aws-delivlib module includes both .ts and .d.ts files, causing failures when ts-node's `--prefer-ts-exts` flag is set

[tneely]

I'm not sure whether this is a bug with aws-delivlib specifically or more an issue with ts-node, but deploying a CDK app using aws-delivlib with npx ts-node --prefer-ts-exts bin/app.ts returns a Cannot use import statement outside a module syntax error.

As a workaround, you can just remove the --prefer-ts-exts flag: npx ts-node bin/app.ts.

A similar issue came up in the main aws-cdk library a few months back: aws/aws-cdk#13795

Here's the full command output:

 $ cdk deploy --app "npx ts-node --prefer-ts-exts src/app.ts" -v
CDK toolkit version: 1.126.0 (build f004e1a)
Command line arguments: {
  _: [ 'deploy' ],
  app: 'npx ts-node --prefer-ts-exts src/app.ts',
  a: 'npx ts-node --prefer-ts-exts src/app.ts',
  v: 1,
  verbose: 1,
  lookups: true,
  'ignore-errors': false,
  ignoreErrors: false,
  json: false,
  j: false,
  debug: false,
  ec2creds: undefined,
  i: undefined,
  'version-reporting': undefined,
  versionReporting: undefined,
  'path-metadata': true,
  pathMetadata: true,
  'asset-metadata': true,
  assetMetadata: true,
  'role-arn': undefined,
  r: undefined,
  roleArn: undefined,
  staging: true,
  'no-color': false,
  noColor: false,
  all: false,
  'build-exclude': [],
  E: [],
  buildExclude: [],
  ci: false,
  execute: true,
  force: false,
  f: false,
  parameters: [ {} ],
  'previous-parameters': true,
  previousParameters: true,
  '$0': 'cdk'
}
cdk.json: {
  "app": "npx ts-node --prefer-ts-exts src/app.ts",
  "context": {
    "@aws-cdk/aws-apigateway:usagePlanKeyOrderInsensitiveId": "true",
    "@aws-cdk/core:enableStackNameDuplicates": "true",
    "aws-cdk:enableDiffNoFail": "true",
    "@aws-cdk/core:stackRelativeExports": "true",
    "@aws-cdk/aws-ecr-assets:dockerIgnoreSupport": "true",
    "@aws-cdk/aws-secretsmanager:parseOwnedSecretName": "true",
    "@aws-cdk/aws-kms:defaultKeyPolicies": "true",
    "@aws-cdk/aws-s3:grantWriteWithoutAcl": "true",
    "@aws-cdk/aws-ecs-patterns:removeDefaultDesiredCount": "true",
    "@aws-cdk/aws-rds:lowercaseDbIdentifier": "true",
    "@aws-cdk/aws-efs:defaultEncryptionAtRest": "true",
    "@aws-cdk/core:newStyleStackSynthesis": "true"
  },
  "//": "~~ Generated by projen. To modify, edit .projenrc.js and run \"npx projen\"."
}
merged settings: {
  versionReporting: true,
  pathMetadata: true,
  output: 'cdk.out',
  app: 'npx ts-node --prefer-ts-exts src/app.ts',
  context: {
    '@aws-cdk/aws-apigateway:usagePlanKeyOrderInsensitiveId': 'true',
    '@aws-cdk/core:enableStackNameDuplicates': 'true',
    'aws-cdk:enableDiffNoFail': 'true',
    '@aws-cdk/core:stackRelativeExports': 'true',
    '@aws-cdk/aws-ecr-assets:dockerIgnoreSupport': 'true',
    '@aws-cdk/aws-secretsmanager:parseOwnedSecretName': 'true',
    '@aws-cdk/aws-kms:defaultKeyPolicies': 'true',
    '@aws-cdk/aws-s3:grantWriteWithoutAcl': 'true',
