
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"@aws-cdk/aws-efs:denyAnonymousAccess": true,
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"@aws-cdk/aws-opensearchservice:enableOpensearchMultiAzWithStandby": true,
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"@aws-cdk/aws-lambda-nodejs:useLatestRuntimeVersion": true,
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"@aws-cdk/aws-efs:mountTargetOrderInsensitiveLogicalId": true,
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"@aws-cdk/aws-rds:auroraClusterChangeScopeOfInstanceParameterGroupWithEachParameters": true,
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"@aws-cdk/aws-appsync:useArnForSourceApiAssociationIdentifier": true,
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"@aws-cdk/aws-rds:preventRenderingDeprecatedCredentials": true,
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"@aws-cdk/aws-codepipeline-actions:useNewDefaultBranchForCodeCommitSource": true,
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"@aws-cdk/aws-cloudwatch-actions:changeLambdaPermissionLogicalIdForLambdaAction": true,
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"@aws-cdk/aws-codepipeline:crossAccountKeysDefaultValueToFalse": true,
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"@aws-cdk/aws-codepipeline:defaultPipelineTypeToV2": true,
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"@aws-cdk/aws-kms:reduceCrossAccountRegionPolicyScope": true,
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"@aws-cdk/aws-eks:nodegroupNameAttribute": true,
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"@aws-cdk/aws-ec2:ebsDefaultGp3Volume": true,
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"@aws-cdk/aws-ecs:removeDefaultDeploymentAlarm": true,
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"@aws-cdk/custom-resources:logApiResponseDataPropertyTrueDefault": false,
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"@aws-cdk/aws-stepfunctions-tasks:ecsReduceRunTaskPermissions": true
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}
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}

‎jest.config.js

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module.exports = {
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testEnvironment: 'node',
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roots: ['<rootDir>/test'],
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testMatch: ['**/*.test.ts'],
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transform: {
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'^.+\\.tsx?$': 'ts-jest'
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}
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};

‎lib/rollup-typescript-aws-serverless-stack.ts

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import * as cdk from 'aws-cdk-lib';
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import { Construct } from 'constructs';
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import * as lambda from 'aws-cdk-lib/aws-lambda';
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import * as dynamodb from 'aws-cdk-lib/aws-dynamodb';
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import * as sqs from 'aws-cdk-lib/aws-sqs';
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import * as lambdaEventSources from 'aws-cdk-lib/aws-lambda-event-sources';
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export class RollupTypescriptAwsServerlessStack extends cdk.Stack {
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constructor(scope: Construct, id: string, props?: cdk.StackProps) {
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super(scope, id, props);
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// Create a DynamoDB table
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const table = new dynamodb.Table(this, 'MyTable', {
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partitionKey: { name: 'messageId', type: dynamodb.AttributeType.STRING },
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removalPolicy: cdk.RemovalPolicy.DESTROY, // NOT recommended for production code
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});
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// Create an SQS queue
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const queue = new sqs.Queue(this, 'MyQueue', {
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visibilityTimeout: cdk.Duration.seconds(30),
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});
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// Create a Lambda function
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const myLambda = new lambda.Function(this, 'MyLambdaFunction', {
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runtime: lambda.Runtime.NODEJS_18_X,
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handler: 'lambdaExample.handler',
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code: lambda.Code.fromAsset('dist'),
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environment: {
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TABLE_NAME: table.tableName,
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},
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});
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// Grant Lambda function permissions to interact with DynamoDB
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table.grantReadWriteData(myLambda);
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// Add SQS as an event source for the Lambda function
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myLambda.addEventSource(new lambdaEventSources.SqsEventSource(queue));
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}
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}
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‎package-lock.json