    '@aws-cdk/aws-ecs-patterns:removeDefaultDesiredCount': 'true',
    '@aws-cdk/aws-rds:lowercaseDbIdentifier': 'true',
    '@aws-cdk/aws-efs:defaultEncryptionAtRest': 'true',
    '@aws-cdk/core:newStyleStackSynthesis': 'true'
  },
  '//': '~~ Generated by projen. To modify, edit .projenrc.js and run "npx projen".',
  debug: false,
  assetMetadata: true,
  toolkitBucket: {},
  staging: true,
  bundlingStacks: [ '*' ],
  lookups: true
}
Determining if we're on an EC2 instance.
Does not look like an EC2 instance.
Toolkit stack: CDKToolkit
Setting "CDK_DEFAULT_REGION" environment variable to us-west-2
Resolving default credentials
Retrieved account ID 123456789012 from disk cache
Setting "CDK_DEFAULT_ACCOUNT" environment variable to 123456789012
context: {
  '@aws-cdk/aws-apigateway:usagePlanKeyOrderInsensitiveId': 'true',
  '@aws-cdk/core:enableStackNameDuplicates': 'true',
  'aws-cdk:enableDiffNoFail': 'true',
  '@aws-cdk/core:stackRelativeExports': 'true',
  '@aws-cdk/aws-ecr-assets:dockerIgnoreSupport': 'true',
  '@aws-cdk/aws-secretsmanager:parseOwnedSecretName': 'true',
  '@aws-cdk/aws-kms:defaultKeyPolicies': 'true',
  '@aws-cdk/aws-s3:grantWriteWithoutAcl': 'true',
  '@aws-cdk/aws-ecs-patterns:removeDefaultDesiredCount': 'true',
  '@aws-cdk/aws-rds:lowercaseDbIdentifier': 'true',
  '@aws-cdk/aws-efs:defaultEncryptionAtRest': 'true',
  '@aws-cdk/core:newStyleStackSynthesis': 'true',
  'aws:cdk:enable-path-metadata': true,
  'aws:cdk:enable-asset-metadata': true,
  'aws:cdk:version-reporting': true,
  'aws:cdk:bundling-stacks': [ '*' ]
}
outdir: cdk.out
env: {
  CDK_DEFAULT_REGION: 'us-west-2',
  CDK_DEFAULT_ACCOUNT: '123456789012',
  CDK_CONTEXT_JSON: '{"@aws-cdk/aws-apigateway:usagePlanKeyOrderInsensitiveId":"true","@aws-cdk/core:enableStackNameDuplicates":"true","aws-cdk:enableDiffNoFail":"true","@aws-cdk/core:stackRelativeExports":"true","@aws-cdk/aws-ecr-assets:dockerIgnoreSupport":"true","@aws-cdk/aws-secretsmanager:parseOwnedSecretName":"true","@aws-cdk/aws-kms:defaultKeyPolicies":"true","@aws-cdk/aws-s3:grantWriteWithoutAcl":"true","@aws-cdk/aws-ecs-patterns:removeDefaultDesiredCount":"true","@aws-cdk/aws-rds:lowercaseDbIdentifier":"true","@aws-cdk/aws-efs:defaultEncryptionAtRest":"true","@aws-cdk/core:newStyleStackSynthesis":"true","aws:cdk:enable-path-metadata":true,"aws:cdk:enable-asset-metadata":true,"aws:cdk:version-reporting":true,"aws:cdk:bundling-stacks":["*"]}',
  CDK_OUTDIR: 'cdk.out',
  CDK_CLI_ASM_VERSION: '14.0.0',
  CDK_CLI_VERSION: '1.126.0'
}
Cannot use import statement outside a module
Subprocess exited with error 1
Error: Subprocess exited with error 1
    at ChildProcess.<anonymous> (/Users/tayneely/.nvm/versions/node/v14.18.0/lib/node_modules/cdk/node_modules/aws-cdk/lib/api/cxapp/exec.ts:122:23)
    at ChildProcess.emit (events.js:400:28)
    at ChildProcess.emit (domain.js:475:12)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:282:12)

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