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‎package.json

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{
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"name": "rollup-typescript-aws-serverless",
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"version": "0.1.0",
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"bin": {
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"rollup-typescript-aws-serverless": "bin/rollup-typescript-aws-serverless.js"
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},
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"scripts": {
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"build": "rollup --config",
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"watch": "tsc -w",
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"test": "jest",
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"cdk": "cdk"
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},
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"devDependencies": {
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"@rollup/plugin-commonjs": "^26.0.1",
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"@rollup/plugin-json": "^6.1.0",
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"@rollup/plugin-node-resolve": "^15.2.3",
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"@rollup/plugin-typescript": "^11.1.6",
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"@types/aws-lambda": "^8.10.143",
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"@types/jest": "^29.5.12",
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"@types/node": "20.14.9",
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"aws-cdk": "2.150.0",
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"jest": "^29.7.0",
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"rollup": "^4.20.0",
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"ts-jest": "^29.1.5",
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"ts-node": "^10.9.2",
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"tslib": "^2.6.3",
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"typescript": "~5.5.3"
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},
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"dependencies": {
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"@aws-sdk/client-dynamodb": "^3.624.0",
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"@aws-sdk/lib-dynamodb": "^3.624.0",
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"aws-cdk-lib": "2.150.0",
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"aws-lambda": "^1.0.7",
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"constructs": "^10.0.0",
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"source-map-support": "^0.5.21"
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}
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}

‎rollup.config.mjs

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import nodeResolve from "@rollup/plugin-node-resolve";
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import json from "@rollup/plugin-json";
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import commonjs from "@rollup/plugin-commonjs";
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import typescript from "@rollup/plugin-typescript";
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export default {
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input: 'src/lambdaExample.ts',
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output: {
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dir: './dist',
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format: 'cjs'
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},
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plugins: [
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nodeResolve({exportConditions: ["node"]}),
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commonjs(),
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json(),
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typescript({tsconfig: './tsconfig.json'})
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]
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};

‎src/lambdaExample.ts

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import { SQSEvent, SQSHandler } from 'aws-lambda';
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import { DynamoDB } from '@aws-sdk/client-dynamodb';
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import { DynamoDBDocument } from '@aws-sdk/lib-dynamodb';
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const client = new DynamoDB({});
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const dynamoDb = DynamoDBDocument.from(client);
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const tableName = process.env.TABLE_NAME!;
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export const handler: SQSHandler = async (event: SQSEvent) => {
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for (const record of event.Records) {
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const messageId = record.messageId;
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const body = record.body;
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// Check if the message already exists in DynamoDB
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const existingItem = await dynamoDb.get({
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TableName: tableName,
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Key: { messageId },
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});
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if (existingItem.Item) {
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console.log(`Message with ID ${messageId} already exists. Ignoring.`);
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continue;
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}
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// Store the message in DynamoDB
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await dynamoDb.put({
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TableName: tableName,
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Item: { messageId, body },
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});
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console.log(`Message with ID ${messageId} stored successfully.`);
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}
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};

‎test/rollup-typescript-aws-serverless.test.ts

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// import * as cdk from 'aws-cdk-lib';
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// import { Template } from 'aws-cdk-lib/assertions';
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// import * as RollupTypescriptAwsServerless from '../lib/rollup-typescript-aws-serverless-stack';
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// example test. To run these tests, uncomment this file along with the
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// example resource in lib/rollup-typescript-aws-serverless-stack.ts
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test('SQS Queue Created', () => {
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// const app = new cdk.App();
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// // WHEN
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// const stack = new RollupTypescriptAwsServerless.RollupTypescriptAwsServerlessStack(app, 'MyTestStack');
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// // THEN
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// const template = Template.fromStack(stack);
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// template.hasResourceProperties('AWS::SQS::Queue', {
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// VisibilityTimeout: 300
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// });
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});

‎tsconfig.json

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{
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"compilerOptions": {
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"target": "ES2020",
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"module": "commonjs",
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//"module": "esnext", use it when running typescript lambda code , otherwise this tsconfig for cdk is making sense
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//"moduleResolution": "node",
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"lib": [
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"es2020",
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"dom"
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],
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"declaration": false,
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"strict": true,
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"noImplicitAny": true,
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"strictNullChecks": true,
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"noImplicitThis": true,
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"alwaysStrict": true,
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"noUnusedLocals": false,
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"noUnusedParameters": false,
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"noImplicitReturns": true,
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"noFallthroughCasesInSwitch": false,
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"inlineSourceMap": true,
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"inlineSources": true,
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"experimentalDecorators": true,
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"strictPropertyInitialization": false,
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"typeRoots": [
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"./node_modules/@types"
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]
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},
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"exclude": [
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"node_modules",
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"cdk.out"
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]
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}

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